GM Global Technology Operations LLC patent applications on May 8th, 2025
Patent Applications by GM Global Technology Operations LLC on May 8th, 2025
GM Global Technology Operations LLC: 40 patent applications
GM Global Technology Operations LLC has applied for patents in the areas of H01M4/02 (6), H01M4/38 (5), H01M10/0568 (4), H01M10/613 (4), B60L15/00 (3) H01M10/4235 (2), B60L15/007 (2), A61B5/6893 (1), H01M4/131 (1), H01M4/364 (1)
With keywords such as: vehicle, anode, power, cathode, layer, active, current, cell, battery, and collector in patent application abstracts.
Patent Applications by GM Global Technology Operations LLC
Inventor(s): Ali Rafiei of Newmarket CA for gm global technology operations llc, Chin-Hsu Lin of Troy MI US for gm global technology operations llc, Alaa M. Khamis of Courtice CA for gm global technology operations llc, Alok Warey of Novi MI US for gm global technology operations llc
IPC Code(s): A61B5/00, A61B5/01, A61B5/05, B60R21/0132, B60R21/015, E05B77/02, E05F15/72, G06V10/80, G06V20/59, G10L25/51
CPC Code(s): A61B5/6893
Abstract: a severity estimation system for one or more occupants located in an interior cabin of a vehicle involved in a vehicle-related incident includes one or more microphones located within the interior cabin of the vehicle that capture audio-based inputs, an occupant monitoring system (oms) that collects scene recognition inputs indicative of a status of the occupants, a restraint system that collects a plurality of restraint-based inputs indicative of one or more restraint-based mechanisms associated with an occupant of the vehicle being activated during the vehicle-related incident, a motion-based indicator system that collect the plurality of motion-based inputs indicative of the motion of the vehicle during the vehicle-related incident, and one or more controllers. the one or more controllers fuse together the audio-based indicator, the oms indicator, the restraint-based indicator, and the motion-based indicator to determine an incident severity indicator corresponding to the one or more occupants.
Inventor(s): Henry ZHAN of Shanghai CN for gm global technology operations llc, Congjie WANG of Shanghai CN for gm global technology operations llc, Yiwu XU of Shanghai CN for gm global technology operations llc, Collin BABIJ of Sterling Heights MI US for gm global technology operations llc
IPC Code(s): B22D21/00, C22C23/02
CPC Code(s): B22D21/007
Abstract: magnesium alloys are disclosed for diecasting with reduced defects comprising aluminum in an amount greater than or equal to about 10 wt % and less than and equal to about 15 wt %; zinc in an amount greater than 0 and less than or equal to about 0.5 wt %; silicon in an amount greater than 0 and less than or equal to about 1.5 wt %; and the balance being magnesium and unavoidable impurities. magnesium parts diecast from these magnesium alloys are also disclosed.
Inventor(s): Yilun Luo of Ann Arbor MI US for gm global technology operations llc, Junghoon Kim of Springboro OH US for gm global technology operations llc, Khorshed Mohammed Alam of Canton MI US for gm global technology operations llc, Chandra S. Namuduri of Troy MI US for gm global technology operations llc, Rashmi Prasad of Troy MI US for gm global technology operations llc
IPC Code(s): B60L15/00, H02M1/00, H02M7/487, H02M7/49
CPC Code(s): B60L15/007
Abstract: a multi-phase power inverter for an electric propulsion system includes a plurality of x-type multilevel power converters arranged between a high-voltage direct current (dc) power supply and an electric machine. each of the plurality of x-type multilevel power converters is a solid-state integrated circuit (ic) that includes a positive dc power bus, a negative dc power bus, a neutral bus, and a plurality of semiconductor switches disposed in a stacked arrangement. the plurality of semiconductor switches is interconnected via the positive dc power bus, the negative dc power bus, and the neutral bus.
Inventor(s): Yilun Luo of Ann Arbor MI US for gm global technology operations llc, Junghoon Kim of Springboro OH US for gm global technology operations llc, Khorshed Mohammed Alam of Canton MI US for gm global technology operations llc, Chandra S. Namuduri of Troy MI US for gm global technology operations llc, Rashmi Prasad of Troy MI US for gm global technology operations llc
IPC Code(s): B60L15/00, H02M1/088, H02M1/12, H02M7/483
CPC Code(s): B60L15/007
Abstract: a multi-phase power inverter for an electric propulsion system includes a plurality of t-type multilevel power converters arranged between a high-voltage direct current (dc) power supply and an electric machine. each of the plurality of t-type multilevel power converters is a solid-state integrated circuit that includes a positive dc power bus, a negative dc power bus, a neutral bus, and a plurality of semiconductor switches disposed in a stacked arrangement. the plurality of semiconductor switches is interconnected via the positive dc power bus, the negative dc power bus, and the neutral bus.
Inventor(s): Anno Yoo of Rochester MI US for gm global technology operations llc, Sangyeop Kwak of Orion Charter Township MI US for gm global technology operations llc, Nikhil Deshpande of Auburn Hills MI US for gm global technology operations llc, Brent Steven Gagas of Pleasant Ridge MI US for gm global technology operations llc, Vinod Chowdary Peddi of Shelby Township MI US for gm global technology operations llc
IPC Code(s): B60L15/20, H02P27/06
CPC Code(s): B60L15/20
Abstract: a system performs a method for operating a vehicle. a cable is attached between an inverter of the vehicle and a motor of the vehicle, the cable having a resistance. the inverter is operated using a first direct current (dc) reference voltage. a processor obtains a current from the motor, calculates a power factor at the inverter, obtains a resistance of the cable, determines a voltage drop between the inverter and the motor from the current, the resistance and the power factor due to a presence of the cable, determines a dc compensation voltage from the voltage drop, and adjusts the first dc reference voltage to a second dc reference voltage using the dc compensation voltage.
Inventor(s): Joel S. Hooton of Chesterfield MI US for gm global technology operations llc, Joshua L. Solomon of Berkley MI US for gm global technology operations llc, Hui-Ping Wang of Troy MI US for gm global technology operations llc, Lu Huang of Troy MI US for gm global technology operations llc, Xiaoling Chen of Sterling Heights MI US for gm global technology operations llc
IPC Code(s): B60L50/64, H01M10/613, H01M10/625, H01M10/6556
CPC Code(s): B60L50/64
Abstract: a multifunctional unified structure thermal plate and system for supporting a plurality of battery cells included as part of a high voltage battery pack. the plate may include a bottom plate and a plurality of crossbeams configured for supporting the battery cells, with the bottom plate and the crossbeams together being from as a monolithic, one-piece structure.
Inventor(s): Mohamed Kamel of Birmingham MI US for gm global technology operations llc, Anthony J. Corsetti of Rochester Hills MI US for gm global technology operations llc, Robert J. Heydel of Clawson MI US for gm global technology operations llc, Jonathan O. Conell of Sterling Heights MI US for gm global technology operations llc, Robert A.. DeStefano of Macomb MI US for gm global technology operations llc
IPC Code(s): B60L58/20, B60L1/00
CPC Code(s): B60L58/20
Abstract: an electrical power system. the electrical power system may include a rechargeable energy storage system (ress) having a high voltage (hv) interface configured for exchanging hv power with one or more loads and a low voltage (lv) interface configured for exchanging lv power with a plurality of electrical grids a redundant distribution system having a plurality of busbars configured for redundantly connecting the electrical grids with the lv interface such that each of the electrical grids remains operable and connected to the lv interface during a disconnect event.
Inventor(s): Chin-Hsu Lin of Troy MI US for gm global technology operations llc, Ashish Nayak of Bhopal IN for gm global technology operations llc
IPC Code(s): B60N2/427
CPC Code(s): B60N2/42763
Abstract: a seat for a vehicle includes a frame defining opposing side members and an anti-submarining belt. the anti-submarining belt defines a first end portion, a second end portion, a stowed position, and a deployed position. the first end portion of the anti-submarining belt is fixedly attached to one of the opposing side members of the frame. the anti-submarining belt includes slack when in the stowed position and is pulled taut into the deployed position. the seat includes a seat cushion defining a compressed state and an uncompressed state. the seat cushion rests against anti-submarining belt and is in the uncompressed state when the anti-submarining belt is in the stowed position and is compressed into the compressed state by the anti-submarining belt as the anti-submarining belt is pulled taut into the deployed position. the seat includes a pretensioner connected to the second end portion of the anti-submarining belt.
Inventor(s): Chuan Li of Troy MI US for gm global technology operations llc, Esther Anderson of Canton MI US for gm global technology operations llc, Jinzhu Chen of Troy MI US for gm global technology operations llc, Jace C. Stokes of Highland MI US for gm global technology operations llc, Fan Bai of Ann Arbor MI US for gm global technology operations llc, Lakshmi V. Thanayankizil of Troy MI US for gm global technology operations llc, Paul E. Krajewski of Warren MI US for gm global technology operations llc
IPC Code(s): B60R25/102, B60R25/30, B60R25/31, B60R25/40, G07C5/00
CPC Code(s): B60R25/102
Abstract: a system integrating vehicle sensors with remote system sensors includes a vehicle having a controller communicating with a vehicle sensor generating data associated with a vehicle threat alert. a vehicle communication device communicating with the vehicle controller and transmitting vehicle sensor data. a remote system including a controller communicating with a remote sensor generating data associated with a remote threat alert. a communication hub communicating with the remote controller and the vehicle communication device. the vehicle communicating with the remote system through the communication hub, sharing vehicle threat alerts with the remote system, receiving and reviewing remote threat alerts from the remote system and modifying an operational mode of the vehicle sensor based on remote threat alerts. the remote network controller reviewing received vehicle threat alerts and modifying a detection mode of the remote system based on the received vehicle threat alerts.
Inventor(s): Russell A. Patenaude of Macomb Township MI US for gm global technology operations llc, Eric T. Hosey of Rochester Hills MI US for gm global technology operations llc, Matthew Edward Gilbert-Eyres of Rochester Hills MI US for gm global technology operations llc, Noah Stone of West Bloomfield MI US for gm global technology operations llc, Craig Thomas Douglas of Pflugerville TX US for gm global technology operations llc
IPC Code(s): B60R25/20, B60R25/30
CPC Code(s): B60R25/2063
Abstract: a vehicle includes ignition controls operable between an active state and an inactive state and a storage compartment operable between a locked state and an unlocked state. an electronic control unit (ecu) is configured to detect one of the active state and the inactive state of the ignition controls and includes data processing hardware and memory hardware that stores a security monitoring system. the security monitoring system includes an alarm and a security monitoring application that is configured to execute a delay mode including a tiered proactive measure. the delay mode is configured to delay translation of the storage compartment from the locked state to the unlocked state in response to a security event.
Inventor(s): Kothamasi Sumithra RAJU of Bengaluru IN for gm global technology operations llc, Yuchuan Liu of Troy MI US for gm global technology operations llc, Julien P. Mourou of Bloomfield Hills MI US for gm global technology operations llc, Zhe Li of Rochester MI US for gm global technology operations llc
IPC Code(s): B60S1/56, B60S1/54
CPC Code(s): B60S1/56
Abstract: a vehicle camera lens cleaning system includes a camera configured to be mounted to a vehicle and including a lens; an ultrasonic cleaning system adapted to vibrate the lens; a source of pressurized air; an air flow passage connected to the source of pressurize air; an annular duct connected to the air flow passage and surrounding the lens, the annular duct having a non-uniform cross section taken in a radial direction from a center of the lens; a plurality of nozzles extending from the annular duct and pointed at the lens; and a controller configured to supply pressurized air from the source of pressurized air to the plurality of nozzles simultaneous with operating the ultrasonic cleaning system.
Inventor(s): Vincent Wei of Brechin CA for gm global technology operations llc, Kun Zhao of Markham CA for gm global technology operations llc
IPC Code(s): B60W30/18, B60W50/14, B62D15/02
CPC Code(s): B60W30/18036
Abstract: methods and apparatus are provided for performing an assisted driving trailer reversing operation including a user interface configured to generate an initiation signal in response to a user input, a processor configured to generate a control signal in response to the initiation signal indicative of an inverse steering ratio, a steering angle sensor to detect a steering direction and a steering angle from a center steering position, a steering controller configured to receive the steering angle and the steering direction from the steering angle sensor, to invert the steering angle to generate an inverted steering angle such that the inverted steering angle has a same angular magnitude as the steering angle and an opposite direction than the steering direction, and a vehicle control system for controlling a movement of a vehicle in response to the inverted steering angle.
Inventor(s): Peter Martucci of Commerce Township MI US for gm global technology operations llc
IPC Code(s): B62D35/02
CPC Code(s): B62D35/02
Abstract: an aerodynamic system for a vehicle that includes a structure. the structure includes a body that defines an underbody. the vehicle includes an assembly that moves relative to the body. a panel system is coupled with the underbody and includes an aerodynamic panel defining an opening and a reactive panel that closes the opening. the aerodynamic panel is coupled with the body at the underbody. the reactive panel moves in response to contact by the assembly and returns to close the opening when released by the assembly.
Inventor(s): John Miller of Howell MI US for gm global technology operations llc, Shawn H. Swales of Canton MI US for gm global technology operations llc, Edward L. Kaiser of Orion MI US for gm global technology operations llc, Travis M. Thompson of Lake Orion MI US for gm global technology operations llc
IPC Code(s): F16C3/02, B60K1/00, B60K17/22, F16D1/08
CPC Code(s): F16C3/02
Abstract: a rotor shaft system for a vehicle includes a rotor shaft having a first shaft end opposite a second shaft end. the rotor shaft has a first segment and a second segment defined between the first shaft end and the second shaft end. the rotor shaft system includes a shaft gear coupled to the rotor shaft between the first shaft end and the first segment, and a shaft sleeve coupled to the first segment so as to surround a portion of the shaft gear. the rotor shaft system includes a lubrication system defined at least partially through the rotor shaft and the shaft sleeve. the lubrication system is to supply a fluid to at least a portion of the rotor shaft and the shaft sleeve.
20250146534. CRANKSHAFT NOSE END DESIGN_simplified_abstract_(gm global technology operations llc)
Inventor(s): Suman Bargav R of Bengaluru IN for gm global technology operations llc, Durga Prasad Kandula of Bangalore IN for gm global technology operations llc, James D. Cremonesi of Rochester Hils MI US for gm global technology operations llc
IPC Code(s): F16C3/06
CPC Code(s): F16D1/06
Abstract: vehicles, crankshaft assemblies for vehicles, and methods for connecting vehicle accessory components and crankshafts are provided. a vehicle includes an engine configured to produce a linear motion output; a crankshaft configured to convert the linear motion output to rotational motion and terminating at an end with a tapered exterior surface extending to a central surface; an annular ring having a proximal ring surface, a distal ring surface, a ring opening, and a tapered inner surface, wherein the end of the crankshaft is received in the ring opening; and a fastener fixed to the crankshaft and holding the annular ring against the tapered exterior surface.
Inventor(s): Azeem Sarwar of Rochester Hills MI US for gm global technology operations llc, Md Mhafuzul Islam of Warren MI US for gm global technology operations llc
IPC Code(s): G01S17/931, G01B11/06, G01S7/481, G01V8/10
CPC Code(s): G01S17/931
Abstract: a system for determining vertical clearance for a vehicle may include a first ranging sensor operable to measure a distance relative to an object surrounding the vehicle. the system further may include a display operable to provide information to an occupant of the vehicle. the system further may include a controller in electrical communication with the first ranging sensor and the display. the controller is programmed to determine a minimum required vertical clearance based at least in part on a height of the vehicle. the controller is further programmed to determine a maximum available vertical clearance using the first ranging sensor. the controller is further programmed to provide a warning to the occupant of the vehicle using the display in response to determining that the maximum available vertical clearance is less than or equal to the minimum required vertical clearance.
Inventor(s): Brian Farrell of Troy MI US for gm global technology operations llc, John Jen of Carmel IN US for gm global technology operations llc, J. David Rosa of Clarkston MI US for gm global technology operations llc
IPC Code(s): G06F21/57, G06F8/65
CPC Code(s): G06F21/572
Abstract: a system may include data processing hardware and memory hardware in communication with the data processing hardware. the memory hardware may store instructions that when executed on the data processing hardware cause the data processing hardware to perform operations. the operations include requesting, via a boot manager of a host module, a hardware security module (hsm) to verify an application software of the host module and configuring, via the verified application software, a memory protection unit (mpu) to at least one of no execute and no write for at least one area of a memory of the host module. the operations further include executing the application software with the hsm enabled.
Inventor(s): Robert Alan Dziurda of Waterford MI US for gm global technology operations llc, Joseph F. Szczerba of Grand Blanc MI US for gm global technology operations llc, Christopher J. Kavanagh of Washington Township MI US for gm global technology operations llc, Thomas J. Kraemer of Macomb MI US for gm global technology operations llc, Roy J. Mathieu of Rochester Hills MI US for gm global technology operations llc, Jennifer A. Hullinger of Detroit MI US for gm global technology operations llc, Tracey A. Wilt of Washington Twp. MI US for gm global technology operations llc, Anthony A. Bosco of Macomb Twp. MI US for gm global technology operations llc, Maureen Elizabeth August of Gross Pointe Woods MI US for gm global technology operations llc
IPC Code(s): G06F30/20, G06F30/15
CPC Code(s): G06F30/20
Abstract: a method for analyzing a vehicle user entry and egress into a vehicle includes receiving vehicle user data and receiving vehicle data. the vehicle data includes vehicle dimensions. the method further includes determining a three-dimensional path to enter and egress the vehicle using the vehicle user data and the vehicle data, determining a user satisfaction score of the three-dimensional path to enter and egress the vehicle, comparing the user satisfaction score with a predetermined score threshold to determine whether the user satisfaction score is greater than the predetermined score threshold; and virtually updating the vehicle dimensions until the user satisfaction score is greater than the predetermined score threshold in response to determining that the user satisfaction score is not greater than the predetermined score threshold.
Inventor(s): Binbin Li of Columbus OH US for gm global technology operations llc, Xinyu Du of Oakland Township MI US for gm global technology operations llc, Yao Hu of Sterling Heights MI US for gm global technology operations llc, Hao Yu of Troy MI US for gm global technology operations llc, Wende Zhang of Birmingham MI US for gm global technology operations llc
IPC Code(s): G06T7/73, G06V10/44, G06V10/762, G06V20/56
CPC Code(s): G06T7/74
Abstract: a method of performing a camera to ground alignment for a camera system on a vehicle. the method includes determining if enabling conditions have occurred and estimating a location of a vanishing point in a source image. ground lines are selected based on a source image. a lane line detection is performed based on clustering of the ground lines to determine lane lines in the source image. at least one of pitch, yaw, or roll of the vehicle are estimated from the source image. a cost function based on estimates of pitch, yaw, and roll is minimized to obtain an optimal pitch value, an optimal yaw value, an optimal roll value, and lane lines from the source image. a sliding window-based refinement is performed on source images. alignment results are broadcast to a downstream application or it is determined if the camera system on the vehicle is misaligned.
Inventor(s): Matthew Edward Gilbert-Eyres of Rochester Hills MI US for gm global technology operations llc, Russell A. Patenaude of Macomb Township MI US for gm global technology operations llc, Eric T. Hosey of Rochester Hills MI US for gm global technology operations llc, Benjamin Tran of Royal Oak MI US for gm global technology operations llc
IPC Code(s): G07C5/00
CPC Code(s): G07C5/008
Abstract: a computer-implemented method that, when executed by data processing hardware, causes data processing hardware to perform operations comprising receiving a service request associated with a service request button of a vehicle, receiving one or more service button engagement scoring inputs each associated with a corresponding vehicle status, calculating a service request confidence score based on the one or more service button engagement scoring inputs, assigning a service request cancellation period based on the one or more service button engagement scoring inputs, determining whether a cancellation request is received within the service request cancellation period, and either cancelling the service request when the cancellation request is received within the service request cancellation period, or transmitting the service request to a service provider when the cancellation request is not received within the service request cancellation period.
Inventor(s): Alaa M. Khamis of Courtice CA for gm global technology operations llc, Ali Rafiei of Newmarket CA for gm global technology operations llc, Chin-Hsu Lin of Troy MI US for gm global technology operations llc, Alok Warey of Novi MI US for gm global technology operations llc
IPC Code(s): G07C5/02, E05B77/02, E05F15/72, G06V20/56, G06V20/59, G10L25/33, G10L25/51
CPC Code(s): G07C5/02
Abstract: an accident severity estimation system for estimating the severity of an accident for a vehicle includes one or more microphones that capture a plurality of audio-based inputs indicative of verbal and non-verbal sounds emitted by one or more occupants of the vehicle. the accident severity estimation system also includes a vision system that captures a plurality of vision-based inputs representing image data indicative of the occupants, a motion-based input system that collects a plurality of motion-based inputs indicative of the motion of the vehicle during the accident, a thermal incident system that collects a plurality of thermal inputs indicative of thermal events within the vehicle, a propulsion system that provides a status-based input of the propulsion system of the vehicle, and one or more controllers.
Inventor(s): Ming WANG of Sterling Heights MI US for gm global technology operations llc, Mary GILLIAM of Farmington Hills MI US for gm global technology operations llc, Shaomao XU of Sterling Heights MI US for gm global technology operations llc, Diptak BHATTACHARYA of Royal Oak MI US for gm global technology operations llc, Xiaowei YU of Farmington Hills MI US for gm global technology operations llc
IPC Code(s): H01M4/04, C23C2/00, C23C2/02, C23C2/04, C23C24/10, H01M4/02, H01M4/1395, H01M4/38, H01M4/66
CPC Code(s): H01M4/0404
Abstract: a method for manufacturing an anode electrode includes supplying an anode current collector; coating a first portion of the anode current collector with a precursor coating; not coating a second portion of the anode current collector with the precursor coating; treating the anode current collector with plasma to at least one of decrease lithium wettability of the first portion and to increase lithium wettability of the second portion; and coating the anode current collector with lithium metal to form an anode active material layer.
Inventor(s): Chuanlong WANG of Troy MI US for gm global technology operations llc, Xiaowei YU of Farmington Hills MI US for gm global technology operations llc, Ming WANG of Sterling Heights MI US for gm global technology operations llc, Xiaosong HUANG of Novi MI US for gm global technology operations llc, Ryan Curtis SEKOL of Grosse Pointe Woods MI US for gm global technology operations llc
IPC Code(s): H01M4/04, H01M4/02
CPC Code(s): H01M4/0435
Abstract: a method for manufacturing patterned electrodes includes extruding a mixture including an active material, a conductive additive, a binder, and a solvent from an extruder to form an active material layer; laminating the active material layer and a current collector; and patterning the active material layer using a patterned roller including a plurality of projections that form a plurality of features extending into the active material layer.
Inventor(s): Qili SU of Shanghai CN for gm global technology operations llc, Zhe LI of Shanghai CN for gm global technology operations llc, Haijing LIU of Shanghai CN for gm global technology operations llc
IPC Code(s): H01M4/131, H01M4/02
CPC Code(s): H01M4/131
Abstract: a solid-state battery cell includes a anode electrodes including an anode active material layer arranged on an anode current collector, c cathode electrodes including a cathode active material layer arranged on a cathode current collector. the cathode active material layer includes cathode active material comprising particles including an outer layer of a material selected from a group consisting of linbo, lizro, lipo, and combinations thereof. a solid electrolyte has a dsize in a range from 4 �m to 12 �m. s separators are arranged between the a anode electrodes and the c cathode electrodes, where a, c, and s are integers greater than one.
Inventor(s): Zhe LI of Shanghai CN for gm global technology operations llc, Qili Su of Shanghai CN for gm global technology operations llc, Yong Lu of Shanghai CN for gm global technology operations llc, Meiyuan Wu of Shanghai CN for gm global technology operations llc, Haijing Liu of Shanghai CN for gm global technology operations llc
IPC Code(s): H01M4/36, H01M4/02, H01M4/04, H01M4/1395, H01M4/38, H01M10/0562
CPC Code(s): H01M4/364
Abstract: a battery cell includes c cathode electrodes including a cathode active material layer arranged on a cathode current collector, a anode electrodes including an anode active material layer arranged on an anode current collector, and s separators, where a, c and s are integers greater than one. the anode active material layer comprises silicon and a metal that are co-sputtered. the metal is different than the silicon.
Inventor(s): Xin ZHANG of Shanghai CN for gm global technology operations llc, Dewen Kong of Shanghai CN for gm global technology operations llc, Meiyuan Wu of Shanghai CN for gm global technology operations llc, Haijing Liu of Shanghai CN for gm global technology operations llc
IPC Code(s): H01M4/58, H01M4/36, H01M4/38, H01M4/62, H01M4/66, H01M4/74, H01M10/0525, H01M10/0567, H01M10/0568, H01M10/0569, H01M50/417, H01M50/429, H01M50/451, H01M50/491
CPC Code(s): H01M4/5825
Abstract: a battery cell includes a anode electrodes including an anode active material layer comprising lithium metal active material and an anode current collector, c cathode electrodes including a cathode active material layer comprising lifepo(lfp) active material and a cathode current collector, and s separators arranged between the a anode electrodes and the c cathode electrodes, where a, c, and s are integers greater than one. the s separators comprise a substrate including a coating layer.
Inventor(s): Yong LU of Shanghai CN for gm global technology operations llc, Zhe Li of Shanghai CN for gm global technology operations llc, Qili Su of Shanghai CN for gm global technology operations llc, Haijing LIU of Shanghai CN for gm global technology operations llc
IPC Code(s): H01M4/62, H01M4/36, H01M10/0562
CPC Code(s): H01M4/623
Abstract: a battery cell includes a anode electrodes each including an anode active material layer including anode active material and an anode current collector, c cathode electrodes include a cathode active material layer including cathode active material and a cathode current collector, and s separators, where a, c, and s are integers greater than one. at least one of the anode active material layer of the a anode electrodes, the cathode active material layer of the c cathode electrodes, and the s separators includes a thermoplastic binder.
Inventor(s): Kevin Dongjun Kim of Troy MI US for gm global technology operations llc, James Chung of Troy MI US for gm global technology operations llc, Young Nam Kim of Troy MI US for gm global technology operations llc, Virendra Kumar Dewangan of Maharashtra IN for gm global technology operations llc, Varsha Tadwalkar of Maharashtra IN for gm global technology operations llc, Christopher Schlaupitz of White Lake MI US for gm global technology operations llc
IPC Code(s): H01M10/04, H01M50/536, H01M50/54
CPC Code(s): H01M10/0404
Abstract: a system for consolidating tabs of a battery cell includes a tab guide configured to receive a plurality of tabs extending from electrode layers of a cell stack, the cell stack configured to be disposed in a housing to form the battery cell, the tab guide including opposing guide components configured to be positioned between the cell stack and a weld plate, the tab guide configured to receive the plurality of tabs between the opposing guide components. the system also includes an actuator configured to be operated to move one or more of the opposing guide components to deform a length of one or more tabs between the cell stack and the weld plate.
Inventor(s): Yong LU of Shanghai CN for gm global technology operations llc, Zhe Li of Shanghai CN for gm global technology operations llc, Qili Su of Shanghai CN for gm global technology operations llc, Haijing Liu of Shanghai CN for gm global technology operations llc
IPC Code(s): H01M10/0565, H01M4/02, H01M10/0567, H01M10/0568, H01M10/0569, H01M50/411
CPC Code(s): H01M10/0565
Abstract: a battery cell includes a anode electrodes, c cathode electrodes, and s separators arranged between the a anode electrodes and the c cathode electrodes, where a, c, and s are integers greater than one. the s separators include a composite gel membrane that is cured in-situ using ultraviolet light and includes a polymer, a solid electrolyte comprising greater than 20 wt % of the composite gel membrane, an initiator, and a liquid electrolyte.
Inventor(s): Xin ZHANG of Shanghai CN for gm global technology operations llc, Zhe LI of Shanghai CN for gm global technology operations llc, Haijing LIU of Shanghai CN for gm global technology operations llc
IPC Code(s): H01M10/42, H01M4/02, H01M4/134, H01M4/38, H01M10/052, H01M10/0568, H01M50/46
CPC Code(s): H01M10/4235
Abstract: a battery that cycles lithium ions includes a lithium metal negative electrode, a positive electrode, a porous separator disposed between opposing facing surfaces of the lithium metal negative electrode and the positive electrode, and a composite interlayer disposed on the facing surface of the lithium metal negative electrode, between the lithium metal negative electrode and the porous separator. the composite interlayer includes a polymer matrix phase and a lithium salt distributed phase embedded in and distributed throughout the polymer matrix phase. the lithium salt distributed phase constitutes, by weight, greater than or equal to about 10% and less than or equal to about 50% of the composite interlayer.
Inventor(s): Jeffrey David CAIN of Royal Oak MI US for gm global technology operations llc, Yifan ZHAO of Troy MI US for gm global technology operations llc, Yun-Yu LAI of Clawson MI US for gm global technology operations llc, Thomas A. YERSAK of Royal Oak MI US for gm global technology operations llc, Zhe LI of Shanghai CN for gm global technology operations llc, Fang DAI of Troy MI US for gm global technology operations llc
IPC Code(s): H01M10/42, H01M4/38, H01M4/58, H01M10/052, H01M10/0562, H01M10/0568, H01M10/058, H01M50/383
CPC Code(s): H01M10/4235
Abstract: a battery cell includes an enclosure and a battery cell stack including c cathode electrodes each comprising a cathode active material layer arranged on a cathode current collector, s separators, and a anode electrodes each comprising an anode active material layer arranged on an anode current collector, wherein a, c, and s are integers greater than one. the anode active material layer includes an anode active material selected from a group consisting of silicon, silicon oxide, silicon alloy, and tin, a solid-state electrolyte comprising an oxysulfide, a conductive additive, and a binder. an electrolyte includes a solvate ionic liquid.
Inventor(s): Andrew C. Baughman of Northville MI US for gm global technology operations llc, Shubham Gupta of Ann Arbor MI US for gm global technology operations llc, Rajeev M. Ramanan of Northville MI US for gm global technology operations llc, Xiumei Guo of Troy MI US for gm global technology operations llc
IPC Code(s): H01M10/42
CPC Code(s): H01M10/4257
Abstract: a power distribution system includes a battery having multiple power cell groups. each power cell group includes at least two power cells and a state of charge monitoring sensor. a controller is connected to each state of charge monitoring sensor. the controller is configured to run a process causing the processor to detect a slow self-discharge in at least one power cell group by monitoring a cell balancing metric for each power cell group and generating a set of accumulated balance metric values. the set of accumulated balancing metric values includes an accumulated balancing metric value corresponding to each power cell group in the plurality of power cell groups. the process identifies a reference value and a difference between the reference value and the cell balancing metric of each power cell with a cell balancing metric lower than the reference value and comparing the difference to a threshold.
Inventor(s): Andrew Geoffrey Balding of Wixom MI US for gm global technology operations llc, Charles W. Toohy of Waterford MI US for gm global technology operations llc, William F. Spruit of Clarkston MI US for gm global technology operations llc
IPC Code(s): H01M10/6557, H01M10/613, H01M10/647
CPC Code(s): H01M10/6557
Abstract: a battery assembly of a vehicle includes a first cell layer including a first plurality of battery cells, a second cell layer including a second plurality of battery cells, and a cold plate positioned between the first cell layer and the second cell layer. the cold plate includes a plurality of coolant pathways configured to flow a flow of coolant therethrough. the first plurality of battery cells contact a first side of the cold plate and the second plurality of battery cells contact a second side of the cold plate opposite the first side to cool the first plurality of battery cells and the second plurality of battery cells via the flow of coolant through the cold plate.
Inventor(s): Tejas R. Bhavsar of Troy MI US for gm global technology operations llc, Mahesh A. Mummigatti of Bangalore IN for gm global technology operations llc
IPC Code(s): H01M10/6568, H01M10/613, H01M10/625, H01M10/643, H01M10/653, H01M10/654, H01M50/152, H01M50/213
CPC Code(s): H01M10/6568
Abstract: embodiments include an electric vehicle having a battery pack having a plurality of cylindrical battery cells. each of the plurality of cylindrical battery cells includes an external housing, a jelly roll disposed within the external housing, an extended end cap affixed to one end of the external housing, the extended end cap including a central portion that extends a distance that is at least half of a height of the jelly roll into a central aperture of the jelly roll, and an isolation layer disposed between the jelly roll and the central portion and between the jelly roll and the external housing.
Inventor(s): Nader E. ABEDRABBO of Rochester Hills MI US for gm global technology operations llc, James R. SALVADOR of East Lansing MI US for gm global technology operations llc, Louis G. HECTOR, JR. of Shelby Township MI US for gm global technology operations llc, Erik Brandon GOLM of Sterling Heights MI US for gm global technology operations llc
IPC Code(s): H01M10/6569, H01M10/613, H01M50/209, H01M50/317
CPC Code(s): H01M10/6569
Abstract: a system configured to suppress thermal runaway in a battery cell. the system includes a battery cell stack including: c cathode electrodes each including a cathode current collector, a cathode active layer arranged on the cathode current collector, and an external connector extending from the cathode current collector; a anode electrodes each including an anode current collector, an anode active layer arranged on the anode current collector, and an external connector extending from the anode current collector; and s separators. c, a, and s are integers greater than one. a chamber is configured to store a suppressant that is configured to suppress thermal runaway. a valve is configured to open in response to a thermal runaway condition at the battery cell stack to release the suppressant from the chamber to the battery cell stack.
Inventor(s): Masoud MOHAMMADPOUR of Novi MI US for gm global technology operations llc, Junjie MA of Novi MI US for gm global technology operations llc, Hui-ping WANG of Troy MI US for gm global technology operations llc, Teresa Jean RINKER of Royal Oak MI US for gm global technology operations llc, Vincent Edward HERRMAN of Clawson MI US for gm global technology operations llc
IPC Code(s): H01M50/566, H01M10/04, H01M50/533
CPC Code(s): H01M50/566
Abstract: a battery cell including a stack and a first internal terminal. the stack includes: c cathode electrodes each including a cathode current collector, a cathode active layer arranged on the cathode current collector, and an external connector extending from the cathode current collector; a anode electrodes each including an anode current collector, an anode active layer arranged on the anode current collector, and an external connector extending from the anode current collector; and s separators, where c, a, and s are integers greater than one. each one of the external connectors, of one of the c cathode electrodes and the a anode electrodes, includes a first tab and a second tab extending farther than the first tab, the second tabs are folded onto the first tabs, and the first internal terminal is laser welded onto the second tabs.
Inventor(s): Cheng Gong of Troy MI US for gm global technology operations llc, Edward L. Kaiser of Orion MI US for gm global technology operations llc, Cheongun Han of Novi MI US for gm global technology operations llc
IPC Code(s): H02K1/276, H02K7/00
CPC Code(s): H02K1/276
Abstract: a rotor assembly for an electric machine includes first laminates, second laminates; and a rotor shaft, wherein the first laminates and the second laminates are arranged in a stack on the rotor shaft. each of the first laminates includes a first inner portion and a plurality of first outer portions, wherein the first inner portion and the first outer portions define a plurality of first cavities, wherein the plurality of first outer portions are secured to the first inner portions via a plurality of bridges. each of the second laminates includes a second inner portion and a plurality of second outer portions. the second inner portion and the plurality of second outer portions define a plurality of second cavities, wherein the second outer portions are secured to the second inner portions via a plurality of second webs and are absent a bridge.
Inventor(s): Qigui Wang of Rochester Hills MI US for gm global technology operations llc, Yi Liu of Troy MI US for gm global technology operations llc, Kestutis A. Sonta of Troy MI US for gm global technology operations llc, Vang N. Kue of Macomb MI US for gm global technology operations llc, Akshay Trivedi of Novi MI US for gm global technology operations llc
IPC Code(s): H02K3/50, B32B15/04, B32B15/18, B32B15/20, B32B37/06, B32B37/10, H02K15/00
CPC Code(s): H02K3/50
Abstract: a composite conductor for a vehicle, a propulsion system for a vehicle, and a method of forming a composite busbar for a vehicle. the composite conductor includes a surface, and a first copper tape laminated to the surface. the composite conductor is electrically conductive exhibiting an electrical conductivity of 1.0�10{circumflex over (7)} siemens per meter (s/m) or greater. the first copper tape includes a layer of carbon nanotubes sandwiched between a first copper layer and a second copper layer. the composite busbar may be connected to a plurality of windings in the stator of an electric motor.
Inventor(s): Yilun Luo of Ann Arbor MI US for gm global technology operations llc, Junghoon Kim of Springboro OH US for gm global technology operations llc, Khorshed Mohammed Alam of Canton MI US for gm global technology operations llc, Chandra S. Namuduri of Troy MI US for gm global technology operations llc, Rashmi Prasad of Troy MI US for gm global technology operations llc
IPC Code(s): H02P27/06, B60L15/00, H05K7/20
CPC Code(s): H02P27/06
Abstract: a multi-phase power inverter for an electric propulsion system includes a plurality of h-type multilevel power converters arranged between a high-voltage dc power supply and an electric machine. each of the plurality of h-type multilevel power converters is a solid-state integrated circuit (ic) that includes a positive dc power bus, a negative dc power bus, a neutral bus, and a plurality of semiconductor switches disposed in a stacked arrangement. the plurality of semiconductor switches is interconnected via the positive dc power bus, the negative dc power bus, and the neutral bus.
Inventor(s): Wenyuan Qi of Shanghai CN for gm global technology operations llc
IPC Code(s): H04W16/22, H04W16/18
CPC Code(s): H04W16/22
Abstract: a method for providing a computer simulation of wireless infrastructure may include initializing a simulated environment. the simulated environment includes a plurality of environment parameters. the method further may include adding a plurality of simulated wireless nodes to the simulated environment to form a simulated wireless network, based on a plurality of node parameters. the method further may include evaluating at least one performance metric of the simulated wireless network. the method further may include adjusting at least one of: the plurality of node parameters and the plurality of environment parameters based at least in part on the at least one performance metric of the simulated wireless network. the method further may include repeating the evaluating and adjusting steps until an optimal solution for the plurality of node parameters is identified based at least in part on the at least one performance metric.
GM Global Technology Operations LLC patent applications on May 8th, 2025
- GM Global Technology Operations LLC
- A61B5/00
- A61B5/01
- A61B5/05
- B60R21/0132
- B60R21/015
- E05B77/02
- E05F15/72
- G06V10/80
- G06V20/59
- G10L25/51
- CPC A61B5/6893
- Gm global technology operations llc
- B22D21/00
- C22C23/02
- CPC B22D21/007
- B60L15/00
- H02M1/00
- H02M7/487
- H02M7/49
- CPC B60L15/007
- H02M1/088
- H02M1/12
- H02M7/483
- B60L15/20
- H02P27/06
- CPC B60L15/20
- B60L50/64
- H01M10/613
- H01M10/625
- H01M10/6556
- CPC B60L50/64
- B60L58/20
- B60L1/00
- CPC B60L58/20
- B60N2/427
- CPC B60N2/42763
- B60R25/102
- B60R25/30
- B60R25/31
- B60R25/40
- G07C5/00
- CPC B60R25/102
- B60R25/20
- CPC B60R25/2063
- B60S1/56
- B60S1/54
- CPC B60S1/56
- B60W30/18
- B60W50/14
- B62D15/02
- CPC B60W30/18036
- B62D35/02
- CPC B62D35/02
- F16C3/02
- B60K1/00
- B60K17/22
- F16D1/08
- CPC F16C3/02
- F16C3/06
- CPC F16D1/06
- G01S17/931
- G01B11/06
- G01S7/481
- G01V8/10
- CPC G01S17/931
- G06F21/57
- G06F8/65
- CPC G06F21/572
- G06F30/20
- G06F30/15
- CPC G06F30/20
- G06T7/73
- G06V10/44
- G06V10/762
- G06V20/56
- CPC G06T7/74
- CPC G07C5/008
- G07C5/02
- G10L25/33
- CPC G07C5/02
- H01M4/04
- C23C2/00
- C23C2/02
- C23C2/04
- C23C24/10
- H01M4/02
- H01M4/1395
- H01M4/38
- H01M4/66
- CPC H01M4/0404
- CPC H01M4/0435
- H01M4/131
- CPC H01M4/131
- H01M4/36
- H01M10/0562
- CPC H01M4/364
- H01M4/58
- H01M4/62
- H01M4/74
- H01M10/0525
- H01M10/0567
- H01M10/0568
- H01M10/0569
- H01M50/417
- H01M50/429
- H01M50/451
- H01M50/491
- CPC H01M4/5825
- CPC H01M4/623
- H01M10/04
- H01M50/536
- H01M50/54
- CPC H01M10/0404
- H01M10/0565
- H01M50/411
- CPC H01M10/0565
- H01M10/42
- H01M4/134
- H01M10/052
- H01M50/46
- CPC H01M10/4235
- H01M10/058
- H01M50/383
- CPC H01M10/4257
- H01M10/6557
- H01M10/647
- CPC H01M10/6557
- H01M10/6568
- H01M10/643
- H01M10/653
- H01M10/654
- H01M50/152
- H01M50/213
- CPC H01M10/6568
- H01M10/6569
- H01M50/209
- H01M50/317
- CPC H01M10/6569
- H01M50/566
- H01M50/533
- CPC H01M50/566
- H02K1/276
- H02K7/00
- CPC H02K1/276
- H02K3/50
- B32B15/04
- B32B15/18
- B32B15/20
- B32B37/06
- B32B37/10
- H02K15/00
- CPC H02K3/50
- H05K7/20
- CPC H02P27/06
- H04W16/22
- H04W16/18
- CPC H04W16/22
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