Mitsubishi Electric Corporation patent applications on April 25th, 2024
Patent Applications by Mitsubishi Electric Corporation on April 25th, 2024
Mitsubishi Electric Corporation: 34 patent applications
Mitsubishi Electric Corporation has applied for patents in the areas of H02K11/21 (4), F24F11/65 (4), H02M1/32 (3), G06V20/56 (2), G06V10/25 (2)
With keywords such as: information, device, control, unit, semiconductor, air, circuit, target, element, and heat in patent application abstracts.
Patent Applications by Mitsubishi Electric Corporation
Inventor(s): Masayuki SATO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): B66B5/00, B66B1/34, B66B1/46, G06F21/31
Abstract: a remote monitoring system includes a registration accepting part and a setting part. the registration accepting part accepts registration information. the registration information represents registration of a second user as a child user of a first user being registered in a user management table. a first table associates a browsable monitoring range with each user. when the registration accepting part accepts registration information, the setting part sets a monitoring range which can be browsed by the second user as a child user of the first user to a range not exceeding a browsable monitoring range which is associated with the first user in the user management table.
Inventor(s): Yoshinori NAKAJIMA of Tokyo (JP) for mitsubishi electric corporation, Hiroaki SAKAGUCHI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): F24F11/32, F24F5/00, F24F11/54, F24F11/61, H05B47/16
Abstract: an air-conditioning lighting control system includes air-conditioning control circuitry configured to control an air-conditioning apparatus on the basis of an air-conditioning map indicating an air-conditioning target space and the air-conditioning apparatus provided in the air-conditioning target space, lighting control circuitry configured to control a lighting device on the basis of a lighting map indicating an illuminating target space and the lighting device provided in the illuminating target space, centralized control circuitry configured to communicate with the air-conditioning control circuitry and the lighting control circuitry and make the air-conditioning apparatus and the lighting device work in conjunction with each other on the basis of linkage information, which is set in advance, and in which the air-conditioning apparatus and the lighting device are linked with each other, and detection circuitry configured to detect that there is a setting error in the air-conditioning map, the lighting map, or the linkage information.
20240133571.DEVICE CONTROL SYSTEM_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Makoto HIRANO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): F24F11/58, F24F11/52
Abstract: a device control system includes: a wireless device including a device to be controlled and external connector that is connected to the device to be controlled, transmits/receives information to/from the device to be controlled, and is wirelessly connected to a wireless lan router; a handheld operation terminal that includes a display unit for displaying information and operates the device to be controlled; and a wireless operation terminal that is a terminal different from the handheld operation terminal and operates the device to be controlled via the external connector. when the wireless device receives, from the handheld operation terminal, an information acquisition request for first information that is information necessary for connecting the wireless operation terminal to the external connector, the wireless device selectively transmits the first information to the handheld operation terminal, and the display unit displays the first information.
20240133573.AIR-CONDITIONING APPARATUS_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Kazuya HONDA of Tokyo (JP) for mitsubishi electric corporation, Naofumi TAKENAKA of Tokyo (JP) for mitsubishi electric corporation, Jumpei TAKAGI of Tokyo (JP) for mitsubishi electric corporation, Masafumi TOMITA of Tokyo (JP) for mitsubishi electric corporation, Mizuo SAKAI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): F24F11/65, F24F11/00
Abstract: an air-conditioning apparatus includes configured to, when a cooling operation mode is changed into one of multiple dehumidifying operation modes, select the one of the multiple dehumidifying operation modes on the basis of a value of a sensible heat ratio difference �shf that is a difference between a target sensible heat ratio acquired from an indoor temperature detected by an indoor temperature sensor, a target indoor temperature, and target indoor humidity and a theoretical minimum possible sensible heat ratio acquired from enthalpy of an indoor air, enthalpy of blown air from the indoor unit when relative humidity is 100%, and enthalpy of sensible heat.
Inventor(s): Harumi YAMAGUCHI of Tokyo (JP) for mitsubishi electric corporation, Shinichi ITO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): F24F11/65, F24F11/77, F24F11/79
Abstract: an air-sending device includes a fan configured to blow air into a space, an airflow direction adjusting unit configured to adjust an airflow direction of the air blown out from the fan, and a controller configured to control the fan and the airflow direction adjusting unit. the controller is configured to, when a predetermined condition is met, execute a forced swing mode regardless of a setting made by a user for the airflow direction. in the forced swing mode, a swing operation is forcibly performed in which the airflow direction adjusting unit is controlled to change the airflow direction over time.
Inventor(s): Shinya HIGASHIIUE of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): F24F11/74, F24F1/0018, F24F1/0063, F24F1/0073
Abstract: a refrigeration cycle apparatus includes an indoor unit provided with a first air inlet and a second air inlet; a first heat exchange unit located in a first air flow passage connecting the first air inlet and an air outlet; a second heat exchange unit located in a second air flow passage connecting the second air inlet and the air outlet, the second heat exchange unit being connected to the first heat exchange unit such that the second heat exchange unit is positioned downstream of the first heat exchange unit during heating operation; a first damper capable of adjusting an amount of air entering from the first air flow passage to the second air flow passage; and a second damper provided at the second air inlet and capable of adjusting an amount of air to be sucked from the second air inlet.
Inventor(s): Masami YASUDA of Tokyo (JP) for mitsubishi electric corporation, Kohei HASEGAWA of Tokyo (JP) for mitsubishi electric corporation, Shigenori KOIZUMI of Tokyo (JP) for mitsubishi electric corporation, Yutaro HAYAMIZU of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): F24F12/00, F24F7/08, F24F11/00
Abstract: the control unit causes a heater to operate when a temperature of a supply air flow is equal to or lower than a first temperature threshold, the temperature of the supply air flow being measured by an outdoor air temperature sensor while an air supply blower and an exhaust blower are in operation and the heater is stopped; and controls a protective operation mode when a temperature of the supply air flow is equal to or lower than a second temperature threshold, the protective operation mode being a mode in which the air supply blower is intermittently operated or is stopped and the exhaust blower continues operation, the temperature of the supply air flow being measured by the outdoor air temperature sensor after the heater is caused to operate.
Inventor(s): Kenta MURATA of Tokyo (JP) for mitsubishi electric corporation, Anna KOYANO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): F24H4/04, F24H15/18
Abstract: a storage type heat pump hot water supplying apparatus includes: control circuitry to control a compressor frequency and a pump rotational speed, the compressor frequency being an operating frequency of the compressor, the pump rotational speed being a rotational speed of a water pump. the control circuitry is configured to control, in a heat accumulating operation for accumulating hot water in the hot water storage tank, the pump rotational speed so that the actual hot water discharge temperature becomes equal to a target hot water discharge temperature. the heat accumulating operation includes a first operation and a second operation after the first operation. the compressor frequency in the first operation is higher than the compressor frequency in the second operation. the target hot water discharge temperature in the first operation is lower than the target hot water discharge temperature in the second operation.
20240133592.REFRIGERATION CYCLE APPARATUS_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Kosuke MIYAWAKI of Tokyo (JP) for mitsubishi electric corporation, Yuki MIZUNO of Tokyo (JP) for mitsubishi electric corporation, Soshi IKEDA of Tokyo (JP) for mitsubishi electric corporation, Jun NISHIO of Tokyo (JP) for mitsubishi electric corporation, Yuji MOTOMURA of Tokyo (JP) for mitsubishi electric corporation, Koji FURUYA of Tokyo (JP) for mitsubishi electric corporation, Hiroki WASHIYAMA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): F25B1/10
Abstract: a refrigeration cycle apparatus includes a main circuit and a bypass circuit. the main circuit includes: a compressor; a first condenser; a first refrigerant-to-refrigerant heat exchanger; a first expansion device; a first branching portion; a first evaporator; a third branching; and a fourth branching portion. the bypass includes: a second expansion device; the first refrigerant-to-refrigerant heat exchanger; and a second branching portion. the second branching portion includes a liquid outflow pipe and a gas outflow pipe. the liquid outflow pipe defines one outlet for the refrigerant and is located below the gas outflow pipe. the gas outflow pipe defines another outlet for the refrigerant and is located above the liquid outflow pipe. the one outlet of the second branching portion communicates with the third branching portion. the other outlet of the second branching portion communicates with the fourth branching portion.
20240133597.REFRIGERATION CYCLE APPARATUS_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Takanori KOIKE of Tokyo (JP) for mitsubishi electric corporation, Kazuyoshi SHINOZAKI of Tokyo (JP) for mitsubishi electric corporation, Kosuke TANAKA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): F25B41/26, F25B13/00
Abstract: a refrigeration cycle apparatus includes a heat source side unit, a relay unit, and a plurality of load side units, the heat source side unit and the relay unit are connected by using a low-pressure pipe and a high-pressure pipe, and the relay unit and each of the plurality of load side units are connected by using a corresponding liquid branch pipe and a corresponding gas branch pipe. the heat source side unit includes a compressor configured to compress refrigerant, at least one flow switching valve configured to change a passage of refrigerant based on an operation mode, and at least one heat source side heat exchanger, and the relay unit includes six-way valves or pairs of four-way valves.
Inventor(s): Takamichi NAKAMIZO of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Ikuya KAKIMOTO of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Tomoya MATSUDA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Masahiro HAGIO of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G01S7/02, G01S13/87
Abstract: a radar system, a radar device, and an interference avoidance method are obtained that can utilize frequency effectively even in three or more radar devices. a radar system includes three or more radar devices and a schedule management controller. schedule management controller predicts an interference time period that is a time period during which the overlapping scanning/radiation range is generated, determines a first interference avoidance measure that is a measure to cause radar devices to use respective different use frequencies while keeping a restriction on the number of frequency channels, in the predicted interference time period, and determines a second interference avoidance measure to be performed by a radar device that is unable to avoid interference by the first interference avoidance measure.
Inventor(s): REIYA NOGUCHI of RENNES Cedex 7 (FR) for mitsubishi electric corporation, THIERRY JERON of RENNES Cedex (FR) for mitsubishi electric corporation, NICOLAS MARKEY of RENNES Cedex (FR) for mitsubishi electric corporation, OCAN SANKUR of RENNES Cedex (FR) for mitsubishi electric corporation
IPC Code(s): G06F11/34, G06F11/07
Abstract: the present disclosure relates to a method for correcting the operation of a target computer system constrained by an inconsistent set of timed requirements, the set of timed requirements comprising a first subset and a second subset, said method comprising initializing a set of constraints based on a witness trace of the inconsistency, and iterating steps of: •—modifying the second subset of timed requirements to obtain an updated set of timed requirements for which each constraint in the set of constraints is satisfied; •—searching for a further witness trace of the inconsistency of the updated set of timed requirements; •—when a further witness trace is found: augmenting the set of constraints based on said further witness trace; wherein the operation of the target computer system is considered corrected when no further witness trace is found for an updated set of timed requirements.
Inventor(s): Kotaro OTOMURA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G06F16/2458, G06F16/28
Abstract: an information processing device includes an acquisition control unit that acquires an input value as a numerical value and a feature word as a word related to the input value, acquires probability distribution information as information regarding probability distribution and corresponding to the feature word, and acquires a plurality of target numerical values as a plurality of numerical values corresponding to the feature word and a calculation unit that calculates a plurality of similarity levels each being a level of similarity between the input value and each of the plurality of target numerical values based on the input value, the probability distribution information and the plurality of target numerical values.
Inventor(s): Yoshie IMAI of Tokyo (JP) for mitsubishi electric corporation, Kentaro ISHIKAWA of Tokyo (JP) for mitsubishi electric corporation, Shunya OSAWA of Tokyo (JP) for mitsubishi electric corporation, Masato TSUCHIYA of Tokyo (JP) for mitsubishi electric corporation, Yoshiki MITSUI of Tokyo (JP) for mitsubishi electric corporation, Nobuaki MOTOYAMA of Tokyo (JP) for mitsubishi electric corporation, Satoru FURUTA of Tokyo (JP) for mitsubishi electric corporation, Masahiro ABUKAWA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G06Q10/0834, G06Q30/04
Abstract: an information processing device includes an acquisition unit that acquires mobile object information, parcel information, pickup delivery information as information regarding at least one of pickup and delivery, map information, weather information, and traffic information, a calculation control unit that calculates a delivery company burden, as a cost defrayment by a delivery company, in regard to each combination of target parcels and a mobile object by using the mobile object information, the parcel information, the pickup delivery information, the map information, the weather information and the traffic information, a determination unit that determines an optimum combination out of a plurality of combinations based on the delivery company burden calculated in regard to each combination of target parcels and a mobile object, and an output unit that outputs the optimum combination.
Inventor(s): Fuyuki SATO of TOKYO (JP) for mitsubishi electric corporation, Shinichiro OTANI of TOKYO (JP) for mitsubishi electric corporation
IPC Code(s): G06Q50/06, G06N7/01, G06Q10/04
Abstract: a cpu performs multiple regression analysis using a first regression model to calculate a tentative degree of contribution of each target facility to the total power consumption. the cpu calculates tentative power consumption of the target facility using the tentative degree of contribution of the target facility. the cpu calculates power consumption of a non-monitored facility by subtracting the total value of the tentative power consumption of the target facility from the total power consumption. the cpu classifies time-series data of the power consumption of the non-monitored facility into a plurality of clusters. the cpu performs multiple regression analysis using a second regression model to determine the degree of contribution of each of the target facilities. the cpu determines the power consumption of the target facility using the determined degree of contribution.
Inventor(s): Kohei KAMADA of Tokyo (JP) for mitsubishi electric corporation, Hideki FUKUHARA of Tokyo (JP) for mitsubishi electric corporation, Masahiro NAKATSUKASA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G06V20/56, G06V10/25, G06V10/74
Abstract: a data extraction device, which extracts an image for transmission from images obtained by capturing surroundings outside a vehicle with an imaging device mounted on the vehicle each time the vehicle travels an extraction distance, includes: processing circuitry configured to acquire an image obtained by capturing the surroundings outside the vehicle; determine, as an object to be analyzed, an image captured at a position advanced by the extraction distance from a position at which a previously extracted image has been captured, and calculate an obstruction distance which indicates an actual distance from an imaging start position of the image having been determined as the object to be analyzed to a position of an obstruction included in the determined image; output the calculated obstruction distance as a next extraction distance; and extract the image that has been determined as the object to be analyzed.
Inventor(s): Taro KUMAGAI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G06V20/59, B60R16/023
Abstract: there is provided an occupant detection device with a reduced processing load.
Inventor(s): Taro KUMAGAI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G06V20/59, B60R16/023
Abstract: an occupant detection device includes an image obtainer to obtain a captured image from an imaging device including, in an imaging range, a driver present in a driver seat of a vehicle and a passenger present in a passenger seat or a rear seat of the vehicle, an occupant detector to obtain the captured image from the image obtainer, the occupant detector being capable of detecting the driver and the passenger in the captured image, and a detection target determiner to determine whether a detection target of the occupant detector is one of occupants of the driver and the passenger or both of the occupants of the driver and the passenger.
Inventor(s): Mamoru MATSUO of Tokyo (JP) for mitsubishi electric corporation, Kenta NAKAHARA of Tokyo (JP) for mitsubishi electric corporation, Keiichi NAKAMURA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H01L21/66
Abstract: a method for manufacturing a substrate according to the first disclosure includes immersing a substrate on which a plurality of circuit patterns are formed in pure water or a corrosive solution, applying voltage between the plurality of circuit patterns in a state in which the substrate is immersed in the pure water or the corrosive solution and determining the substrate to be a defective product when a tree is generated in the plurality of circuit patterns due to the voltage application and determining the substrate to be a non-defective product when the tree is not generated.
20240136257.POWER SEMICONDUCTOR DEVICE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Takuya SAKAMOTO of Tokyo (JP) for mitsubishi electric corporation, Keitaro ICHIKAWA of Tokyo (JP) for mitsubishi electric corporation, Yuji SHIKASHO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H01L23/495, H01L23/00, H01L23/31, H01L25/07
Abstract: a power semiconductor device according to the present disclosure includes, in the following order, a conductor plate, an insulator, a lead frame, a first mold package including a plurality of semiconductor elements provided on the lead frame inside thereof, and resin-sealed such that a main surface of the conductor plate opposite to a side on which the insulator is provided is exposed, and a second mold package in which the first mold package is resin-sealed such that the main surface is exposed, in which the lead frame has a plurality of terminals protruding from one side surface of the first mold package, the plurality of terminals are projecting from a front surface of the second mold package opposite to the conductor plate, and the plurality of terminals are alternately arranged to form a staggered pattern closer to one side of the front surface in plan view.
Inventor(s): Yasunari HINO of Tokyo (JP) for mitsubishi electric corporation, Junichi YAMASHITA of Tokyo (JP) for mitsubishi electric corporation, Koji TANAKA of Tokyo (JP) for mitsubishi electric corporation, Tomohide TERASHIMA of Tokyo (JP) for mitsubishi electric corporation, Shinichi IZUO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H01L23/00, H01L23/49, H02M7/44
Abstract: provided is a semiconductor device with higher reliability and longer life which can suppress an increase in production costs. a semiconductor device includes: a semiconductor element; a top electrode on an upper surface of the semiconductor element; and a conductive metal plate containing copper as a main component and solid-state diffusion bonded to the top electrode of the semiconductor element.
Inventor(s): Seiya SUGIMACHI of Tokyo (JP) for mitsubishi electric corporation, Kazufumi OKI of Tokyo (JP) for mitsubishi electric corporation, Okinori INOUE of Tokyo (JP) for mitsubishi electric corporation, Kazuhiro KAWAHARA of Tokyo (JP) for mitsubishi electric corporation, Kosuke YAMAGUCHI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H01L29/06, H01L29/739, H01L29/78, H02M7/5387
Abstract: the object is to provide a technology that can shorten a routing length of a gate wire connecting a control ic that controls driving first and second semiconductor elements that are connected in parallel with each other, to a gate pad of one of the first and second semiconductor elements disposed distant from the control ic. a first semiconductor element and a second semiconductor element are disposed so that a long side of the first semiconductor element faces a side of the second semiconductor element, and a hvic or a lvic, the first semiconductor element, and the second semiconductor element are disposed in this order in a direction orthogonal to a first direction, the gate pad is disposed on the first semiconductor element on one side in the first direction, and the gate pad is disposed on the second semiconductor element on the other side in the first direction.
Inventor(s): Yuki TAKIGUCHI of Tokyo (JP) for mitsubishi electric corporation, Eiji YAGYU of Tokyo (JP) for mitsubishi electric corporation, Kunihiko NISHIMURA of Tokyo (JP) for mitsubishi electric corporation, Hisashi SAITO of Tokyo (JP) for mitsubishi electric corporation, Takahiro YAMADA of Tokyo (JP) for mitsubishi electric corporation, Daisuke TSUNAMI of Tokyo (JP) for mitsubishi electric corporation, Marika NAKAMURA of Tokyo (JP) for mitsubishi electric corporation, Masanao ITO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H01L29/78, H01L29/417, H01L29/423, H01L29/66
Abstract: a semiconductor device includes a substrate, a semiconductor layer, an element region, and fin transistors. the substrate includes a principal surface. the semiconductor layer is formed as a surface layer or on the principal surface of the substrate, the surface layer being the principal surface of the substrate. the semiconductor layer has a crystal structure in which an angle between two of crystal orientations with equivalent relationships on a crystal plane having a correspondence with the principal surface of the substrate is 60 degrees or 120 degrees. the element region includes unit element regions formed on the principal surface of the substrate. the fin transistors are formed in the semiconductor layer, in the respective unit element regions. the fin transistors radially extend from a center toward an outer periphery of the element region. adjacent two of the fin transistors have a spacing with a 60� angle or a 120� angle.
Inventor(s): Taichi TOKUHISA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Ryo NABIKA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Takeshi YAGI of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Hiroki ASO of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Takanori WATANABE of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Akiko TATEBE of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Kazuya HARADA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02K1/276, H02K15/03, H02K15/12
Abstract: a rotor includes a first resin portion formed the periphery of a main shaft; a first core disposed the outer circumferential portion of the first resin portion; a magnet attached to the radial outside of the first core; and a second core disposed the radially outside end face of the magnet, wherein a plurality of structures in each of which the magnet is sandwiched between the first and second cores are disposed circumferentially around the main shaft, and a second resin portion is formed between the circumferential end faces of adjacent second cores and between the circumferential end faces of adjacent magnets, wherein the first core has a division surface on which the circumferential end faces of itself and an adjacent first core are in surface contact with each other, and wherein the second core is not in contact with an adjacent second core.
20240136874.ROTATING ELECTRICAL MACHINE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Hidenori SASAKI of Tokyo (JP) for mitsubishi electric corporation, Kenta MOTOYOSHI of Tokyo (JP) for mitsubishi electric corporation, Yu HIROTANI of Tokyo (JP) for mitsubishi electric corporation, Hiroko IKEDA of Tokyo (JP) for mitsubishi electric corporation, Shohei FUJIKURA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02K1/278
Abstract: a rotating electrical machine includes a stator and a rotor, the rotor includes a rotor core and a plurality of magnetic poles, the plurality of magnetic poles includes a plurality of magnet poles formed by permanent magnets, and a plurality of dummy poles, the magnet poles and the dummy poles are alternately disposed in both an axial direction and a circumferential direction, non-magnetic holes are provided between the magnet poles and the dummy poles that are adjacent in the axial direction, and when a length of each magnet pole in the axial direction is tm, a length of each dummy pole in the axial direction is tc, a length of each non-magnetic hole in the axial direction is ta, and a length of the rotor core in the axial direction is lc, the rotating electrical machine satisfies tm>tc and lc<(2�tm)+ta.
Inventor(s): Wataru YAMASHITA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Tatsuya OKUDA of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02K3/50, H02K3/34
Abstract: a metal support structural body is provided on the radially outer side of a phase ring for connecting a rotating electric machine armature winding at a stator end. an insulator ensuring an insulation distance to the ground is interposed between the phase ring and the metal support structural body. thus, long-term reliability improves as compared to a conventional insulation-to-ground structure. since the insulation distance to the ground is ensured by the insulator, the phase ring and the metal support structural body are configured with an insulation thickness smaller than needed for insulation to the ground, thereby improving cooling performance for the phase ring and the metal support structural body. occurrence of induced current in the metal support structural body is suppressed, thus allowing application of a simple fastening structure such as metal bolts to a stator frame.
Inventor(s): Yoshikuni TOMIOKA of Tokyo (JP) for mitsubishi electric corporation, Takashi NAGAO of Tokyo (JP) for mitsubishi electric corporation, Katsuhiko OMAE of Tokyo (JP) for mitsubishi electric corporation, Takahiro OKANOUE of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02K11/33, B62D5/04, H02K11/21, H02K11/27
Abstract: a control device that includes a circuit board, a plurality of heating elements that generate heat that accompanies driving the motor, and a rotation angle sensor that detects a rotation angle of the motor. the circuit board has a power supply input portion to which a driving current of the motor is supplied, a heating element mounting region where the plurality of the heating elements are mounted, and a controller mounting region where the rotation angle sensor is mounted. the power supply input portion, the heating element mounting region, and the controller mounting region are disposed in such an order. the circuit board, as seen from an axial direction of the rotating shaft, protrudes to an outside of a projection region that projects an outer surface of a cylindrical portion of a motor case that surrounds the motor. the power supply input portion is located on a portion out of portions of the circuit board that are on the outside of the projection region.
20240136906.BEARINGLESS MOTOR_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Masahito MIYOSHI of Tokyo (JP) for mitsubishi electric corporation, Yusuke SAKAMOTO of Tokyo (JP) for mitsubishi electric corporation, Shinichi FURUTANI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02K41/06, H02K11/21
Abstract: a bearingless motor includes a rotor, a stator for applying support force and torque to the rotor, and a first displacement sensor and a second displacement sensor for detecting a radial position of the rotor. the stator includes a motor winding for generating a magnetic flux having p poles to produce the torque, and a support winding for generating a magnetic flux having p�2 poles or two poles to produce the support force. the first displacement sensor and the second displacement sensor are disposed at positions axially different from each other.
Inventor(s): Hiroya NATSUHARA of Tokyo (JP) for mitsubishi electric corporation, Isao KEZOBO of Tokyo (JP) for mitsubishi electric corporation, Tatsuya MORI of Tokyo (JP) for mitsubishi electric corporation, Chiaki FUJIMOTO of Tokyo (JP) for mitsubishi electric corporation, Atsushi ITO of Kobe-shi (JP) for mitsubishi electric corporation, Yusuke TAKARADA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02M1/32, H02M1/00, H02M1/084, H02M7/537
Abstract: a power converter includes: a multiphase inverter circuit including a plurality of switching elements; a plurality of current sensors each configured to detect a current of the inverter circuit and output a value of the current detected; a terminal voltage detector configured to detect a voltage of each terminal of a load connected to the inverter circuit and output a value of the voltage detected; a switching element drive circuit configured to control the plurality of switching elements of the inverter circuit according to a switching pattern given; a fault detector configured to detect a fault in the inverter circuit or the plurality of current sensors; and a fault identifier configured to, after the fault detector detects the fault, switch the switching pattern to be given to the switching element drive circuit according to types of faults detectable by the fault detector, and perform identification processing of identifying a type and a location of the fault in the inverter circuit or the plurality of current sensors based on the value of the current detected by the plurality of current sensors or the value of the voltage detected by the terminal voltage detector during the control according to the switching pattern.
Inventor(s): Kenichi FUKUNO of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Takaharu ISHIBASHI of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Takato TOI of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02M3/335, H02M1/32
Abstract: an electric power conversion apparatus according the present disclosure includes: voltage detection means which detects the voltages of both bridge circuits, and a control device which controls the semiconductor switching elements of both bridge circuits. the control device includes a phase difference operation part which calculates a phase difference between the output of the first bridge circuit and the output of the second bridge circuit, based on the voltage values of both bridge circuits which are detected by the voltage detection means and an electric power command value; a compensation amount operation part which calculates a compensation amount which compensates an error due to the phase difference; and a pwm signal generation part which generates gate signals of the semiconductor switching elements, from a first operation result of the phase difference operation part and a second operation result of the compensation amount operation part.
Inventor(s): Toshikazu Takagi of Tokyo (JP) for mitsubishi electric corporation, Chiharu Morisaki of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02M7/5387, B60L50/51, H02M1/00, H02M1/088
Abstract: an electric-power conversion apparatus includes a driving circuit that performs switching control of semiconductor switching devices, a short-circuit control means that performs short-circuit control of an electric-power conversion circuit, an excessive-current detection means that detects whether or not an abnormality caused by an excessive current exists in the semiconductor switching device, and a gate-drive-abnormality detection means that detects whether or not an abnormality exists in a gate voltage of the semiconductor switching device; based on a result of the abnormality detection by the excessive-current detection means and a result of the abnormality detection by the gate-drive-abnormality detection means, the short-circuit control means turns on all the semiconductor switching devices in any one of the upper arm and the lower arm so as to perform the short-circuit control.
20240136967.POWER CONVERSION DEVICE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Tomonori YAMADA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02P27/06, B60L15/20, H02P29/024, H02P29/60
Abstract: a loss in each of a converter, an inverter, and a motor changes according to operation based on the rotation speed of the motor or the like. thus, in order to efficiently perform operation, appropriate control needs to be performed according to the voltage of a dc power supply and operation of the motor. the present disclosure is characterized by including a controller which controls a switching element of a converter according to the torque and the rotation speed of a motor on the basis of a loss in at least one of the motor, an inverter, and the converter.
Inventor(s): ROMAIN ROLLET of RENNES Cedex 7 (FR) for mitsubishi electric corporation
IPC Code(s): H04L49/253, H04L45/00, H04L47/6275, H04L49/25
Abstract: the present disclosure relates to a method for performing switching functions by a processing circuit of a switching device, the communication over the communication channel being organized according to successive first time slices and a second time slices, the processing circuit implementing a rtos which in normal operation comprises a rtos scheduler for scheduling a plurality of tasks having different priorities, said method comprising:
Inventor(s): QIANRUI LI of RENNES Cedex 7 (FR) for mitsubishi electric corporation, HERVE BONNEVILLE of RENNES Cedex 7 (FR) for mitsubishi electric corporation, NICOLAS GRESSET of RENNES Cedex 7 (FR) for mitsubishi electric corporation, AKL CHARAF of RENNES (FR) for mitsubishi electric corporation
IPC Code(s): H04W28/24, H04L45/12, H04W28/02, H04W28/06
Abstract: a method for learning qos performance inter-dependence of a plurality of communication links in a network managed by a central node, wherein the plurality of wireless links interface with a common application applying a joint figure of merit, comprising:
Inventor(s): Tadahiro SHIMODA of Tokyo (JP) for mitsubishi electric corporation, Mitsuru MOCHIZUKI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H04W36/06, H04L1/1812, H04W24/10, H04W28/02
Abstract: a communication system includes: a base station conforming to new radio access technology; and a communication terminal capable of performing multicast communication with the base station. while executing the multicast communication, the communication terminal transmits reception status information to the base station in communication with the communication terminal, the reception status information being information related to a data reception status, and the base station performs control of retransmission of data to the communication terminal on the basis of the reception status information.
Mitsubishi Electric Corporation patent applications on April 25th, 2024
- Mitsubishi Electric Corporation
- B66B5/00
- B66B1/34
- B66B1/46
- G06F21/31
- Mitsubishi electric corporation
- F24F11/32
- F24F5/00
- F24F11/54
- F24F11/61
- H05B47/16
- F24F11/58
- F24F11/52
- F24F11/65
- F24F11/00
- F24F11/77
- F24F11/79
- F24F11/74
- F24F1/0018
- F24F1/0063
- F24F1/0073
- F24F12/00
- F24F7/08
- F24H4/04
- F24H15/18
- F25B1/10
- F25B41/26
- F25B13/00
- G01S7/02
- G01S13/87
- G06F11/34
- G06F11/07
- G06F16/2458
- G06F16/28
- G06Q10/0834
- G06Q30/04
- G06Q50/06
- G06N7/01
- G06Q10/04
- G06V20/56
- G06V10/25
- G06V10/74
- G06V20/59
- B60R16/023
- H01L21/66
- H01L23/495
- H01L23/00
- H01L23/31
- H01L25/07
- H01L23/49
- H02M7/44
- H01L29/06
- H01L29/739
- H01L29/78
- H02M7/5387
- H01L29/417
- H01L29/423
- H01L29/66
- H02K1/276
- H02K15/03
- H02K15/12
- H02K1/278
- H02K3/50
- H02K3/34
- H02K11/33
- B62D5/04
- H02K11/21
- H02K11/27
- H02K41/06
- H02M1/32
- H02M1/00
- H02M1/084
- H02M7/537
- H02M3/335
- B60L50/51
- H02M1/088
- H02P27/06
- B60L15/20
- H02P29/024
- H02P29/60
- H04L49/253
- H04L45/00
- H04L47/6275
- H04L49/25
- H04W28/24
- H04L45/12
- H04W28/02
- H04W28/06
- H04W36/06
- H04L1/1812
- H04W24/10
