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| − | '''Summary of the patent applications from AISIN CORPORATION on November 30th, 2023'''
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| − | AISIN CORPORATION has recently filed several patents related to various technologies. These patents cover areas such as control systems for detecting failures in electrical machines, methods for manufacturing components of electric motors, innovative designs for permanent magnets, and devices for controlling vehicle doors.
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| − | In terms of control systems, AISIN CORPORATION has developed a system that can detect open-circuit failures in smoothing capacitors of rotating electrical machines. By monitoring wave height values of currents flowing through power supplies, the system can identify differences that indicate a capacitor failure, allowing for early detection and prevention of further damage.
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| − | In the field of manufacturing, AISIN CORPORATION has patented methods for manufacturing rotors and stators of electric machines. These methods involve using magnets and thermosetting resin to fix the magnets to the rotor core, as well as compressing and coating the coil portion of the stator to achieve desired shapes and provide electrical insulation. These innovative manufacturing processes simplify the production and reduce costs.
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| − | AISIN CORPORATION has also developed a unique design for permanent magnets, combining compression bonded and injection bonded magnets in a single magnet hole. This design aims to create more efficient and effective permanent magnets.
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| − | In the automotive sector, AISIN CORPORATION has filed patents for devices that control the opening and closing of vehicle doors. These devices include two opening and closing bodies that operate in opposite directions, synchronized by a control unit to ensure smooth and coordinated operation.
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| − | Notable applications:
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| − | * Control system for detecting open-circuit failures in smoothing capacitors of rotating electrical machines.
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| − | * Methods for manufacturing rotors and stators of electric machines, simplifying production and reducing costs.
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| − | * Design for permanent magnets combining compression bonded and injection bonded magnets for improved efficiency.
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| − | * Devices for controlling the opening and closing of vehicle doors, ensuring smooth and coordinated operation.
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| − | * Gas-liquid separator for fuel cell systems, effectively removing water and preventing accumulation near electromagnetic valves.
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| | ==Patent applications for AISIN CORPORATION on November 30th, 2023== | | ==Patent applications for AISIN CORPORATION on November 30th, 2023== |
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| | Koichi ARAKAWA | | Koichi ARAKAWA |
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| − | '''Brief explanation'''
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| − | The abstract describes a gas-liquid separator that effectively removes water in low-temperature environments and prevents water accumulation near an electromagnetic valve in a fuel cell system.
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| − | * Gas-liquid separator designed to drain water in low-temperature environments and prevent water storage near an electromagnetic valve in a fuel cell system.
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| − | * Includes a gas-liquid separation portion in the upper part of a housing to separate water from water-containing gas.
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| − | * Features a first water storage portion in the lower part of the housing to receive and store the separated water.
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| − | * Includes a second water storage portion located below the first water storage portion.
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| − | * Incorporates a valve mechanism to open and close a drain channel.
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| − | * Utilizes a tubular wall inside the first water storage portion to guide overflowed water into the second water storage portion.
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| − | * Includes a lid-like member to cover the upper side of the tubular wall.
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| − | '''Abstract'''
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| − | A gas-liquid separator is structured that can satisfactorily drain water even when used in a low-temperature environment and that prevents water from being stored near an electromagnetic on-off valve after a fuel cell stops generating electricity. The gas-liquid separator includes: a gas-liquid separation portion that separates water from water-containing gas in an upper part of a housing; an annular first water storage portion that receives and stores the water in a lower part of the housing; a second water storage portion located below the first water storage portion; and a valve mechanism that opens and closes a drain channel. The gas-liquid separator further includes: a tubular wall that is located inside the first water storage portion and guides the water having overflowed the tubular wall into the second water storage portion; and a lid-like member covering an upper side of the tubular wall.
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| | ===VEHICLE DOOR DEVICE ([[US Patent Application 18322113. VEHICLE DOOR DEVICE simplified abstract (AISIN CORPORATION)|18322113]])=== | | ===VEHICLE DOOR DEVICE ([[US Patent Application 18322113. VEHICLE DOOR DEVICE simplified abstract (AISIN CORPORATION)|18322113]])=== |
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| | Tomohito KIRYU | | Tomohito KIRYU |
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| − | '''Brief explanation'''
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| − | - The patent application describes a device for vehicle doors that includes two link arms connected to the vehicle body and the door.
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| − | - The device also includes a fitting portion on the door that opens and closes the door opening using the link mechanism formed by the link arms.
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| − | - There is also a fitting portion on the vehicle body that the door comes in contact with and separates from during the opening or closing operation.
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| − | - The purpose of this device is to provide a mechanism for smoothly opening and closing vehicle doors.
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| − | - The device aims to simplify the operation of vehicle doors and improve their functionality.
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| − | '''Abstract'''
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| − | A vehicle door device includes first and second link arms each having a first pivot connection point with respect to a vehicle body and a second pivot connection point with respect to a door of a vehicle; a door side fitting portion provided at a closing side end portion of the door that opens and closes a door opening portion of the vehicle based on an operation of a link mechanism formed by the first and second link arms; and a vehicle body side fitting portion provided at a closing side end portion of the door opening portion with and from which the closing side end portion of the door comes in contact and separates based on an opening or closing operation of the door.
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| | ===DRIVING APPARATUS ([[US Patent Application 18366415. DRIVING APPARATUS simplified abstract (AISIN CORPORATION)|18366415]])=== | | ===DRIVING APPARATUS ([[US Patent Application 18366415. DRIVING APPARATUS simplified abstract (AISIN CORPORATION)|18366415]])=== |
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| | Yuki TABATA | | Yuki TABATA |
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| − | '''Brief explanation'''
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| − | The patent application describes a culture apparatus that generates fine water particles for supplying moisture into a culture space.
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| − | * The apparatus includes a cartridge that absorbs moisture from the air using conductive polymer films.
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| − | * The cartridge can switch between a moisture absorption state and a moisture release state.
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| − | * In the moisture absorption state, the cartridge adsorbs moisture from the air by reducing the temperature of the base material.
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| − | * In the moisture release state, the cartridge releases fine water particles with a size of 50 nanometers or less by increasing the temperature of the base material.
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| − | * The apparatus also includes a control part that regulates the moisture absorption and release processes.
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| − | * The control part brings the cartridge into the moisture absorption state to absorb moisture and into the moisture release state to release the fine water particles into the culture space.
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| − | * The fine water particles can be used to irradiate a subject in the culture space.
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| − | '''Abstract'''
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| − | A culture apparatus includes a fine water generating cartridge disposed in an air passage by which moisture is supplied into a culture space and that goes into a moisture absorption state in which moisture in air is adsorbed on conductive polymer films by reducing the temperature of a base material having the conductive polymer films, and goes into a moisture release state in which fine water with a particle size of 50 nanometers or less is released from the moisture adsorbed on the conductive polymer films by increasing the temperature of the base material; and a control part performing moisture absorption control bringing the fine water generating cartridge into the moisture absorption state, and moisture release control releasing the fine water by bringing the fine water generating cartridge into the moisture release state supplied into the culture space, by irradiating the subject with the fine water.
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| | ===VEHICULAR OPENING AND CLOSING BODY CONTROL DEVICE ([[US Patent Application 18322082. VEHICULAR OPENING AND CLOSING BODY CONTROL DEVICE simplified abstract (AISIN CORPORATION)|18322082]])=== | | ===VEHICULAR OPENING AND CLOSING BODY CONTROL DEVICE ([[US Patent Application 18322082. VEHICULAR OPENING AND CLOSING BODY CONTROL DEVICE simplified abstract (AISIN CORPORATION)|18322082]])=== |
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| | Kenta IZUMI | | Kenta IZUMI |
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| − | '''Brief explanation'''
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| − | The patent application describes a device for controlling the opening and closing of vehicle doors or other openings.
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| − | * The device includes two opening and closing bodies that operate in opposite directions.
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| − | * A control unit synchronizes the timing of the opening and closing operations of the two bodies, even though they have different distances of travel.
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| − | * This synchronization occurs when the two bodies are interlocked to perform the opening and closing operations.
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| − | * The purpose of this device is to simplify and improve the control of vehicle openings, such as doors, by ensuring smooth and coordinated operation.
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| − | '''Abstract'''
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| − | A vehicular opening and closing body control device includes an opening and closing control unit for causing first and second opening and closing bodies that are provided in an opening of a vehicle and perform opening and closing operations in directions opposite to each other, to perform the opening and closing operations, wherein the opening and closing control unit synchronizes end timings of the opening and closing operations of the first and second opening and closing bodies having different opening and closing operation distances when the first and second opening and closing bodies are interlocked to perform opening operations and closing operations.
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| | ===HUMIDIFIER ([[US Patent Application 18248660. HUMIDIFIER simplified abstract (AISIN CORPORATION)|18248660]])=== | | ===HUMIDIFIER ([[US Patent Application 18248660. HUMIDIFIER simplified abstract (AISIN CORPORATION)|18248660]])=== |
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| | Katsuhiro KAJIO | | Katsuhiro KAJIO |
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| − | '''Brief explanation'''
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| − | The patent application describes a humidifier that can maintain a strong seal between a separator and a water exchange membrane, even when there are temperature changes.
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| − | * The humidifier includes plate-shaped separators with a dry gas-side water exchange portion on one side and a water-containing gas-side water exchange portion on the other side.
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| − | * These separators are stacked together with a water exchange membrane in between.
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| − | * A loop-shaped partition member is provided between the stacked humidifying modules to create a pressurization space.
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| − | * This partition member guides fluid into the pressurization space.
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| − | * The design ensures that the humidifier maintains high sealing performance without applying excessive force to the separator.
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| − | '''Abstract'''
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| − | A humidifier that can maintain high sealing performance between a separator and a water exchange membrane without applying an excessive external force to the separator even in the event of temperature change is provided. Humidifying modules each include plate-shaped separators each including a dry gas-side water exchange portion formed on one side and a water-containing gas-side water exchange portion formed on the other side. The humidifying module is structured by stacking a plurality of the separators in a state in which a water exchange membrane is disposed between the dry gas-side water exchange portion and the water-containing gas-side water exchange portion facing each other. A loop-shaped partition member that forms a pressurization space between the adjacent humidifying modules is provided in a state in which the humidifying modules are stacked to guide a fluid into the pressurization space.
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| | ===ROTOR CORE AND METHOD FOR MANUFACTURING ROTOR CORE ([[US Patent Application 18031254. ROTOR CORE AND METHOD FOR MANUFACTURING ROTOR CORE simplified abstract (AISIN CORPORATION)|18031254]])=== | | ===ROTOR CORE AND METHOD FOR MANUFACTURING ROTOR CORE ([[US Patent Application 18031254. ROTOR CORE AND METHOD FOR MANUFACTURING ROTOR CORE simplified abstract (AISIN CORPORATION)|18031254]])=== |
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| | Minami YAMANE | | Minami YAMANE |
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| − | '''Brief explanation'''
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| − | The patent application describes a permanent magnet that consists of two types of magnets: a compression bonded magnet and an injection bonded magnet. These magnets are made of a magnetic material and a resin material, and they are placed together in a magnet hole.
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| − | * The permanent magnet is made up of two types of magnets: compression bonded and injection bonded.
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| − | * The compression bonded magnet is made by compressing a magnetic material and a resin material together.
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| − | * The injection bonded magnet is made by injecting a magnetic material and a resin material together.
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| − | * Both magnets are placed in a magnet hole, with the compression bonded magnet adjoining the injection bonded magnet.
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| − | * The purpose of this design is to create a more efficient and effective permanent magnet.
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| − | '''Abstract'''
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| − | A permanent magnet includes a compression bonded magnet containing a magnetic material and a compression-molding resin material and provided in a magnet hole portion, and an injection bonded magnet containing the magnetic material and an injection-molding resin material and provided so as to adjoin the compression bonded magnet in the magnet hole portion.
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| | ===METHOD FOR MANUFACTURING STATOR ([[US Patent Application 18030793. METHOD FOR MANUFACTURING STATOR simplified abstract (AISIN CORPORATION)|18030793]])=== | | ===METHOD FOR MANUFACTURING STATOR ([[US Patent Application 18030793. METHOD FOR MANUFACTURING STATOR simplified abstract (AISIN CORPORATION)|18030793]])=== |
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| | Masahiro ISHIKAWA | | Masahiro ISHIKAWA |
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| − | '''Brief explanation'''
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| − | This patent application describes a method for manufacturing a stator, which is a component used in electric motors.
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| − | * The method involves two main steps: cross section forming and coating.
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| − | * In the cross section forming step, the coil portion of the stator is compressed to achieve a desired sectional shape.
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| − | * In the coating step, an insulation coating is applied to the coil portion to provide electrical insulation.
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| − | * After these steps, a common heat treatment is performed.
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| − | * The heat treatment involves annealing the coil portion to improve its mechanical properties.
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| − | * The heat treatment also involves baking the insulation coating to enhance its durability.
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| − | * The key innovation is performing both the annealing and baking in a single heat treatment process.
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| − | * This simplifies the manufacturing process and reduces production time and costs.
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| − | '''Abstract'''
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| − | This method for manufacturing a stator includes, after a cross section forming step for forming a sectional shape of a coil portion by compressing the coil portion and a coating step for applying an insulation coating to the coil portion, a common heat treatment step for performing, by the same heat treatment, annealing of the coil portion whose sectional shape has been formed in the cross section forming step and baking of the insulation coating applied to the coil portion in the coating step.
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| | ===ROTOR MANUFACTURING METHOD ([[US Patent Application 18031211. ROTOR MANUFACTURING METHOD simplified abstract (AISIN CORPORATION)|18031211]])=== | | ===ROTOR MANUFACTURING METHOD ([[US Patent Application 18031211. ROTOR MANUFACTURING METHOD simplified abstract (AISIN CORPORATION)|18031211]])=== |
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| | Motoki KORI | | Motoki KORI |
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| − | '''Brief explanation'''
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| − | - The patent application describes a method for manufacturing a rotor of a rotary electric machine.
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| − | - The method involves using magnets and a thermosetting resin to fix the magnets to a rotor core made of stacked steel sheets.
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| − | - The process includes increasing the temperature of the rotor core to a curing start temperature or higher.
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| − | - A resin injection apparatus is used to inject liquid resin at a melting start temperature or higher into the hole portions of the rotor core.
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| − | - The rotor core is kept at the curing start temperature or higher to cure the resin and fix the magnets in place.
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| − | '''Abstract'''
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| − | A rotor manufacturing method for manufacturing a rotor of a rotary electric machine by disposing magnets in hole portions of a rotor core formed of stacked steel sheets, and injecting and curing a thermosetting resin to fix the magnets to the rotor core includes a temperature increasing step for increasing a temperature of the rotor core to a curing start temperature or higher, a resin injection step for causing a resin injection apparatus to inject the liquid resin at a melting start temperature or higher into the hole portions of the rotor core at the curing start temperature or higher, and a magnet fixing step for curing the resin by keeping the rotor core at the curing start temperature or higher.
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| | ===ROTATING ELECTRICAL MACHINE CONTROL SYSTEM ([[US Patent Application 18032664. ROTATING ELECTRICAL MACHINE CONTROL SYSTEM simplified abstract (AISIN CORPORATION)|18032664]])=== | | ===ROTATING ELECTRICAL MACHINE CONTROL SYSTEM ([[US Patent Application 18032664. ROTATING ELECTRICAL MACHINE CONTROL SYSTEM simplified abstract (AISIN CORPORATION)|18032664]])=== |
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| | Subrata SAHA | | Subrata SAHA |
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| − | '''Brief explanation'''
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| − | The abstract describes a control system for a rotating electrical machine that can detect open-circuit failures in smoothing capacitors. Here is a simplified explanation of the abstract:
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| − | * The control system monitors the wave height values of currents flowing through two direct-current power supplies.
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| − | * If the difference between the wave height values is equal to or greater than a threshold value and the first wave height value is larger than the second, it indicates an open-circuit failure in the first smoothing capacitor.
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| − | * If the difference between the wave height values is equal to or greater than the threshold value and the second wave height value is larger than the first, it indicates an open-circuit failure in the second smoothing capacitor.
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| − | Bullet points explaining the patent/innovation:
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| − | * The patent describes a control system that can detect open-circuit failures in smoothing capacitors in a rotating electrical machine.
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| − | * By monitoring the wave height values of currents flowing through two power supplies, the control system can identify differences that indicate a capacitor failure.
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| − | * This detection method allows for early identification of open-circuit failures, which can help prevent further damage to the electrical machine.
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| − | * The control system can be implemented in various types of rotating electrical machines, such as motors or generators.
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| − | * Detecting and addressing capacitor failures promptly can improve the overall reliability and performance of the electrical machine.
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| − | '''Abstract'''
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| − | When a difference between a first wave height value of a current flowing through a first direct-current power supply and a second wave height value of a current flowing through a second direct-current power supply is greater than or equal to a determination threshold value and the first wave height value is larger than the second wave height value, a control part in a rotating electrical machine control system determines that a first smoothing capacitor has an open-circuit failure, and when a difference between the first wave height value and the second wave height value is greater than or equal to the determination threshold value and the second wave height value is larger than the first wave height value, the control part determines that a second smoothing capacitor has an open-circuit failure.
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