Chengwu Duan

Person

Shanghia, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Thermal bridge for an electric machine
- Patent number 12,266,997
- Issue date Apr 1, 2025
- GM Global Technology Operations LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-function DC-DC converter for battery electric vehicles
- Patent number 12,246,606
- Issue date Mar 11, 2025
- GM Global Technology Operations LLC
- Lei Hao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic system and control logic for torque converter assemblies
- Patent number 12,104,682
- Issue date Oct 1, 2024
- GM Global Technology Operations LLC
- Chunhao J. Lee
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Controlling a DC-DC converter for DC charging
- Patent number 12,036,886
- Issue date Jul 16, 2024
- GM Global Technology Operations LLC
- Chandra S. Namuduri
- B60 - VEHICLES IN GENERAL
Information Patent Grant
State of charge and state of health assessment of a mixed chemistry...
- Patent number 11,971,455
- Issue date Apr 30, 2024
- GM Global Technology Operations LLC
- Chengwu Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bi-material permanent magnets for electric machines
- Patent number 11,936,239
- Issue date Mar 19, 2024
- GM Global Technology Operations LLC
- Alireza Fatemi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and method for bypassing a torque converter in a powertrain
- Patent number 11,898,626
- Issue date Feb 13, 2024
- GM Global Technology Operations LLC
- Dongxu Li
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Direct contact cooling of axial flux motor stator
- Patent number 11,876,406
- Issue date Jan 16, 2024
- GM Global Technology Operations LLC
- Chengwu Duan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Efficient bypass switches for DC/DC converter
- Patent number 11,863,072
- Issue date Jan 2, 2024
- GM Global Technology Operations LLC
- Yusheng Zou
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System for a power take off mechanism for a powertrain system
- Patent number 11,821,501
- Issue date Nov 21, 2023
- GM Global Technology Operations LLC
- Dongxu Li
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Axial flux electric machine including insulated hybrid stator core...
- Patent number 11,804,744
- Issue date Oct 31, 2023
- GM Global Technology Operations LLC
- Chengwu Duan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor and torque converter clutch control strategy for electric dri...
- Patent number 11,780,421
- Issue date Oct 10, 2023
- GM Global Technology Operations LLC
- Norman K. Bucknor
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of making a laminated stator of an axial flux motor
- Patent number 11,715,999
- Issue date Aug 1, 2023
- GM Global Technology Operations LLC
- Anil K. Sachdev
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrified propulsion system and apparatus
- Patent number 11,703,113
- Issue date Jul 18, 2023
- GM Global Technology Operations LLC
- Chengwu Duan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotor core design
- Patent number 11,689,073
- Issue date Jun 27, 2023
- GM Global Technology Operations LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Locking mechanism for segmented stator core
- Patent number 11,646,611
- Issue date May 9, 2023
- GM Global Technology Operations LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrified propulsion system and apparatus
- Patent number 11,639,748
- Issue date May 2, 2023
- GM Global Technology Operations LLC
- Chengwu Duan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Magnets, pole shoes, and slot openings of axial flux motor
- Patent number 11,621,621
- Issue date Apr 4, 2023
- GM Global Technology Operations LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hydraulically actuated clutch system and control logic for torque c...
- Patent number 11,603,925
- Issue date Mar 14, 2023
- GM Global Technology Operations LLC
- Chunhao J. Lee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Axial flux motor with distributed winding
- Patent number 11,594,929
- Issue date Feb 28, 2023
- GM Global Technology Operations LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Axial flux motor including system for circulating coolant through a...
- Patent number 11,569,713
- Issue date Jan 31, 2023
- GM Global Technology Operations LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speed reduction assembly and a vehicle that utilizes the speed redu...
- Patent number 11,524,576
- Issue date Dec 13, 2022
- GM Global Technology Operations LLC
- Chengwu Duan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hybrid stator core component design for axial flux motor
- Patent number 11,381,123
- Issue date Jul 5, 2022
- GM Global Technology Operations LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disturbance cancellation and generation seat
- Patent number 11,305,675
- Issue date Apr 19, 2022
- GM Global Technology Operations LLC
- Chengwu Duan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Operating mode optimization for electric propulsion system with dow...
- Patent number 11,254,223
- Issue date Feb 22, 2022
- GM Global Technology Operations LLC
- Lei Hao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Axial flux motor assemblies with variable thickness rotors and roto...
- Patent number 11,205,930
- Issue date Dec 21, 2021
- GM Global Technology Operations LLC
- Chengwu Duan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Continuously variable transmission including a layshaft gearset
- Patent number 11,204,084
- Issue date Dec 21, 2021
- GM Global Technology Operations LLC
- Chengwu Duan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Centrifugal fluid-cooled axial flux motor
- Patent number 11,025,116
- Issue date Jun 1, 2021
- GM Global Technology Operations LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Powertrain for an electric vehicle
- Patent number 10,974,593
- Issue date Apr 13, 2021
- GM Global Technology Operations LLC
- Chengwu Duan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Continuously variable transmission with wedge actuation mechanism
- Patent number 10,941,840
- Issue date Mar 9, 2021
- GM Global Technology Operations LLC
- Jian Yao
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RELUCTANCE ASSISTED AXIAL FLUX ELECTRIC MOTOR
- Publication number 20250112512
- Publication date Apr 3, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Vincent Fedida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-FUNCTION BEAM WITH INTEGRATED STRUCTURAL, COOLING, AND TRANSV...
- Publication number 20250096357
- Publication date Mar 20, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Lu Huang
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY PACK HAVING AN INTEGRATED COOLING SYSTEM
- Publication number 20250087785
- Publication date Mar 13, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zhenwen Hu
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRICAL MACHINE
- Publication number 20250088046
- Publication date Mar 13, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Vincent Fedida
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRICAL MACHINE
- Publication number 20250088047
- Publication date Mar 13, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Vincent Fedida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AXIAL FLUX ELECTRIC MOTOR WITH ROTOR COOLING
- Publication number 20250088054
- Publication date Mar 13, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Control Strategy for Mixed Chemistry Battery Pack
- Publication number 20250070585
- Publication date Feb 27, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- B60 - VEHICLES IN GENERAL
Information Patent Application
MODULE BALANCING FOR A MIXED CHEMISTRY BATTERY
- Publication number 20240391354
- Publication date Nov 28, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zhenwen Hu
- B60 - VEHICLES IN GENERAL
Information Patent Application
LOW TEMPERATURE STATE-OF-CHARGE CORRECTION FOR A MIXED CHEMISTRY BA...
- Publication number 20240393399
- Publication date Nov 28, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- G01 - MEASURING TESTING
Information Patent Application
ESTIMATION OF STATE OF CHARGE OF A BATTERY ASSEMBLY
- Publication number 20240295608
- Publication date Sep 5, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Yue-Yun Wang
- B60 - VEHICLES IN GENERAL
Information Patent Application
THERMAL MANAGEMENT OF A BATTERY ASSEMBLY USING A CONFIGURABLE THERM...
- Publication number 20240286525
- Publication date Aug 29, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zhenwen Hu
- B60 - VEHICLES IN GENERAL
Information Patent Application
LAYOUT FOR BATTERY PACK WITH MIXED CHEMISTRY CELLS
- Publication number 20240291085
- Publication date Aug 29, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ADJUSTABLE HEATING FOR A MIXED CHEMISTRY BATTERY
- Publication number 20240291061
- Publication date Aug 29, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK HAVING AN INTEGRATED COOLING SYSTEM
- Publication number 20240253442
- Publication date Aug 1, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Chengwu Duan
- B60 - VEHICLES IN GENERAL
Information Patent Application
HOLLOW COPPER ELECTRICAL CONDUCTORS
- Publication number 20240235304
- Publication date Jul 11, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Sayed Youssef Sayed NAGY
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY COOLING SYSTEM HAVING AN ALTERNATING INLET/OUTLET SYSTEM FO...
- Publication number 20240178478
- Publication date May 30, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zhen GAO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY CLASSIFIER PARTITIONING AND FUSION
- Publication number 20240177056
- Publication date May 30, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Yusheng Zou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BATTERY HEALTH DETECTION BASED ON NATURAL SOAKING RESPONSE
- Publication number 20240175926
- Publication date May 30, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Ibrahim Haskara
- G01 - MEASURING TESTING
Information Patent Application
ADJUSTABLE AIR GAP AXIAL FLUX MOTOR
- Publication number 20240178732
- Publication date May 30, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AXIAL FLUX ELECTRIC MOTOR FOR A VEHICLE HAVING ROTOR SEGMENT SUPPOR...
- Publication number 20240146132
- Publication date May 2, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- B60 - VEHICLES IN GENERAL
Information Patent Application
ROTORS FOR ELECTRIC MOTORS
- Publication number 20240146130
- Publication date May 2, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STATOR CORE SEGMENT FOR AN AXIAL FLUX ELECTRIC MOTOR
- Publication number 20240128806
- Publication date Apr 18, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AXIAL FLUX ELECTRIC MACHINE INCLUDING SKEWED POLES
- Publication number 20240128845
- Publication date Apr 18, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- B60 - VEHICLES IN GENERAL
Information Patent Application
SYSTEMS AND METHODS FOR COOLING POWER ELECTRONICS USING A THERMOSYPHON
- Publication number 20240130085
- Publication date Apr 18, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Ming LIU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
AXIAL FLUX MOTOR ASSEMBLIES WITH INTEGRATED POWER ELECTRONICS AND D...
- Publication number 20230396130
- Publication date Dec 7, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Ming LIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
THERMAL BRIDGE FOR AN ELECTRIC MACHINE
- Publication number 20230387757
- Publication date Nov 30, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jian Yao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STATE OF CHARGE AND STATE OF HEALTH ASSESSMENT OF A MIXED CHEMISTRY...
- Publication number 20230375628
- Publication date Nov 23, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Chengwu Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHARGING TO AND/OR FROM A VEHICLE USING A SCALABLE BUCK-BOOST SYSTEM
- Publication number 20230365012
- Publication date Nov 16, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Chandra S. Namuduri
- B60 - VEHICLES IN GENERAL
Information Patent Application
AXIAL FLUX ELECTRIC MACHINE INCLUDING INSULATED HYBRID STATOR CORE...
- Publication number 20230291258
- Publication date Sep 14, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Chengwu DUAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTEGRATED AXIAL FLUX MOTOR ASSEMBLIES INCLUDING PLANETARY GEARSETS
- Publication number 20230283145
- Publication date Sep 7, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Chengwu DUAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Chengwu Duan

Person

Patents Grantslast 30 patents

Thermal bridge for an electric machine

Multi-function DC-DC converter for battery electric vehicles

Hydraulic system and control logic for torque converter assemblies

Controlling a DC-DC converter for DC charging

State of charge and state of health assessment of a mixed chemistry...

Bi-material permanent magnets for electric machines

System and method for bypassing a torque converter in a powertrain

Direct contact cooling of axial flux motor stator

Efficient bypass switches for DC/DC converter

System for a power take off mechanism for a powertrain system

Axial flux electric machine including insulated hybrid stator core...

Motor and torque converter clutch control strategy for electric dri...

Method of making a laminated stator of an axial flux motor

Electrified propulsion system and apparatus

Rotor core design

Locking mechanism for segmented stator core

Electrified propulsion system and apparatus

Magnets, pole shoes, and slot openings of axial flux motor

Hydraulically actuated clutch system and control logic for torque c...

Axial flux motor with distributed winding

Axial flux motor including system for circulating coolant through a...

Speed reduction assembly and a vehicle that utilizes the speed redu...

Hybrid stator core component design for axial flux motor

Disturbance cancellation and generation seat

Operating mode optimization for electric propulsion system with dow...

Axial flux motor assemblies with variable thickness rotors and roto...

Continuously variable transmission including a layshaft gearset

Centrifugal fluid-cooled axial flux motor

Powertrain for an electric vehicle

Continuously variable transmission with wedge actuation mechanism

Patents Applicationslast 30 patents

RELUCTANCE ASSISTED AXIAL FLUX ELECTRIC MOTOR

MULTI-FUNCTION BEAM WITH INTEGRATED STRUCTURAL, COOLING, AND TRANSV...

BATTERY PACK HAVING AN INTEGRATED COOLING SYSTEM

ELECTRICAL MACHINE

ELECTRICAL MACHINE

AXIAL FLUX ELECTRIC MOTOR WITH ROTOR COOLING

Control Strategy for Mixed Chemistry Battery Pack

MODULE BALANCING FOR A MIXED CHEMISTRY BATTERY

LOW TEMPERATURE STATE-OF-CHARGE CORRECTION FOR A MIXED CHEMISTRY BA...

ESTIMATION OF STATE OF CHARGE OF A BATTERY ASSEMBLY

THERMAL MANAGEMENT OF A BATTERY ASSEMBLY USING A CONFIGURABLE THERM...

LAYOUT FOR BATTERY PACK WITH MIXED CHEMISTRY CELLS

ADJUSTABLE HEATING FOR A MIXED CHEMISTRY BATTERY

BATTERY PACK HAVING AN INTEGRATED COOLING SYSTEM

HOLLOW COPPER ELECTRICAL CONDUCTORS

BATTERY COOLING SYSTEM HAVING AN ALTERNATING INLET/OUTLET SYSTEM FO...

BATTERY CLASSIFIER PARTITIONING AND FUSION

BATTERY HEALTH DETECTION BASED ON NATURAL SOAKING RESPONSE

ADJUSTABLE AIR GAP AXIAL FLUX MOTOR

AXIAL FLUX ELECTRIC MOTOR FOR A VEHICLE HAVING ROTOR SEGMENT SUPPOR...

ROTORS FOR ELECTRIC MOTORS

STATOR CORE SEGMENT FOR AN AXIAL FLUX ELECTRIC MOTOR

AXIAL FLUX ELECTRIC MACHINE INCLUDING SKEWED POLES

SYSTEMS AND METHODS FOR COOLING POWER ELECTRONICS USING A THERMOSYPHON

AXIAL FLUX MOTOR ASSEMBLIES WITH INTEGRATED POWER ELECTRONICS AND D...

THERMAL BRIDGE FOR AN ELECTRIC MACHINE

STATE OF CHARGE AND STATE OF HEALTH ASSESSMENT OF A MIXED CHEMISTRY...

CHARGING TO AND/OR FROM A VEHICLE USING A SCALABLE BUCK-BOOST SYSTEM

AXIAL FLUX ELECTRIC MACHINE INCLUDING INSULATED HYBRID STATOR CORE...

INTEGRATED AXIAL FLUX MOTOR ASSEMBLIES INCLUDING PLANETARY GEARSETS