Inventor
Chengwu DUAN
Inventor
CN
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines25%
B60LPropulsion of electrically-propelled vehicles11%
F16HGearing11%
Y02TClimate change mitigation technologies related to transportation10%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles7%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology5%
H02JElectric power networks5%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
PatentTitleYear
12,592,596Reluctance assisted axial flux electric motor202612,575,064Systems and methods for cooling power electronics using a thermosyphon202612,567,772Electrical machine202612,512,532Battery pack having an integrated cooling system202512,438,426Adjustable air gap axial flux motor202512,397,680Active and passive heat flux control systems for two-phase immersive cooling for high power density electric vehicle components202512,316,203Axial flux motor assemblies with integrated power electronics and double-sided cooling202512,301,060Rotors for electric motors202512,294,280Integrated axial flux motor assemblies including planetary gearsets202512,266,997Thermal bridge for an electric machine202512,246,606Multi-function DC-DC converter for battery electric vehicles202512,104,682Hydraulic system and control logic for torque converter assemblies202412,036,886Controlling a DC-DC converter for DC charging202411,971,455State of charge and state of health assessment of a mixed chemistry battery202411,936,239Bi-material permanent magnets for electric machines202411,898,626System and method for bypassing a torque converter in a powertrain202411,876,406Direct contact cooling of axial flux motor stator202411,863,072Efficient bypass switches for DC/DC converter202411,821,501System for a power take off mechanism for a powertrain system202311,804,744Axial flux electric machine including insulated hybrid stator core with soft magnetic composite portions and laminated layers202311,780,421Motor and torque converter clutch control strategy for electric drive unit having motor-driven torque converter202311,715,999Method of making a laminated stator of an axial flux motor202311,703,113Electrified propulsion system and apparatus202311,689,073Rotor core design202311,646,611Locking mechanism for segmented stator core202311,639,748Electrified propulsion system and apparatus202311,621,621Magnets, pole shoes, and slot openings of axial flux motor202311,603,925Hydraulically actuated clutch system and control logic for torque converter assemblies202311,594,929Axial flux motor with distributed winding202311,569,713Axial flux motor including system for circulating coolant through air gap between stator and rotor202311,524,576Speed reduction assembly and a vehicle that utilizes the speed reduction assembly202211,381,123Hybrid stator core component design for axial flux motor202211,305,675Disturbance cancellation and generation seat202211,254,223Operating mode optimization for electric propulsion system with downsized DC-DC converter202211,205,930Axial flux motor assemblies with variable thickness rotors and rotors having interiorly disposed magnets202111,204,084Continuously variable transmission including a layshaft gearset2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Patents assigned to GM GLOBAL TECH OPERATIONS LLC (36)· patent assignee history
2021–2026Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS LLC | 36 | 2021–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 36 | 2021–2026 |