Inventor

ZHANG ZHEN J

US24 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG ZHEN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHANG ZHEN J

GM GLOBAL TECH OPERATIONS LLC

Method and apparatus to control a continuously variable transmission

Method and apparatus to control a continuously variable transmission

Method and apparatus to control a continuously variable transmission

Torque converter clutch slip control

CVT ratio change control during a sudden vehicle stop

Clutch controls for electric vehicle transmission with modular actuation system

Method and apparatus to control a continuously variable transmission

Method of controlling a variator

Method and apparatus to control a continuously variable transmission

CVT control during change-of-mind shifts

Method and apparatus to control a continuously variable transmission

OTANEZ PAUL G

Method of operating a torque converter clutch

System and method for controlling an accumulator based on vehicle conditions

Pressure regulation method for an automatic transmission

Accumulator fluid temperature estimation algorithm

System and method for accumulator fluid mixing

ZHANG ZHEN J

System and method for controlling an automatic engine stop-start based on transmission conditions

System and method for controlling an automatic engine restart

System and method for controlling an automatic engine stop-start

System and method for estimating hydraulic pressure within and controlling a dry dual clutch transmission

GM GLOBAL TECH OPERATIONS INC

Gross slip-based control of a variator assembly

Multi-speed transmission with an engine start/stop enabler

BOCKENSTETTE CASIE M

Multi-speed transmission with an engine start/stop enabler

LUNDBERG PHILIP C

System and method for controlling an automatic engine stop-start accumulator