41
Xiaofeng Yang, Wenbo Wang, Tang Wei Kuo, Jeffrey M Kaiser, Chao F Daniels: Method and apparatus for controlling spark timing in an internal combustion engine. GM Global Technology Operations, October 15, 2013: US08555857

A method for operating a spark-ignition internal combustion engine includes controlling spark ignition timing responsive to a combustion charge flame speed corresponding to an engine operating point and a commanded air/fuel ratio associated with an operator torque request.


42
Jeffrey M Kaiser, Christopher E Whitney, Timothy W Athan, Dennis A Light, Timothy L Gibbs: Torque limiting engine lubrication protection system. December 10, 2013: US08602001

A lubrication torque limit module includes a temperature module that determines a temperature of an engine and generates an engine temperature signal. A limit module generates a torque limit signal based on the temperature signal and a speed of the engine. The torque limit signal identifies an indic ...


43
Daniel G Brennan, Leonard G Wozniak, Robert C Simon Jr, Jeffrey M Kaiser, Emil Ritzen, Mats A Reimark, Richard M Backman, Magnus Wall, Thomas Magnusson: Use of torque model at virtual engine conditions. GM Global Technology Operations, April 7, 2015: US09002550

A torque estimation system for a vehicle comprises an operating parameter module, a torque estimation module, and an estimation control module. The operating parameter module determines an estimated engine operating parameter based on engine speed. The torque estimation module estimates engine torqu ...


44
Daniel G Brennan, Jeffrey M Kaiser, Bryan R Snyder, Gregory J York, Anne M Shields, Leonard G Wozniak: Cam phaser compensation in a hybrid vehicle system. GM Global Technology Operations, April 14, 2009: US07519466

A method of regulating a torque output of an internal combustion engine in a hybrid electric vehicle includes determining whether a cam phaser system of the engine is in one of an inactive state and an active state and monitoring at least one engine operating parameter. An engine torque array is sel ...


45
Mark A Schang, Jeffrey M Kaiser, Jeremy V Horgan: Method of controlling an upshift of a transmission. GM Global Technology Operations, Quinn IP Law, August 22, 2017: US09738285

A method of controlling a transmission includes determining if an internal combustion engine of the vehicle is currently operating with active fuel management, or if the internal combustion engine is currently operating without active fuel management. The vehicle controller further determines if a p ...


46
Christopher E Whitney, Richard B Jess, Jeffrey M Kaiser, Weixin Yan, Michael Livshiz, Robert C Simon, Leonard G Wozniak: Full range torque reduction. Gm Global Technology Operations, Harness Dickey & Pierce, October 2, 2008: US20080243355-A1

An engine control system comprises a torque request module, an immediate torque control module, an actuation module, and an expected torque control module. The torque request module generates an expected torque request and an immediate torque request. The immediate torque control module controls a s ...


47
Daniel G Brennan, Jeffrey M Kaiser, Bryan R Snyder, Gregory J York, Anne M Shields, Leonard G Wozniak: Cam phaser compensation in a hybrid vehicle system. General Motors Corporation, Legal Staff, November 13, 2008: US20080281496-A1

A method of regulating a torque output of an internal combustion engine in a hybrid electric vehicle includes determining whether a cam phaser system of the engine is in one of an inactive state and an active state and monitoring at least one engine operating parameter. An engine torque array is sel ...


48
Michael Livshiz, Jeffrey M Kaiser, Bahram Younessi, Richard B Jess, Richard H Clutz: Engine torque control at high pressure ratio. General Motors Corporation, Legal Staff, May 22, 2008: US20080120009-A1

A method of controlling a torque output of an internal combustion engine includes determining a pressure ratio, determining a reference torque based on the pressure ratio and a torque request, calculating a desired throttle area based on the reference torque and regulating operation of the engine ba ...


49
Michael Livshiz, Jeffrey M Kaiser, Layne K Wiggins, John A Jacobs, Richard B Jess, James L Worthing: Torque based air per cylinder and volumetric efficiency determination. General Motors Corporation, Legal Staff, May 29, 2008: US20080121211-A1

A method of regulating operation of an internal combustion engine includes monitoring a manifold absolute pressure (MAP) of the engine, determining an engine torque based on the MAP, estimating an air per cylinder (APC) based on the torque, determining a volumetric efficiency of the engine based on ...


50
Michael Livshiz, Jeffrey M Kaiser, Christopher E Whitney, John A Jacobs, Richard B Jess: Engine torque control. General Motors Corporation, Legal Staff, May 29, 2008: US20080121212-A1

A method of achieving a desired torque output of an internal combustion engine includes determining a first air-per-cylinder (APC) value based on a first APC relationship and determining a second APC value based on a second APC relationship. An APC error is determined based on the second APC value. ...