1
Harjit S Kohli, Elizabeth A Mackenzie, Gary L Rogers, Jean Louis Pessin, Erik Rhein Knudsen: Mixing and pumping vehicle. Schlumberger Technology Corporation, Stephen Schlather, Catherine Menes, December 3, 2002: US06488088 (33 worldwide citation)

A vehicle, such as a truck, includes mixing and pumping equipment for mixing a liquid and a particulate material (e.g., cement) and for pumping the mixture. One application is to pump the mixture into a wellbore for cementing a casing or liner to the wellbore inner wall. The vehicle includes a cab, ...


2
Zhong Wang, Tony T Hoang, Lan Wang, Gary L Rogers, Scott A Kegebein, William R Cadman: Noise minimization for evaporative canister ventilation valve cleaning. May 31, 2011: US07950375 (3 worldwide citation)

A control system comprising a detection module that detects at least one of a vehicle speed and an engine speed and a canister vent valve control module that selectively modulates the canister vent valve based on at least one of the vehicle speed and the engine speed. A method comprising detecting a ...


3
Zhong Wang, Wenbo Wang, Gary L Rogers, Scott A Kegebein, Lan Wang, Yan Wang: System for detecting failures in fuel systems. February 1, 2011: US07878057 (3 worldwide citation)

A diagnostic system and method includes a fuel level sensor that senses a fuel level in a fuel tank and a sensor diagnostic module that monitors a fuel transfer mechanism for a time period, that calculates a change in the fuel level, and that evaluates operation of the first fuel level sensor based ...


4
Zhong Wang, John F Van Gilder, Gary L Rogers, Scott A Kegebein, Wenbo Wang: System for detecting failures in fuel systems. GM Global Technology Operations, June 22, 2010: US07739897 (2 worldwide citation)

A diagnostic system and method for detecting failures in a fuel system of a vehicle includes a fuel level monitoring module that determines a first change in a first fuel level of a first fuel tank based on data received from a first fuel level sensor and determines a second change in a second fuel ...


5
Douglas J Moening, Scott A Kegebein, Eric M Hall, Gary L Rogers, Zhong Wang: Empty fuel level detection cross-check. GM Global Technology Operations, December 15, 2009: US07631556 (1 worldwide citation)

A fuel level monitoring system for a fuel system having a primary fuel tank and a secondary fuel tank includes a fuel level sensor that is disposed within the secondary fuel tank and that generates a first signal. An empty switch is disposed within the secondary fuel tank and generates a second sign ...


6
Gary L Rogers, Zhong Wang, Michael A Turley, Scott A Kegebein: Electrical fuel transfer pump diagnostic. May 8, 2012: US08175787

An engine control system having primary and secondary fuel tanks comprises a fuel monitoring module and a transfer pump (TP) diagnostic module. The fuel monitoring module determines a measured fuel level of the secondary fuel tank based on a fuel level signal received from a fuel level sensor when a ...


7
Douglas J Moening, Scott A Kegebein, Eric M Hall, Gary L Rogers, Zhong Wang: Empty fuel level detection cross-check. General Motors Corporation, Legal Staff, February 7, 2008: US20080028851-A1

A fuel level monitoring system for a fuel system having a primary fuel tank and a secondary fuel tank includes a fuel level sensor that is disposed within the secondary fuel tank and that generates a first signal. An empty switch is disposed within the secondary fuel tank and generates a second sign ...


8
Zhong Wang, John F Van Gilder, Gary L Rogers, Scott A Kegebein, Wenbo Wang: System for detecting failures in fuel systems. General Motors Corporation, Legal Staff, October 9, 2008: US20080245129-A1

A diagnostic system and method for detecting failures in a fuel system of a vehicle includes a fuel level monitoring module that determines a first change in a first fuel level of a first fuel tank based on data received from a first fuel level sensor and determines a second change in a second fuel ...


9
Zhong Wang, Wenbo Wang, Gary L Rogers, Scott A Kegebein, Lan Wang, Yan Wang: System for detecting failures in fuel systems. General Motors Corporation, Legal Staff, October 9, 2008: US20080245130-A1

A diagnostic system and method includes a fuel level sensor that senses a fuel level in a fuel tank and a sensor diagnostic module that monitors a fuel transfer mechanism for a time period, that calculates a change in the fuel level, and that evaluates operation of the first fuel level sensor based ...


10
Gary L Rogers, Zhong Wang, Michael A Turley, Scott A Kegebein: Electric fuel transfer pump diagnostic. Gm Global Technology Operations, Harness Dickey & Pierce, December 10, 2009: US20090306873-A1

An engine control system having primary and secondary fuel tanks comprises a fuel monitoring module and a transfer pump (TP) diagnostic module. The fuel monitoring module determines a measured fuel level of the secondary fuel tank based on a fuel level signal received from a fuel level sensor when a ...