1
Gerald L Larson: Vehicle electrical system. International Truck Intellectual Property Company, Jeffrey P Calfa, Dennis Kelly Sullivan, Susan L Lukasik, August 31, 2004: US06784635 (67 worldwide citation)

A vehicle electrical system is disclosed having a plurality of electrical subsystems for supplying power to different component groups of the vehicle. A voltage regulator is provided each subsystem for setting the voltage on each electrical subsystem independently of the other electrical subsystems. ...


2
Gerald L Larson: Method and apparatus for wheel condition and load position sensing. International Truck & Engine, Dennis Kelly Sullivan, Jeffrey Calfa, Neil Powell Gilberto Hernandez, November 6, 2001: US06313742 (53 worldwide citation)

A system and a method for detecting compromised vehicle wheel and tire operating characteristics includes detection for out of round new tires, under pressure tires, poor front wheel alignment and off center line loads. The instantaneous rotational velocity signal generated for each wheel by an exis ...


3
Gerald L Larson, Walter K O Neil: Position detecting system. Eaton Corporation, R A Johnston, September 5, 1978: US04112365 (48 worldwide citation)

The position or presence of a metallic object is detected by an electronic circuit which senses a shift in phase between a first cyclic signal and a second cyclic signal which shifts in phase in response to movement of the object. An oscillator produces the first cyclic signal which is used as the r ...


4
Kevin R Carlstrom, Gerald L Larson, Frank Bondarowicz: Method of estimating engine lubricant condition. International Truck Intellectual Property Company, Jeffrey P Calfa, Dennis Kelly Sullivan, Susan L Lukasik, July 26, 2005: US06920779 (35 worldwide citation)

A motor vehicle having an internal combustion engine and a lubricating oil circulation system provides estimates of the distance remaining before an oil change becomes imperative. An indirect estimate of the depletion of various additives and the deterioration of oil operating characteristics is bas ...


5
Frank Bondarowicz, Kevin R Calstrom, Gerald L Larson: Method of monitoring engine lubricant condition. International Truck Intellectual Property Company L L C, Jeffrey P Calfa, Neil T Powell, Dennis Kelly Sullivan, February 4, 2003: US06513368 (29 worldwide citation)

A method for generating indicators relating to the condition of lubricating oil in an internal combustion engine. A set of variables relating to operation of the internal combustion engine serve as proxy variables for brake mean effective pressure developed by the internal combustion engine. Operati ...


6
Gerald L Larson, Paul W O Malley: Engine based kinetic energy recovery system for vehicles. International Truck Intellectual Property Company, Jeffrey P Calfa, Dennis Kelly Sullivan, Susan L Lukasik, August 2, 2005: US06922997 (26 worldwide citation)

A motor vehicle kinetic energy recovery system uses one or more cylinders of an internal combustion engine as the first or primary stage in a multi-stage high pressure air compression system, a compressed air storage system, compressed air operated drive train boosters and vehicle management electro ...


7
Gerald L Larson, Roger F Kuether: Engine running time indicator. Eaton Corporation, Teagno & Toddy, June 29, 1976: US03965669 (25 worldwide citation)

A cumulative running time indicator for use with an engine has a ceramic resonator-controlled oscillator that drives an electronic divider, a multiplexer, and a stepping motor which is connected through a gear train to a mechanical display showing elapsed time. The running time indicator operates on ...


8
Gerald L Larson: Wheel mounted power generator and wheel condition sensing apparatus. International Truck Intellectual Property Company, Jeffrey P Calfa, Dennis Kelly Sullivan, Susan L Lukasik, June 1, 2004: US06742386 (25 worldwide citation)

An electromechanical apparatus suitable for mounting on a vehicle wheel power for generating telemetry relating to the wheel including tire temperature and pressure. The apparatus includes a pendulum mounted to rotate freely relative to the vehicle wheel which is positioned from the wheel hub. When ...


9
Gerald L Larson, E James Lane, Robert S Mueller: Valve selector control system. Eaton Corporation, Blanchard Flynn Thiel Boutell & Tanis, October 14, 1980: US04227505 (23 worldwide citation)

A system for optimizing the number of cylinders operating in a multicylinder engine, during ongoing engine operation. Input circuitry monitors conditions under which the engine is operating and generates corresponding input signals. Logic circuitry, based on such input signals, determines whether to ...


10
Gerald L Larson, Alberto Pi, Martin W Uitvlugt: Device for regulating vehicle road speed. Eaton Corporation, Teagno & Toddy, February 7, 1978: US04072206 (21 worldwide citation)

A motor vehicle speed control system which, upon activation by the vehicle operator, maintains the vehicle at a predetermined set speed. The system utilizes a duty-cycle type pneumatic servoactuator responsive to an electrical control signal for controlling movement of the vehicle throttle. Control ...