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R Gary Diaz, John J Gemender, Steven J Dager, Ronald L Baughman: Land vehicle communications system and process for providing information and coordinating vehicle activities. International Truck and Engine, Jeffrey P Calfa, Neil T Powell, Dennis Kelly Sullivan, March 12, 2002: US06356822 (83 worldwide citation)

A communication system architecture (SA) for a vehicle which may be integrated into the vehicle's multiplexed electronic component communication system, and a process for communicating with the vehicle to provide information for and about the vehicle's operational status and coordinating t ...


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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. ...


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Charles E Howard, Keith E West, Douglas A Gremaux, James D Baker, H Edward Kelwaski: Vehicle battery condition monitoring system. International Truck International Property Company L L C, Jeffrey P Calfa, Neil T Powell, Dennis Kelly Sullivan, July 9, 2002: US06417668 (54 worldwide citation)

A method and an apparatus for monitoring a vehicle battery installed on a motor vehicle and indicating the condition of the battery is provided which does not require removal of the battery from the vehicle. Upon initial movement of the ignition key from off to on, open circuit voltage is measured a ...


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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 ...


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Benjamin S Puterbaugh, Michael A Taylor, Lucas E Satter, Mark H Musselman: Vehicle body suspension system. International Truck Intellectual Property Company L L C, Jeffrey P Calfa, Neil T Powell, Dennis Kelly Sullivan, November 12, 2002: US06478102 (39 worldwide citation)

A vehicle includes a body structure that is suspended from a chassis of the vehicle by a vehicle body suspension system. The vehicle body suspension system is constructed in a manner to allow relative movement to occur between the suspended body structure and the chassis in such a manner to at least ...


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Ning Lei, Qianfan Xin: Method and apparatus for flexibly regulating internal combustion engine valve flow. International Engine Intellectual Property Company, Susan L Lukasik, Dennis Kelly Sullivan, Jeffrey P Calfa, August 10, 2004: US06772742 (38 worldwide citation)

In an internal combustion engine, a fixed engine valve timing profile may be combined with a variable profile produced by a valve actuator coupled to one or more engine valves. By controlling one or more engine valves independent of the fixed timing profile, engine gas flow may be more flexibly regu ...


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Daniel W Hullinger: Wireless interface adaptor for remote diagnosis and programming of vehicle control systems. International Truck Intellectual Property Company L L C, Jeffrey P Calfa, Neil T Powell, Dennis Kelly Sullivan, August 6, 2002: US06430485 (36 worldwide citation)

An apparatus and a method of evaluating vehicle electrical control systems implements a base evaluation and programming station by an appropriately programmed portable computer. A wireless network communication interface is connected to the base evaluation and programming station. Vehicles may then ...


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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 ...