Cylinder mode selection system for variable displacement internal combustion engine
December 23, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesEngine selectively utilizing hybrid thermodynamic combustion cycles Method and apparatus for disabling cylinders under light load conditions by comparison with variable reference Apparatus for controlling operation of inlet and exhaust valves and supply of fuel to selected cylinders of all of multi-cylinder I. C. engine Split engine operation with means for discriminating false indication of engine load reduction Internal combustion engine Air-air/fuel control device Idling controller of variable displacement engine Process and apparatus for intermittent control of a cyclically operating internal combustion engine System for controlling fuel injection for multiple-displacement engines Multi-cylinder internal combustion engine having disconnectable groups of cylinders Inventors
AssigneeApplicationNo. 172359 filed on 12/23/1993US Classes:123/481, Engine cylinder cutout123/198FCylinder cut outExaminersPrimary: Argenbright, Tony M.Attorney, Agent or FirmForeign Patent References
International ClassF02D 017/02AbstractA system for selecting the number of cylinders to be operated in a multi-cylinder variable displacement internal combustion engine installed in a vehicle having a driver operable accelerator control includes an accelerator control position sensor for determining the operating position of the accelerator control and an engine speed sensor for determining the speed of the engine, as well as a processor containing stored values for engine load as functions of engine speed and accelerator position and also engine load at wide open throttle. The processor infers engine load based on the accelerator control position and engine speed then selects the number of cylinders of the engine to be operated based at least in part of a comparison of the inferred engine load and the maximum possible load at the same engine speed.Other References
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