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06/28/07 | 30 views | #20070150164 | Prev - Next | USPTO Class 701 | About this Page  701 rss/xml feed  monitor keywords

Variable compression ratio internal combustion engine

USPTO Application #: 20070150164
Title: Variable compression ratio internal combustion engine
Abstract: A variable compression ratio internal combustion engine is programmably configured to operate in a plurality of compression ratios. Internal combustion engines with electronically controlled engine components that include electronic valve operation are programmed to operate individual engine cylinders with component states and stoke sequences that provide variable compression ratios by creation of a virtual cylinder within a physical cylinder. Cylinder volume dictates maximum compression ratio, which acts as a ceiling for the variable compression ratio that can be provided. (end of abstract)
USPTO Applicaton #: 20070150164 - Class: 701103000 (USPTO)
Related Patent Categories: Data Processing: Vehicles, Navigation, And Relative Location, Vehicle Control, Guidance, Operation, Or Indication, With Indicator Or Control Of Power Plant (e.g., Performance), Internal-combustion Engine, Digital Or Programmed Data Processor, Control Of Air/fuel Ratio Or Fuel Injection

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