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Process and System for Controlling Effective Compression Ratios in an Engine Cylinder

Abstract: 

The present disclosure is directed at the control of an effective compression ratio setting in an engine which may use a variety of fuels or fuel blends. The effective compression ratio may be selected based upon information from a fuel sensor and stored information regarding the detected fuel composition. The effective compression ratio may be adjusted for a selected cylinder by intake or exhaust valve timing.

Patent Number: 
8,857,381
Date Of Issue: 
10/14/2014
Inventors: 

Charles Edward Roberts Jr.