Research has been conducted on an extended expansion engine using a multiple linkage system to increase the thermal efficiency of general-purpose engines. Previously reported engine increased mode fuel economy by 12.9%, while generated 1.93 times the summation of inertia compared to a conventional engine with the same output power.The newly-proposed multiple linkage system operates through a longer stroke term at a crank angle of 191.6°, so both of the piston speed and acceleration become lower.The summation of inertia in the newly-proposed multiple linkage system was decreased by 46.3% compared to that of the previous multiple linkage system.
Research on Extended Expansion General-Purpose Engine - A Numerical Approach to Reduce Vibration -
Sae Technical Papers
SAE World Congress & Exhibition ; 2009
20.04.2009
Aufsatz (Konferenz)
Englisch
Research on extended expansion general-purpose engine - a numerical approach to reduce vibration
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