FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods
Green Car Congress
APRIL 22, 2013
downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio. The FEV variable length connecting rod is part of the third group. There have been a number of concepts proposed to enable such VCR systems.
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