FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods
Green Car Congress
APRIL 22, 2013
The small end of the connecting rod in the FEV systemis equipped with an eccentric sleeve housing the wrist pin. By rotating the eccentric sleeve, the effective connecting rod length, and thus the compression ratio, can be varied. The FEV variable length connecting rod is part of the third group. Diagram at right.).
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