Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism
Green Car Congress
APRIL 22, 2009
Combining the high compression ratio with the Atkinson cycle, the engineering team demonstrated a 7.4% As part of the study, the team also demonstrated switching durability of the dual piston mechanism of more than one million cycles. For the study, Honda installed a small pump separate from that of engine lubricating oil pump.
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