Invention Grant
US08166929B2 Variable compression ratio engine 有权
可变压缩比发动机

Variable compression ratio engine
Abstract:
To control the compression ratio of an internal combustion engine, the cylinder block is slidably fitted to the crankcase, projections from the crankcase extend into the cylinder head to support a control shaft bearing the cylinder head. The angular displacement of the control shaft varies the compression ratio by displacing the cylinder head relative to the crankcase.
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