| 摘要 |
A variable compression ratio apparatus for a vehicle engine that is mounted at the engine and rotating a crankshaft mounted between upper and lower cylinder blocks, and that changes compression ratio of the air-fuel mixture by changing a mounting height of the crankshaft according to a driving condition of the engine, may include a supporter having a lower surface formed of a slanted surface and mounted between the upper and lower cylinder blocks, the crankshaft being rotatably inserted in the supporter through a bearing, an elastic member mounted at an upper portion of the supporter, a slider slidingly contacted to the slanted surface of the supporter and supported by the lower cylinder block, an operation unit applying operating force to the slider, and a power delivery unit connecting the slider with the operation unit and transmitting the operating force of the operation unit to the slider.
|
