Variable-compression-ratio engine
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United States of America Patent
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Nov 26, 2019
Grant Date -
N/A
app pub date -
Aug 3, 2018
filing date -
May 2, 2018
priority date (Note) -
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Abstract
A variable-compression-ratio engine may include a piston pin configured to interconnect a piston and an end portion of a connecting rod; an eccentric cam rotatably provided around the end portion of the connecting rod so that the piston pin is provided eccentrically to the eccentric cam, the eccentric cam serving to eccentrically rotate the piston pin via rotation thereof to vary a height of a top dead point of the piston; a latching plate configured to eject an oil, supplied thereinto, outwards in a circumferential direction through an oil ejection hole formed in an external peripheral surface thereof, to be rotated by an ejection pressure of the oil, the latching plate being rotated with the eccentric cam; and an oil supply device configured to selectively supply the oil into the latching plate.
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