Adjustment device for a variable compression ratio engine
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United States of America Patent
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Jul 21, 2009
Grant Date -
Jan 24, 2008
app pub date -
Mar 11, 2005
filing date -
Mar 11, 2004
priority date (Note) -
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Abstract
An adjustment device for a variable compression ratio engine. An engine block (100) is equipped internally with a transmission device (1) including, for at least one piston (2), a transmission member (3) which co-operates with (i) a rolling guide device (4) and (ii) a sprocket wheel (5), the sprocket wheel (5) co-operating with a control rack (7), on the opposite side from the transmission member (3). Moreover, the vertical position of the control rack in relation to the engine block (100) is adjusted by a control device (12). In addition, the adjustment device includes: elements for adjusting the position of the transmission device (1), which are disposed at the rolling guide device (4); and elements for adjusting the working clearance of the transmission device (1), which are disposed at the control rack (7).
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