Valve drive
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Dec 22, 2005
app pub date -
Jun 16, 2005
filing date -
Jun 16, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Valve drive with a first actuator (1) for opening and/or closing a gas-exchange valve (2), in particular of an internal combustion engine, and a separate second actuator (3) for the valve-play compensation of the gas-exchange valve (2), the second actuator (3) being developed as a double-action, preferably hydraulic, piston cylinder arrangement with at least two working surfaces (A1, A2) that can be subjected to pressure.
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