Tensioner having a tensioning pressure control valve
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United States of America Patent
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N/A
Issued Date -
Aug 4, 2005
app pub date -
Feb 28, 2005
filing date -
Feb 20, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A tensioner for endless transmission elements such as chains or belts, having a pressure compartment that is impinged upon a tensioning pressure to actuate tensioning means acting upon the transmission element, a supply connection that is impinged upon by a supply pressure, and a valve interposed between the pressure compartment and the supply connection and comprising a closing unit that can be transferred to closed position by the tensioning pressure. The valve is designed as a tensioning pressure control valve, and the closing unit is provided with a substantially spring-elastic pretensioning element that counteracts the transfer to the closed position.
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