Power transmission with electromechanical actuator
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United States of America Patent
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-
Aug 1, 2006
Grant Date -
Jun 10, 2004
app pub date -
Dec 9, 2002
filing date -
Dec 9, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automotive transmission is equipped with a variety of gears that may be combined to yield one or more output speeds as compared to an input speed. One or more electromechanical actuators is used to engage or disengage a particular desired mix of gears. The electromechanical actuator engages one mix of gears or another to set the desired ratio of input speed to output speed. The transmission may be used to provide a straight-through, an underdrive speed range, or an overdrive speed range in an automotive transmission.
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