Control system for a multi-speed transmission
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United States of America Patent
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Jul 13, 2010
Grant Date -
Sep 11, 2008
app pub date -
Feb 12, 2008
filing date -
Mar 8, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic control circuit for a transmission includes a plurality of solenoids and valves in fluid communication with a plurality of actuators. The actuators are operable to actuate a plurality of torque transmitting devices. Selective activation of the solenoids allows for a pressurized fluid flow to activate at least one of the actuators in order to shift the transmission into a desired gear ratio.
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