FLUID COUPLING
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United States of America Patent
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Issued Date -
Oct 6, 2022
app pub date -
Mar 1, 2022
filing date -
Apr 1, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A fluid coupling includes a cover, an impeller, a turbine, an output hub, a lock-up piston, and a wall member. The impeller is fixed to the cover. The turbine is disposed opposite to the impeller. The output hub outputs a torque transmitted thereto from the turbine. The lock-up piston is disposed between the cover and the turbine. The lock-up piston is disposed to be axially slidable on the output hub. The lock-up piston is configured to be engaged by friction with the cover. The wall member is attached to the output hub. The wall member defines a hydraulic chamber in cooperation with the lock-up piston.
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