Lock-up converter clutch with centrifugal control

Details Lock-up converter clutch with centrifugal control Lock-up converter clutch with centrifugal control

F - Mech Eng,Light,Heat,Weapons

16

D

138/12.14

F16D 43/284 (2006.01) F16H 61/14 (2006.01)

Patent

CA 1055804

LOCK-UP CONVERTER CLUTCH WITH CENTRIFUGAL CONTROL Abstract of the Disclosure A torque converter and lock-up clutch in which a single plate fluid operated clutch is disposed between the turbine and the input shell of the torque converter. The clutch engagement chamber is formed between the turbine and the clutch plate while a clutch disengagement chamber is formed between the input shell and the clutch plate. A normally open centrifugally responsive valve is mounted on the clutch and provides a controlled flow path between the engagement and disengagement chambers in response to clutch speed thereby controlling the pressure differential between the chambers when the clutch speed is less than a predetermined value. A normally closed centrifugally responsive valve is mounted on the clutch and provides a controlled flow path between the engagement and disengagement chambers in response to the speed of the clutch, thereby controlling the engagement force of the clutch when the speed of the clutch is equal to or greater than the predetermined speed.

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