Lock-up torque converter with clutch piston engageable with conv

Details Lock-up torque converter with clutch piston engageable with conv Lock-up torque converter with clutch piston engageable with conv

1979-03-14

1981-11-24

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

F16D 4706

Patent

active

043019005

ABSTRACT:
A lock-up torque converter includes a converter cover secured to a pump impeller and a clutch piston drivingly connected to a turbine runner. The clutch piston is engageable with the end wall of the converter cover and forms therewith a clutch chamber which is adapted to be pressurized or exhausted. A feed passageway and a discharge passageway communicate with the inside of the pump impeller and with the inside of the turbine runner, respectively, and cooperate with each other to feed a pressurized fluid into the pump impeller and to discharge the pressurized fluid from the turbine runner. A third passageway communicates with the clutch chamber and a lock-up control valve. The lock-up control valve selectively pressurizes and exhausts the clutch chamber.

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patent: 3777863 (1973-12-01), Chana
patent: 4027757 (1977-06-01), Radke et al.
patent: 4044556 (1977-10-01), Kuramochi et al.
patent: 4202431 (1980-05-01), Yamamori et al.

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