Oil passages of torque converter

Details Oil passages of torque converter Oil passages of torque converter

1989-10-02

1990-12-04

Lorence, Richard

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 33, F16H 4502

Patent

active

049747150

ABSTRACT:
A lockup torque converter has a turbine splined to a turbine shaft, and a stator mounted on a stator shaft. Axial hole, radial hole and annular groove of the turbine shaft, and a first radial hole of the stator shaft form a first fluid passage for connecting a first fluid chamber on one side of a lockup clutch piston, with a pressure control unit whereas a second fluid passage for a second fluid chamber on the other side of the lockup clutch piston is formed by an outer annular clearance around the stator shaft inside a hub of an impeller. In order to prevent fluid leakage, the stator shaft is further formed with a second radial hole extending from the outer annular clearance to an inner annular clearance which is formed around the turbine shaft inside the stator shaft, and which is bounded between a bushing for supporting the turbine shaft and a sealing ring.

REFERENCES:
patent: 2995956 (1961-08-01), Moore
patent: 3189144 (1965-06-01), Gabriel
patent: 4299315 (1981-11-01), Ohtsaka
patent: 4382496 (1983-05-01), Yamamori et al.
patent: 4406355 (1983-09-01), Bionaz
patent: 4716998 (1988-01-01), Tsukamoto et al.

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