Hydraulic system for torque converter

Details Hydraulic system for torque converter Hydraulic system for torque converter

1993-01-08

1994-06-14

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

1921133, 60337, F16D 1372, F16H 4502

Patent

active

053202023

ABSTRACT:
A hydraulic system for a torque converter is disclosed which has a converter chamber and a lock-up clutch dividing the converter chamber into a converter pressure section and a back-up pressure section. A lock-up control valve is provided, which has a first position wherein pressurized hydraulic fluid is supplied to the converter chamber and a second position wherein fluid is discharged from the back-up pressure section. A drain passage with a bimetal orifice normally closes the drain passage and is operative to open the drain passage when a temperature of the fluid in the drain passage is higher than a predetermined temperature.

REFERENCES:
patent: 4423803 (1984-01-01), Malloy
patent: 4966263 (1990-10-01), Hayasaki
Nissan Maintenance Procedure RL4F03A Manual, May, 1989.

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