Lock-up type torque converter

Details Lock-up type torque converter Lock-up type torque converter

1992-06-05

1994-05-10

Lorence, Richard M.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 82T, 192113BT, F16H 4502

Patent

active

053100336

ABSTRACT:
A lock-up and slip lock-up type torque converter for an automotive transmission comprises a pump impeller associated with an input shaft of an automotive transmission, a turbine runner associated with an output shaft of the transmission and a lock-up clutch capable of directly connecting the input and output shafts, the lock-up clutch further has an orifice formed in the vicinity of a facing communicating with a fluid chamber of the lock-up clutch. A flow restricting bimetal portion is provided for operatively reducing a size of the orifice according to low fluid temperature detected at a facing portion of the lock-up clutch and increasing a size of the orifice according to high fluid temperature in the lock-up clutch.

REFERENCES:
patent: 4423803 (1984-01-01), Malloy
patent: 4930457 (1990-06-01), Tamai
Yoshizawa et al. "Proposal of New Criteria and Test Methods for the Dynamic Performance of ATF", SAE Technical Paper Series, 900810, Int'l. Congress and Expo., 1990, pp. 1-8.

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