Torque converter

Details Torque converter Torque converter

2006-12-05

2006-12-05

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

C192S085060

Reexamination Certificate

active

07143880

ABSTRACT:
A torque converter includes a front cover connected to an engine with a set block, a pump impeller integrally connected to the front cover, a turbine runner facing to the pump impeller and connected to an input shaft of a transmission, a lock-up clutch for engaging/disengaging the front cover relative to the input shaft through a damper, an engaging hydraulic pressure chamber separated from a power transmission hydraulic chamber surrounded by the pump impeller and the front cover, and that engaging pressure of the lock-up clutch is provided into the engaging hydraulic pressure chamber, a front cover hub, a piston inserted so as to slide in the engaging hydraulic pressure chamber, a clutch engaging portion operated to be engaged/disengaged by the piston, plural projection portions being projecting by stamping and welded to the front cover, and an oil path formed between the front cover and the front cover hub among the projection portions.

REFERENCES:
patent: 3224537 (1965-12-01), Hilpert
patent: 5533602 (1996-07-01), Worner et al.
patent: 6471021 (2002-10-01), Sasse et al.
patent: 2002/0033310 (2002-03-01), Sasse et al.
patent: 2005/0210971 (2005-09-01), Satoh
T. Kato and H. Michioka, JATCO Trans Technology Ltd.; Y. Mikoshiba and K. Murakami, Nissan Motor Co., Ltd., “Development of Large Capacity 5-speed Automatic Transmission (JR507E) for RWD Vehicles” SAE 2002 World Congress Detroit, Michigan, Mar. 4-7, 2002.

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