Torque converter

Details Torque converter Torque converter

2006-10-03

2006-10-03

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

C192S003300

Reexamination Certificate

active

07114604

ABSTRACT:
A torque converter which can prevent an engagement pressure of a lockup clutch from becoming very high. A converter chamber is formed between an outer disc portion of a front cover and an impeller shell. A partition wall separating a clutch chamber and a converter chamber is provided in the outer disc portion. A clutch chamber has a drive plate serving as an input side of an engine output, a driven plate serving as an output side, and a lockup piston forming an engagement oil chamber along with an inner disc portion of the front cover. Since the partition wall is provided, the lockup clutch can be engaged without being affected by the hydraulic pressure within the converter chamber.

REFERENCES:
patent: 5020646 (1991-06-01), Koshimo
patent: 5129493 (1992-07-01), Edmunds
patent: 5533602 (1996-07-01), Worner et al.
patent: 5789823 (1998-08-01), Sherman
patent: 6258001 (2001-07-01), Wakuta et al.
patent: 6478101 (2002-11-01), Taniguchi et al.
patent: 2001/0013731 (2001-08-01), Shinohara et al.
patent: 53011267 (1978-02-01), None
patent: 2001-116110 (2001-04-01), None
patent: 2002-195376 (2002-07-01), None
Copending U.S. Appl. No. 11/036,355, filed Jan. 18, 2005 entitled Torque Converter.

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