Torque converter with lockup clutch

Details Torque converter with lockup clutch Torque converter with lockup clutch

2007-10-30

2007-10-30

Bonck, Rodney H. (Department: 3681)

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

Reexamination Certificate

active

11089152

ABSTRACT:
A torque converter with a lockup clutch includes a fluid passage into which flows operation oil supplied from a converter chamber, which is surrounded by the pump impeller and the turbine runner, to a lockup chamber in which engagement and disengagement of the lockup clutch are performed, the fluid passage being connected to an oil drain passage for the operation oil without passing through an engaging portion of the lockup clutch, and a valve formed at a point on the fluid passage and capable of controlling a flow amount of operation oil.

REFERENCES:
patent: 3502166 (1970-03-01), Christenson et al.
patent: 4423803 (1984-01-01), Malloy
patent: 4667541 (1987-05-01), Shimaoka et al.
patent: 5070974 (1991-12-01), Kirkwood
patent: 5320202 (1994-06-01), Wakahara
patent: 5441135 (1995-08-01), Worner et al.
patent: 6390263 (2002-05-01), Arhab
patent: 6419059 (2002-07-01), Nobu et al.
patent: 2003/0066726 (2003-04-01), Saito et al.
patent: 2001-116110 (2001-04-01), None

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