Fluid transmitting system with lock-up clutch

Details Fluid transmitting system with lock-up clutch Fluid transmitting system with lock-up clutch

2006-06-27

2006-06-27

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

Reexamination Certificate

active

07066312

ABSTRACT:
A fluid transmitting system includes a lock-up clutch whose clutch piston is disposed between a side cover connected to a pump impeller and a turbine runner. A Belleville spring for biasing the clutch piston to a clutch turning-on direction is mounted to a piston hub of the clutch piston slidably carried on a turbine hub so that the deformation attitude thereof is changed freely. A limiting means is provided between the clutch piston and the turbine runner for limiting the amount of retraction of the clutch piston to a constant value thereby preventing excessive deformation of the Belleville spring, when the clutch piston is retracted in a clutch turning-off direction. Thus, the Belleville spring for biasing the clutch piston of the lock-up clutch in the clutch turning-on direction can exhibit an intrinsic spring characteristic, and moreover the durability of the Belleville spring can be enhanced.

REFERENCES:
patent: 6497312 (2002-12-01), Sasse et al.
patent: 6698561 (2004-03-01), Kundermann et al.
patent: 55-54758 (1980-04-01), None
patent: 11-201260 (1999-07-01), None
patent: 2001-280444 (2001-10-01), None

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