Viscous fluid coupling device

Details Viscous fluid coupling device Viscous fluid coupling device

2005-07-26

2008-11-25

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Fluent material

C192S058684, C192S03000R, C192S08200T

Reexamination Certificate

active

07455158

ABSTRACT:
A viscous fluid coupling device includes: a plate that divides a housing into a reservoir chamber and an operation chamber; communication holes that are provided in the plate and communicate the reservoir chamber and the operation chamber; a rotor that is disposed inside the operation chamber and fixed to one end of a drive shaft and rotates integrally with the drive shaft; a valve that is disposed in the reservoir chamber and opens and closes the communication holes, a rod that is fixed at one end to the valve and fixed at the other end to the inner circumferential side of a vortical bimetal and rotatably supported on the housing; a bimetal holder that fixes an attaching outer end formed by bending the outer circumferential side of the bimetal; and a vibration isolator that is disposed between the bimetal holder and the bimetal.

REFERENCES:
patent: 4185726 (1980-01-01), Rohrer
patent: 4431098 (1984-02-01), Hayashi et al.
patent: 4998607 (1991-03-01), Mizutani et al.
patent: 5509516 (1996-04-01), Yamauchi
patent: 54-56069 (1977-09-01), None
patent: 56-34180 (1977-09-01), None
patent: 55-44141 (1980-03-01), None

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