Temperature responsive fluid coupling device

Details Temperature responsive fluid coupling device Temperature responsive fluid coupling device

1984-09-28

1986-04-22

Cuchlinski, Jr., William A.

192 clutches and power-stop control

Clutches

Fluent material

123 4112, 123 4149, 192 82T, 192110B, F16D 3500, F16D 4325

Patent

active

045836256

ABSTRACT:
A temperature responsive coupling device for driving a cooling fan of an internal combustion engine includes a shaft rotatably mounted in an output coupling member coaxially with an input coupling member which is operatively coupled to the output coupling member by means of a coupling. A bimetal spring is operatively connected to one end of the shaft and a valve plate is connected to the opposite end of the shaft for controlling the flow of fluid within the fluid coupling. The shaft is supported in the output coupling member by means of a sealed bearing in order to decrease the sliding torque produced by the rotation of the shaft. A cover plate is positioned in front of the sealed bearing to protect the bearing from moisture and openings are operatively associated with the cover plate to allow any moisture which might have entered between the cover plate and the bearing to be expelled by centrifugal force.

REFERENCES:
patent: 3970177 (1976-07-01), Garrett et al.
patent: 3983981 (1976-10-01), Snodgrass et al.
patent: 4310085 (1982-01-01), LaFlame

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