Method and apparatus for controlling the output speed of a fluid

Details Method and apparatus for controlling the output speed of a fluid Method and apparatus for controlling the output speed of a fluid

1984-09-12

1987-03-17

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 58B, 192 82T, 192103F, F16D 3500

Patent

active

046500456

ABSTRACT:
Disclosed is a method and apparatus for controlling the output speed of a fluid friction clutch. The fluid friction clutch comprises a work chamber, in which a drive disk rotates, and a reservoir. A valve controls the circulation of a viscous medium between the work chamber and the reservoir. The output rotational speed is thus dependent on the filling ratio of the work chamber. The valve is actuated as a function of at least one control parameter by means of a stepping motor connected with the clutch. The control parameter is preferably the temperature of the cooling medium of an internal combustion engine. The rotational output of the stepping motor is converted to a linear motion to actuate the valve lever by means of a spindle drive.

REFERENCES:
patent: 3823621 (1974-07-01), Kubo et al.
patent: 3990556 (1976-11-01), Hayashi et al.
patent: 4228880 (1980-10-01), Gee
patent: 4270641 (1981-06-01), Nonnenmann et al.
patent: 4305491 (1981-12-01), Rohrer
patent: 4310084 (1982-01-01), Nonnenmann
patent: 4310085 (1982-01-01), LaFlame
patent: 4356900 (1982-11-01), Sommer
patent: 4432444 (1984-02-01), Hauser
patent: 4488628 (1984-12-01), Kluna et al.
patent: 4499920 (1985-02-01), Steffan et al.

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