Liquid friction coupling

Details Liquid friction coupling Liquid friction coupling

1986-07-09

1987-11-03

Krizmanich, George H.

192 clutches and power-stop control

Clutches

Fluent material

192 82T, F16D 3500, F16D 4325

Patent

active

047038420

ABSTRACT:
A liquid friction coupling, which preferably constitutes a differential arranged in the shaft line between two driven axles of a vehicle, consists of a rotatable housing (1), which is filled with a viscous liquid, a shaft (2), which protrudes into the housing (1), and a number of interdigitating blades (5, 6). The blades (5) of one set are non-rotatably connected to the housing (1) and the blades (6) of the other set are non-rotatably connected to the shaft (2). The shaft (2) includes a cavity (4), which serves to receive liquid from the housing (1) and contains a spring-loaded slider (8). In order to effect an automatic control of the torque which can be transmitted during the starting period, the slider in the cavity (4) of the shaft constitutes a sliding valve member (8), which cooperates with slots or the like, which are formed in the shaft and lead into the housing (1). The sliding valve member (8) is adjustable in dependence on a performance variable, preferably in dependence on temperature.

REFERENCES:
patent: 4090596 (1978-05-01), Blair
patent: 4351425 (1982-09-01), Bopp
patent: 4425879 (1984-01-01), Shadday et al.

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