Temperature controlled hydraulic coupling with separate tube

Details Temperature controlled hydraulic coupling with separate tube Temperature controlled hydraulic coupling with separate tube

1976-11-15

1978-05-02

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Fluent material

192 82T, F16D 3500, F16D 4325

Patent

active

040869903

ABSTRACT:
A shear liquid coupling of the temperature controlled type for driving the cooling fan of the radiator of an internal combustion engine. The specific improvement resides in the use of a separate tube for returning drive shear liquid from a zone adacent the drive rotor periphery to the shear liquid reservoir. The use of such a separate tube obviates the need of drilling (or casting) a return shear liquid passage in the coupling. Further, the use of such a separate tube permits operation in either direction of fan rotation.

REFERENCES:
patent: 3458020 (1969-07-01), Lutz
patent: 4007819 (1977-02-01), Maci

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