192 clutches and power-stop control – Clutches – Fluent material
Patent
1988-07-14
1990-02-13
Braun, Leslie A.
192 clutches and power-stop control
Clutches
Fluent material
192 82T, 192107R, 192110R, 192110B, 192113A, 403337, 123 4149, F16D 3500
Patent
active
048998605
ABSTRACT:
An original, replacement, or aftermarket mechanism which responds to predetermined maximum torque levels to decouple a radiator fan from the rotation of a driving element, usually a water pump. The mechanism includes variable mounting adaptations which can accommodate water pumps and fans of different lengths, diameters and required physical location so that a large number of vehicular applications can be satisfied with a few different size fan clutch mechanisms. The mechanism includes a rotor case connected to the fan and a rotor connected to the water pump. The rotor is positioned in a cavity in the case and is immersed in nonlinear fluid such as silicon fluid. The rotor side surfaces as well as the adjacent side surfaces of the case include depressed grooves which are out of alignment with the normal motion of the fluid so that random motion of the fluid caused by the sweeping action of the grooves prevents hot spots from occurring within the mechanism when it is decoupling the fan by allowing relative rotation between the rotor and the rotor case.
REFERENCES:
patent: 3002595 (1961-10-01), Weir
patent: 3390748 (1968-07-01), Hein et al.
patent: 3575269 (1971-04-01), Sherman
patent: 3741359 (1973-06-01), Leichliter
patent: 3824807 (1974-07-01), Hecht
patent: 3964582 (1976-06-01), Mitchell
patent: 4066048 (1978-01-01), Premus
patent: 4180024 (1979-12-01), Hernandez
patent: 4257501 (1981-03-01), Woods
patent: 4432444 (1984-02-01), Hauser
patent: 4692053 (1987-09-01), Sampeoro
Braun Leslie A.
Brown Boniard I.
Testardi David A.
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