Fan clutch construction and method of making the same

192 clutches and power-stop control – Clutches – Fluent material

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298895, F16D 3502

Patent

active

055730957

ABSTRACT:
A fan clutch construction and method of making the same are provided, the fan clutch construction comprising a drive plate rotatably mounted in a chamber of a housing and a scoop plate disposed in the chamber and being operatively interconnected to the housing to cause rotation of the housing when the scoop plate is rotated by the rotation of the drive plate, the scoop plate having a dam that cooperates with the drive plate to cause rotation of the scoop plate through a fluid coupling drive arrangement with the drive plate, the dam having a surface that provides a substantially zero clearance with the drive plate when relative movement is provided between the drive plate and the scoop plate.

REFERENCES:
patent: 3155209 (1964-11-01), Weir
patent: 3191733 (1965-06-01), Weir
patent: 3227254 (1966-01-01), Sutaruk
patent: 3964582 (1976-06-01), Mitchell
patent: 4383597 (1983-05-01), Blair
patent: 4564094 (1986-01-01), Storz
patent: 4938328 (1990-07-01), Kennedy
patent: 4938329 (1990-07-01), Kennedy
patent: 5062514 (1991-11-01), Kennedy et al.
patent: 5190131 (1993-03-01), Hagiarara
Prior known fan clutch construction illustrated in FIG. 4 of this patent application.

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