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US 9,074,640 B1Granted
Squawk reducing clutch hub assembly
OwnerRon Wolvertoninventor
Life of this patent
Estimating the term…
Abstract
An E clutch hub assembly for the Ford 6R140 transmission, that reduces the squawk noise that occurs during the 3-4 upshift. A clutch hub has a lower pressure washer onto which is stacked a damper hub having radially located lube holes to direct lube to the E clutch plates. An upper pressure washer is stacked onto the damper hub while a pressure plate, seated within a snap ring rove machined into the hub, applies pressure onto the two pressure washers which help absorb the squawk noise. A waved spring holds the entire assembly within the hub.
Claims5
A hub assembly comprising:
- a clutch hub having an interior with a bottom and a top, such that an inwardly directed first annular lip encircles the top and a snap ring groove is disposed within an inner surface wall of the clutch hub below the first annular lip;
- a non-slotted lower damper thrust washer disposed within the interior of the hub and seated on the bottom;
- a damper hub seated on the lower damper thrust washer, the damper hub being a cylindrical member having a central opening, an inner surface facing the central opening, an opposing outer surface, a top surface and a bottom surface such that a second annular lip encircles the top surface and is inwardly directed partially into the central opening and a third annular lip encircles the bottom surface and is inwardly directed partially into the central opening and such that a series of radially disposed openings are disposed within the damper hub and extend between the inner surface and the outer surface and allow fluid to flow therethrough;
- a non-slotted upper damper thrust washer seated on the damper hub;
- a damper pressure plate having an open annular groove, the damper pressure plate seated on the upper damper thrust washer and seated within the snap ring groove;
- and
- a damper waved spring seated within the open annular groove of the damper pressure plate and biasing against the annular lip thereby placing pressure onto the damper pressure plate.
4 more elements
Dependencies are inferred from the claim text.