Lubrication control device

Details Lubrication control device Lubrication control device

2005-01-18

2005-01-18

Fenstermacher, David (Department: 3682)

Lubrication

Systems

With measuring or metering value system

C184S006120

Reexamination Certificate

active

06843348

ABSTRACT:
An automatic transmission is comprised of a housing and a hub rotatable about a shaft at differing speeds and having an axial assembly gap therebetween. The axial assembly gap defines an annular flow path in fluid communication with a source lubrication path and a lubrication-requiring mechanism. A lubrication control device is disposed in the annular flow path. The device includes a washer in constant contact with the housing and having a radial slot to permit a prescribed flow of lubricant through the annular flow path to the lubrication-requiring mechanism. The device further includes a belleville spring wherein a small diameter end is in contact with the hub and a large diameter end is piloted by a seating on the washer, wherein the belleville spring provides spring adjustability to accommodate the variable axial assembly gap.

REFERENCES:
patent: 4635489 (1987-01-01), Imamura et al.
patent: 4790213 (1988-12-01), Lasoen
patent: 5188576 (1993-02-01), Maguire et al.
patent: 5830098 (1998-11-01), Kimes
patent: 6398509 (2002-06-01), Okazaki et al.

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