Valve apparatus for compensating centrifugal forces

Details Valve apparatus for compensating centrifugal forces Valve apparatus for compensating centrifugal forces

2007-01-23

2007-01-23

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Control by change of position or inertia of system

With second control

C137S056000, C192S1030FA

Reexamination Certificate

active

10871760

ABSTRACT:
A control valve apparatus for a rotating clutch includes a valve having a spool portion and a mass portion. The spool portion provides a control function to distribute pressure from a static source to a chamber of the clutch. The valve also has a mass associated therewith which is responsive to rotation of the clutch and valve apparatus such that the apply pressure and the centrifugal effective pressure operating on the valve and the mass centrifugal force is compensated for to maintain the pressure at a specific radius of the clutch equal to the static apply pressure of the pressure source independent of rotation speed.

REFERENCES:
patent: 3352395 (1967-11-01), Hilpert
patent: 3358796 (1967-12-01), Hilpert
patent: 3556271 (1971-01-01), Hilpert
patent: 3680398 (1972-08-01), Schneider
patent: 4308940 (1982-01-01), Cadee

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