Temperature compensated control valve for automatic transmission

Details Temperature compensated control valve for automatic transmission Temperature compensated control valve for automatic transmission

1987-09-24

1988-08-23

Nilson, Robert G.

Fluid handling

Systems

Head-establishing standpipe or expansion chamber

137468, 138 31, F16K 4700

Patent

active

047653663

ABSTRACT:
A temperature-compensated fluid flow control valve for a valve system of an automatic transmission having a displaceable valve spool which is acted upon by pressure in a valve chamber against the force of a spring and on which an additional force proportional to temperature counteracts the pressure loading, the additional force being produced by the back pressure at an outflow orifice of variable cross-section which is reduced in size as the temperature rises.

REFERENCES:
patent: 2436009 (1948-02-01), Kremiller
patent: 2764998 (1956-10-01), McCuistion
patent: 3985063 (1976-10-01), Lemon
Dupont Catalog; "The Engineering Properties of VITON Fluoroelastomer".

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