Partial flow filter system for an automatic power transmission m

Details Partial flow filter system for an automatic power transmission m Partial flow filter system for an automatic power transmission m

1992-10-29

1994-05-24

Drodge, Joseph W.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

74467, 184 624, 210171, 210335, 2104165, 475159, B01D 2960, B01D 2956, B01D 35147

Patent

active

053146166

ABSTRACT:
A fluid filter system for use with a positive displacement pump in an automatic power transmission having a main filter located on the suction side of the power transmission pump and an auxiliary bypass filter located on the pressure side of the pump wherein provision is made for controlling the fluid flow through the auxiliary filter whereby bypass flow path through the auxiliary filter is decreased when the flow demand on the pump is increased, the auxiliary filter being adapted to filter small particle sizes and the main filter being adapted to filter and to retain larger particles.

REFERENCES:
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patent: 4496460 (1985-01-01), Haarstad et al.
patent: 4637281 (1987-01-01), Vanselous
patent: 4665770 (1987-05-01), Vanselous
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patent: 4978328 (1990-12-01), Pierce
patent: 4995971 (1991-02-01), Droste et al.
patent: 5081886 (1992-01-01), Person et al.
patent: 5083481 (1992-01-01), Smith et al.
patent: 5091078 (1992-02-01), Ogawa
patent: 5127287 (1992-07-01), Taniguchi et al.

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