Suction filter for an automatic transmission

Details Suction filter for an automatic transmission Suction filter for an automatic transmission

2011-01-25

2011-01-25

Cecil, Terry K (Department: 1772)

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

C210S472000

Reexamination Certificate

active

07875171

ABSTRACT:
A filter assembly includes a filter housing including an inlet, through which hydraulic fluid enters the housing, and an outlet, through which hydraulic fluid exits the housing, valve housing containing a bypass valve located adjacent the inlet in a chamber, the valve including an orifice that opens and closes in response to differential pressure across the valve, and a screen secured to the valve housing and covering the orifice, the screen having a fine mesh for removing contaminants from the fluid that flows through the valve.

REFERENCES:
patent: 6582593 (2003-06-01), Wolford et al.
patent: 6648146 (2003-11-01), Beer et al.
patent: 6911141 (2005-06-01), Stamey et al.
patent: 2003/0132147 (2003-07-01), Rosendahl et al.
patent: 2005/0087481 (2005-04-01), Boast et al.
patent: 2005/0098508 (2005-05-01), Caldwell
patent: 2006/0180541 (2006-08-01), Hueppchen et al.

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