Transmission sump filter with bypass valve

Details Transmission sump filter with bypass valve Transmission sump filter with bypass valve

2005-12-06

2005-12-06

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

C210S132000, C210S149000, C210S167150, C210S171000, C210S416500, C210S445000, C210S455000

Reexamination Certificate

active

06972087

ABSTRACT:
A filter (10) for filtering debris out of the fluid in a transmission sump (S) prior to the fluid entering a transmission pump (P) is disclosed. The filter (10) includes a filter housing (12) presenting a filter inlet (30), a bypass inlet (32), and an outlet (46). Filter media (14) is disposed in the housing (12) such that fluid flowing from the filter inlet (30) to the outlet (46) passes through the media (14) and fluid flows from the bypass inlet (32) to the outlet (46) without passing through the media (14). A bypass valve assembly (16), shiftable into and out of a closed position, prevents fluid flow through the bypass inlet (32) when the valve (16) is closed.

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patent: 2-78408 (1990-03-01), None

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