Filter assembly with O-ring protection

Details Filter assembly with O-ring protection Filter assembly with O-ring protection

1996-04-24

1997-08-05

Therkorn, Ernest G.

Liquid purification or separation

With repair or assembling means

210236, 210249, 210282, 210444, 210450, B01D 2708

Patent

active

056538715

ABSTRACT:
The present invention includes a liquid filtering filter head configured to receive a filter cartridge closure member, where the closure member has at least one seal member. The filter head has a generally cylindrical, inverted cup-like structure defining a chamber configured to receive the closure member and two openings in fluid communication with the chamber. Furthermore, the filter head features a guide for guiding a seal member as the closure member is inserted into the chamber, so that the seal member is prevented from becoming caught in the openings.

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patent: Re34274 (1993-06-01), Foust
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patent: 4904382 (1990-02-01), Thomsen
patent: 4956086 (1990-09-01), Thomsen
patent: 5022986 (1991-06-01), Lang
patent: 5114572 (1992-05-01), Hunter
patent: 5354464 (1994-10-01), Slovak et al.

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