Filter cartridge with pressure relief valve

Details Filter cartridge with pressure relief valve Filter cartridge with pressure relief valve

2008-11-10

2010-12-21

Cecil, Terry K (Department: 1797)

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Transparent

C210S130000, C210S132000

Reexamination Certificate

active

07854837

ABSTRACT:
A filter cartridge includes a substantially cylindrical filter media and a pressure relieving structure. The filter media is adapted to allow fluid to pass from an exterior of the filter media to an interior space of the filter media. The pressure relieving structure is disposed at an upper end of the filter media, and the pressure relieving structure opens when a predetermined pressure level is established across the filter media to maintain the predetermined pressure across the filter media.

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