Eccentric interference retention system for a filter cartridge

Details Eccentric interference retention system for a filter cartridge Eccentric interference retention system for a filter cartridge

2005-04-19

2005-04-19

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

With repair or assembling means

C210S249000, C210S443000

Reexamination Certificate

active

06881334

ABSTRACT:
A filter assembly employs radial interference between the received portion of a filter cartridge housing and the receptacle of a base. Radial interference occurs between a tapered end cap of the filter cartridge and a substantially cylindrical inside surface of the base receptacle. The filter cartridge end cap is tapered such that the interference increases as the cartridge is urged into the receptacle by a retaining collar. The tight fit improves resistance to vibration and shock applied to the filter assembly. Metal to metal contact at the interference points also provides a reliable electrical contact between the base and the cartridge to prevent accumulation static charges in the cartridge.

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International Search Report for International Application No. PCT/US03/33345, filed Oct. 21, 2003.

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