Dripless purification manifold and cartridge

Details Dripless purification manifold and cartridge Dripless purification manifold and cartridge

1996-08-08

1998-05-19

Drodge, Joseph W.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Discharge of treated material

210136, 210234, 210235, 210282, 210443, B01D 2710, B01D 35153

Patent

active

057531072

ABSTRACT:
A cartridge based water purification and filtration system which permits cartridge changes without drainage at the input and output ports. Interlocking flanges at the manifold and cartridge lock the cartridge to the manifold and raised surfaces at the cartridge operate the inlet valve with a rotational seating of the cartridge. A spring biased inlet valve depends from a supply manifold input port and cooperates with the filter cartridge to prevent forward flow until the cartridge is seated to the manifold. The check valve includes a split stem which prevents chatter with valve operation. A check valve at the output port cooperates with a sealed bayonet fitting that mates to a concentric outlet port at the cartridge to prevent back flow with cartridge removal.

REFERENCES:
patent: 3746171 (1973-07-01), Thomsen
patent: 4515692 (1985-05-01), Chandler et al.
patent: 4877521 (1989-10-01), Petrucci et al.
patent: 4915831 (1990-04-01), Taylor
patent: 4923601 (1990-05-01), Drori
patent: 5126044 (1992-06-01), Magnusson et al.
patent: 5269919 (1993-12-01), von Medlin
patent: 5328609 (1994-07-01), Magnusson et al.
patent: 5336406 (1994-08-01), Stanford et al.
patent: 5354464 (1994-10-01), Slovak et al.
patent: 5562824 (1996-10-01), Magnusson

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