Counter top water filter with replaceable electronic display mon

Details Counter top water filter with replaceable electronic display mon Counter top water filter with replaceable electronic display mon

1997-05-12

2000-02-15

Woo, Jay H.

Liquid purification or separation

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

Responsive to fluid flow

210232, 210244, 210282, 2104163, 210441, 210446, B01D 3500

Patent

active

06024867&

ABSTRACT:
A counter top water filter unit intended for domestic use to be placed adjacent to a sink and having an inlet at its lower end which is coupled to the sink faucet. The filter unit includes a cylindrical-shaped carbon particle filter cartridge which has a longitudinal passage extending from one end to the other, and a removable pre-filter screen coaxial with the cartridge and surrounding the cartridge, both elements being removably mounted within a cylindrical filter housing, the housing being closed at its upper end and open at its lower end. A replaceable electronic display monitor unit is mounted in an outlet housing fitted to the top of the cylindrical filter housing. The state of the life-span of the filter cartridge is shown on the display monitor in terms of colored indicator lights which denote whether the filter cartridge is within, nearing an end to, and outside its expected life-span.

REFERENCES:
patent: 3342340 (1967-09-01), Shindell
patent: 4218317 (1980-08-01), Kirschmann
patent: 5032268 (1991-07-01), Hahn
patent: 5089144 (1992-02-01), Ozkahyaoglu et al.
patent: 5108599 (1992-04-01), Lowery
patent: 5252206 (1993-10-01), Gonzalez
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patent: 5328597 (1994-07-01), Boldt, Jr. et al.
patent: 5510031 (1996-04-01), Knauf, Jr. et al.
patent: 5656160 (1997-08-01), Parise et al.
patent: 5676824 (1997-10-01), Jeon et al.

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