Household water filter system

Details Household water filter system Household water filter system

1986-11-28

1988-04-26

Fisher, Richard V.

Liquid purification or separation

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

Transparent

210314, 2104163, 210287, B01D 2310, B01D 2704

Patent

active

047402962

ABSTRACT:
A portable water filter for household use is disclosed, comprising a pair of releasably connected, upper and lower sections. A water faucet is connected by a line having a severe flow restriction to the lower section for discharge into the bottom thereof. The two sections are connected by a threaded collar having an integral wall separating the two sections with aperture means at its center for upward flow of water from the lower to the upper section. Each section contains two filtering materials, one of which in each section is a plurality of nested, cup-shaped, paper filter elements sealed by a mating ring to the interior surface of the respective section. The walls of the sections are transparent to permit viewing of the filter materials, thereby visually indicating the need for filter replacement by the degree of discoloration thereof.

REFERENCES:
patent: 3561602 (1971-02-01), Molitor
patent: 3763879 (1973-10-01), Jaworek
patent: 3815752 (1974-06-01), Hoffman et al.
patent: 3841490 (1974-10-01), Hoffman et al.
patent: 4340470 (1982-07-01), Van Mol
patent: 4368123 (1983-01-01), Stanley
patent: 4595500 (1986-06-01), Galbiati

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