Portable water filter and valve assembly

Details Portable water filter and valve assembly Portable water filter and valve assembly

1994-05-26

1996-09-24

Walker, W. L.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

210133, 210134, 210136, 2104163, 210464, 137149, 137151, B01D 2710

Patent

active

055587623

ABSTRACT:
A water filter including an inlet assembly which comprises a prefiltering foam tip. The inlet hose includes an adjustable float and a weight on the end of the hose which allows a given length at the end of the inlet hose to extend below the surface of the water being filtered. The water filter further includes a check valve assembly to relieve pressure buildup inside the pump. A unique lever-action handle, in combination with a rocking piston, allows efficient filtering with few moving parts. The filter components are easily replaceable. The main filter assembly is suspended resiliently at its periphery to provide shock-absorbing characteristics. The filter also includes an adaptor base which allows for a direct connect between the vessel into which water is filter. The water filter also provides a unique method of storing the inlet hose to render the water filter easy to carry and prevent foreign objects and debris from entering into the area of working parts.

REFERENCES:
patent: 1566426 (1925-10-01), Coop
patent: 2473986 (1949-06-01), Booth
patent: 2955712 (1960-10-01), Gutkowski
patent: 3460805 (1969-08-01), Kudlaty
patent: 3628662 (1971-12-01), Kudlaty
patent: 4142973 (1979-03-01), Kachman
patent: 4276163 (1981-06-01), Gordon
patent: 4316801 (1982-02-01), Cooper
patent: 4534713 (1985-08-01), Wanner
patent: 4556484 (1985-12-01), Hunter et al.
patent: 5366642 (1994-11-01), Platter et al.

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