Liquid filtering apparatus

Details Liquid filtering apparatus Liquid filtering apparatus

1983-03-14

1984-10-16

Fisher, Richard V.

Liquid purification or separation

Filter

Movable medium

210401, B01D 2904

Patent

active

044773501

ABSTRACT:
Apparatus for filtering liquid under pressure through a continuous filtering media is provided. The apparatus includes an elongate filter housing with open ends and a filtering media support is positioned across the housing and extends between the open ends thereof. A supply roll of filter media is located near one end opening and supplies the filtering media through the opening to the support. A takeup roll is located near the other end opening and receives used filter media through the other end opening from the support. A sealing member is provided for each of the end openings to seal the same during a filtering operation. Each sealing member includes a backup plate and a resilient gasket layer which contacts and engages the end of the housing around the opening. A drive unit in the form of a fluid-operated ram includes a piston rod connected to one of the backup plates and a fluid-operated cylinder connected to a transverse supporting bar. Two spaced connecting bars are connected to the transverse bar and extend along sides of the filter housing, where they are movably supported. These bars extend beyond the other end opening where they are connected to a second transverse supporting bar which, in turn, is affixed to the backup plate of the other sealing member. Stops are located near the end openings to limit movement of the sealing members away from the end openings.

REFERENCES:
patent: 3403784 (1968-10-01), Blumberg
patent: 3722682 (1973-03-01), Pistiner
patent: 3731808 (1973-05-01), Rickert
patent: 3933650 (1976-01-01), Lentz
patent: 4263805 (1981-04-01), Isley et al.
patent: 4267060 (1981-05-01), Miller
patent: 4289615 (1981-09-01), Schneider et al.

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