Full flow/bypass filter assembly

Details Full flow/bypass filter assembly Full flow/bypass filter assembly

1995-11-01

1997-09-09

Walker, W. L.

Liquid purification or separation

Diverse distinct separators

Including a filter

210352, 210357, 210359, 210488, 210492, 210DIG13, B01D 2714

Patent

active

056652313

ABSTRACT:
A filter of the type having first annular filter media comprising a generally columnar stack of annular filter media lamina for providing filtration for one circuit, a harness for retaining the filter media lamina in stacked columnar alignment comprising a generally circular end piece having a diameter somewhat greater than the diameter of the filter media lamina engaging one end lamina, an annular portion engaging the opposite end lamina, a plurality of elongated strips integral with and extending from the periphery of the annular portion with the end piece receiving and retaining the free ends of the elongated strips. There is a second filter media providing filtration for another circuit. The two filter media are housed adjacent to one another in a hollow cylindrical shell closed at one end. An annular retainer is integral with the shell near the other shell end for engaging the second media and retaining both media axially within the shell. The annular retainer has a plurality of apertures for providing a inlet to the common path. A grommet defines an intermediate generally annular path from within the annulus of the second media to the end of the cylindrical shell opposite the closed one end. The grommet cooperates with a base member when installed thereon to isolate the inlet, common path, annular path and central path each from the other.

REFERENCES:
patent: 1867137 (1932-07-01), Carver
patent: 2495095 (1950-01-01), Ewbank
patent: 2856076 (1958-10-01), Whipple
patent: 3481472 (1969-12-01), Petri
patent: 3674084 (1972-07-01), Martin
patent: 5447627 (1995-09-01), Loafsman et al.

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