Liquid purification or separation – Filter – With flow controller for material being treated
Patent
1994-06-21
1996-10-01
Savage, Matthew O.
Liquid purification or separation
Filter
With flow controller for material being treated
210432, 210488, 137547, B01D 3502
Patent
active
055608256
ABSTRACT:
An edge filter for use with a variable-displacement pump control is disclosed. The edge filter comprises a first portion disposed between a source of hydraulic actuating fluid and an orifice having a first flow area. The first portion has an outer circumference defining a radial gap within a bore. The gap has a predetermined gap width less than a diameter of the orifice.
REFERENCES:
patent: Re33270 (1990-07-01), Beck et al.
patent: 1919408 (1933-07-01), Work
patent: 4823552 (1989-04-01), Ezell et al.
patent: 4934143 (1990-06-01), Ezell et al.
patent: 5191867 (1993-03-01), Glassey
patent: 5213083 (1993-05-01), Glassey
Caterpillar Inc.
Gossett Dykema
Hinman Kevin M.
Savage Matthew O.
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