Liquid and entrained air filter

Details Liquid and entrained air filter Liquid and entrained air filter

1993-07-14

1995-01-17

Dawson, Robert A.

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

210472, 21049701, B01D 3501

Patent

active

053823613

ABSTRACT:
A filter element for liquids has an outer casing within which is located a central tube. A filter medium is located between the casing and the tube. Liquid enters the medium through apertures in an upper end plate and the filtered liquid leaves the medium by way of apertures in a lower end plate. Mounted in the lower portion of the central tube is a further tube through which the filtered liquid can flow into the upper portion of the central tube. The upper end of the further tube is joined by a wall to the central tube and air which passes through the filter medium collects in a dead space defined between the tubes. An air bleed orifice formed in the wall allows the air to pass at a controlled rate into the filtered fuel flowing in the central tube.

REFERENCES:
patent: 2310305 (1937-12-01), Miller et al.
patent: 3239064 (1966-03-01), White
patent: 3695443 (1972-10-01), Schmidt, Jr.
patent: 3701424 (1972-10-01), Brown et al.
patent: 4602605 (1986-07-01), Adkins
patent: 4684463 (1987-08-01), Mizusawa
patent: 4828698 (1989-05-01), Jewell et al.
patent: 4865632 (1989-09-01), Yano et al.
patent: 4878924 (1989-11-01), Yano et al.
patent: 5030345 (1991-07-01), Thomas
French Search Report And Annex.

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