Liquid purification or separation – Flow – fluid pressure or material level – responsive – Vent control
Patent
1988-04-14
1989-08-29
Fisher, Richard V.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Vent control
210136, 210137, 210436, 210472, 55213, 55310, 55417, 553854, 251214, 251288, 251324, B01D 2710, B01D 3514
Patent
active
048614661
ABSTRACT:
A pressure filter assembly having a bleed valve assembly for releasing trapped gas from with the filter chamber in a controlled manner. The bleed valve assembly includes a stem secured to the filter assembly having a bore therethrough for communication with the filter chamber and a cap for controlling the release of trapped gas within the filter chamber. The cap has a plunger with a contact surface which mates with a portion of the inside surface of the stem bore and an extension which fits with a narrow portion of the bore.
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Leoncavallo Richard A.
Mehra Ravinder C.
Phillips Gregory R.
Fisher Richard V.
Millard Wanda L.
Nalge Company
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