Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing
Patent
1996-03-25
1998-06-16
Ferensic, Denise L.
Fluid handling
With cleaner, lubrication added to fluid or liquid sealing...
Cleaning or steam sterilizing
13762532, 13750518, 13750546, 13750541, F16K 1100
Patent
active
057655880
ABSTRACT:
A fluid flow control device particularly useful as a pressure regulator in a water supply system for poultry or other animals, includes a valve member movable towards and away from a valve opening in the housing to control the flow therethrough; a first diaphragm exposed to the outlet pressure producing a force tending to move the valve member towards the valve opening; a spring producing a force tending to move the valve member away from the valve opening; and a second diaphragm having an effective surface area exposed to the inlet pressure which is substantially the same as the effective surface area of the movable valve member exposed to the inlet pressure so as to substantially balance the forces produced by the inlet pressure on the valve member.
REFERENCES:
patent: 476755 (1892-06-01), Mills
patent: 2707966 (1955-05-01), Taplin
patent: 2960107 (1960-11-01), Falconer
patent: 4344456 (1982-08-01), Hostetler
patent: 5139050 (1992-08-01), Otto
patent: 5186209 (1993-02-01), McManigal
patent: 5358004 (1994-10-01), Atkinson
patent: 5429072 (1995-07-01), Schumacher
Barish Benjamin J.
Farid Ramyar
Ferensic Denise L.
Plasson Maagon Michael Industries Ltd.
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