Fluid handling – Processes – Carbonated beverage handling processes
Patent
1996-05-03
1998-04-14
Ferensic, Denise L.
Fluid handling
Processes
Carbonated beverage handling processes
13762414, 13750513, 222518, 222510, F17D 300
Patent
active
057381364
ABSTRACT:
A fluid pulsator includes a housing containing a fluid reservoir, an inlet port, an outlet port, and a valve assembly biassed to an open position by a predetermined biassing force, the valve assembly includes a surface exposed to the inlet pressure to close the valve assembly when subjected to an inlet pressure greater than the biassing force. An inlet control passageway into the reservoir is dimensioned to produce a flow rate smaller than that in an outlet control passageway from the reservoir. The arrangement is such that upon the application of pressurized fluid to the inlet port larger than the biassing force, the valve assembly is actuated to close the outlet control passageway while the fluid is inletted into the fluid reservoir via said inlet control passageway at a relatively low rate until the pressure in the fluid reservoir builds up to that of the inlet pressure less than that of the biassing force, whereupon the valve assembly is automatically moved to open and to discharge a pulse of the fluid from the fluid reservoir.
REFERENCES:
patent: 2702044 (1955-02-01), Johnston
patent: 2781775 (1957-02-01), Merrill
patent: 4949747 (1990-08-01), Rosenberg
patent: 5144980 (1992-09-01), Rosenberg
patent: 5375739 (1994-12-01), Granfelt
patent: 5474105 (1995-12-01), Able
Barish Benjamin J.
Farid Ramyar
Ferensic Denise L.
Super Disc Filters Ltd.
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