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Class Information
Number: 137/170.1
Name: Fluid handling > Diverse fluid containing pressure systems > Foam control in gas charged liquids
Description: Apparatus in which the fluids comprise a liquid and a gas which has been intentionally and desirably entrained in the liquid to form a mixture which is subject to frothing under certain conditions and having means for preserving or modifying the pressure of gas in the mixture, thereby controlling the amount of froth released, retained or formed in the handling of the mixture.










Sub-classes under this class:

Class Number Class Name Patents
137/170.2 Level or pressure responsive 7
137/170.3 Separate handling of foam 4
137/170.4 With conditioning trap or chamber 2


Patents under this class:

Patent Number Title Of Patent Date Issued
8678247 Creamy foam beer dispensing system Mar. 25, 2014
8671999 Foam retainer Mar. 18, 2014
8329764 Defoaming method Dec. 11, 2012
7784651 Foam throttle Aug. 31, 2010
7306776 Method and an apparatus for processing flue gas scrubber material flows Dec. 11, 2007
7244770 Method for evaluating an optimal dosage of defoamers in a fermentation process Jul. 17, 2007
6478200 Beverage dispense device Nov. 12, 2002
5538028 Throttling and diffusing dispensing valve Jul. 23, 1996
5370283 Flow controller for carbonated beverages Dec. 6, 1994
5365830 Assembly for the domestic making of a fermented beverage under chilled pressure conditions Nov. 22, 1994
5251789 In-home drink dispenser Oct. 12, 1993
5235901 Method and apparatus for making a fermented beverage Aug. 17, 1993
5211313 Dispensing taps May. 18, 1993
5062548 Beverage dispensing system Nov. 5, 1991
5029733 Beverage dispensing system Jul. 9, 1991
4748998 Shut-off valve, especially for pressurized carbonated liquids in automatic beverage dispensers or the like Jun. 7, 1988
4708176 Riser for drawing off liquids Nov. 24, 1987
4031913 Froth formation limiter for drawings-off device of carbon dioxide containing beverages Jun. 28, 1977
3979192 Control of foam generation in gas-liquid separation towers Sep. 7, 1976











 
 
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