GAS MIXING AND SUPPLY APPARATUS FOR DISPENSING OF BEVERAGES: MIXED GASES SUPPLIED AT A CONSTANT COMPOSITION AND WITHIN A PREDETERMINED PRESSURE RANGE

N2 and CO2 are admitted, through separate valves actuated by single high hysteresis actuator, into a mixing device whence the mixture is fed to a beer keg. The actuator operating is dependant upon the relative CO2/N2 mixture pressures so as to maintain the mixture pressure within predetermined limit...

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Bibliographische Detailangaben
1. Verfasser:	WATES, M J
Format:	Patent
Sprache:	eng
Schlagworte:	BOTTLES, JARS OR SIMILAR CONTAINERS DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISEPROVIDED FOR LIQUID HANDLING MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING OPENING, CLOSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	N2 and CO2 are admitted, through separate valves actuated by single high hysteresis actuator, into a mixing device whence the mixture is fed to a beer keg. The actuator operating is dependant upon the relative CO2/N2 mixture pressures so as to maintain the mixture pressure within predetermined limits and in one embodiment the use of a venturi mixing device ensures that the mixture composition remains substantially constant when the N2 and CO2 gases are at substantially different pressure.