Beverage dispensing device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 29, 2011
Grant Date -
Nov 26, 2009
app pub date -
May 21, 2008
filing date -
May 21, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A beverage dispensing device using a pressure regulator to maintain the pressure inside the beverage container as the beverage is dispensed is disclosed. The pressure regulator includes a second chamber separate from the space containing the beverage. The second chamber contains a sorbent on which a propellant gas is adsorbed. The pressure inside the beverage container controls the opening and closing of a flow regulator that allows either the beverage being dispensed or a displacing agent contained in a third chamber to flow into the second chamber when the pressure in the beverage container is decreased. If either the beverage or the displacing agent flow into the second chamber, it will liberate the propellant gas adsorbed to the sorbent, and the gas is released through an outlet into the beverage container. This increases the pressure in the beverage, which in turn closes the flow regulator and stops the liberation of the propellant gas from the sorbent. This process is repeated as the beverage is being dispensed to maintain the pressure of the beverage inside the dispenser.
First Claim
Other Claims data not available
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 5 Citation Count
- B65D Class
- 3.89 % this patent is cited more than
- 14 Age
