Beverage dispensing device
US8066156B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 2008 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | May 7, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/44
- WIPO fieldHandling
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.