Liquid dispensing systems encompassing gas removal
US8336734B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2007 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Dec 29, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/313
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Systems are described for delivery of a wide variety of materials in which liquid and gas or vapor states are concurrently present, from a package preferably including a fluid-containing collapsible liner. Headspace gas is removed from a pressure dispensing package prior to liquid dispensation therefrom, and ingress gas is removed thereafter during dispensation operation. At least one sensor senses presence of gas or a gas-liquid interface in a reservoir or gas-liquid separation region. A gas removal system including an integral reservoir, at least one sensor, and at least one flow control elements may be included within a connector adapted to mate with a pressure dispensing package, for highly efficient removal of gas from the liquid being dispensed from the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.