Fluid-delivering system
US5137061A · kind A · utility
9Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1986 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Dec 19, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F13/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The water supply pump for a carbonator of a post-mix beverage dispenser is provided with a differential pressure valve which, when the pump is in operation and there is a pressure difference that is below the normal delivery pressure drop between the pump intake and discharge sides, opens a vent valve located on the pump discharge side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.