Solid state pressure detector for beverage dispensers
US5757667A · kind A · utility
51Cited by
22References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 1996 |
| Grant date | May 26, 1998 |
| Priority date | — |
| Expiry date | May 10, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67D1/1247
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A beverage dispenser with an out of syrup detector is described. The detector analyzes the electrical current drawn by a solenoid valve controlling the flow of syrup. Parameters of the current are compared to known parameters indicative of proper back pressure and known parameters indicative of an out of syrup condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.