Beverage dispenser pump system with pressure control device
US4779761A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 1987 |
| Grant date | Oct 25, 1988 |
| Priority date | — |
| Expiry date | Mar 12, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67D2210/00125
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In a post-mix beverage dispenser in which the concentrate is metered (or portioned) by a positive displacement metering pump having check valves, the improvement of a pressure control device for pressurizing the outlet line from the pump to prevent "blow-thru" of pressurized concentrate through the check valves of the pump, whereby the dispenser can be inexpensively used with a pressurized concentrate source. In addition, a post-mix beverage dispensing system including such metering pump and pressure control device and also including a pressurized canister holding pliable 5+1 juice concentrate at a temperature below 32.degree. F., and a heater for heating the concentrate in the concentrate line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.