Ice bank control system for beverage dispenser
US5022233A · kind A · utility
19Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1989 |
| Grant date | Jun 11, 1991 |
| Priority date | — |
| Expiry date | Sep 1, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D21/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An ice bank control system for a beverage dispenser having a mechanical refrigeration system including an inexpensive solid state sensor, preferably a thermistor, located in the ice water bath adjacent to the evaporator coil and connected to a control circuit including a microprocessor which not only controls the ice bank, but also protects the compressor motor. The resistance of the thermistor is measured and then compared to a reference value previously stored in the microprocessor memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.