System for monitoring the operation of an evaporator unit
US5677677A · kind A · utility
12Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1995 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Apr 21, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B49/005
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The difference between the temperature of a heat exchange medium leaving the evaporator unit of a chiller and the temperature of the refrigerant in the evaporator unit is monitored relative to a real time alarm limit for this temperature difference. The real time alarm limit is computed from time to time by a microprocessor. The value of the computed alarm limit will vary with the cooling load being experienced by the chiller's evaporator unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.