Electronic expansion valve control system
US6321549A · kind A · utility
48Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2000 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Apr 14, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A process and method for monitoring and selectively controlling the capacity and operating conditions of a refrigeration unit is disclosed. Specifically, the present invention includes the adjustment of the electronic expansion valve, and the compressor cylinder banks through the adjustment of desired superheat levels in order to bring a transport refrigeration unit within desired operating conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.