System and method for low side pump down in mobile refrigeration unit
US6619057B2 · kind B2 · utility
6Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Dec 13, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D29/003
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A microprocessor controlled system performs low pressure side pumpdown with the assistance of a service technician. When the refrigerant in the system is transferred to the high pressure side, the low pressure side is available for servicing by the technician.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.