Refrigerant expansion device with means for capturing condensed contaminants to prevent blockage
US4738122A · kind A · utility
3Cited by
18References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1986 |
| Grant date | Apr 19, 1988 |
| Priority date | — |
| Expiry date | Dec 29, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87981
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A refrigerant expansion device such as a Joule-Thomson expander has a surface with grooves or recesses which capture contaminants that condense from the refrigerant flow in the device, thereby avoiding blockage of the device by the condensed contaminants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.