Cooler
US5937657A · kind A · utility
1Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 1997 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Sep 22, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B9/02
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A controller is provided for controlling the operation of a Joule-Thomson cooler. When the cooler has cooled down to its operating temperature, the rate of gas flow to the cooler is controlled as a function of the ambient temperature in order to maintain the gas flow at a minimum level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.