Cooling load enclosed in pulse tube cooler
US7174721B2 · kind B2 · utility
3Cited by
19References
14Claims
0Family size
Inventor
Key dates
| Filing date | Mar 26, 2004 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Jun 24, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2309/1424
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A cooling load 90 is enclosed within the envelope of the pressure vessel that contains the working fluid in a pulse tube cooler in a load space 95 adjacent to a regenerator 58 of that pulse tube cooler. Flow-smoothing means 63, which include stacked screens and perforated plates, or diffuser nozzle 104 or diffuser cone 106, spreads the flow of fluid that enters the cold end of pulse tube 66.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.