Cold-gas refrigerator
US3991585A · kind A · utility
25Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 5, 1974 |
| Grant date | Nov 16, 1976 |
| Priority date | — |
| Expiry date | Dec 5, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2309/001
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cold-gas refrigerator of the type in which the displacer is driven by pressure fluctuations generated in the working medium, the piston being coupled to an a.c. supplied linear actuator; the system formed by piston/armature coil assembly of the actuator and working medium resonates at a frequency which is tuned to the alternating current frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.