Cooling or freezing articles
US4075869A · kind A · utility
15Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1976 |
| Grant date | Feb 28, 1978 |
| Priority date | — |
| Expiry date | Jan 27, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D3/11
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An apparatus for cooling or freezing articles in which the articles are moved through a tunnel and are contacted successively by a vaporized cryogenic medium and liquid cryogenic medium. Jets of pressurized gas are introduced into the gas contacting zone to cause turbulence in flow of vaporized cryogenic medium through that zone. FIELD OF THE INVENTION
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.