Exhaust system for a cryogenic freezer
US5605049A · kind A · utility
10Cited by
11References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1993 |
| Grant date | Feb 25, 1997 |
| Priority date | — |
| Expiry date | Feb 25, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D3/11
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Method and apparatus for controlling removal of gaseous cryogen from a continuous tunnel type freezer wherein the cryogen and product to be frozen travel in counterflow heat exchange relation to minimize ambient atmosphere moving into the tunnel and out of the exhaust system with the exhausted gaseous cryogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.