Fluidized bed air cooling system
US5222363A · kind A · utility
2Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1992 |
| Grant date | Jun 29, 1993 |
| Priority date | — |
| Expiry date | Mar 11, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G2207/24
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
A method and apparatus for effecting the cooling of a stream of air or gas by sublimation of dry ice particles utilizes an upwardly directed, variable velocity stream of air to maintain a supply of dry ice particles provided on a moving perforated conveyor in a fluidized bed condition to maximize the rate of sublimation of the dry ice particles. The cooled air may then be employed to effect the rapid and efficient freezing of a plurality of food articles passing through the same insulated chamber as the dry ice particle conveyor is located, or an adjacent insulated chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.