Flow enhanced tunnel freezer
US6877327B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2003 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Aug 15, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2500/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Food products are frozen or cooled within a housing chamber defined by side walls between an ceiling and floor and having a cryogen supply, a food products conveyor extending into the chamber disposed between the ceiling and floor, by transporting the food products on the conveyor; the chamber containing at least one impingement hood disposed above the conveyor; the impingement hood including a shell including a top, opposed edges and opposed side walls supporting an impinger containing openings. Gas and solid or liquid cryogen are mixed within the impingement hood, the mixture of gas and cryogen are directed to the impinger, and impingement jets of the mixture are directed through an impingement plate onto the food products transported on the conveyor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.