Patent · US Expired

Refrigeration apparatus and method of refrigeration

US5121611A · kind A · utility

8Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 25, 1990
Grant dateJun 16, 1992
Priority date
Expiry dateOct 25, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA23B2/8033
  • WIPO fieldFood chemistry
  • WIPO sectorChemistry

Abstract

Refrigeration apparatus for cooling or freezing products such as protein materials includes a drum through which heat transfer fluid is circulated. A belt is wrapped around part of the drum surface and the product to be refrigerated is applied to the drum surface, being pressed thereagainst by the belt. Either liquid or triple point carbon dioxide is circulated through the drum to cool the product in contact therewith. Other heat transfer fluids such as D-Limonene or DOWTHERM may also be circulated through the drum. A tank and related apparatus for cooling the heat transfer fluid is also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.