Patent · US Expired

Cryogenic forced convection refrigerating system

US4726195A · kind A · utility

20Cited by
15References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 22, 1986
Grant dateFeb 23, 1988
Priority date
Expiry dateAug 22, 2006

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25D3/10
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A process and apparatus are set forth for a refrigerating or freezing system wherein liquid cryogen, such as liquid air, is fully vaporized during use to avoid dangers of liquid cryogen pooling, liquid cryogen contact with apparatus surfaces or inadvertent oxygen enrichment.

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