Patent · US Expired

Cooling process and refrigerated container

US5172558A · kind A · utility

8Cited by
13References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 1991
Grant dateDec 22, 1992
Priority date
Expiry dateFeb 4, 2011

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25D16/00
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

The invention relates to a cooling process and to a refrigerated container into which nitrogen is delivered, which nitrogen is transported in liquid form in containers with the refrigerated container, at least one cooling system being provided in order to cool the atmosphere of the refrigerated container (1). According to the invention it is provided that the atmosphere is circulated via the cooling system (3) for periods of time given by a control means (13) by at least one blower (44), and that at least one means (6,7,7') for warming the nitrogen before supplying it into the cool room (40), of the refrigerated container (1) is provided, by means of which the nitrogen can be warmed to a temperature substantially corresponding to the temperature within the cool room (40), preferably being only slightly lower than this temperature.

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