Patent · US Expired

Parallel flow cryogenic freezer

USRE28712A · kind A · utility

1Cited by
7References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 6, 1969
Grant dateFeb 17, 1976
Priority date
Expiry dateAug 6, 1989

Classification

  • Technology area (CPC —)General

Abstract

.Iadd.A cryogenic freezer for freezing products comprising an elongated horizontal tunnel, a conveyor extending therethrough, a liquid cryogenic spray at the outlet end of the conveyor, a plurality of substantially closed gas recirculating flow paths in series relationship along the length of the tunnel and individual fans in each recirculating flow path for causing gas contact with product being conveyed through the tunnel. .Iaddend.

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