Cooling or heating with multi-pass fluid flow

Refrigeration – Processes – Treating an article

Reexamination Certificate

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Details

C062S374000, C062S380000, C198S952000

Reexamination Certificate

active

11123906

ABSTRACT:
Apparatus and methods for cooling or heating product by passing it through a tunnel in which gaseous heat transfer medium such as cryogen vapor or steam is impinged toward the product and then drawn away from the product in a manner that minimizes intersection with impinging medium.

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