METHOD AND APPARATUS FOR GAS FLOW CONTROL IN A CRYOGENIC FREEZER

Method and apparatus for controlling gaseous cryogen flow through a continuous tunnel type freezer (10) wherein the cryogen and product to be frozen travel in counterflow heat exchange relation to minimize egress of cryogen from, or ingress of ambient air into the product discharge opening (34) in t...

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Bibliographische Detailangaben
1. Verfasser: KLEE, DAVID JEAN
Format: Patent
Sprache:eng
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Zusammenfassung:Method and apparatus for controlling gaseous cryogen flow through a continuous tunnel type freezer (10) wherein the cryogen and product to be frozen travel in counterflow heat exchange relation to minimize egress of cryogen from, or ingress of ambient air into the product discharge opening (34) in the freezer (10).