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Title: Exhaust control for cryogenic freezer

Patent ·
OSTI ID:6047118

An exhaust system for a cryogenic freezer is set forth wherein the system senses the temperature of an aperture in the freezer to detect any outward passage of cryogenic vapors and based upon that sensing, controllably operates an exhaust fan to remove such cryogenic vapors.

Assignee:
Air Products and Chemicals, Inc.
Patent Number(s):
US 4528819
OSTI ID:
6047118
Resource Relation:
Patent File Date: Filed date 8 May 1984; Other Information: PAT-APPL-608058
Country of Publication:
United States
Language:
English