FR2036564A5 - Keeping oxygen content at safe level in encl- - osure cooled cryogenically - Google Patents

Keeping oxygen content at safe level in encl- - osure cooled cryogenically

Info

Publication number
FR2036564A5
FR2036564A5 FR6908695A FR6908695A FR2036564A5 FR 2036564 A5 FR2036564 A5 FR 2036564A5 FR 6908695 A FR6908695 A FR 6908695A FR 6908695 A FR6908695 A FR 6908695A FR 2036564 A5 FR2036564 A5 FR 2036564A5
Authority
FR
France
Prior art keywords
oxygen content
osure
encl
safe level
keeping oxygen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR6908695A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
Original Assignee
Air Liquide SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Liquide SA filed Critical Air Liquide SA
Priority to FR6908695A priority Critical patent/FR2036564A5/en
Application granted granted Critical
Publication of FR2036564A5 publication Critical patent/FR2036564A5/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
    • F25D3/105—Movable containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/001—Arrangement or mounting of control or safety devices for cryogenic fluid systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

Oxygen content is kept above a preset level in the atmosphere of a non-open closure cooled by the injection and vaporisation of at least one cryogenic liquid which cannot sustain life but can be breathed as a gas. Simultaneously with the injection of cryogenic liquid(s), a gas mixture containing O2 is blown in: pref. at ambient temp., and comprising atmospheric air, the cryogenic liquid is N2.
FR6908695A 1969-03-25 1969-03-25 Keeping oxygen content at safe level in encl- - osure cooled cryogenically Expired FR2036564A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6908695A FR2036564A5 (en) 1969-03-25 1969-03-25 Keeping oxygen content at safe level in encl- - osure cooled cryogenically

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6908695A FR2036564A5 (en) 1969-03-25 1969-03-25 Keeping oxygen content at safe level in encl- - osure cooled cryogenically

Publications (1)

Publication Number Publication Date
FR2036564A5 true FR2036564A5 (en) 1970-12-24

Family

ID=9031207

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6908695A Expired FR2036564A5 (en) 1969-03-25 1969-03-25 Keeping oxygen content at safe level in encl- - osure cooled cryogenically

Country Status (1)

Country Link
FR (1) FR2036564A5 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0874204A3 (en) * 1997-04-25 1999-08-04 The BOC Group plc Freezer Apparatus
EP0757212A3 (en) * 1995-08-01 1999-12-15 The BOC Group plc Temperature control
EP0836062A3 (en) * 1996-10-09 2000-06-14 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Liquid air food freezer and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0757212A3 (en) * 1995-08-01 1999-12-15 The BOC Group plc Temperature control
EP0836062A3 (en) * 1996-10-09 2000-06-14 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Liquid air food freezer and method
EP0874204A3 (en) * 1997-04-25 1999-08-04 The BOC Group plc Freezer Apparatus

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