FR2176731B1 - - Google Patents

Info

Publication number
FR2176731B1
FR2176731B1 FR7308831A FR7308831A FR2176731B1 FR 2176731 B1 FR2176731 B1 FR 2176731B1 FR 7308831 A FR7308831 A FR 7308831A FR 7308831 A FR7308831 A FR 7308831A FR 2176731 B1 FR2176731 B1 FR 2176731B1
Authority
FR
France
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
FR7308831A
Other languages
French (fr)
Other versions
FR2176731A1 (cs
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2176731A1 publication Critical patent/FR2176731A1/fr
Application granted granted Critical
Publication of FR2176731B1 publication Critical patent/FR2176731B1/fr
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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/12—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using 3He-4He dilution

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
FR7308831A 1972-03-17 1973-03-13 Expired FR2176731B1 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7203556A NL7203556A (cs) 1972-03-17 1972-03-17

Publications (2)

Publication Number Publication Date
FR2176731A1 FR2176731A1 (cs) 1973-11-02
FR2176731B1 true FR2176731B1 (cs) 1976-11-05

Family

ID=19815630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7308831A Expired FR2176731B1 (cs) 1972-03-17 1973-03-13

Country Status (6)

Country Link
US (1) US3896630A (cs)
JP (1) JPS4912439A (cs)
DE (1) DE2308223A1 (cs)
FR (1) FR2176731B1 (cs)
GB (1) GB1382376A (cs)
NL (1) NL7203556A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7713951A (nl) * 1977-12-16 1979-06-19 Philips Nv Superlek.
NL7902014A (nl) * 1979-03-14 1980-09-16 Philips Nv 3he-4he verdunningskoelmachine.
DE3271522D1 (en) * 1982-03-23 1986-07-10 Ibm Method and dilution refrigerator for cooling at temperatures below 1k
US4770006A (en) * 1987-05-01 1988-09-13 Arch Development Corp. Helium dilution refrigeration system
US5172554A (en) * 1991-04-02 1992-12-22 The United States Of America As Represented By The United States Department Of Energy Superfluid thermodynamic cycle refrigerator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB945223A (en) * 1961-09-22 1963-12-23 Atomic Energy Authority Uk Improvements in or relating to refrigerators
GB1117246A (en) * 1966-03-16 1968-06-19 Atomic Energy Authority Uk Improvements in or relating to refrigerators operating at very low temperatures
US3447333A (en) * 1967-03-17 1969-06-03 California Inst Res Found Helium film refrigerator
NL6705713A (cs) * 1967-04-22 1968-10-23
NL6807903A (cs) * 1968-06-05 1969-12-09
CH515452A (de) * 1968-06-05 1971-11-15 Philips Nv Vorrichtung zum Transportieren von Wärme von einem niedrigeren zu einem höheren Temperaturniveau
NL6807902A (cs) * 1968-06-05 1969-12-09

Also Published As

Publication number Publication date
US3896630A (en) 1975-07-29
NL7203556A (cs) 1973-09-19
JPS4912439A (cs) 1974-02-02
DE2308223A1 (de) 1973-09-20
FR2176731A1 (cs) 1973-11-02
GB1382376A (en) 1975-01-29

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Legal Events

Date Code Title Description
ST Notification of lapse