DE2715979

The invention relates to apparatus maintaining extremely low and constant temperatures. The helium 3 (He3) cryostat is disposed inside a portable helium 4 (He4) cryostat which is constituted by a Dewar jar 2 with helium 4 at 6. The helium 3 cryostat comprises an evaporation chamber 11, a reservoir 1...

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Bibliographische Detailangaben
Hauptverfasser:	CHANIN, GERALD, VERRIERES-LE-BUISSON, FR, TORRE, JEAN-PIERRE, HERBLAY, FR
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION OR COOLING REFRIGERATORS STORING OF DISTRIBUTING GASES OR LIQUIDS VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to apparatus maintaining extremely low and constant temperatures. The helium 3 (He3) cryostat is disposed inside a portable helium 4 (He4) cryostat which is constituted by a Dewar jar 2 with helium 4 at 6. The helium 3 cryostat comprises an evaporation chamber 11, a reservoir 13, an adsorption chamber 16 with an adsorbent 17, two pipes 15 and 18 and a valve 20. Particular applications in conjunction with a bolometer, the sensitive element of which is shown at 26.