JOULE-THOMSON TYPE COOLER

PURPOSE:To reduce breathing of a cooling temperature and to eliminate a fear of clogging of an injection port of a nozzle by uniformly cooling an element to be cooled in the case of improving a Joule-Thomson type cooler in which a semiconductor device, etc., is maintained at a predetermined low temp...

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Bibliographische Detailangaben
1. Verfasser:	TANIGUCHI KOZO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce breathing of a cooling temperature and to eliminate a fear of clogging of an injection port of a nozzle by uniformly cooling an element to be cooled in the case of improving a Joule-Thomson type cooler in which a semiconductor device, etc., is maintained at a predetermined low temperature. CONSTITUTION:The Joule-Thomson type cooler has a sheath 11 made of a heat insulator, a bottomed inner cylindrical cylinder 10 provided in the sheath 11, a nozzle 15 provided in an opening of the cylinder 10 to inject high pressure liquefied gas G, a needle valve 20 for switching the port of the nozzle 15, and a temperature sensor contained therein, wherein an opening end face of the sheath 11 is brought into close contact with a rear surface of an element to be cooled to cool the element to be cooled to a predetermined low temperature, and comprises a buffer 30 engaged with the opening of the sheath 11 to burner an injection flow of the gas G.