LINEAR COMPRESSOR FOR CRYOCOOLER

A linear compressor (12) for a cryocooler (10) includes a piston (12a) that extends in an axial direction, a linear actuator (12b) that drives the piston (12a) in the axial direction, a housing (12c) that accommodates the piston (12a) and the linear actuator (12b) and supports the piston (12a) to be...

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Bibliographische Detailangaben
Hauptverfasser:	YUMOTO, Kenta, HIRATSUKA, Yoshikatsu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	A linear compressor (12) for a cryocooler (10) includes a piston (12a) that extends in an axial direction, a linear actuator (12b) that drives the piston (12a) in the axial direction, a housing (12c) that accommodates the piston (12a) and the linear actuator (12b) and supports the piston (12a) to be oscillatable in the axial direction. The linear actuator (12b) includes an outer yoke (26) that is fixed to the housing (12c), an inner yoke (28) that is disposed on a radially inner side of the outer yoke (26) and is fixed to the housing (12c), a magnet holder (30) that includes a magnet receiving recessed part (30a) positioned between the inner yoke (28) and the outer yoke (26) in a radial direction and is fixed to the piston (12a), and a permanent magnet (32) that is housed in the magnet receiving recessed part (30a) and is fixed to the magnet holder (30) without using an adhesive.