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1. (WO2018221371) EXTREME-LOW-TEMPERATURE FREEZER

Pub. No.:    WO/2018/221371    International Application No.:    PCT/JP2018/019976
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Fri May 25 01:59:59 CEST 2018
IPC: F25B 9/14
Applicants: SUMITOMO HEAVY INDUSTRIES, LTD.
住友重機械工業株式会社
Inventors: XU Mingyao
許 名堯
Title: EXTREME-LOW-TEMPERATURE FREEZER
Abstract:
An extreme-low-temperature freezer 10 is provided with: a cold head 14 installed in a rotary part 102; and a valve unit 54 installed in a rotary support part 100 which rotatably supports the rotary part 102. The extreme-low-temperature freezer 10 may be provided with a rotary joint 70 for connecting the valve unit 54 to the cold head 14 in order to supply a working gas from the valve unit 54 to the cold head 14. The extreme-low-temperature freezer 10 may be also provided with a detachable connector 68 for connecting the valve unit 54 to the rotary joint 70.