Title:
CRYOGENIC REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2019/098128
Kind Code:
A1
Abstract:
A cryogenic refrigerator 10 is provided with: a displacer 20 capable of reciprocating in an axial direction; a drive piston 22 capable of reciprocating in the axial direction; a drive shaft 24, one end of which is rigidly coupled to the displacer 20 and the other end of which is rigidly coupled to the drive piston 22; a displacer cylinder 26 housing the displacer 20 such that the displacer 20 can reciprocate in the axial direction; and a housing 27 provided with a removable housing cover 27a. The drive piston 22 is configured to place the housing 27 onto the displacer cylinder 26 independently or together with at least a part of the drive shaft 24 and to be attachable to and detachable from the displacer 20 with the housing cover 27a removed.
Inventors:
XU MINGYAO (JP)
BAO QIAN (JP)
MORIE TAKAAKI (JP)
BAO QIAN (JP)
MORIE TAKAAKI (JP)
Application Number:
PCT/JP2018/041617
Publication Date:
May 23, 2019
Filing Date:
November 09, 2018
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
F25B9/14
Foreign References:
| JP2017161146A | 2017-09-14 | |||
| JP2017142036A | 2017-08-17 | |||
| JP2013217516A | 2013-10-24 | |||
| JP2014020716A | 2014-02-03 | |||
| JP2013142479A | 2013-07-22 |
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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