Title:
GM REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2018/101271
Kind Code:
A1
Abstract:
A GM refrigerator 10 that comprises: a displacer 20 that is capable of reciprocal movement in the axial direction; a displacer cylinder 26 that houses the displacer 20; a drive piston 22 that is connected to the displacer 20 so as to drive the displacer 20 in the axial direction; and a piston cylinder 28 that houses the drive piston 22. The piston cylinder 28 comprises: a drive chamber 46 that has the pressure thereof controlled so as to drive the drive piston 22; and a gas spring chamber 48 that is formed to be air tight with respect to the displacer cylinder 26 and is separated from the drive chamber 46 by the drive piston 22.
Inventors:
XU MINGYAO (JP)
BAO QIAN (JP)
MORIE TAKAAKI (JP)
BAO QIAN (JP)
MORIE TAKAAKI (JP)
Application Number:
PCT/JP2017/042656
Publication Date:
June 07, 2018
Filing Date:
November 28, 2017
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
F25B9/14
Foreign References:
| JP2013083428A | 2013-05-09 | |||
| JPH02213654A | 1990-08-24 | |||
| US3188819A | 1965-06-15 | |||
| US4412423A | 1983-11-01 | |||
| JP2013522576A | 2013-06-13 | |||
| JP2000121186A | 2000-04-28 |
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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