Title:
CRYOGENIC TEMPERATURE COOL STORAGE DEVICE AND REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2003/081145
Kind Code:
A1
Abstract:
A cryogenic temperature cool storage device, characterized in that it uses at least one magnetic material containing a rare earth element and sulfur as a cool storage medium; and a cryogenic temperature refrigerator using the cool storage devise. The refrigerator exhibits improved refrigerating ability at 3 to 10 K, as compared to a refrigerator having a conventional cool storage device using a conventional metal-based magnetic cool storage medium.
Inventors:
LI RUI (JP)
NUMASAWA TAKENORI (JP)
NUMASAWA TAKENORI (JP)
Application Number:
PCT/JP2003/002959
Publication Date:
October 02, 2003
Filing Date:
March 12, 2003
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
NAT INST FOR MATERIALS SCIENCE (JP)
LI RUI (JP)
NUMASAWA TAKENORI (JP)
NAT INST FOR MATERIALS SCIENCE (JP)
LI RUI (JP)
NUMASAWA TAKENORI (JP)
International Classes:
F25B9/14; F25B9/00; (IPC1-7): F25B9/00
Foreign References:
| EP0411591A2 | 1991-02-06 | |||
| JPS6073267A | 1985-04-25 | |||
| JPH05171139A | 1993-07-09 | |||
| JPH07234030A | 1995-09-05 | |||
| JP2001336849A | 2001-12-07 | |||
| JPH02298765A | 1990-12-11 | |||
| JPH11325628A | 1999-11-26 | |||
| JP2003073661A | 2003-03-12 | |||
| JPH0881220A | 1996-03-26 |
Attorney, Agent or Firm:
Takaya, Satoshi (10-12 Yoyogi 2-chom, Shibuya-ku Tokyo, JP)
Download PDF: