Title:
ROTARY VALVE AND CRYOGENIC REFRIGERATOR USING SAME
Document Type and Number:
WIPO Patent Application WO/2011/132563
Kind Code:
A1
Abstract:
Disclosed are a rotary valve and a cryogenic refrigerator using same. The rotary valve has a valve body to which a body-side duct has been formed and a valve plate to which a plate-side duct has been formed, causes the body-side sliding surface of the aforementioned valve body to closely contact the plate-side sliding surface of the aforementioned valve plate, and switches the connection state of the aforementioned body-side duct and the aforementioned plate-side duct by means of causing the rotation of the aforementioned valve plate, and the aforementioned valve plate is provided with: a resin valve sliding body having the aforementioned plate-side sliding surface; and a valve plate body that comprises a non-magnetic material and to which a housing chamber is formed that houses said valve sliding body.
Inventors:
MATSUBARA TAKAHIRO (JP)
IKEYA YOUICHIROU (JP)
IKEYA YOUICHIROU (JP)
Application Number:
PCT/JP2011/059053
Publication Date:
October 27, 2011
Filing Date:
April 12, 2011
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
MATSUBARA TAKAHIRO (JP)
IKEYA YOUICHIROU (JP)
MATSUBARA TAKAHIRO (JP)
IKEYA YOUICHIROU (JP)
International Classes:
F25B9/14; F16K3/08; F16K31/04
Foreign References:
| JP2001280728A | 2001-10-10 | |||
| JP2001349630A | 2001-12-21 | |||
| JPS58166172A | 1983-10-01 | |||
| JP2007205581A | 2007-08-16 |
Attorney, Agent or Firm:
ITOH, TADAHIKO (JP)
Tadahiko Ito (JP)
Tadahiko Ito (JP)
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