Title:
極低温冷凍機用磨耗のないバルブ
Document Type and Number:
Japanese Patent JP2007527985
Kind Code:
A
Abstract:
An improved method of reducing wear dust and torque required to turn a multi-port rotary disc valve utilizes a thrust bearing to hold the valve seat and/or valve disc such that they are not in contact with each other, or have light contact each other.
Inventors:
Eric Seits
Gao, Jin-Lin
Long Swath, Ralph Sea
Shui, Min Yao
Gao, Jin-Lin
Long Swath, Ralph Sea
Shui, Min Yao
Application Number:
JP2007503009A
Publication Date:
October 04, 2007
Filing Date:
March 08, 2005
Export Citation:
Assignee:
Sumitomo Heavy Industries Ltd.
International Classes:
F25B9/14; F16K3/10; F16K3/26; F16K31/04; F16K39/04; F25B9/00
Domestic Patent References:
JPS6136569A | 1986-02-21 | |||
JPH03219173A | 1991-09-26 | |||
JP2004053157A | 2004-02-19 | |||
JPH09236347A | 1997-09-09 |
Foreign References:
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Attorney, Agent or Firm:
Tadahiko Ito