Title:
DOUBLE SEAT VALVE
Document Type and Number:
WIPO Patent Application WO/2005/073604
Kind Code:
A1
Abstract:
A double seat valve formed in a simple structure, capable of accurately and stably performing flow control, and enabling a reduction in size, comprising one flow passage formed of a lateral joint (15) → a lateral hole (27) → an intermediate chamber (26) → a first valve port (21) → a lower joint (16) and the other flow passage formed of the lateral joint (15) → the lateral hole (27) → the intermediate chamber (26) → a second valve port (22) → an end chamber (25) → an internal passage (34) → the lower joint (16).
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Inventors:
UCHIDA HIROSHI (JP)
SEKIGUCHI HIDEKI (JP)
OHNO MICHIAKI (JP)
SEKIGUCHI HIDEKI (JP)
OHNO MICHIAKI (JP)
Application Number:
PCT/JP2004/010627
Publication Date:
August 11, 2005
Filing Date:
July 26, 2004
Export Citation:
Assignee:
SAGINOMIYA SEISAKUSHO INC (JP)
UCHIDA HIROSHI (JP)
SEKIGUCHI HIDEKI (JP)
OHNO MICHIAKI (JP)
UCHIDA HIROSHI (JP)
SEKIGUCHI HIDEKI (JP)
OHNO MICHIAKI (JP)
International Classes:
F16K1/36; F16K1/42; F16K1/44; (IPC1-7): F16K1/44
Foreign References:
| JP2001108139A | 2001-04-20 | |||
| US2259990A | 1941-10-21 | |||
| US1998241A | 1935-04-16 | |||
| JPH0526388Y2 | 1993-07-02 | |||
| JPS58150671U | 1983-10-08 | |||
| JPH05503754A | 1993-06-17 | |||
| JPH0561508B2 | 1993-09-06 | |||
| JPH0422231Y2 | 1992-05-20 | |||
| GB1007437A | 1965-10-13 | |||
| DE1110482B | 1961-07-06 | |||
| JPS5176821U | 1976-06-17 | |||
| JPS4955118U | 1974-05-15 |
Attorney, Agent or Firm:
Takino, Hideo (Hiroo SK bldg. 36-13, Ebisu 2-chome, Shibuya-k, Tokyo 13, JP)
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