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Patent Searching and Data


Title:
VALVE DEVICE AND FLUID CONTROL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/167711
Kind Code:
A1
Abstract:
Provided is a valve device in which the influence of a physical impact on a valve body is further reduced. A valve device (1) is provided with: a valve seat (41) that is disposed around an opening connected to a flow passage formed in a valve body (3); a diaphragm (5) that opens/closes the flow passage by moving between a contact position and a non-contact position with respect to the valve seat (41); a pressing adaptor (6) that comes into contact with the circumferential edge of the diaphragm (5); a casing (2) that includes therein an actuator for actuating the diaphragm (5) and that is fixed above the valve body (3) by being screwed in a screw hole formed in the valve body (3); and an adaptor fixation ring (7) that is fixed in the valve body (3) while pressing the pressing adaptor (6) and the diaphragm (5) by being screwed in the screw hole.

Inventors:
WATANABE Kazunari (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
SHIGYOU Kohei (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
SAWADA Yohei (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
NAKATA Tomohiro (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
SHINOHARA Tsutomu (3-2 Itachibori 2-chome, Nishi-k, Osaka-city Osaka 12, 〒5500012, JP)
Application Number:
JP2019/005980
Publication Date:
September 06, 2019
Filing Date:
February 19, 2019
Export Citation:
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Assignee:
FUJIKIN INCORPORATED (3-2 Itachibori 2-chome, Nishi-ku Osaka-city Osaka, 12, 〒5500012, JP)
International Classes:
F16K7/16; F16K27/02; H01L21/02
Foreign References:
US5829472A1998-11-03
JPH06241329A1994-08-30
JPH01133578U1989-09-12
JP2015124851A2015-07-06
JP2008249002A2008-10-16
Attorney, Agent or Firm:
FUJIMOTO KENJI (6-1-4-905, Takasu Urayasu-city Chiba, 23, 〒2790023, JP)
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