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Title:
VALVE AND FLUID CONTROL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2014/188915
Kind Code:
A1
Abstract:
A fluid control apparatus (100) is provided with a piezoelectric pump (10) and a valve (101). The valve (101) is provided with a second valve housing (192), a second seal material (152), a diaphragm (120), a first seal material (151), and a first valve housing (191), and the valve has a structure wherein the second valve housing, the second seal material, the diaphragm, the first seal material, and the first valve housing are sequentially laminated. The first valve housing (191) has a second vent hole (112), a third vent hole (113), a valve seat (139), and six openings (182). The second valve housing (192) has a first vent hole (110), a first vent hole (111), a valve seat (138), and six first protruding sections (180). Furthermore, the second valve housing (192) has six second protruding sections (181), which are positioned further toward the circumferential edge side than the six first protruding sections (180) in planar view from the X axis direction.

Inventors:
KAWAMURA KENICHIRO (JP)
WAKU TSUYOSHI (JP)
SAKURAYA YUKINORI (JP)
Application Number:
PCT/JP2014/062771
Publication Date:
November 27, 2014
Filing Date:
May 14, 2014
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
F16K7/17; A61B5/022
Domestic Patent References:
WO2012141113A12012-10-18
WO1989005417A11989-06-15
WO2012147477A12012-11-01
WO2010137578A12010-12-02
Foreign References:
JPH0575558U1993-10-15
JP2007046721A2007-02-22
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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