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Patent Searching and Data


Title:
VALVE, AND FLUID CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/157304
Kind Code:
A1
Abstract:
A valve (101) has a lower valve housing (192), a diaphragm (120), and an upper valve housing (191). The top surface of a piezoelectric pump (10) is attached to the bottom surface of the lower valve housing (192). In the diaphragm (120), a round hole (121) is disposed in the center of an area facing a projection (138) of the lower valve housing (192). The diaphragm (120) is attached to the upper valve housing (191) and the lower valve housing (192), and divides the inside of a valve housing (130), thereby forming a first lower valve chamber (131), a second lower valve chamber (132), a first upper valve chamber (133) and a second upper valve chamber (134). A groove (14) is disposed inside a wall (190) of the upper valve housing (191), which faces the diaphragm (120), in the first upper valve chamber (133).

Inventors:
KOTANI, Kenichi (Ltd. 10-1 Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
MAEDA, Takenobu (Ltd. 10-1 Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
HIRATA, Atsuhiko (Ltd. 10-1 Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2013/055068
Publication Date:
October 24, 2013
Filing Date:
February 27, 2013
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
F04B53/10; F04B39/10; F04B45/04; F16K15/14
Foreign References:
JP2001041333A2001-02-13
JPH074542A1995-01-10
JP2001515183A2001-09-18
JPH09503569A1997-04-08
JP2009156454A2009-07-16
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (1-4-34, Noninbashi Chuo-ku, Osaka-sh, Osaka 11, 〒5400011, JP)
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