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Patent Searching and Data


Title:
VALVE AND FLUID CONTROL DEVICE PROVIDED WITH VALVE
Document Type and Number:
WIPO Patent Application WO/2019/208016
Kind Code:
A1
Abstract:
This valve is provided with: a first plate forming a first vent hole; a second plate which configures, with the first plate, a valve chamber therebetween communicating with the first vent hole, and forms a second vent hole communicating with the valve chamber and not opposed to the first vent hole; and a movable plate which forms a third vent hole opposing the second vent hole and is disposed in the valve chamber so as to be moveable between the first plate and the second plate. The second plate forms an auxiliary hole not opposed to the third vent hole of the movable plate, and has an edge portion surrounding the auxiliary hole which, in a plan view of a major surface on the side facing the valve chamber, forms a convex radiused first angular portion.

Inventors:
YOKOI, Hiroyuki (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
TANAKA, Nobuhira (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
KONDO, Daisuke (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2019/010839
Publication Date:
October 31, 2019
Filing Date:
March 15, 2019
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
F16K1/00; F04B43/02; F04B43/04; F16K15/02; F16K31/02
Domestic Patent References:
WO2016121717A12016-08-04
WO2005038321A12005-04-28
Foreign References:
JPS59122789A1984-07-16
JPH0472479A1992-03-06
JP2006522896A2006-10-05
JP2007509291A2007-04-12
JPS5615474U1981-02-10
Attorney, Agent or Firm:
YAMAO, Norihito et al. (AOYAMA & PARTNERS, Umeda Hankyu Bldg. Office Tower 8-1, Kakuda-cho, Kita-ku, Osaka-sh, Osaka 17, 〒5300017, JP)
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