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Patent Searching and Data


Title:
VALVE AND FLUID CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/221287
Kind Code:
A1
Abstract:
The present invention is provided with: a first plate (10) having a first through-hole (100); a second plate (20) having a second through-hole (210) that does not face the first through-hole (100); a valve chamber (55) formed surrounded by the first plate (10) and the second plate (20); and a valve body (30) which is disposed in the valve chamber (55), has a third through-hole (300) that does not face the first through-hole (100) but faces the second through-hole (200), and moves up and down between the first plate (10) and the second plate (20). Also, the present invention is characterized in that the second opening area of the second through-hole (210) is smaller than the third opening area of the third through-hole (300), and the second through-hole (210) is disposed within the third through-hole (300) when viewed from the front.

Inventors:
TANAKA Nobuhira (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
YOKOI Hiroyuki (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2018/019459
Publication Date:
December 06, 2018
Filing Date:
May 21, 2018
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
F16K15/14; F04B45/047; F16K7/17
Domestic Patent References:
WO2016063711A12016-04-28
WO2016181833A12016-11-17
WO2017038565A12017-03-09
Foreign References:
JPS639575U1988-01-22
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (1-4-34, Noninbashi Chuo-ku, Osaka-sh, Osaka 11, 〒5400011, JP)
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