Title:
FLUID CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/070549
Kind Code:
A1
Abstract:
A fluid control device (10) includes a housing (11). A first main plate (20) of the housing (11) includes a vibrating portion (21) on which a driving body (30) is arranged and which has a rotationally symmetric shape in a plan view, and a plurality of openings (230) that are formed on the outside of the vibrating portion (21) and communicate a pump chamber (100) with the outside. A second main plate (40) has an opening (400) that communicates the pump chamber (100) with the outside and has a rotationally symmetric shape in a plan view. The opening (400) is arranged so as to include the center of the vibrating portion (21) in the plan view of the first main plate (20) and the second main plate (40). The opening area (S400) of the opening (400) is 10-75% of the area (S21) of the vibrating portion (21).
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Inventors:
KAWABATA YUTOKU (JP)
TANAKA NOBUHIRA (JP)
TANAKA NOBUHIRA (JP)
Application Number:
PCT/JP2021/026240
Publication Date:
April 07, 2022
Filing Date:
July 13, 2021
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
F04B45/04; F04B45/047
Domestic Patent References:
| WO2019230159A1 | 2019-12-05 |
Foreign References:
| DE102008004147A1 | 2009-07-16 | |||
| JP2009097393A | 2009-05-07 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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