Title:
PIEZOELECTRIC PUMP AND PUMP UNIT
Document Type and Number:
WIPO Patent Application WO/2021/049460
Kind Code:
A1
Abstract:
This pump unit is provided with: a piezoelectric pump; and a housing for accommodating the piezoelectric pump. The piezoelectric pump is provided with: a piezoelectric element having a through-hole; a first elastic plate that covers one opening of the through-hole; and a second elastic plate that covers the other opening of the through-hole. The first elastic plate has a communicative hole that is in communication with the through-hole of the piezoelectric element.
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Inventors:
OGATA KAZUHIRO (JP)
Application Number:
PCT/JP2020/033802
Publication Date:
March 18, 2021
Filing Date:
September 07, 2020
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
F04B45/047; F04B45/04
Domestic Patent References:
| WO2009148005A1 | 2009-12-10 | |||
| WO2008069266A1 | 2008-06-12 |
Foreign References:
| JPS58140491A | 1983-08-20 | |||
| CN108344198A | 2018-07-31 |
Other References:
See also references of EP 4030055A4
Attorney, Agent or Firm:
SAIKYO, Keiichiro (JP)
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