Title:
PRESSURIZATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/163115
Kind Code:
A1
Abstract:
A pressurization device (10) comprises: a bag-shaped pressurization bag (21); a cover member (22) that is installed on a first surface portion (291) of the pressurization bag (21); a housing space (23) that is formed between the cover member (22) and the pressurization bag (21); a piezoelectric pump (32) that causes air to flow into the pressurization bag (21); and an enclosure (31) in which the piezoelectric pump (32) is housed. The pressurization bag (21) has a bag opening (211) that is formed in a second surface portion (292) different from the first surface portion (291), and that connects an internal space (210) of the pressurization bag (21) to the outside. The enclosure (31) has an enclosure opening (319). The enclosure (31) abuts and is fixed to the second surface portion (292) of the pressurization bag (21) such that the bag opening (211) and the enclosure opening (319) are directly connected and overlap one another.
Inventors:
MATSUMOTO SHINICHIRO (JP)
MATSUMOTO ATSUSHI (JP)
MATSUMOTO ATSUSHI (JP)
Application Number:
PCT/JP2021/044050
Publication Date:
August 04, 2022
Filing Date:
December 01, 2021
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
F04B45/00; A61M5/148; A61M5/155; F04B45/047
Foreign References:
| JP2004230032A | 2004-08-19 | |||
| JPH11137681A | 1999-05-25 | |||
| JPH11510415A | 1999-09-14 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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