Title:
PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/038513
Kind Code:
A1
Abstract:
The present invention enables a pump head having different mounting pitches of mounting screws to easily be attached to and detached from a pump body without disassembling the entire pump together with a bracket. This pump device comprises: a drive source; a pump body that has a first wall and has an accommodation space inside of which the drive source is accommodated in one side of the first wall; a pump head that is attached to the other side of the first wall, the pump head having a pump chamber, and an intake port and discharge port that communicate with the pump chamber, the intake port and discharge port being used for a transfer fluid; a bracket that is disposed between the pump head and the first wall; a drive member that is driven within the pump chamber by the drive source; and an annular nut plate that is disposed adjacent to the first wall within the accommodation space in the pump body.
Inventors:
YAMAMOTO HIRONORI (JP)
OGAWA YOSHIO (JP)
OGAWA YOSHIO (JP)
Application Number:
PCT/JP2022/031036
Publication Date:
February 22, 2024
Filing Date:
August 17, 2022
Export Citation:
Assignee:
IWAKI CO LTD (JP)
International Classes:
F04B43/04; F04B53/16
Foreign References:
| JP2005220834A | 2005-08-18 | |||
| US5676531A | 1997-10-14 |
Attorney, Agent or Firm:
KISARAGI ASSOCIATES (JP)
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