Title:
EXTERNAL GEAR PUMP
Document Type and Number:
WIPO Patent Application WO/2024/024035
Kind Code:
A1
Abstract:
This external gear pump is provided with: a pair of a driving gear (2) and a driven gear (3); a pump casing (1); a gear accommodation room (13) that is formed inside the pump casing (1) and accommodates the driving gear (2) and the driven gear (3) in a meshed state; an inlet chamber (14) that is formed on one side of a mesh portion between the driving gear (2) and the driven gear (3) inside the pump casing (1); and an outlet chamber (15) that is formed on the other side of the mesh portion inside the pump casing (1). A slit (16) of which only one end is opened is formed in a circumferential direction inside a sliding wall of the pump casing 1 that slides with the driving gear (2) or the driven gear (3) nearer the inlet chamber (14). By the formation of the slit (16), a cantilevered sliding piece (17) is provided in the sliding wall.
Inventors:
ISHIMOTO KOSHI (JP)
Application Number:
PCT/JP2022/029130
Publication Date:
February 01, 2024
Filing Date:
July 28, 2022
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F04C2/18
Foreign References:
| JPH0861250A | 1996-03-08 | |||
| KR101413694B1 | 2014-07-01 | |||
| JPS4619338B1 | ||||
| JPS4740504A |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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