Title:
TRIPLE GEAR PUMP
Document Type and Number:
WIPO Patent Application WO/2024/029027
Kind Code:
A1
Abstract:
This triple gear pump comprises one driving gear, and a first and a second driven gear that each engage with the driving gear and that respectively constitute a first and a second gear pump; moreover, said triple gear pump discharges a fluid used as fuel. This triple gear pump comprises: a housing that surrounds the first gear pump and the second gear pump; a driving shaft that is linked with the driving gear so as to rotate integrally with the same, and that is drawn out of the housing; a driving shaft bearing that rotatably supports the driving shaft, that is capable of floating in the axial direction, and that receives pressure from the fluid and abuts the driving gear; a mechanical seal that is interposed between the driving shaft and the housing and that prevents the fluid from leaking outside of the housing; and a seal that is interposed between the driving shaft bearing and the mechanical seal and that prevents the pressure of the fluid from being transmitted to the mechanical seal.
Inventors:
MASUDA SEIEI (JP)
Application Number:
PCT/JP2022/029919
Publication Date:
February 08, 2024
Filing Date:
August 04, 2022
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F04C11/00
Domestic Patent References:
| WO2017009994A1 | 2017-01-19 |
Foreign References:
| JPH04164180A | 1992-06-09 | |||
| JP2000087872A | 2000-03-28 | |||
| JP2022125574A | 2022-08-29 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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