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Patent Searching and Data


Title:
TRIPLE GEAR PUMP AND FLUID SUPPLYING DEVICE
Document Type and Number:
WIPO Patent Application WO2017009994
Kind Code:
A1
Abstract:
This gear pump is provided with: a driving gear, a first driven gear, and a second driven gear that are engaged with each other; a housing that houses those and that has formed therein a flow path including a first intake port, a second intake port, a first expulsion port, and a second expulsion port; a floating bearing including a thrust surface that bears a floating force in a drive shaft direction received from a fluid, and a first pressure receiving surface, a second pressure receiving surface, and a third pressure receiving surface, each facing a direction opposing the thrust surface; a first pressurization chamber that is held between the first pressure receiving surface and the housing, that is in fluid communication with the first expulsion port or the second expulsion port, and that applies pressure on the first pressure receiving surface; a second pressurization chamber that is held between the second pressure receiving surface and the housing, that is in fluid communication with the first intake port, and that applies pressure on the second pressure receiving surface; and a third pressurization chamber that is held between the third pressure receiving surface and the housing, that is in fluid communication with the second intake port, and that applies pressure on the third pressure receiving surface.

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Inventors:
TAKAMIYA KENJI (JP)
MASUDA SEIEI (JP)
Application Number:
JP2015070384W
Publication Date:
January 19, 2017
Filing Date:
July 16, 2015
Export Citation:
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Assignee:
IHI CORPORATION
International Classes:
F04C15/00; F04C11/00
Foreign References:
JP2003328958A2003-11-19
JP2008050979A2008-03-06
JP2009536992A2009-10-22
Other References:
See also references of EP 3324048A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (Toranomon Kotohira Tower, 2-8, Toranomon 1-chome, Minato-ku, Tokyo, JP)
Hidekazu Miyoshi (1-2-8, Toranomon, Minato-ku, Tokyo, 1050001 The Toranomon Kotohira tower Tokyo, JP)
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