Title:
VANE PUMP
Document Type and Number:
Japanese Patent JP2017053310
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To miniaturize a vane pump.SOLUTION: A vane pump 100 includes a plurality of discharge ports (a first discharge port 9a and a second discharge port 9b) for discharging working fluid from a pump chamber 7, a high pressure chamber 12 formed in a shape of a groove on a bottom of a pump storage recession 10a so that the working fluid is guided through the plurality of the discharge ports (the first discharge port 9a and the second discharge port 9b), and a high pressure passage 19 having an opening 19a opened to the high pressure chamber 12 and guiding the working fluid to the outside of the high pressure chamber 12. One (the first discharge port 9a) of the plurality of the discharge ports (the first discharge port 9a and the second discharge port 9b) is arranged to face the opening 19a of the high pressure passage 19, and a flow passage cross sectional area of the high pressure chamber 12 is smaller than a total flow passage cross sectional area of the plurality of the discharge ports (the first discharge port 9a and the second discharge port 9b).SELECTED DRAWING: Figure 2
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Inventors:
SHIMONO HIROMI
FUJITA TOMOYUKI
NAKAGAWA SATOYUKI
KONDO HIROTOSHI
FUJITA TOMOYUKI
NAKAGAWA SATOYUKI
KONDO HIROTOSHI
Application Number:
JP2015179525A
Publication Date:
March 16, 2017
Filing Date:
September 11, 2015
Export Citation:
Assignee:
KYB CORP
International Classes:
F04C2/344; F04C15/00; F04C15/06
Domestic Patent References:
| JP2002161869A | 2002-06-07 | |||
| JPH04148092A | 1992-05-21 |
Attorney, Agent or Firm:
Goto Patent Office
Masaki Goto
Masaaki Iida
Atsushi Sudo
Kenichi Saeki
Masaki Goto
Masaaki Iida
Atsushi Sudo
Kenichi Saeki