Title:
VANE PUMP
Document Type and Number:
Japanese Patent JP2020045808
Kind Code:
A
Abstract:
To stabilize the discharge pressure of a vane pump.SOLUTION: A vane pump 100 includes: a rotor 2; a plurality of vanes 3 radially formed on the rotor 2 and slidably inserted in a plurality of slits 2a; a cam ring 4 with an inner peripheral cam surface 4 with which a tip end portion 3a of the vane 3 slides with rotations of the rotor 2; a pump chamber 6 defined between the adjacent vane 3, the rotor 2, and the cam ring 4; suction ports 33 and 41 which lead a working fluid to be sucked into the pump chamber 6; and a first discharge port 31 and the second discharge port 32 which lead the working fluid discharged from the pump chamber 6. The suction ports 33 and 41, and the first discharge port 31 and the second discharge port 32 are disposed along a rotating direction of the rotor 2, in this order.SELECTED DRAWING: Figure 3
Inventors:
AKATSUKA KOICHIRO
NAGASAKA RYOICHI
KATO FUMIYASU
NAGASAKA RYOICHI
KATO FUMIYASU
Application Number:
JP2018174620A
Publication Date:
March 26, 2020
Filing Date:
September 19, 2018
Export Citation:
Assignee:
KYB CORP
International Classes:
F04C2/344; F04C15/00
Domestic Patent References:
| JP2018053740A | 2018-04-05 | |||
| JP2001027186A | 2001-01-30 |
Attorney, Agent or Firm:
Goto Patent Office