JPS5840587U

JPS5840587U - vane pump

Info

Publication number: JPS5840587U
Application number: JP13531181U
Authority: JP
Inventors: 塩原　英康; 重幸葉玉
Original assignee: 厚木自動車部品株式会社
Priority date: 1981-09-11
Filing date: 1981-09-11
Publication date: 1983-03-17

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のベーンポンプの断面図、第２図は第１図
の■−■線断面図、第３図は本考案のベーンポンプの第
２図と同様の断面図である。１・・・・・・ドライブシャフト、２・・・・・・ロー
タ、３・・・・・・ベーン、４・・・・・・カムリング
、５・・・・・・ボディ、５ａ・・・・・・ポンプ室、
６・・・・・・ドレン孔、７・・・・・・吸入路、８・
・・・・・高圧吸入室、９・・・・・・高圧吐出室。FIG. 1 is a cross-sectional view of a conventional vane pump, FIG. 2 is a cross-sectional view taken along the line ■--■ in FIG. 1, and FIG. 3 is a cross-sectional view similar to FIG. 2 of the vane pump of the present invention. 1... Drive shaft, 2... Rotor, 3... Vane, 4... Cam ring, 5... Body, 5a... ···pump room,
6...Drain hole, 7...Suction path, 8...
...High pressure suction chamber, 9...High pressure discharge chamber.

Claims

[Scope of utility model registration request]

A drive shaft 1, a rotor 2 attached to the drive shaft 1, vanes 3...3 attached to the rotor 2, and a rotor 2 with the vanes 3...3 attached.
A cam ring 4 housing the cam ring 4, a body 5 to which the cam ring 4 to the drive shaft 1 are attached and forming a pump chamber 5a together with the cam ring 4, and a drain hole 6 provided in the body 5. When the rotor 2 is rotated via the drive shaft 1, the rotor 2
The vanes 3...3 attached to the vanes 3...3 pop out in the centrifugal direction and slide while being pressed against the inner peripheral surface of the cam ring 4, and the volume change between each vane 3...3 at this time causes the oil tank to open. The oil and drain oil from the pump itself are introduced into the pump chamber 5a through the drain hole 6, the high pressure suction chamber 8, etc., and the introduced oil is discharged to the outside through the high pressure discharge chamber 9 and the discharge path. A vane pump characterized in that the drain hole 6 is formed to extend in the tangential direction of the cam ring 4.