JPS5913602U

JPS5913602U - Variable displacement vane type rotary fluid machine

Info

Publication number: JPS5913602U
Application number: JP10867482U
Authority: JP
Inventors: 勝彦服部
Original assignee: 株式会社豊田中央研究所
Priority date: 1982-07-16
Filing date: 1982-07-16
Publication date: 1984-01-27

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、従来の可変容量形ベーン式回転流体機械の横
断面図および流体回路図、第２図ないし第７図は本考案
におけるくぼみ部カムリングとハウジングとの摺動面の
形状の説明図、第８図および第９図は本考案の第１実施
例機械を示す図で、第８図はその縦断面図、第９図はロ
ータ、カムリングおよびガイドプレートの横断面図、第
１０図は本考案の第２実施例機械の横断面図および流体
回路図である。図中、ＨＡはハウジング、ＤＳは駆動軸、ＲＴはロータ
、■Ａはベーン、ＣＲはカムリング、ＳＲはスプリング
、ＡＰはくぼみ（圧力ポケット）、ＣＢはチャンバ、Ｏ
Ｆはオリフィス、ＣＶは制御バルブ、ＲＬは通路をそれ
ぞれ示す。ＣＶＪコＲＩ第２図１ｒ　　　　　第３図　　ＬＡ　　　　　−−第４図Fig. 1 is a cross-sectional view and fluid circuit diagram of a conventional variable displacement vane type rotary fluid machine, and Figs. 2 to 7 are explanatory diagrams of the shape of the sliding surface between the recessed cam ring and the housing in the present invention. , FIG. 8 and FIG. 9 are views showing a first embodiment of the machine of the present invention, FIG. 8 is a longitudinal cross-sectional view thereof, FIG. 9 is a cross-sectional view of the rotor, cam ring, and guide plate, and FIG. 10 is a cross-sectional view of the rotor, cam ring, and guide plate. FIG. 2 is a cross-sectional view and a fluid circuit diagram of a second embodiment of the machine of the present invention; In the figure, HA is the housing, DS is the drive shaft, RT is the rotor, A is the vane, CR is the cam ring, SR is the spring, AP is the depression (pressure pocket), CB is the chamber, and O
F indicates an orifice, CV a control valve, and RL a passage. CV J CORI Fig. 2 1 r Fig. 3 LA -- Fig. 4

Claims

[Scope of utility model registration request]

(1) In a variable displacement vane type rotary fluid machine, a chamber is formed in the side wall of the cam ring in the housing, and the cam ring slides on the guide surface of the housing by applying pressure to the chamber. A variable displacement vane rotary fluid machine, characterized in that a recess having a predetermined area is provided between the sliding surfaces of the cam ring, and fluid pressure is guided to the recess to smooth the sliding movement of the cam ring.

(2) A recess having a predetermined area is provided between the sliding surface of the cam ring and the housing on the discharge port side, and the discharge pressure is guided to the recess. Claim 1 of the Utility Model Registration Claim The variable displacement vane type rotary fluid machine described above.

(3) A recess with a predetermined area is provided between the sliding surfaces of the cam ring and the housing on the discharge port side and the suction port side, and the recess on the suction port side leads the discharge pressure. The variable displacement vane type rotary fluid machine according to claim 1, wherein suction pressure or atmospheric pressure is introduced into the rotary fluid machine.

(4) A recess with a predetermined area is provided between the sliding surfaces of the cam ring and the housing on the discharge port side and the suction port side, and the discharge pressure is guided to the recess. The variable displacement vane type rotary fluid according to claim 1, which is a registered utility model, characterized in that a constriction part is provided at an appropriate position, and the pressure in the recessed part is controlled by increasing or decreasing the pressure drop before and after the constriction part. machine.