JPS63147582U

JPS63147582U -

Info

Publication number: JPS63147582U
Application number: JP4134887U
Authority: JP
Priority date: 1987-03-20
Filing date: 1987-03-20
Publication date: 1988-09-28

Description

[Brief explanation of the drawing]

第１図は本考案ポンプ装置の部分的構成を示す
もので第１実施例を示す縦断面図である。第２図
は本考案ポンプ装置の第２実施例を示す縦断面図
である。第３図は上記第２実施例におけるポンプ
装置の変形例を示す縦断面図である。第４図は本
考案ポンプ装置の第３実施例を示す縦断面図であ
る。１……ハウジング、２……駆動軸、３……ポン
プ部材、４……中央シール部、４ａ……第１中央
シール部、４ｂ……第２中央シール部、３ａ……
第１ポンプ部材、３ｂ……第２ポンプ部材。 FIG. 1 is a vertical cross-sectional view showing a first embodiment of the pump device of the present invention, showing a partial structure of the pump device of the present invention. FIG. 2 is a longitudinal sectional view showing a second embodiment of the pump device of the present invention. FIG. 3 is a longitudinal sectional view showing a modification of the pump device in the second embodiment. FIG. 4 is a longitudinal sectional view showing a third embodiment of the pump device of the present invention. DESCRIPTION OF SYMBOLS 1... Housing, 2... Drive shaft, 3... Pump member, 4... Central seal part, 4a... First central seal part, 4b... Second central seal part, 3a...
First pump member, 3b... second pump member.

Claims

[Claims for Utility Model Registration] (1) A housing having a shaft hole, a storage hole, a suction passage, and a discharge passage, and a housing rotatably held in the shaft hole of the housing, having a driven part at one end and a first part in the center. There is a second
It consists of a drive shaft with a drive part, a cam ring held in the storage hole of the housing, a pair of side plates, and a rotor with a plurality of vanes fixed to the first drive part, and there is a space between each member. A pump member forming a pump chamber communicating with the suction passage and the discharge passage, and a working fluid provided on the drive shaft between the first drive section and the second drive section and sucked and discharged by the pump member. at least one central sealing part for preventing the transfer of the liquid to the second drive part. (2) The storage hole has an integrated first storage hole and a second storage hole, and the first storage hole has a first storage hole made of the pump member.
A pump member is housed in the second housing hole, and a second pump member consisting of a cam ring, a pair of side plates, and a rotor having a plurality of vanes fixed to the second drive unit is housed in the second housing hole, and the second pump member is housed in the second housing hole. 2. The pump device according to claim 1, wherein the seal portion is held by at least one of the two side plates facing each other. (3) The housing includes a first housing that accommodates a first pump member made of the pump member;
The second housing includes a second housing hole and a second shaft hole that is fixed to the first housing and houses the second drive section of the drive shaft, and the second housing hole has a cam ring and a pair of side surfaces. A second pump member comprising a plate and a rotor having a plurality of vanes fixed to the second drive portion is housed, and the central seal portion is arranged on at least one of adjacent side walls of the first housing and the second housing. The pump device according to claim 1, which is registered as a utility model.