JPS5927177U

JPS5927177U - pump equipment

Info

Publication number: JPS5927177U
Application number: JP12240482U
Authority: JP
Inventors: 岩城　良之; 松本　昭夫; 関　公明
Original assignee: 三菱電機株式会社
Priority date: 1982-08-10
Filing date: 1982-08-10
Publication date: 1984-02-20

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 drawings]

第１図は従来例による真空ポンプ装置の使用装着状態を
示す正面図、−第２図は同上装置の拡大して示す縦断側
面図、第３図は第２図■−■線部の断面図、第４図およ
び第５図はこの考案の各別の実施例を適用したベーンを
取り出して示すそれぞれ縦断側面図である。１・・・・・・電動機、２・・・・・・駆動軸、３・曲
・真空ポンプ、３１・・・・・・ロータ、３２・曲・ベ
ーン、３３・・曲ハウジング、３７・・・・・・中空部
、３８・・・・・・油孔、３９・・・・・・潤滑油、４
０・・・・・・含浸材。Fig. 1 is a front view showing a conventional vacuum pump device in use and installation, - Fig. 2 is an enlarged longitudinal sectional side view of the same device, and Fig. 3 is a sectional view taken along the line ■-■ in Fig. 2. , 4 and 5 are longitudinal sectional side views showing vanes to which different embodiments of this invention are applied. 1... Electric motor, 2... Drive shaft, 3... Curved vacuum pump, 31... Rotor, 32... Curved vane, 33... Curved housing, 37... ...Hollow part, 38 ... Oil hole, 39 ... Lubricating oil, 4
0... Impregnated material.

Claims

[Scope of utility model registration request]

(1) In a vane type pump device comprising a rotor, vanes held by the rotor, and a cylindrical housing that eccentrically surrounds these, an oil reservoir is formed inside the vane and the oil reservoir is removed from the vane. A pump device characterized in that at least one small-diameter oil hole is opened on the outside of a vane tip face, side face, etc., and a lubricating oil such as machine oil or grease is filled in the oil reservoir.

(2) The pump device according to claim 1, wherein an impregnating material such as felt is inserted into the oil reservoir, and the impregnating material is impregnated with lubricating oil.