JPS6061492U

JPS6061492U - air pump

Info

Publication number: JPS6061492U
Application number: JP15337083U
Authority: JP
Inventors: 山口　純男
Original assignee: 自動車機器株式会社
Priority date: 1983-10-04
Filing date: 1983-10-04
Publication date: 1985-04-30

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図および第２図は本考案に係るエアポンプの一実施
例を示す縦断側面図およびその■−■線断面図、第３図
ａ、　ｂは本考案の別の実施例を説明するための図であ
る。１・・・ポンプハウジング、１ａ・・・ポンプ室、１ｂ
、ｌｃ・・・吸込側、吐出側通路、４・・・リヤカバー
、４ａ・・・ボス部、４ｂ・・・インナレース、５・・
・ロータ、６・・田−夕本体、８・・・リヤキャップ、
８ａ・・・軸孔、９・・・ベーン、１０・・・ベーンシ
ャフト、１１・・・スリット、１２，１３・・・サイド
シール、１２ａ、１３ａ・・・受座、１８・・・ニード
ルベアリング、３０・・・空隙部、３１・・・ロータ内
部空間、３２・・・連通路、３３〜３６・・・通路孔。FIGS. 1 and 2 are a vertical side view and a sectional view taken along the line ■-■ of an air pump according to an embodiment of the present invention, and FIGS. 3 a and b are diagrams for explaining another embodiment of the present invention. It is a diagram. 1...Pump housing, 1a...Pump chamber, 1b
, lc... Suction side, discharge side passage, 4... Rear cover, 4a... Boss portion, 4b... Inner race, 5...
・Rotor, 6... Ta-Yu main body, 8... Rear cap,
8a... Shaft hole, 9... Vane, 10... Vane shaft, 11... Slit, 12, 13... Side seal, 12a, 13a... Seat, 18... Needle bearing , 30... Void portion, 31... Rotor internal space, 32... Communication path, 33-36... Passage hole.

Claims

[Scope of utility model registration request]

A needle bearing rotatably supports one end of a rotor incorporating a vane and a vane shaft on a boss portion on the pump housing side, and a gap formed at the outer end of the needle bearing An air pump characterized in that the rotor is provided with a communication passage connected to an internal space.