JPS6061491U

JPS6061491U - air pump

Info

Publication number: JPS6061491U
Application number: JP15336983U
Authority: JP
Inventors: 山口　純男; 寛吉田
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は要部拡大図、第４図ａ。ｂは本考案の他の実施例を示す図である。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・・
田−タ、６・・・ロータ本体、訃・・リヤキャップ、８
ａ・・・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・・・シールリング、３１・・・シー
ルキャップ。1 and 2 are a longitudinal side view and a cross-sectional view taken along the line ■-■, showing an embodiment of the air pump according to the present invention, FIGS. 3a and 3b are enlarged views of the main parts, and FIG. 4a is the same. b is a diagram showing another embodiment of the present invention. 1...Pump housing, 1a...Pump chamber, 1b
, lc... Suction side, discharge side passage, 4... Rear cover, 4a... Boss portion, 4b... Inner race, 5...
Data, 6... Rotor body, End... Rear cap, 8
a... Shaft hole, 9... Vane, 10... Vane shaft, 11... Slit, 12.13... Side seal, 12a, 13a... Seat, 18... Needle bearing , 30... Seal ring, 31... Seal cap.

Claims

[Scope of utility model registration request]

A needle bearing rotatably supports one end of a rotor incorporating vanes and a vane shaft on a boss portion on the pump housing side, and the inner end of the needle bearing is provided with a rotor main body constituting the rotor. The seal ring sandwiched between the end member faces,
An air pump characterized in that the inner space of the rotor is partitioned off by this seal ring.