JPS62156184U - - Google Patents

Info

Publication number
JPS62156184U
JPS62156184U JP4401686U JP4401686U JPS62156184U JP S62156184 U JPS62156184 U JP S62156184U JP 4401686 U JP4401686 U JP 4401686U JP 4401686 U JP4401686 U JP 4401686U JP S62156184 U JPS62156184 U JP S62156184U
Authority
JP
Japan
Prior art keywords
pump chamber
casing
pump
rotor
radial direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4401686U
Other languages
English (en)
Other versions
JPH0720391Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986044016U priority Critical patent/JPH0720391Y2/ja
Publication of JPS62156184U publication Critical patent/JPS62156184U/ja
Application granted granted Critical
Publication of JPH0720391Y2 publication Critical patent/JPH0720391Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図の―線断面図、第３図は第２図
の要部拡大図である。 ５……軸受部、６……ケーシング、６ａ……ポ
ンプ室、６ｂ……ポンプ室の内周壁、７……回転
子、８……溝、９……滑り羽根、１３……逆止シ
ール弁、１６……導通路。

Claims (1)

  1. 【実用新案登録請求の範囲】 ケーシングと、前記ケーシングに軸受された軸
    に取付けられて前記ケーシングのポンプ室内に収
    納された回転子と、前記回転子にその軸芯に対し
    て放射状をなすように径方向に形成された複数の
    溝と、前記各溝内に径方向に摺動自在に収納され
    て前記ポンプ室の内周壁を先端が摺動する滑り羽
    根とを備えてなる呼水用真空ポンプにおいて、 前記ポンプ空から外部に連通する導通路と、 前記導通路の途中に設けられて前記ポンプ室内
    の正圧時に開く逆止シール弁とを具備しているこ
    とを特徴とする呼水用真空ポンプ。
JP1986044016U 1986-03-27 1986-03-27 呼水用真空ポンプ Expired - Lifetime JPH0720391Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986044016U JPH0720391Y2 (ja) 1986-03-27 1986-03-27 呼水用真空ポンプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986044016U JPH0720391Y2 (ja) 1986-03-27 1986-03-27 呼水用真空ポンプ

Publications (2)

Publication Number Publication Date
JPS62156184U true JPS62156184U (ja) 1987-10-03
JPH0720391Y2 JPH0720391Y2 (ja) 1995-05-15

Family

ID=30861426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986044016U Expired - Lifetime JPH0720391Y2 (ja) 1986-03-27 1986-03-27 呼水用真空ポンプ

Country Status (1)

Country Link
JP (1) JPH0720391Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002119609A (ja) * 2000-10-17 2002-04-23 Morita Corp 真空ポンプおよび消防ポンプにおける呼び水構造

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4920882U (ja) * 1972-05-23 1974-02-21
JPS53116810U (ja) * 1977-11-18 1978-09-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4920882U (ja) * 1972-05-23 1974-02-21
JPS53116810U (ja) * 1977-11-18 1978-09-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002119609A (ja) * 2000-10-17 2002-04-23 Morita Corp 真空ポンプおよび消防ポンプにおける呼び水構造

Also Published As

Publication number Publication date
JPH0720391Y2 (ja) 1995-05-15

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