JPS59141178U - Vacuum pump with built-in vacuum breaker valve - Google Patents

Vacuum pump with built-in vacuum breaker valve

Info

Publication number
JPS59141178U
JPS59141178U JP3346483U JP3346483U JPS59141178U JP S59141178 U JPS59141178 U JP S59141178U JP 3346483 U JP3346483 U JP 3346483U JP 3346483 U JP3346483 U JP 3346483U JP S59141178 U JPS59141178 U JP S59141178U
Authority
JP
Japan
Prior art keywords
vacuum
built
vacuum pump
breaker valve
valve
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
JP3346483U
Other languages
Japanese (ja)
Other versions
JPH0332792Y2 (en
Inventor
島津　浄
Original Assignee
株式会社荏原製作所
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 by 株式会社荏原製作所 filed Critical 株式会社荏原製作所
Priority to JP3346483U priority Critical patent/JPS59141178U/en
Publication of JPS59141178U publication Critical patent/JPS59141178U/en
Application granted granted Critical
Publication of JPH0332792Y2 publication Critical patent/JPH0332792Y2/ja
Granted legal-status Critical Current

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  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は水封式真空ポンプの特性図、第２図はこの考案
の真空破壊弁の側断面図、第３図は第２図のＡ−Ａ断面
図を夫々示す。 符号の説明、１・・・吸込ノズル、２・・・吸込フラン
ジ、３・・・弁座、４・・・弁体、５・・・スプリング
、６・・・スピンドル、７・・・バッキング、８・・・
空気通路、９・・・フランジ、１０・・・真空破壊弁、
１１・・・取付ボルト、１２・・・ネジ。FIG. 1 is a characteristic diagram of a water ring vacuum pump, FIG. 2 is a sectional side view of the vacuum breaker valve of this invention, and FIG. 3 is a sectional view taken along line A-A in FIG. 2. Explanation of symbols, 1... Suction nozzle, 2... Suction flange, 3... Valve seat, 4... Valve body, 5... Spring, 6... Spindle, 7... Backing, 8...
Air passage, 9... flange, 10... vacuum breaker valve,
11...Mounting bolt, 12...Screw.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 真空ポンプにおいて、吸込フランジ中に真空破壊弁を組
みこみ、該真空破壊弁は真空ポンプの常用運転の限度の
真空度に達したとき、空気を吸いこむようになっている
ことを特徴とする真空破壊弁を内蔵した真空ポンプ。In a vacuum pump, a vacuum breaker is incorporated into the suction flange, and the vacuum breaker valve sucks air when the degree of vacuum reaches the limit for normal operation of the vacuum pump. Vacuum pump with built-in valve.
JP3346483U 1983-03-10 1983-03-10 Vacuum pump with built-in vacuum breaker valve Granted JPS59141178U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3346483U JPS59141178U (en) 1983-03-10 1983-03-10 Vacuum pump with built-in vacuum breaker valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3346483U JPS59141178U (en) 1983-03-10 1983-03-10 Vacuum pump with built-in vacuum breaker valve

Publications (2)

Publication Number Publication Date
JPS59141178U true JPS59141178U (en) 1984-09-20
JPH0332792Y2 JPH0332792Y2 (en) 1991-07-11

Family

ID=30164255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3346483U Granted JPS59141178U (en) 1983-03-10 1983-03-10 Vacuum pump with built-in vacuum breaker valve

Country Status (1)

Country Link
JP (1) JPS59141178U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5176618A (en) * 1974-12-13 1976-07-02 Hitachi Ltd SHINKUHONPUSOONTEIGENKIKO

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5176618A (en) * 1974-12-13 1976-07-02 Hitachi Ltd SHINKUHONPUSOONTEIGENKIKO

Also Published As

Publication number Publication date
JPH0332792Y2 (en) 1991-07-11

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