JPS60120290U - Automatic open/close gas ballast valve for oil rotary vacuum pump - Google Patents

Automatic open/close gas ballast valve for oil rotary vacuum pump

Info

Publication number
JPS60120290U
JPS60120290U JP780984U JP780984U JPS60120290U JP S60120290 U JPS60120290 U JP S60120290U JP 780984 U JP780984 U JP 780984U JP 780984 U JP780984 U JP 780984U JP S60120290 U JPS60120290 U JP S60120290U
Authority
JP
Japan
Prior art keywords
vacuum pump
gas ballast
rotary vacuum
oil rotary
automatic open
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.)
Pending
Application number
JP780984U
Other languages
Japanese (ja)
Inventor
根本　利夫
Original Assignee
日立工機株式会社
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 日立工機株式会社 filed Critical 日立工機株式会社
Priority to JP780984U priority Critical patent/JPS60120290U/en
Publication of JPS60120290U publication Critical patent/JPS60120290U/en
Pending legal-status Critical Current

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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 the drawing]

第１図は従来の油回転真空ポンプを示す一部を切断した
側面図である。第２図は本考案を備えた油回転真空ポン
プの一部を切断して示した側面図、第３図は同電気回路
図である。 １はガスバラストノブ、２はモータ、３はタイマ、４は
温度検出スイッチ、５は外壁、６はポンプ駆動モータ、
７は電源スィッチである。FIG. 1 is a partially cutaway side view showing a conventional oil rotary vacuum pump. FIG. 2 is a partially cutaway side view of an oil rotary vacuum pump equipped with the present invention, and FIG. 3 is an electric circuit diagram thereof. 1 is a gas ballast knob, 2 is a motor, 3 is a timer, 4 is a temperature detection switch, 5 is an outer wall, 6 is a pump drive motor,
7 is a power switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油回転真空ポンプのガスバラストノブにモータを連結し
、そのモータの電源回路にタイマ及びポンプ温度検出ス
イッチを装着して、ポンプが飽和温度に達したとき、タ
イマの設定時間だけガスバラスト弁が開いて、設定時間
がゼ用こなると、自動的に閉じるようにした、油回転真
空ポンプの自動開閉式ガスバラスト弁。A motor is connected to the gas ballast knob of an oil rotary vacuum pump, and a timer and pump temperature detection switch are installed in the power supply circuit of the motor. When the pump reaches the saturation temperature, the gas ballast valve opens for the time set on the timer. This is an automatic open/close gas ballast valve for an oil rotary vacuum pump that automatically closes when the set time has expired.
JP780984U 1984-01-23 1984-01-23 Automatic open/close gas ballast valve for oil rotary vacuum pump Pending JPS60120290U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP780984U JPS60120290U (en) 1984-01-23 1984-01-23 Automatic open/close gas ballast valve for oil rotary vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP780984U JPS60120290U (en) 1984-01-23 1984-01-23 Automatic open/close gas ballast valve for oil rotary vacuum pump

Publications (1)

Publication Number Publication Date
JPS60120290U true JPS60120290U (en) 1985-08-14

Family

ID=30486503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP780984U Pending JPS60120290U (en) 1984-01-23 1984-01-23 Automatic open/close gas ballast valve for oil rotary vacuum pump

Country Status (1)

Country Link
JP (1) JPS60120290U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010058089A (en) * 2008-09-05 2010-03-18 Hitachi Koki Co Ltd Centrifuge

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52132410A (en) * 1976-04-28 1977-11-07 Toshiba Corp Vacuum pump device
JPS5648949U (en) * 1979-09-21 1981-04-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52132410A (en) * 1976-04-28 1977-11-07 Toshiba Corp Vacuum pump device
JPS5648949U (en) * 1979-09-21 1981-04-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010058089A (en) * 2008-09-05 2010-03-18 Hitachi Koki Co Ltd Centrifuge

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