JPS61123793A - ル−ツ真空ポンプ - Google Patents

ル−ツ真空ポンプ

Info

Publication number
JPS61123793A
JPS61123793A JP24312784A JP24312784A JPS61123793A JP S61123793 A JPS61123793 A JP S61123793A JP 24312784 A JP24312784 A JP 24312784A JP 24312784 A JP24312784 A JP 24312784A JP S61123793 A JPS61123793 A JP S61123793A
Authority
JP
Japan
Prior art keywords
pump
chamber
pump chamber
pressure
vacuum pump
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
JP24312784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0233880B2 (enrdf_load_stackoverflow
Inventor
Mitsuru Sakurai
充 桜井
Keiichi Yoshida
恵一 吉田
Kazuyuki Fujii
藤井　和幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OSAKA SHINKU KIKI SEISAKUSHO KK
Original Assignee
OSAKA SHINKU KIKI SEISAKUSHO KK
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 OSAKA SHINKU KIKI SEISAKUSHO KK filed Critical OSAKA SHINKU KIKI SEISAKUSHO KK
Priority to JP24312784A priority Critical patent/JPS61123793A/ja
Publication of JPS61123793A publication Critical patent/JPS61123793A/ja
Publication of JPH0233880B2 publication Critical patent/JPH0233880B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Applications Or Details Of Rotary Compressors (AREA)
JP24312784A 1984-11-16 1984-11-16 ル−ツ真空ポンプ Granted JPS61123793A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24312784A JPS61123793A (ja) 1984-11-16 1984-11-16 ル−ツ真空ポンプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24312784A JPS61123793A (ja) 1984-11-16 1984-11-16 ル−ツ真空ポンプ

Publications (2)

Publication Number Publication Date
JPS61123793A true JPS61123793A (ja) 1986-06-11
JPH0233880B2 JPH0233880B2 (enrdf_load_stackoverflow) 1990-07-31

Family

ID=17099201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24312784A Granted JPS61123793A (ja) 1984-11-16 1984-11-16 ル−ツ真空ポンプ

Country Status (1)

Country Link
JP (1) JPS61123793A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002327848A (ja) * 2001-05-08 2002-11-15 Toyota Industries Corp 真空ポンプにおける油洩れ防止構造
US7997885B2 (en) * 2007-12-03 2011-08-16 Carefusion 303, Inc. Roots-type blower reduced acoustic signature method and apparatus
US8087914B1 (en) * 2009-03-30 2012-01-03 Harry Soderstrom Positive displacement pump with improved rotor design
JP2012162989A (ja) * 2011-02-03 2012-08-30 Ulvac Kiko Inc 真空ポンプ
CN102979730A (zh) * 2012-10-26 2013-03-20 南通龙鹰真空泵业有限公司 罗茨泵
CN103104489A (zh) * 2011-11-11 2013-05-15 中国科学院沈阳科学仪器研制中心有限公司 一种罗茨真空泵
US9017052B1 (en) * 2009-03-30 2015-04-28 Harry Soderstrom Positive displacement pump with improved rotor design
US10670014B2 (en) 2015-01-15 2020-06-02 Atlas Copco Airpower, Naamloze Vennootschap Oil-injected vacuum pump element

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002327848A (ja) * 2001-05-08 2002-11-15 Toyota Industries Corp 真空ポンプにおける油洩れ防止構造
US7997885B2 (en) * 2007-12-03 2011-08-16 Carefusion 303, Inc. Roots-type blower reduced acoustic signature method and apparatus
US8087914B1 (en) * 2009-03-30 2012-01-03 Harry Soderstrom Positive displacement pump with improved rotor design
US9017052B1 (en) * 2009-03-30 2015-04-28 Harry Soderstrom Positive displacement pump with improved rotor design
JP2012162989A (ja) * 2011-02-03 2012-08-30 Ulvac Kiko Inc 真空ポンプ
CN103104489A (zh) * 2011-11-11 2013-05-15 中国科学院沈阳科学仪器研制中心有限公司 一种罗茨真空泵
CN102979730A (zh) * 2012-10-26 2013-03-20 南通龙鹰真空泵业有限公司 罗茨泵
US10670014B2 (en) 2015-01-15 2020-06-02 Atlas Copco Airpower, Naamloze Vennootschap Oil-injected vacuum pump element

Also Published As

Publication number Publication date
JPH0233880B2 (enrdf_load_stackoverflow) 1990-07-31

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