JPH0233880B2 - - Google Patents

Info

Publication number
JPH0233880B2
JPH0233880B2 JP59243127A JP24312784A JPH0233880B2 JP H0233880 B2 JPH0233880 B2 JP H0233880B2 JP 59243127 A JP59243127 A JP 59243127A JP 24312784 A JP24312784 A JP 24312784A JP H0233880 B2 JPH0233880 B2 JP H0233880B2
Authority
JP
Japan
Prior art keywords
pump chamber
pressure
chamber
pump
shaft
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.)
Expired - Lifetime
Application number
JP59243127A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61123793A (ja
Inventor
Mitsuru Sakurai
Keiichi Yoshida
Kazuyuki Fujii
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.)
OOSAKA SHINKU KIKI SEISAKUSHO KK
Original Assignee
OOSAKA 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 OOSAKA SHINKU KIKI SEISAKUSHO KK filed Critical OOSAKA 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 JPS61123793A (ja) 1986-06-11
JPH0233880B2 true JPH0233880B2 (enEXAMPLES) 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 (enEXAMPLES)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4747437B2 (ja) * 2001-05-08 2011-08-17 株式会社豊田自動織機 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
US9017052B1 (en) * 2009-03-30 2015-04-28 Harry Soderstrom Positive displacement pump with improved rotor design
US8087914B1 (en) * 2009-03-30 2012-01-03 Harry Soderstrom Positive displacement pump with improved rotor design
JP5763358B2 (ja) * 2011-02-03 2015-08-12 アルバック機工株式会社 真空ポンプ
CN103104489B (zh) * 2011-11-11 2015-06-03 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
CA2972636C (en) 2015-01-15 2020-07-14 Atlas Copco Airpower, Naamloze Vennootschap Oil-injected vacuum pump element

Also Published As

Publication number Publication date
JPS61123793A (ja) 1986-06-11

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