JPH0588392B2 - - Google Patents

Info

Publication number
JPH0588392B2
JPH0588392B2 JP60060585A JP6058585A JPH0588392B2 JP H0588392 B2 JPH0588392 B2 JP H0588392B2 JP 60060585 A JP60060585 A JP 60060585A JP 6058585 A JP6058585 A JP 6058585A JP H0588392 B2 JPH0588392 B2 JP H0588392B2
Authority
JP
Japan
Prior art keywords
rotor
rotors
casing
working chamber
male
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
JP60060585A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61223295A (ja
Inventor
Kotaro Naya
Koji Takagi
Kazuaki Shiiki
Katsumi Matsubara
Riichi Uchida
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6058585A priority Critical patent/JPS61223295A/ja
Publication of JPS61223295A publication Critical patent/JPS61223295A/ja
Publication of JPH0588392B2 publication Critical patent/JPH0588392B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Applications Or Details Of Rotary Compressors (AREA)
JP6058585A 1985-03-27 1985-03-27 オイルフリ−スクリユ−真空ポンプ Granted JPS61223295A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6058585A JPS61223295A (ja) 1985-03-27 1985-03-27 オイルフリ−スクリユ−真空ポンプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6058585A JPS61223295A (ja) 1985-03-27 1985-03-27 オイルフリ−スクリユ−真空ポンプ

Publications (2)

Publication Number Publication Date
JPS61223295A JPS61223295A (ja) 1986-10-03
JPH0588392B2 true JPH0588392B2 (enEXAMPLES) 1993-12-22

Family

ID=13146463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6058585A Granted JPS61223295A (ja) 1985-03-27 1985-03-27 オイルフリ−スクリユ−真空ポンプ

Country Status (1)

Country Link
JP (1) JPS61223295A (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0518382A (ja) * 1991-07-10 1993-01-26 Ebara Corp スクリユー形真空ポンプ
JP2537712B2 (ja) * 1991-07-10 1996-09-25 株式会社荏原製作所 スクリュ―形真空ポンプ
JP2006342754A (ja) * 2005-06-10 2006-12-21 Hitachi Industrial Equipment Systems Co Ltd オイルフリースクリュー圧縮機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936116B2 (ja) * 1976-08-07 1984-09-01 株式会社荏原製作所 流体機械
JPS55153881A (en) * 1979-04-24 1980-12-01 Anretsuto:Kk Helical type double-axle rotary fluid pump
JPS5929794A (ja) * 1982-08-13 1984-02-17 Hitachi Ltd スクリュー機械のロータ
JPS59176489A (ja) * 1983-03-25 1984-10-05 Hitachi Ltd スクリユ流体機械

Also Published As

Publication number Publication date
JPS61223295A (ja) 1986-10-03

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