JPS5245717A - Vacuum pump - Google Patents

Vacuum pump

Info

Publication number
JPS5245717A
JPS5245717A JP12106275A JP12106275A JPS5245717A JP S5245717 A JPS5245717 A JP S5245717A JP 12106275 A JP12106275 A JP 12106275A JP 12106275 A JP12106275 A JP 12106275A JP S5245717 A JPS5245717 A JP S5245717A
Authority
JP
Japan
Prior art keywords
vacuum pump
pump
plural number
vacuum
pump chambers
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
JP12106275A
Other languages
Japanese (ja)
Inventor
Hidekazu Kokubo
Minoru Yoshida
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.)
Laurel Bank Machine Co Ltd
Original Assignee
Laurel Bank Machine Co 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 Laurel Bank Machine Co Ltd filed Critical Laurel Bank Machine Co Ltd
Priority to JP12106275A priority Critical patent/JPS5245717A/en
Publication of JPS5245717A publication Critical patent/JPS5245717A/en
Pending legal-status Critical Current

Links

Landscapes

  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

PURPOSE: To introduce a vacuum pump capable of exhaust gas quantity and vacuum grade control through its apparent motion as a single pump, by means of plural number of intakes and exhausts provided in too along the direction of rotation and plural number of intake pump chambers and exhaust pump chambers established accordingly.
COPYRIGHT: (C)1977,JPO&Japio
JP12106275A 1975-10-07 1975-10-07 Vacuum pump Pending JPS5245717A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12106275A JPS5245717A (en) 1975-10-07 1975-10-07 Vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12106275A JPS5245717A (en) 1975-10-07 1975-10-07 Vacuum pump

Publications (1)

Publication Number Publication Date
JPS5245717A true JPS5245717A (en) 1977-04-11

Family

ID=14801884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12106275A Pending JPS5245717A (en) 1975-10-07 1975-10-07 Vacuum pump

Country Status (1)

Country Link
JP (1) JPS5245717A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142091A (en) * 1983-12-28 1985-07-27 Seiko Seiki Co Ltd Multi-stage gas-discharge type rotary vacuum pump
US7866962B2 (en) * 2007-07-30 2011-01-11 Tecumseh Products Company Two-stage rotary compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142091A (en) * 1983-12-28 1985-07-27 Seiko Seiki Co Ltd Multi-stage gas-discharge type rotary vacuum pump
US7866962B2 (en) * 2007-07-30 2011-01-11 Tecumseh Products Company Two-stage rotary compressor

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