GB8917441D0 - Molecular vacuum pump - Google Patents

Molecular vacuum pump

Info

Publication number
GB8917441D0
GB8917441D0 GB898917441A GB8917441A GB8917441D0 GB 8917441 D0 GB8917441 D0 GB 8917441D0 GB 898917441 A GB898917441 A GB 898917441A GB 8917441 A GB8917441 A GB 8917441A GB 8917441 D0 GB8917441 D0 GB 8917441D0
Authority
GB
United Kingdom
Prior art keywords
vacuum pump
molecular vacuum
molecular
pump
vacuum
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
GB898917441A
Other versions
GB2232205A (en
GB2232205B (en
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.)
DEMIKHOV KONSTANTIN E
SERGEEV VLADIMIR P
SHARSHIN SERGEI N
SHOLOKHOV VALERY B
VIKHREV VLADIMIR I
Original Assignee
DEMIKHOV KONSTANTIN E
SERGEEV VLADIMIR P
SHARSHIN SERGEI N
SHOLOKHOV VALERY B
VIKHREV VLADIMIR I
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 DEMIKHOV KONSTANTIN E, SERGEEV VLADIMIR P, SHARSHIN SERGEI N, SHOLOKHOV VALERY B, VIKHREV VLADIMIR I filed Critical DEMIKHOV KONSTANTIN E
Publication of GB8917441D0 publication Critical patent/GB8917441D0/en
Publication of GB2232205A publication Critical patent/GB2232205A/en
Application granted granted Critical
Publication of GB2232205B publication Critical patent/GB2232205B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/046—Combinations of two or more different types of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/044—Holweck-type pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Furnace Details (AREA)
GB8917441A 1987-12-25 1987-12-25 Molecular vacuum pump Expired - Lifetime GB2232205B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1987/000155 WO1989006319A1 (en) 1987-12-25 1987-12-25 Molecular vacuum pump

Publications (3)

Publication Number Publication Date
GB8917441D0 true GB8917441D0 (en) 1990-08-22
GB2232205A GB2232205A (en) 1990-12-05
GB2232205B GB2232205B (en) 1991-11-13

Family

ID=21617166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8917441A Expired - Lifetime GB2232205B (en) 1987-12-25 1987-12-25 Molecular vacuum pump

Country Status (6)

Country Link
JP (1) JPH02502743A (en)
DE (1) DE3791053T1 (en)
FI (1) FI893826A0 (en)
FR (1) FR2629877B1 (en)
GB (1) GB2232205B (en)
WO (1) WO1989006319A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58907244D1 (en) * 1989-07-20 1994-04-21 Leybold Ag Friction pump with bell-shaped rotor.
DE4438812A1 (en) * 1994-10-31 1996-05-02 Leybold Ag Friction vacuum pump with cooling
US6019581A (en) * 1995-08-08 2000-02-01 Leybold Aktiengesellschaft Friction vacuum pump with cooling arrangement
DE19632874A1 (en) * 1996-08-16 1998-02-19 Leybold Vakuum Gmbh Friction vacuum pump
DE29717079U1 (en) * 1997-09-24 1997-11-06 Leybold Vakuum Gmbh Compound pump
DE19806507B4 (en) * 1998-02-17 2010-08-19 Wobben, Aloys, Dipl.-Ing. Sogpumpe
JP4104098B2 (en) * 1999-03-31 2008-06-18 エドワーズ株式会社 Vacuum pump
JP2001248587A (en) * 1999-12-28 2001-09-14 Kashiyama Kogyo Kk Composite vacuum pump
DE10046766A1 (en) * 2000-09-21 2002-04-11 Leybold Vakuum Gmbh Compound-friction vacuum pump
DE10111525A1 (en) * 2001-03-09 2002-09-12 Leybold Vakuum Gmbh Screw vacuum pump with rotor inlet and rotor outlet
DE10224604B4 (en) 2002-06-04 2014-01-30 Oerlikon Leybold Vacuum Gmbh evacuation device
DE102013203421A1 (en) * 2013-02-28 2014-08-28 Pfeiffer Vacuum Gmbh vacuum pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790969A (en) * 1971-11-16 1973-05-07 Cit Alcatel PIVOT FOR ROTARY MOLECULAR PUMPS
FR2224009A5 (en) * 1973-03-30 1974-10-25 Cit Alcatel
FR2244370A5 (en) * 1973-09-14 1975-04-11 Cit Alcatel
NL8105614A (en) * 1981-12-14 1983-07-01 Ultra Centrifuge Nederland Nv HIGH VACUUM MOLECULAR PUMP.
NL8303927A (en) * 1983-11-16 1985-06-17 Ultra Centrifuge Nederland Nv HIGH VACUUM MOLECULAR PUMP.
DE3613344A1 (en) * 1986-04-19 1987-10-22 Pfeiffer Vakuumtechnik TURBOMOLECULAR VACUUM PUMP FOR HIGHER PRESSURE

Also Published As

Publication number Publication date
JPH02502743A (en) 1990-08-30
FR2629877B1 (en) 1992-04-17
FI893826A0 (en) 1989-08-14
DE3791053T1 (en) 1989-12-21
FR2629877A1 (en) 1989-10-13
GB2232205A (en) 1990-12-05
WO1989006319A1 (en) 1989-07-13
GB2232205B (en) 1991-11-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931225