GB1155700A - Rotary-Molecular Vacuum Pump - Google Patents

Rotary-Molecular Vacuum Pump

Info

Publication number
GB1155700A
GB1155700A GB59149/67A GB5914967A GB1155700A GB 1155700 A GB1155700 A GB 1155700A GB 59149/67 A GB59149/67 A GB 59149/67A GB 5914967 A GB5914967 A GB 5914967A GB 1155700 A GB1155700 A GB 1155700A
Authority
GB
United Kingdom
Prior art keywords
parts
ring
blade
rotor
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.)
Expired
Application number
GB59149/67A
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.)
PFEIFFER VAKUUMTECHNIK
Original Assignee
PFEIFFER VAKUUMTECHNIK
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 PFEIFFER VAKUUMTECHNIK filed Critical PFEIFFER VAKUUMTECHNIK
Publication of GB1155700A publication Critical patent/GB1155700A/en
Expired 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
    • F04D19/042—Turbomolecular vacuum 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

1,155,700. Making bladed rotors and stators. ARTHUR PFEIFFER HOCHVAKUUMTECHNIK G.m.b.H. 29 Dec., 1967 [30 Dec., 1966], No. 59149/67. Heading B3A. [Also in Division F1] In making a rotor or stator disc for a molecular vacuum pump, each blade is formed from a sheet metal blank, Fig. 4, by bending the blank at right angles along lines A, B, C, D and F and by twisting along line E. Thus, the root portion 7 assumes a generally U-shaped configuration, and the tip of the blade is formed with an integral shroud section which on assembly of the blade to the rotor ring 2, 3, Fig. 1, or to the stator ring 14, 15, extends circumferentially of the ring into overlapping relationship with a corresponding shroud section of an adjacent blade for subsequent spot welding thereto. The U-shaped root portion is sandwiched between the parts 2, 3 of the rotor ring or the parts 14, 15 of the stator ring, the parts 3, 15 being secured to the parts 2, 14 by swaged or beaded flanges 11, 16.
GB59149/67A 1966-12-30 1967-12-29 Rotary-Molecular Vacuum Pump Expired GB1155700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP0041123 1966-12-30

Publications (1)

Publication Number Publication Date
GB1155700A true GB1155700A (en) 1969-06-18

Family

ID=7377592

Family Applications (1)

Application Number Title Priority Date Filing Date
GB59149/67A Expired GB1155700A (en) 1966-12-30 1967-12-29 Rotary-Molecular Vacuum Pump

Country Status (5)

Country Link
US (1) US3477381A (en)
CH (1) CH482119A (en)
DE (1) DE1503704C3 (en)
FR (1) FR1582018A (en)
GB (1) GB1155700A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005349A (en) * 1977-10-03 1979-04-19 Rockwell International Corp Axial flow slurry pump
EP0442556A1 (en) * 1990-02-16 1991-08-21 VARIAN S.p.A. A stator for a turbo-molecular pump

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035063C3 (en) * 1970-07-15 1974-05-30 Arthur Pfeiffer-Vakuumtechnik Gmbh, 6330 Wetzlar Impeller for a turbo molecular pump
DE2654055B2 (en) * 1976-11-29 1979-11-08 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Rotor and stator disks for turbo molecular pumps
DE3507274A1 (en) * 1985-03-01 1986-09-04 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar DISC WITH SHOVELS HIGH STABILITY FOR TURBOMOLECULAR PUMPS
JPH0261387A (en) * 1988-08-24 1990-03-01 Seiko Seiki Co Ltd Turbomolecular pump
DE4401596A1 (en) * 1994-01-20 1995-07-27 Ekato Ruehr Mischtechnik Stirrer
DE10010371A1 (en) * 2000-03-02 2001-09-06 Pfeiffer Vacuum Gmbh Turbomolecular pump
DE10052637B4 (en) * 2000-10-24 2021-03-11 Pfeiffer Vacuum Gmbh 02/16/2001 Discs for a turbo molecular pump
US6554564B1 (en) 2001-11-14 2003-04-29 United Technologies Corporation Reduced noise fan exit guide vane configuration for turbofan engines
DE102007006915A1 (en) * 2007-02-13 2008-08-14 Oerlikon Leybold Vacuum Gmbh Turbo-molecular pump rotor element, has reinforcement element connecting parts of pinions with each other and providing improved distribution of loads during operation of rotor element
DE102014102681A1 (en) * 2014-02-28 2015-09-03 Pfeiffer Vacuum Gmbh stator
EP3034880B1 (en) * 2014-12-15 2019-10-16 Pfeiffer Vacuum Gmbh Rotor assembly for a vacuum pump and method for producing the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US764230A (en) * 1902-03-20 1904-07-05 Metropolitan Trust & Savings Bank Wheel for steam-turbines.
GB190620818A (en) * 1906-09-19 1907-09-19 William Llyod Wise Improvements in or relating to Steam Turbines.
US941411A (en) * 1908-05-07 1909-11-30 Westinghouse Machine Co Turbine-blade-holding means.
US1072233A (en) * 1912-11-07 1913-09-02 Emil Imle Steam-turbine blade.
US1347327A (en) * 1920-01-15 1920-07-20 Gen Electric Elastic-fluid turbine
US2357279A (en) * 1938-10-24 1944-08-29 Rendelstein Max Blower
US2405190A (en) * 1943-03-05 1946-08-06 Peerless Turbine Corp Fluid turbine
FR1121516A (en) * 1953-05-26 1956-08-20 Propellers and distributors for axial fans and turbines
FR81075E (en) * 1962-01-23 1963-07-26 Snecma Advanced Turbomolecular Vacuum Pump
US3189264A (en) * 1963-06-04 1965-06-15 Arthur Pfeiffer Company Vacuum pump drive and seal arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005349A (en) * 1977-10-03 1979-04-19 Rockwell International Corp Axial flow slurry pump
EP0442556A1 (en) * 1990-02-16 1991-08-21 VARIAN S.p.A. A stator for a turbo-molecular pump
US5158426A (en) * 1990-02-16 1992-10-27 Varian Associates, Inc. Stator assembly for a turbomolecular pump

Also Published As

Publication number Publication date
CH482119A (en) 1969-11-30
DE1503704A1 (en) 1970-07-30
US3477381A (en) 1969-11-11
FR1582018A (en) 1969-09-26
DE1503704C3 (en) 1972-03-23
DE1503704B2 (en) 1971-08-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees