NL141612B - DISC FOR A TURBO-MOLECULAR PUMP. - Google Patents

DISC FOR A TURBO-MOLECULAR PUMP.

Info

Publication number
NL141612B
NL141612B NL707010096A NL7010096A NL141612B NL 141612 B NL141612 B NL 141612B NL 707010096 A NL707010096 A NL 707010096A NL 7010096 A NL7010096 A NL 7010096A NL 141612 B NL141612 B NL 141612B
Authority
NL
Netherlands
Prior art keywords
turbo
disc
molecular pump
molecular
pump
Prior art date
Application number
NL707010096A
Other languages
Dutch (nl)
Other versions
NL7010096A (en
Original Assignee
Balzers Patent Beteilig Ag
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 Balzers Patent Beteilig Ag filed Critical Balzers Patent Beteilig Ag
Publication of NL7010096A publication Critical patent/NL7010096A/xx
Publication of NL141612B publication Critical patent/NL141612B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00Axial-flow pumps
    • F04D19/02Multi-stage pumps
    • F04D19/04Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/042Turbomolecular vacuum pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/02Selection of particular materials
    • F04D29/023Selection of particular materials especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/54Fluid-guiding means, e.g. diffusers
    • F04D29/541Specially adapted for elastic fluid pumps
    • F04D29/542Bladed diffusers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/54Fluid-guiding means, e.g. diffusers
    • F04D29/541Specially adapted for elastic fluid pumps
    • F04D29/542Bladed diffusers
    • F04D29/544Blade shapes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00Manufacture
    • F05D2230/50Building or constructing in particular ways
    • F05D2230/54Building or constructing in particular ways by sheet metal manufacturing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
NL707010096A 1970-04-10 1970-07-08 DISC FOR A TURBO-MOLECULAR PUMP. NL141612B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH540470A CH499019A (en) 1970-04-10 1970-04-10 Disc for a turbo-molecular vacuum pump

Publications (2)

Publication Number Publication Date
NL7010096A NL7010096A (en) 1971-10-12
NL141612B true NL141612B (en) 1974-03-15

Family

ID=4293012

Family Applications (1)

Application Number Title Priority Date Filing Date
NL707010096A NL141612B (en) 1970-04-10 1970-07-08 DISC FOR A TURBO-MOLECULAR PUMP.

Country Status (5)

Country Link
CH (1) CH499019A (en)
DE (1) DE2050555C3 (en)
FR (1) FR2074450A5 (en)
GB (1) GB1275386A (en)
NL (1) NL141612B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3507274A1 (en) * 1985-03-01 1986-09-04 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar DISC WITH SHOVELS HIGH STABILITY FOR TURBOMOLECULAR PUMPS
DE10052637B4 (en) * 2000-10-24 2021-03-11 Pfeiffer Vacuum Gmbh 02/16/2001 Discs for a turbo molecular pump
JP6241222B2 (en) * 2013-01-22 2017-12-06 株式会社島津製作所 Vacuum pump
DE102013213256A1 (en) * 2013-07-05 2015-01-08 Oerlikon Leybold 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

Also Published As

Publication number Publication date
DE2050555B2 (en) 1973-08-09
DE2050555C3 (en) 1974-03-14
NL7010096A (en) 1971-10-12
CH499019A (en) 1970-11-15
DE2050555A1 (en) 1971-10-28
FR2074450A5 (en) 1971-10-01
GB1275386A (en) 1972-05-24

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: BALZERS