NL139579B - DISC FOR A PUMP. - Google Patents

DISC FOR A PUMP.

Info

Publication number
NL139579B
NL139579B NL281280A NL281280A NL139579B NL 139579 B NL139579 B NL 139579B NL 281280 A NL281280 A NL 281280A NL 281280 A NL281280 A NL 281280A NL 139579 B NL139579 B NL 139579B
Authority
NL
Netherlands
Prior art keywords
disc
pump
Prior art date
Application number
NL281280A
Other languages
Dutch (nl)
Original Assignee
Snecma
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 Snecma filed Critical Snecma
Publication of NL139579B publication Critical patent/NL139579B/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
NL281280A 1961-08-04 1962-07-23 DISC FOR A PUMP. NL139579B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR870094A FR1306013A (en) 1961-08-04 1961-08-04 Turbomolecular Vacuum Pumps Improvements

Publications (1)

Publication Number Publication Date
NL139579B true NL139579B (en) 1973-08-15

Family

ID=8760781

Family Applications (1)

Application Number Title Priority Date Filing Date
NL281280A NL139579B (en) 1961-08-04 1962-07-23 DISC FOR A PUMP.

Country Status (7)

Country Link
BE (1) BE619945A (en)
CH (1) CH410263A (en)
DE (1) DE1428238B2 (en)
FR (1) FR1306013A (en)
GB (1) GB1019272A (en)
LU (1) LU42061A1 (en)
NL (1) NL139579B (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
JPH1089284A (en) * 1996-09-12 1998-04-07 Seiko Seiki Co Ltd Turbo-molecular pump
JP3047292B1 (en) 1998-11-24 2000-05-29 セイコー精機株式会社 Turbo molecular pump and vacuum device
DE10103230A1 (en) 2001-01-25 2002-08-01 Leybold Vakuum Gmbh Turbomolecular vacuum pump with rotor and stator blades
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

Also Published As

Publication number Publication date
DE1428238A1 (en) 1969-08-07
LU42061A1 (en) 1962-09-14
FR1306013A (en) 1962-10-13
DE1428238B2 (en) 1971-11-25
BE619945A (en) 1963-01-09
CH410263A (en) 1966-03-31
GB1019272A (en) 1966-02-02

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: AVIATION

V4 Lapsed because of reaching the maxim lifetime of a patent