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FR1297182A - Turbomolecular vacuum pump - Google Patents

Turbomolecular vacuum pump

Info

Publication number
FR1297182A
FR1297182A FR861775A FR861775A FR1297182A FR 1297182 A FR1297182 A FR 1297182A FR 861775 A FR861775 A FR 861775A FR 861775 A FR861775 A FR 861775A FR 1297182 A FR1297182 A FR 1297182A
Authority
FR
France
Prior art keywords
vacuum pump
turbomolecular vacuum
turbomolecular
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.)
Expired
Application number
FR861775A
Other languages
French (fr)
Inventor
Henri Louis Garnier
Leonide Rubet
Raymond Hippolyte
Firmin Marchal
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Priority to FR861775A priority Critical patent/FR1297182A/en
Priority to BE615904A priority patent/BE615904A/en
Priority to GB13013/62A priority patent/GB936175A/en
Priority to LU41495D priority patent/LU41495A1/xx
Priority to DE19621428233 priority patent/DE1428233C/en
Priority to NL62278415A priority patent/NL142222B/en
Application granted granted Critical
Publication of FR1297182A publication Critical patent/FR1297182A/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
    • F04D29/324—Blades
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/70—Shape

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)
FR861775A 1961-05-15 1961-05-15 Turbomolecular vacuum pump Expired FR1297182A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR861775A FR1297182A (en) 1961-05-15 1961-05-15 Turbomolecular vacuum pump
BE615904A BE615904A (en) 1961-05-15 1962-04-02 Turbomolecular vacuum pump
GB13013/62A GB936175A (en) 1961-05-15 1962-04-04 Improvements in or relating to rotary high-vacuum pumps
LU41495D LU41495A1 (en) 1961-05-15 1962-04-05
DE19621428233 DE1428233C (en) 1961-05-15 1962-04-12 Blading for a turbo molecular pump
NL62278415A NL142222B (en) 1961-05-15 1962-05-14 ROTATING MOLECULAR PUMP.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR861775A FR1297182A (en) 1961-05-15 1961-05-15 Turbomolecular vacuum pump

Publications (1)

Publication Number Publication Date
FR1297182A true FR1297182A (en) 1962-06-29

Family

ID=8755156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861775A Expired FR1297182A (en) 1961-05-15 1961-05-15 Turbomolecular vacuum pump

Country Status (5)

Country Link
BE (1) BE615904A (en)
FR (1) FR1297182A (en)
GB (1) GB936175A (en)
LU (1) LU41495A1 (en)
NL (1) NL142222B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644051A (en) * 1969-10-27 1972-02-22 Sargent Welch Scientific Co Turbomolecular and stator pump having improved rotor construction
FR2355177A1 (en) * 1975-06-17 1978-01-13 Bradbury Inventions Pty Ltd Multi-stage axial flow turbine - has stator blades at 45 degrees in opposition to blades on rotor
US4770574A (en) * 1985-03-01 1988-09-13 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh Discs with blades

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10046506A1 (en) * 2000-09-20 2002-03-28 Leybold Vakuum Gmbh Turbo-molecular vacuum pump has part of blades thickened in region of pressure side edge
GB2498816A (en) 2012-01-27 2013-07-31 Edwards Ltd Vacuum pump
GB2612781B (en) * 2021-11-10 2024-04-10 Edwards Ltd Turbomolecular pump bladed disc

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644051A (en) * 1969-10-27 1972-02-22 Sargent Welch Scientific Co Turbomolecular and stator pump having improved rotor construction
FR2355177A1 (en) * 1975-06-17 1978-01-13 Bradbury Inventions Pty Ltd Multi-stage axial flow turbine - has stator blades at 45 degrees in opposition to blades on rotor
US4770574A (en) * 1985-03-01 1988-09-13 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh Discs with blades

Also Published As

Publication number Publication date
BE615904A (en) 1962-10-02
DE1428233A1 (en) 1969-01-09
NL142222B (en) 1974-05-15
GB936175A (en) 1963-09-04
LU41495A1 (en) 1962-06-05
DE1428233B2 (en) 1972-07-27

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