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GB1019273A - Improved rotary molecular vacuum pump - Google Patents

Improved rotary molecular vacuum pump

Info

Publication number
GB1019273A
GB1019273A GB29691/62A GB2969162A GB1019273A GB 1019273 A GB1019273 A GB 1019273A GB 29691/62 A GB29691/62 A GB 29691/62A GB 2969162 A GB2969162 A GB 2969162A GB 1019273 A GB1019273 A GB 1019273A
Authority
GB
United Kingdom
Prior art keywords
space
pump
oil
lubricating
shaft
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
GB29691/62A
Other languages
English (en)
Inventor
Henri Louis Garnier
Louis Jacques Desroches
Leonide Rubet
Raymond Hippolyte Firm Marchal
Jean Lutz
Louis Paul Henri Meulien
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
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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
Priority claimed from FR870093A external-priority patent/FR1304689A/fr
Priority claimed from FR885623A external-priority patent/FR81075E/fr
Application filed by Commissariat a lEnergie Atomique CEA, Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB1019273A publication Critical patent/GB1019273A/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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0653—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the motor having a plane air gap, e.g. disc-type
    • 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
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • 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
    • F05D2240/60—Shafts
    • F05D2240/61—Hollow

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
GB29691/62A 1961-08-04 1962-08-02 Improved rotary molecular vacuum pump Expired GB1019273A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR870093A FR1304689A (fr) 1961-08-04 1961-08-04 Pompe à vide turbomoléculaire perfectionnée
FR885623A FR81075E (fr) 1962-01-23 1962-01-23 Pompe à vide turbomoléculaire perfectionnée

Publications (1)

Publication Number Publication Date
GB1019273A true GB1019273A (en) 1966-02-02

Family

ID=26191765

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29691/62A Expired GB1019273A (en) 1961-08-04 1962-08-02 Improved rotary molecular vacuum pump

Country Status (4)

Country Link
BE (1) BE619944A (fr)
CH (1) CH465124A (fr)
GB (1) GB1019273A (fr)
LU (1) LU42063A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146073A (en) * 1983-08-16 1985-04-11 Seiko Seiki Kk Turbomolecular pumps

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59305085D1 (de) * 1992-06-19 1997-02-20 Leybold Ag Gasreibungsvakuumpumpe
DE19702456B4 (de) * 1997-01-24 2006-01-19 Pfeiffer Vacuum Gmbh Vakuumpumpe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146073A (en) * 1983-08-16 1985-04-11 Seiko Seiki Kk Turbomolecular pumps

Also Published As

Publication number Publication date
CH465124A (fr) 1968-11-15
BE619944A (fr) 1963-01-09
DE1428239A1 (de) 1969-06-19
DE1428239B2 (de) 1972-11-16
LU42063A1 (fr) 1962-09-14

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