GB180991A - - Google Patents

Info

Publication number
GB180991A
GB180991A GB12653/22A GB1265322A GB180991A GB 180991 A GB180991 A GB 180991A GB 12653/22 A GB12653/22 A GB 12653/22A GB 1265322 A GB1265322 A GB 1265322A GB 180991 A GB180991 A GB 180991A
Authority
GB
United Kingdom
Prior art keywords
rotor
stator
inlet
driven
grooved
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
GB12653/22A
Other languages
English (en)
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.)
FERNAND HIPPOLYTE LOUIS HOLWECK
Original Assignee
FERNAND HIPPOLYTE LOUIS HOLWECK
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 FERNAND HIPPOLYTE LOUIS HOLWECK filed Critical FERNAND HIPPOLYTE LOUIS HOLWECK
Publication of GB180991A publication Critical patent/GB180991A/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
    • F04D19/044—Holweck-type pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
GB12653/22A 1921-06-01 1922-05-04 Expired GB180991A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR180991T 1921-06-01

Publications (1)

Publication Number Publication Date
GB180991A true GB180991A (de) 1923-08-07

Family

ID=31897537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12653/22A Expired GB180991A (de) 1921-06-01 1922-05-04

Country Status (1)

Country Link
GB (1) GB180991A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081890A1 (de) * 1981-12-14 1983-06-22 Ultra-Centrifuge Nederland N.V. Hochvakuum-Turbomolekularpumpe
EP2295812A1 (de) * 2009-07-30 2011-03-16 Pfeiffer Vacuum Gmbh Vakuumpumpe
EP2565464A3 (de) * 2011-09-05 2015-04-15 Pfeiffer Vacuum GmbH Vakuumpumpe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081890A1 (de) * 1981-12-14 1983-06-22 Ultra-Centrifuge Nederland N.V. Hochvakuum-Turbomolekularpumpe
EP2295812A1 (de) * 2009-07-30 2011-03-16 Pfeiffer Vacuum Gmbh Vakuumpumpe
EP2565464A3 (de) * 2011-09-05 2015-04-15 Pfeiffer Vacuum GmbH Vakuumpumpe
DE102011112689B4 (de) 2011-09-05 2024-03-21 Pfeiffer Vacuum Gmbh Vakuumpumpe

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