FR536278A - Pompe hélicoïdale pour vides élevés - Google Patents

Pompe hélicoïdale pour vides élevés

Info

Publication number
FR536278A
FR536278A FR536278DA FR536278A FR 536278 A FR536278 A FR 536278A FR 536278D A FR536278D A FR 536278DA FR 536278 A FR536278 A FR 536278A
Authority
FR
France
Prior art keywords
high vacuum
helical pump
helical
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
Other languages
English (en)
Inventor
Fernand-Hippolyte-Lo 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 filed Critical
Application granted granted Critical
Publication of FR536278A publication Critical patent/FR536278A/fr
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)
FR536278D 1921-06-01 1921-06-01 Pompe hélicoïdale pour vides élevés Expired FR536278A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR536278T 1921-06-01

Publications (1)

Publication Number Publication Date
FR536278A true FR536278A (fr) 1922-04-29

Family

ID=8926712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR536278D Expired FR536278A (fr) 1921-06-01 1921-06-01 Pompe hélicoïdale pour vides élevés

Country Status (1)

Country Link
FR (1) FR536278A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2411247A1 (de) * 1973-03-21 1974-09-26 Cit Alcatel Hochvakuum-molekularpumpe mit zylindertrommel
NL7702017A (nl) * 1977-02-25 1978-08-29 Ultra Centrifuge Nederland Nv Moleculairpomp resp. gasdichte doorvoering voor een in een huis geplaatst snel om een as draaiend lichaam.
DE102010021015A1 (de) 2010-05-19 2011-11-24 O3-innovation Ursula Bürger e.Kfr. Wärmepumpe mit gewendelten Kolben gleichen Profilquerschnitts für die Erzeugung von Kälte und Wärme

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2411247A1 (de) * 1973-03-21 1974-09-26 Cit Alcatel Hochvakuum-molekularpumpe mit zylindertrommel
NL7702017A (nl) * 1977-02-25 1978-08-29 Ultra Centrifuge Nederland Nv Moleculairpomp resp. gasdichte doorvoering voor een in een huis geplaatst snel om een as draaiend lichaam.
DE102010021015A1 (de) 2010-05-19 2011-11-24 O3-innovation Ursula Bürger e.Kfr. Wärmepumpe mit gewendelten Kolben gleichen Profilquerschnitts für die Erzeugung von Kälte und Wärme

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