NL264293A - - Google Patents

Info

Publication number
NL264293A
NL264293A NL264293DA NL264293A NL 264293 A NL264293 A NL 264293A NL 264293D A NL264293D A NL 264293DA NL 264293 A NL264293 A NL 264293A
Authority
NL
Netherlands
Application number
Publication of NL264293A publication Critical patent/NL264293A/xx

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00Axial-flow pumps
    • F04D19/02Multi-stage pumps
    • F04D19/04Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/044Holweck-type pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
NL264293D NL264293A (ja)

Publications (1)

Publication Number Publication Date
NL264293A true NL264293A (ja)

Family

ID=1864722

Family Applications (1)

Application Number Title Priority Date Filing Date
NL264293D NL264293A (ja)

Country Status (1)

Country Link
NL (1) NL264293A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.

Similar Documents

Publication Publication Date Title
US4270882A (en) Molecular pump or, respectively, gas-tight sealing arrangement for a body placed in a housing and rapidly rotating about an axis
FR1475765A (fr) Perfectionnements aux appareils à arbre vertical tournant à grande vitesse
US3246901A (en) Sealing arrangement for preventing escape of gas along a vertical rotating shaft
DE2632977C3 (de) Kühlvorrichtung zur Absenkung der Öltemperatur von ölgeschmierten Dämpfungslagern
CN111706529B (zh) 一种同轴双叶片气体隔离密封装置
US4875827A (en) Fluid pump and method for making the same
US4002378A (en) Vertically supported rotary body
US5281086A (en) Pump for viscous fluids
DE910204C (de) Hochvakuummolekularpumpe
CN2502048Y (zh) 拖动分子泵
FR536278A (fr) Pompe hélicoïdale pour vides élevés
FR1265281A (fr) Dispositif pour produire un écoulement tourbillonnaire d'un fluide et applications de ce dispositif
NL264293A (ja)