NL7403784A - - Google Patents

Info

Publication number
NL7403784A
NL7403784A NL7403784A NL7403784A NL7403784A NL 7403784 A NL7403784 A NL 7403784A NL 7403784 A NL7403784 A NL 7403784A NL 7403784 A NL7403784 A NL 7403784A NL 7403784 A NL7403784 A NL 7403784A
Authority
NL
Netherlands
Application number
NL7403784A
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
Publication of NL7403784A publication Critical patent/NL7403784A/xx

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)
NL7403784A 1973-03-21 1974-03-20 NL7403784A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7310183A FR2222886A5 (enrdf_load_stackoverflow) 1973-03-21 1973-03-21

Publications (1)

Publication Number Publication Date
NL7403784A true NL7403784A (enrdf_load_stackoverflow) 1974-09-24

Family

ID=9116654

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7403784A NL7403784A (enrdf_load_stackoverflow) 1973-03-21 1974-03-20

Country Status (10)

Country Link
US (1) US3912415A (enrdf_load_stackoverflow)
JP (1) JPS49128306A (enrdf_load_stackoverflow)
BE (1) BE812288A (enrdf_load_stackoverflow)
CH (1) CH579219A5 (enrdf_load_stackoverflow)
DE (1) DE2411247C2 (enrdf_load_stackoverflow)
FR (1) FR2222886A5 (enrdf_load_stackoverflow)
GB (1) GB1459933A (enrdf_load_stackoverflow)
IT (1) IT1014568B (enrdf_load_stackoverflow)
NL (1) NL7403784A (enrdf_load_stackoverflow)
SU (1) SU667162A3 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105614A (nl) * 1981-12-14 1983-07-01 Ultra Centrifuge Nederland Nv Hoog-vacuum moleculair pomp.
JPS6238899A (ja) * 1985-08-14 1987-02-19 Osaka Shinku Kiki Seisakusho:Kk ねじ溝式真空ポンプ
DE3627642C3 (de) * 1985-08-14 1996-03-21 Rikagaku Kenkyusho Vakuumpumpe mit Gewindekanal
JPS6351195U (enrdf_load_stackoverflow) * 1986-09-20 1988-04-06
JPH06205706A (ja) * 1992-12-09 1994-07-26 Ciba Geigy Ag コンタクトレンズケース
GB2585936A (en) * 2019-07-25 2021-01-27 Edwards Ltd Drag pump
EP4194700B1 (de) * 2023-04-18 2025-02-12 Pfeiffer Vacuum Technology AG Vakuumpumpe mit einer holweck-pumpstufe mit veränderlicher holweck-geometrie

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR536278A (fr) * 1921-06-01 1922-04-29 Pompe hélicoïdale pour vides élevés
US1492846A (en) * 1922-05-11 1924-05-06 Mullard Radio Valve Co Ltd Vacuum pump
FR1293546A (fr) * 1961-02-09 1962-05-18 Alsacienne Constr Meca Perfectionnements aux pompes moléculaires rotatives
US3697190A (en) * 1970-11-03 1972-10-10 Walter D Haentjens Truncated conical drag pump
DE2118738C3 (de) * 1971-04-17 1974-11-14 Dornier Dmbh, 7990 Friedrichshafen Molekularpumpe, bestehend aus einem mit Innengewinde versehenen zylindrischen Stator

Also Published As

Publication number Publication date
CH579219A5 (enrdf_load_stackoverflow) 1976-08-31
DE2411247A1 (de) 1974-09-26
SU667162A3 (ru) 1979-06-05
US3912415A (en) 1975-10-14
GB1459933A (en) 1976-12-31
FR2222886A5 (enrdf_load_stackoverflow) 1974-10-18
BE812288A (fr) 1974-09-16
IT1014568B (it) 1977-04-30
DE2411247C2 (de) 1983-03-24
JPS49128306A (enrdf_load_stackoverflow) 1974-12-09

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Legal Events

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