IT1014568B - Perfezionamento alle pompe molecolari a vuoto spinto a tambuto cilindrico - Google Patents

Perfezionamento alle pompe molecolari a vuoto spinto a tambuto cilindrico

Info

Publication number
IT1014568B
IT1014568B IT20962/74A IT2096274A IT1014568B IT 1014568 B IT1014568 B IT 1014568B IT 20962/74 A IT20962/74 A IT 20962/74A IT 2096274 A IT2096274 A IT 2096274A IT 1014568 B IT1014568 B IT 1014568B
Authority
IT
Italy
Prior art keywords
improvement
vacuum pumps
molecular vacuum
cylindrical thrust
thrust push
Prior art date
Application number
IT20962/74A
Other languages
English (en)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of IT1014568B publication Critical patent/IT1014568B/it

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)
IT20962/74A 1973-03-21 1974-04-08 Perfezionamento alle pompe molecolari a vuoto spinto a tambuto cilindrico IT1014568B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1014568B true IT1014568B (it) 1977-04-30

Family

ID=9116654

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20962/74A IT1014568B (it) 1973-03-21 1974-04-08 Perfezionamento alle pompe molecolari a vuoto spinto a tambuto cilindrico

Country Status (10)

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

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.
DE3627642C3 (de) * 1985-08-14 1996-03-21 Rikagaku Kenkyusho Vakuumpumpe mit Gewindekanal
JPS6238899A (ja) * 1985-08-14 1987-02-19 Osaka Shinku Kiki Seisakusho:Kk ねじ溝式真空ポンプ
JPS6351195U (it) * 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
EP4194700A1 (de) * 2023-04-18 2023-06-14 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
BE812288A (fr) 1974-09-16
NL7403784A (it) 1974-09-24
SU667162A3 (ru) 1979-06-05
DE2411247C2 (de) 1983-03-24
GB1459933A (en) 1976-12-31
FR2222886A5 (it) 1974-10-18
CH579219A5 (it) 1976-08-31
JPS49128306A (it) 1974-12-09
DE2411247A1 (de) 1974-09-26
US3912415A (en) 1975-10-14

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