NL184487C - Moleculaire pomp. - Google Patents

Moleculaire pomp.

Info

Publication number
NL184487C
NL184487C NLAANVRAGE7702017,A NL7702017A NL184487C NL 184487 C NL184487 C NL 184487C NL 7702017 A NL7702017 A NL 7702017A NL 184487 C NL184487 C NL 184487C
Authority
NL
Netherlands
Prior art keywords
molecular pump
molecular
pump
Prior art date
Application number
NLAANVRAGE7702017,A
Other languages
English (en)
Other versions
NL7702017A (nl
NL184487B (nl
Original Assignee
Ultra Centrifuge Nederland Nv
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 Ultra Centrifuge Nederland Nv filed Critical Ultra Centrifuge Nederland Nv
Priority to NLAANVRAGE7702017,A priority Critical patent/NL184487C/nl
Priority to US05/860,777 priority patent/US4270882A/en
Priority to AU32736/78A priority patent/AU516159B2/en
Priority to BR7801066A priority patent/BR7801066A/pt
Priority to DE2808125A priority patent/DE2808125C2/de
Priority to GB7733/78A priority patent/GB1588374A/en
Publication of NL7702017A publication Critical patent/NL7702017A/nl
Publication of NL184487B publication Critical patent/NL184487B/nl
Application granted granted Critical
Publication of NL184487C publication Critical patent/NL184487C/nl

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/08—Centrifuges for separating predominantly gaseous mixtures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/02—Casings; Lids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
NLAANVRAGE7702017,A 1977-02-25 1977-02-25 Moleculaire pomp. NL184487C (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NLAANVRAGE7702017,A NL184487C (nl) 1977-02-25 1977-02-25 Moleculaire pomp.
US05/860,777 US4270882A (en) 1977-02-25 1977-12-15 Molecular pump or, respectively, gas-tight sealing arrangement for a body placed in a housing and rapidly rotating about an axis
AU32736/78A AU516159B2 (en) 1977-02-25 1978-01-25 Molecular pump
BR7801066A BR7801066A (pt) 1977-02-25 1978-02-21 Bomba molecular
DE2808125A DE2808125C2 (de) 1977-02-25 1978-02-24 Molekularpumpe
GB7733/78A GB1588374A (en) 1977-02-25 1978-02-27 Molecular pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7702017,A NL184487C (nl) 1977-02-25 1977-02-25 Moleculaire pomp.

Publications (3)

Publication Number Publication Date
NL7702017A NL7702017A (nl) 1978-08-29
NL184487B NL184487B (nl) 1989-03-01
NL184487C true NL184487C (nl) 1989-08-01

Family

ID=19828052

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7702017,A NL184487C (nl) 1977-02-25 1977-02-25 Moleculaire pomp.

Country Status (6)

Country Link
US (1) US4270882A (nl)
AU (1) AU516159B2 (nl)
BR (1) BR7801066A (nl)
DE (1) DE2808125C2 (nl)
GB (1) GB1588374A (nl)
NL (1) NL184487C (nl)

Families Citing this family (17)

* 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.
US4579508A (en) * 1982-04-21 1986-04-01 Hitachi, Ltd. Turbomolecular pump
DE3410905A1 (de) * 1984-03-24 1985-10-03 Leybold-Heraeus GmbH, 5000 Köln Einrichtung zur foerderung von gasen bei subatmosphaerischen druecken
JPS6131695A (ja) * 1984-07-25 1986-02-14 Hitachi Ltd タ−ボ分子ポンプ
KR890004933B1 (ko) * 1985-07-31 1989-11-30 가부시기가이샤 히다찌세이사꾸쇼 터어보분자펌프
DE3627642C3 (de) * 1985-08-14 1996-03-21 Rikagaku Kenkyusho Vakuumpumpe mit Gewindekanal
GB2200166B (en) * 1986-12-24 1991-08-14 Flux Geraete Gmbh Pump and method for the assembly thereof
DE3705912A1 (de) * 1987-02-24 1988-09-01 Alcatel Hochvakuumtechnik Gmbh Hochvakuumpumpe mit einem glockenfoermigen rotor
DE9111278U1 (de) * 1991-09-11 1991-10-24 Fa. Andreas Stihl, 7050 Waiblingen Pumpe für viskose Flüssigkeiten
US5501583A (en) * 1992-08-19 1996-03-26 Hitachi, Ltd. Turbo vacuum pump
JP2998441B2 (ja) * 1992-08-19 2000-01-11 株式会社日立製作所 ターボ真空ポンプ
JPH0686503A (ja) * 1992-09-03 1994-03-25 Hitachi Ltd モータ、ポリゴンミラーモータ、ディスク駆動モータ
US6506025B1 (en) * 1999-06-23 2003-01-14 California Institute Of Technology Bladeless pump
CN2502048Y (zh) * 2001-09-20 2002-07-24 储琦 拖动分子泵
DE102014118881A1 (de) * 2014-12-17 2016-06-23 Pfeiffer Vacuum Gmbh Vakuumpumpe
CN111706530B (zh) * 2019-08-20 2021-06-29 苏州玛旭自动化科技有限公司 同轴双叶片气体隔离密封装置
JP2022062902A (ja) * 2020-10-09 2022-04-21 エドワーズ株式会社 真空ポンプ、および真空ポンプに備わる回転円筒体

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL264293A (nl) *
FR536278A (fr) * 1921-06-01 1922-04-29 Pompe hélicoïdale pour vides élevés
DE910204C (de) * 1950-04-12 1954-04-29 Philips Nv Hochvakuummolekularpumpe
US2730297A (en) * 1950-04-12 1956-01-10 Hartford Nat Bank & Trust Co High-vacuum molecular pump
US3131942A (en) * 1958-09-15 1964-05-05 Alsacienne Constr Meca Fluid-tight devices for rotating shafts
NL130345C (nl) * 1960-04-07
FR1265281A (fr) * 1960-05-18 1961-06-30 Rech S Electroniques Trilec So Dispositif pour produire un écoulement tourbillonnaire d'un fluide et applications de ce dispositif
US3066849A (en) * 1960-08-18 1962-12-04 Exemplar Inc High vacuum pump systems
US3150822A (en) * 1961-02-09 1964-09-29 Commissariat Energie Atomique Sealing and centering device for rotary shaft
NL128458C (nl) * 1961-08-14 1900-01-01
US3246901A (en) * 1963-04-02 1966-04-19 Du Pont Sealing arrangement for preventing escape of gas along a vertical rotating shaft
FR1475765A (fr) * 1966-01-31 1967-04-07 Snecma Perfectionnements aux appareils à arbre vertical tournant à grande vitesse
DE1933031C3 (de) * 1969-06-30 1978-10-26 Karl 5170 Juelich Boden Magnetische Lagerung
NL160639C (nl) * 1969-07-22 1979-11-15 Tno Leger met een gegroefd loopvlak.
DE2052120A1 (de) * 1970-10-23 1972-04-27 Pfeiffer Vakuumtechnik Lageranordnung für Molekularpumpen und Turbomolekularpumpen
NL149576B (nl) * 1971-06-25 1976-05-17 Stichting Reactor Centrum Trillingsdemper.
DE2403293C2 (de) * 1974-01-24 1984-01-12 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Rotationskörper
CH583856A5 (nl) * 1974-09-27 1977-01-14 Balzers Patent Beteilig Ag
DE2632977C3 (de) * 1976-07-22 1982-03-11 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Kühlvorrichtung zur Absenkung der Öltemperatur von ölgeschmierten Dämpfungslagern

Also Published As

Publication number Publication date
DE2808125C2 (de) 1987-02-19
US4270882A (en) 1981-06-02
DE2808125A1 (de) 1978-08-31
AU3273678A (en) 1979-08-02
NL7702017A (nl) 1978-08-29
NL184487B (nl) 1989-03-01
AU516159B2 (en) 1981-05-21
BR7801066A (pt) 1978-09-19
GB1588374A (en) 1981-04-23

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
A85 Still pending on 85-01-01
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

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