FR2338578B1 - - Google Patents

Info

Publication number
FR2338578B1
FR2338578B1 FR7700991A FR7700991A FR2338578B1 FR 2338578 B1 FR2338578 B1 FR 2338578B1 FR 7700991 A FR7700991 A FR 7700991A FR 7700991 A FR7700991 A FR 7700991A FR 2338578 B1 FR2338578 B1 FR 2338578B1
Authority
FR
France
Prior art keywords
voltage
anode
rotor
magnetic bearing
earth potential
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
FR7700991A
Other languages
English (en)
French (fr)
Other versions
FR2338578A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2338578A1 publication Critical patent/FR2338578A1/fr
Application granted granted Critical
Publication of FR2338578B1 publication Critical patent/FR2338578B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0474—Active magnetic bearings for rotary movement
    • F16C32/0489—Active magnetic bearings for rotary movement with active support of five degrees of freedom, e.g. two radial magnetic bearings combined with an axial bearing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/08—Anodes; Anti cathodes
    • H01J35/10—Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes
    • H01J35/101—Arrangements for rotating anodes, e.g. supporting means, means for greasing, means for sealing the axle or means for shielding or protecting the driving
    • H01J35/1017—Bearings for rotating anodes
    • H01J35/103—Magnetic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/16—X-ray tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • X-Ray Techniques (AREA)
FR7700991A 1976-01-16 1977-01-14 Tube de rontgen a anode rotative supportee par voie magnetique Granted FR2338578A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2601529A DE2601529C2 (de) 1976-01-16 1976-01-16 Magnetische Lagerung der Drehwelle der Drehanode für eine Röntgenröhre

Publications (2)

Publication Number Publication Date
FR2338578A1 FR2338578A1 (fr) 1977-08-12
FR2338578B1 true FR2338578B1 (OSRAM) 1983-07-22

Family

ID=5967603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700991A Granted FR2338578A1 (fr) 1976-01-16 1977-01-14 Tube de rontgen a anode rotative supportee par voie magnetique

Country Status (7)

Country Link
US (1) US4081707A (OSRAM)
JP (1) JPS5843860B2 (OSRAM)
BE (1) BE850407A (OSRAM)
CA (1) CA1063151A (OSRAM)
DE (1) DE2601529C2 (OSRAM)
FR (1) FR2338578A1 (OSRAM)
GB (1) GB1557338A (OSRAM)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2716079C2 (de) * 1977-04-12 1979-04-05 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Drehanodenröntgenröhre
DE2845007C2 (de) * 1978-10-16 1983-05-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Drehanoden-Röntgenröhre mit einem Metallkolben
NL7902477A (nl) * 1979-03-30 1980-10-02 Philips Nv Roentgenbuis met een magnetisch gelagerde draaianode.
NL7903580A (nl) * 1979-05-08 1980-11-11 Philips Nv Draaianode roentgenbuis met axiaal-magneetlager en radiaal-glijlager.
US4309637A (en) * 1979-11-13 1982-01-05 Emi Limited Rotating anode X-ray tube
JPS5819844A (ja) * 1981-07-30 1983-02-05 Toshiba Corp 回転陽極ｘ線管用磁気軸受装置
DE3142281A1 (de) * 1981-10-24 1983-05-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Roentgenroehre mit einem metallteil und einer gegenueber dem metallteil positive hochspannung fuehrenden elektrode
DE3149936A1 (de) * 1981-12-16 1983-06-23 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehren
DE3233064A1 (de) * 1982-09-06 1984-03-08 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehre
DE3233076A1 (de) * 1982-09-06 1984-03-08 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehre
FR2548829B1 (fr) * 1983-07-06 1985-11-22 Thomson Csf Tube a rayons x a anode tournante muni d'un dispositif d'ecoulement des charges
JPS6078109A (ja) * 1983-09-30 1985-05-02 Toshiba Corp 磁気軸受
NL8303832A (nl) * 1983-11-08 1985-06-03 Philips Nv Roentgenbuis met spiraalgroeflager.
DE3343886A1 (de) * 1983-12-05 1985-06-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Drehanoden-roentgenroehre mit einem gleitlager
JPS60163355A (ja) * 1984-02-03 1985-08-26 Toshiba Corp Ｘ線管装置
JPS60164013A (ja) * 1984-02-03 1985-08-27 Toshiba Corp 磁気軸受
US4674109A (en) * 1984-09-29 1987-06-16 Kabushiki Kaisha Toshiba Rotating anode x-ray tube device
US4679220A (en) * 1985-01-23 1987-07-07 Kabushiki Kaisha Toshiba X-ray tube device with a rotatable anode
FR2632451B1 (fr) * 1988-06-06 1990-09-28 Mecanique Magnetique Sa Tube a rayons x a anode rotative montee sur une suspension magnetique
DE19931296A1 (de) * 1999-07-07 2001-01-11 Philips Corp Intellectual Pty Drehanoden-Röntgenröhre mit axialer Lagerung
JP4357094B2 (ja) 1999-08-10 2009-11-04 株式会社東芝 回転陽極型ｘ線管及びそれを内蔵したｘ線管装置
DE102006037543B4 (de) * 2006-08-10 2009-08-27 Aerolas Gmbh, Aerostatische Lager- Lasertechnik Vorrichtung mit einem direkt angetriebenen Rotationskörper und aerostatisches Lager
JP6571501B2 (ja) 2015-11-24 2019-09-04 キヤノンメディカルシステムズ株式会社 Ｘ線管及びｘ線ｃｔ装置
EP3430638A4 (en) * 2016-03-18 2020-02-12 Varex Imaging Corporation MAGNETIC LIFTING DEVICE FOR AN X-RAY TUBE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080250A5 (OSRAM) * 1970-02-27 1971-11-12 Radiologie Cie Gle
US3909082A (en) * 1972-08-30 1975-09-30 Hitachi Ltd Magnetic bearing devices
DE2262757C3 (de) * 1972-12-21 1979-06-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen RöntgenrShrendrehanodenlagerung
DE2455974C3 (de) * 1974-11-27 1979-08-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Drehanodenröntgenröhre
JPS5944624B2 (ja) * 1978-09-22 1984-10-31 富士写真フイルム株式会社 カラ−拡散転写法用写真感光シ−ト

Also Published As

Publication number Publication date
DE2601529C2 (de) 1982-04-29
JPS5289088A (en) 1977-07-26
GB1557338A (en) 1979-12-05
JPS5843860B2 (ja) 1983-09-29
DE2601529A1 (de) 1977-07-21
US4081707A (en) 1978-03-28
FR2338578A1 (fr) 1977-08-12
BE850407A (fr) 1977-07-14
CA1063151A (en) 1979-09-25

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Legal Events

Date Code Title Description
ST Notification of lapse