JPH0352175B2 - - Google Patents

Info

Publication number
JPH0352175B2
JPH0352175B2 JP55060058A JP6005880A JPH0352175B2 JP H0352175 B2 JPH0352175 B2 JP H0352175B2 JP 55060058 A JP55060058 A JP 55060058A JP 6005880 A JP6005880 A JP 6005880A JP H0352175 B2 JPH0352175 B2 JP H0352175B2
Authority
JP
Japan
Prior art keywords
bearing
ray tube
metal
rotating anode
rotor
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 - Lifetime
Application number
JP55060058A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55151756A (en
Inventor
Gerukema Yan
Mariusu Hendoriku Kamerubeeku Eberuto
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
Koninklijke Philips Electronics 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JPS55151756A publication Critical patent/JPS55151756A/ja
Publication of JPH0352175B2 publication Critical patent/JPH0352175B2/ja
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
    • F16C32/0459—Details of the magnetic circuit
    • F16C32/0461—Details of the magnetic circuit of stationary parts of the magnetic circuit
    • F16C32/0465—Details of the magnetic circuit of stationary parts of the magnetic circuit with permanent magnets provided in the magnetic circuit of the electromagnets
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
    • 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
    • F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
    • 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
    • F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/102—Construction relative to lubrication with grease as lubricant
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/122—Multilayer structures of sleeves, washers or liners
    • 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
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • 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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/05—Metals; Alloys
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids
    • 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
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/60—Ferrous alloys, e.g. steel alloys
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/10—Drive means for anode (target) substrate
    • H01J2235/108—Lubricants
    • H01J2235/1086—Lubricants liquid metals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • X-Ray Techniques (AREA)
  • Support Of The Bearing (AREA)
JP6005880A 1979-05-08 1980-05-08 Xxray tube Granted JPS55151756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7903580A NL7903580A (nl) 1979-05-08 1979-05-08 Draaianode roentgenbuis met axiaal-magneetlager en radiaal-glijlager.

Publications (2)

Publication Number Publication Date
JPS55151756A JPS55151756A (en) 1980-11-26
JPH0352175B2 true JPH0352175B2 (OSRAM) 1991-08-09

Family

ID=19833120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6005880A Granted JPS55151756A (en) 1979-05-08 1980-05-08 Xxray tube

Country Status (8)

Country Link
US (1) US4357555A (OSRAM)
JP (1) JPS55151756A (OSRAM)
CH (1) CH644970A5 (OSRAM)
DE (1) DE3017291C2 (OSRAM)
ES (1) ES491187A0 (OSRAM)
FR (1) FR2456383A1 (OSRAM)
GB (1) GB2055432B (OSRAM)
NL (1) NL7903580A (OSRAM)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149936A1 (de) * 1981-12-16 1983-06-23 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehren
FR2528923A1 (fr) * 1982-06-17 1983-12-23 Europ Propulsion Dispositif de suspension magnetique d'un rotor place dans une enceinte etanche
DE3233076A1 (de) * 1982-09-06 1984-03-08 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehre
DE3233064A1 (de) * 1982-09-06 1984-03-08 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehre
NL8303422A (nl) * 1983-10-06 1985-05-01 Philips Nv Roentgenbuis met draaianode.
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
NL8400072A (nl) * 1984-01-10 1985-08-01 Philips Nv Roentgenbuis met een spiraalgroeflager.
JPS60163355A (ja) * 1984-02-03 1985-08-26 Toshiba Corp Ｘ線管装置
DE3407269A1 (de) * 1984-02-28 1985-08-29 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehre
US4852140A (en) * 1987-06-11 1989-07-25 Siemens Medical Systems, Inc. X-ray tube bearing arc suppressor
US5150398A (en) * 1988-07-06 1992-09-22 Kabushiki Kaisha Toshiba Bearing and rotary anode X-ray tube employing the bearing
US5052034A (en) * 1989-10-30 1991-09-24 Siemens Aktiengesellschaft X-ray generator
JP2592052Y2 (ja) * 1990-09-28 1999-03-17 光洋精工株式会社 回転陽極を有するｘ線管用動圧軸受
US5483570A (en) * 1994-06-24 1996-01-09 General Electric Company Bearings for x-ray tubes
DE19630351C1 (de) * 1996-07-26 1997-11-27 Siemens Ag Röntgenröhre mit einem Gleitlager
JPH10184685A (ja) * 1996-12-25 1998-07-14 Fuji Xerox Co Ltd 磁気軸受
JPH11213926A (ja) * 1998-01-23 1999-08-06 Toshiba Corp 回転陽極型ｘ線管の製造方法
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
JP3892674B2 (ja) * 2001-02-23 2007-03-14 株式会社東芝 回転陽極型ｘ線管
US7113568B2 (en) * 2005-01-18 2006-09-26 General Electric Company Liquid cooled bearing housing with greased lubricated rotating anode bearings for an x-ray tube
JP4817859B2 (ja) * 2005-03-04 2011-11-16 株式会社東芝 放射線絞り装置及び当該絞り装置を有する放射線治療装置
EP1801436A1 (de) * 2005-11-24 2007-06-27 Siemens Aktiengesellschaft Magnetlager
JP2008196548A (ja) * 2007-02-09 2008-08-28 Ihi Corp 磁気軸受装置
DE102008012603B4 (de) * 2008-03-05 2010-07-08 Siemens Aktiengesellschaft Maschine mit Fanglager mit Gleitschicht aus Flüssigmetall
DE102008062671B4 (de) * 2008-12-17 2011-05-12 Siemens Aktiengesellschaft Röntgeneinrichtung
DE102018201394B3 (de) * 2018-01-30 2019-05-29 Siemens Healthcare Gmbh Röntgenanordnung mit auf minimale Brennfleckbewegung optimiertem Stator
US10672585B2 (en) * 2018-09-28 2020-06-02 Varex Imaging Corporation Vacuum penetration for magnetic assist bearing
CN109322918A (zh) * 2018-11-05 2019-02-12 南京航空航天大学 一种磁悬浮轴承径向保护结构
CN109356933A (zh) * 2018-11-05 2019-02-19 南京航空航天大学 一种配合磁悬浮轴承使用的径向保护环结构
CN109322917A (zh) * 2018-11-05 2019-02-12 南京航空航天大学 一种磁悬浮轴承径向和轴向保护结构

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2293527A (en) * 1940-11-02 1942-08-18 Gen Electric X Ray Corp X-ray generator lubricating structure
US2335225A (en) * 1940-11-25 1943-11-30 Gen Electric X Ray Corp Bearing structure
US3720853A (en) * 1971-03-02 1973-03-13 Picker Corp Bearing structure for x-ray tube with rotating anode
IT942651B (it) * 1971-09-30 1973-04-02 Elettrorava Spa Cuscinetto magnetico radiale
DE2213184A1 (de) * 1972-03-17 1973-09-27 Siemens Ag Drehanoden-roentgenroehre
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
NL7307042A (OSRAM) * 1973-05-21 1974-11-25
DE2601529C2 (de) * 1976-01-16 1982-04-29 Philips Patentverwaltung Gmbh, 2000 Hamburg Magnetische Lagerung der Drehwelle der Drehanode für eine Röntgenröhre
US4097760A (en) * 1976-07-21 1978-06-27 Picker Corporation X-ray tube having bearing lubrication
NL7713634A (nl) * 1977-12-09 1979-06-12 Philips Nv Roentgenbuis met draaianode.

Also Published As

Publication number Publication date
FR2456383A1 (fr) 1980-12-05
DE3017291C2 (de) 1984-02-23
CH644970A5 (de) 1984-08-31
FR2456383B1 (OSRAM) 1983-05-13
GB2055432A (en) 1981-03-04
NL7903580A (nl) 1980-11-11
ES8101327A1 (es) 1980-12-01
JPS55151756A (en) 1980-11-26
ES491187A0 (es) 1980-12-01
GB2055432B (en) 1983-10-12
DE3017291A1 (de) 1980-11-20
US4357555A (en) 1982-11-02

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