NL7903580A - Draaianode roentgenbuis met axiaal-magneetlager en radiaal-glijlager. - Google Patents

Draaianode roentgenbuis met axiaal-magneetlager en radiaal-glijlager. Download PDF

Info

Publication number
NL7903580A
NL7903580A NL7903580A NL7903580A NL7903580A NL 7903580 A NL7903580 A NL 7903580A NL 7903580 A NL7903580 A NL 7903580A NL 7903580 A NL7903580 A NL 7903580A NL 7903580 A NL7903580 A NL 7903580A
Authority
NL
Netherlands
Prior art keywords
bearing
motor
stator
ray tube
rotor
Prior art date
Application number
NL7903580A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL7903580A priority Critical patent/NL7903580A/nl
Priority to FR8009992A priority patent/FR2456383A1/fr
Priority to CH349580A priority patent/CH644970A5/de
Priority to ES491187A priority patent/ES8101327A1/es
Priority to DE3017291A priority patent/DE3017291C2/de
Priority to GB8015168A priority patent/GB2055432B/en
Priority to JP6005880A priority patent/JPS55151756A/ja
Priority to US06/147,885 priority patent/US4357555A/en
Publication of NL7903580A publication Critical patent/NL7903580A/nl

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)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Sliding-Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Support Of The Bearing (AREA)
  • X-Ray Techniques (AREA)
NL7903580A 1979-05-08 1979-05-08 Draaianode roentgenbuis met axiaal-magneetlager en radiaal-glijlager. NL7903580A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL7903580A NL7903580A (nl) 1979-05-08 1979-05-08 Draaianode roentgenbuis met axiaal-magneetlager en radiaal-glijlager.
FR8009992A FR2456383A1 (fr) 1979-05-08 1980-05-05 Tube de rontgen a anode rotative supportee axialement par un palier magnetique et radialement par un palier lisse
CH349580A CH644970A5 (de) 1979-05-08 1980-05-05 Drehanoden-roentgenroehre mit axialem magnetlager und radialem gleitlager.
ES491187A ES8101327A1 (es) 1979-05-08 1980-05-06 Un tubo de rayos x perfeccionado
DE3017291A DE3017291C2 (de) 1979-05-08 1980-05-06 Drehanoden-Röntgenröhre mit axialem Magnetlager
GB8015168A GB2055432B (en) 1979-05-08 1980-05-07 Rotary-anode x-ray tube having an axial magnetic bearing and a radial sleeve bearing
JP6005880A JPS55151756A (en) 1979-05-08 1980-05-08 Xxray tube
US06/147,885 US4357555A (en) 1979-05-08 1980-05-08 Rotary anode X-ray tube

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7903580A NL7903580A (nl) 1979-05-08 1979-05-08 Draaianode roentgenbuis met axiaal-magneetlager en radiaal-glijlager.
NL7903580 1979-05-08

Publications (1)

Publication Number Publication Date
NL7903580A true NL7903580A (nl) 1980-11-11

Family

ID=19833120

Family Applications (1)

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

Country Status (8)

Country Link
US (1) US4357555A (de)
JP (1) JPS55151756A (de)
CH (1) CH644970A5 (de)
DE (1) DE3017291C2 (de)
ES (1) ES8101327A1 (de)
FR (1) FR2456383A1 (de)
GB (1) GB2055432B (de)
NL (1) NL7903580A (de)

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
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
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

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 (de) * 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
US4357555A (en) 1982-11-02
JPH0352175B2 (de) 1991-08-09
GB2055432B (en) 1983-10-12
ES491187A0 (es) 1980-12-01
ES8101327A1 (es) 1980-12-01
JPS55151756A (en) 1980-11-26
DE3017291C2 (de) 1984-02-23
FR2456383B1 (de) 1983-05-13
DE3017291A1 (de) 1980-11-20
GB2055432A (en) 1981-03-04
CH644970A5 (de) 1984-08-31
FR2456383A1 (fr) 1980-12-05

Similar Documents

Publication Publication Date Title
NL7903580A (nl) Draaianode roentgenbuis met axiaal-magneetlager en radiaal-glijlager.
US4097759A (en) X-ray tube
US20060051980A1 (en) Rotary current-collecting device and rotating anode X-ray tube
US4856039A (en) X-ray tube having a rotary anode with rhenium-containing bearing surfaces for a gallium-alloy lubricant
KR940009325B1 (ko) 회전 양극형 x선관
KR970002680B1 (ko) 회전양극형 x선관
US4644577A (en) X-ray tube comprising an anode disc rotatably journalled on a helical-groove bearing
US4562587A (en) X-Ray tube having a rotary anode
US3551714A (en) Submersible motor and bearing arrangement therefor
US4097760A (en) X-ray tube having bearing lubrication
JPH08270654A (ja) 液体金属式の滑り軸受
US3699373A (en) X-ray tube with electrically conductive bearing bypass
EP1124250B1 (de) Lager für Röntgenröhre
US2141924A (en) Electrical discharge device
NL1020360C2 (nl) Meervoudige lager met spiraalgroef voor een röntgenbuis.
DE10017777A1 (de) Röntgenröhre
US20190103244A1 (en) Cooling Spiral Groove Bearing Assembly
CN114975046A (zh) 用于减少滞留气体的x射线管液态金属轴承结构
US2121632A (en) X-ray tube
US3619696A (en) An electric drive motor for rotatably driving the anode of an x-ray tube
JP2004353867A (ja) 導電性セラミック軸受
JP3228992B2 (ja) Ｘ線管装置
US11887803B2 (en) X-ray tube and X-ray generating apparatus
JPH08106870A (ja) Ｘ線管の回転対陰極組立体
US9450366B2 (en) Long-life metal sliding contacts

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed