DE3471818D1 - X-ray tube having a rotary anode - Google Patents

X-ray tube having a rotary anode

Info

Publication number
DE3471818D1
DE3471818D1 DE8484201405T DE3471818T DE3471818D1 DE 3471818 D1 DE3471818 D1 DE 3471818D1 DE 8484201405 T DE8484201405 T DE 8484201405T DE 3471818 T DE3471818 T DE 3471818T DE 3471818 D1 DE3471818 D1 DE 3471818D1
Authority
DE
Germany
Prior art keywords
ray tube
rotary anode
anode
rotary
ray
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
DE8484201405T
Other languages
English (en)
Inventor
Jan Gerkema
Anton Karel Niessen
Jozef Bernardus Pelzer
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
Application granted granted Critical
Publication of DE3471818D1 publication Critical patent/DE3471818D1/de
Expired 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
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/105—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one bearing surface providing angular contact, e.g. conical or spherical bearing surfaces
    • 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
    • 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
    • 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
    • F16C2210/00—Fluids
    • F16C2210/08—Fluids molten metals
    • 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
    • H01J2235/1046—Bearings and bearing contact surfaces
    • H01J2235/1053—Retainers or races
    • 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
    • H01J2235/1046—Bearings and bearing contact surfaces
    • H01J2235/106—Dynamic pressure bearings, e.g. helical groove type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • X-Ray Techniques (AREA)
DE8484201405T 1983-10-06 1984-10-03 X-ray tube having a rotary anode Expired DE3471818D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8303422A NL8303422A (nl) 1983-10-06 1983-10-06 Roentgenbuis met draaianode.

Publications (1)

Publication Number Publication Date
DE3471818D1 true DE3471818D1 (en) 1988-07-07

Family

ID=19842502

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484201405T Expired DE3471818D1 (en) 1983-10-06 1984-10-03 X-ray tube having a rotary anode

Country Status (5)

Country Link
US (1) US4562587A (de)
EP (1) EP0136762B1 (de)
JP (1) JPS6097536A (de)
DE (1) DE3471818D1 (de)
NL (1) NL8303422A (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601414A (nl) * 1986-06-02 1988-01-04 Philips Nv Roentgenbuis met een draaianode.
US5052034A (en) * 1989-10-30 1991-09-24 Siemens Aktiengesellschaft X-ray generator
US5169243A (en) * 1990-09-28 1992-12-08 Koyo Seiko Co., Ltd. Dynamic pressure bearing for an x-ray tube having a rotary anode
US5204890A (en) * 1990-10-01 1993-04-20 Kabushiki Kaisha Toshiba Rotary anode type x-ray tube
CN1024065C (zh) * 1990-10-19 1994-03-16 株式会社东芝 旋转阳极型x射线管
KR940011725B1 (ko) * 1990-11-28 1994-12-23 가부시키가이샤 도시바 회전양극형 x선관의 제조방법 및 제조장치
KR960010431B1 (ko) * 1992-04-08 1996-07-31 가부시키가이샤 도시바 회전양극형 x선관
US5610371A (en) * 1994-03-15 1997-03-11 Fujitsu Limited Electrical connecting device and method for making same
US5483570A (en) * 1994-06-24 1996-01-09 General Electric Company Bearings for x-ray tubes
JP3093581B2 (ja) * 1994-10-13 2000-10-03 株式会社東芝 回転陽極型ｘ線管及びその製造方法
JP2760781B2 (ja) * 1996-01-31 1998-06-04 株式会社東芝 Ｘ線断層撮影装置
JP2948163B2 (ja) * 1996-02-29 1999-09-13 株式会社東芝 Ｘ線装置
GB2318841A (en) * 1996-11-01 1998-05-06 Perkin Elmer Ltd Bearing assembly
JP2002216683A (ja) 2001-01-22 2002-08-02 Toshiba Corp 回転陽極型ｘ線管装置
US6377658B1 (en) 2001-07-27 2002-04-23 General Electric Company Seal for liquid metal bearing assembly
JP2007016884A (ja) * 2005-07-07 2007-01-25 Ge Medical Systems Global Technology Co Llc 軸受機構およびｘ線管
CA2903990C (en) 2013-03-15 2020-01-07 General Electric Company Cold-cathode switching device and converter
DE102014218750A1 (de) 2014-09-18 2016-03-24 Siemens Aktiengesellschaft Flüssigmetall-Gleitlager

Family Cites Families (7)

* 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
US3694685A (en) * 1971-06-28 1972-09-26 Gen Electric System for conducting heat from an electrode rotating in a vacuum
NL7713634A (nl) * 1977-12-09 1979-06-12 Philips Nv Roentgenbuis met draaianode.
DE2845007C2 (de) * 1978-10-16 1983-05-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Drehanoden-Röntgenröhre mit einem Metallkolben
NL7903580A (nl) * 1979-05-08 1980-11-11 Philips Nv Draaianode roentgenbuis met axiaal-magneetlager en radiaal-glijlager.
DE3041558A1 (de) * 1980-11-04 1982-06-09 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung von lagern fuer drehanoden von roentgenroehren und damit hergestellten roentgenroehren
NL8101931A (nl) * 1981-04-21 1982-11-16 Philips Nv Inrichting voorzien van een lager.

Also Published As

Publication number Publication date
EP0136762A2 (de) 1985-04-10
US4562587A (en) 1985-12-31
EP0136762B1 (de) 1988-06-01
NL8303422A (nl) 1985-05-01
JPH0562418B2 (de) 1993-09-08
JPS6097536A (ja) 1985-05-31
EP0136762A3 (en) 1985-05-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee