KR930017072A - 회전양극형 x선관 - Google Patents

회전양극형 x선관 Download PDF

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Publication number
KR930017072A
KR930017072A KR1019930000778A KR930000778A KR930017072A KR 930017072 A KR930017072 A KR 930017072A KR 1019930000778 A KR1019930000778 A KR 1019930000778A KR 930000778 A KR930000778 A KR 930000778A KR 930017072 A KR930017072 A KR 930017072A
Authority
KR
South Korea
Prior art keywords
ray tube
liquid metal
metal lubricant
volume
bearing portion
Prior art date
Application number
KR1019930000778A
Other languages
English (en)
Other versions
KR960008927B1 (en
Inventor
히로유키 스기우라
가츠히로 오노
히데로 안노
Original Assignee
사토 후미오
가부시키가이샤 도시바
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 사토 후미오, 가부시키가이샤 도시바 filed Critical 사토 후미오
Publication of KR930017072A publication Critical patent/KR930017072A/ko
Application granted granted Critical
Publication of KR960008927B1 publication Critical patent/KR960008927B1/ko

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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
    • 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
    • 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
    • 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
    • F16C17/107—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 surface for radial load and at least one surface for axial load
    • 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
    • H01J35/104—Fluid bearings
    • 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
    • H01J2235/1026—Means (motors) for driving the target (anode)
    • 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)

Abstract

본 발명은 액체금속윤활제의 누출을 방지할 수 있고 안정된 베어링동작을 유지할 수 있는 회전양극형 X선관에 관한 것으로, 회전체 및 고정체베어링부에 충전한 액체금석윤활제의 량을 진공용기내 공간에 가장 가까운 나선홈미끄럼베어링부의 단부에서 내부나선홈을 포함하는 액체금속윤활제가 유동할수 있는 공간용적의 20%이상, 50%이하의 범위의 체적으로 한 것을 특징으로 한다.

Description

회전양극형 X선관
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명의 한 실시예를 도시한 종단면도, 제 2도는 제 1도의 요부를 도시한 평면도, 제 3도는 제 1도의 요부를 도시한 평면도, 제 4도는 조립공저에 있어 상태를 도시한 요부종단면도, 제 5도는 조립공정에 있어 상태를 도시한 요부확대종단면도, 제 6도는 조립공정에 있어서 상태를 도시한 종단면도, 제 7도는 제 1도의 실시예의 조립 또는 사용상태의 요부를 나타내는 종단면도, 제 8도는 제 1도의 실시예의 조립 또는 사용상태의 요부를 도시한 종단면도.

Claims (1)

  1. 진공용기의 내측에 배치된 양극타겟트와, 이 양극타겟트가 고정된 회전체와, 이 회전체를 회전가능하게 지지하는 고정체와, 상기 회전체 및 고정체의 상호근접부의 일부에 설치된 나선홈 미끄럼 베어링부와, 이 미끄럼베어링부의 상기 나선홈을 포함하는 베어링간극에 충전된 액체금속윤활제를 구비하는 회전양극형 X선관에 있어서, 상기 액체금속윤활제의 충전량이 진공용기내 공간에 가장 가까운 나선홈 미끄럼베어링부의 단부로부터 내부의 나선홈을 포함하는 상기 액체 금속윤활제가 유동할수 있는 공간용적의 20%이상 50%이하의 범위의 체적인 것을 특징으로 하는 회전양극형 X선관.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR93000778A 1992-01-24 1993-01-21 Rotating anode x-ray tube KR960008927B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP92-010440 1992-01-24
JP1044092 1992-01-24

Publications (2)

Publication Number Publication Date
KR930017072A true KR930017072A (ko) 1993-08-30
KR960008927B1 KR960008927B1 (en) 1996-07-09

Family

ID=11750218

Family Applications (1)

Application Number Title Priority Date Filing Date
KR93000778A KR960008927B1 (en) 1992-01-24 1993-01-21 Rotating anode x-ray tube

Country Status (6)

Country Link
US (1) US5668849A (ko)
EP (1) EP0552808B1 (ko)
KR (1) KR960008927B1 (ko)
CN (1) CN1036428C (ko)
CA (1) CA2087877C (ko)
DE (1) DE69301932T2 (ko)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3124194B2 (ja) * 1993-11-05 2001-01-15 株式会社東芝 回転陽極型ｘ線管装置
DE4403116A1 (de) * 1994-02-02 1995-08-03 Philips Patentverwaltung Drehanoden-Röntgenröhre mit einem Gleitlager
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
JPH0979263A (ja) * 1995-09-20 1997-03-25 Hitachi Ltd 軸受装置及びこれを備えたスピンドルモ−タ
US5875227A (en) * 1997-09-08 1999-02-23 General Electric Company X-ray tube rotor and stator assembly
EP1424720B8 (en) * 1998-06-19 2008-09-03 JTEKT Corporation A liquid metal sealing device
US6256375B1 (en) * 1999-03-29 2001-07-03 General Electric Company Target angle matching cathode structure for an X-ray tube
JP2001325908A (ja) * 2000-03-09 2001-11-22 Toshiba Corp 回転陽極型ｘ線管
US7121725B2 (en) 2000-09-27 2006-10-17 Seagate Technology Llc Fluid dynamic bearing lubricant air extraction device
JP2002184334A (ja) * 2000-12-18 2002-06-28 Toshiba Corp 回転陽極型ｘ線管
WO2003050840A1 (en) * 2001-12-13 2003-06-19 Koninklijke Philips Electronics N.V. Device for generating x-rays having an integrated anode and bearing member
US7016146B2 (en) * 2002-03-12 2006-03-21 Minebea Co., Ltd. Low power spindle motor with a fluid dynamic spool bearing
US7343002B1 (en) 2003-02-05 2008-03-11 Varian Medical Systems Technologies, Inc. Bearing assembly
FR2879807B1 (fr) * 2004-12-21 2007-02-23 Gen Electric Tube a rayons x a palier perfectionne et procede de fabrication
JP2009081069A (ja) * 2007-09-26 2009-04-16 Toshiba Corp 回転陽極型ｘ線管
US20100128848A1 (en) * 2008-11-21 2010-05-27 General Electric Company X-ray tube having liquid lubricated bearings and liquid cooled target
US8009806B2 (en) * 2009-07-13 2011-08-30 General Electric Company Apparatus and method of cooling a liquid metal bearing in an x-ray tube
US8300770B2 (en) 2010-07-13 2012-10-30 Varian Medical Systems, Inc. Liquid metal containment in an x-ray tube
US10714297B2 (en) * 2018-07-09 2020-07-14 General Electric Company Spiral groove bearing assembly with minimized deflection
EP3792621A1 (de) * 2019-09-12 2021-03-17 Siemens Healthcare GmbH Messverfahren und messvorrichtung für ein flüssigmetall-gleitlager

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7713634A (nl) * 1977-12-09 1979-06-12 Philips Nv Roentgenbuis met draaianode.
US4501566A (en) * 1983-09-19 1985-02-26 Technicare Corporation Method for assembling a high vacuum rotating anode X-ray tube
NL8303832A (nl) * 1983-11-08 1985-06-03 Philips Nv Roentgenbuis met spiraalgroeflager.
CN1007851B (zh) * 1985-04-01 1990-05-02 N·V·菲利蒲光灯制造公司 带有螺线槽轴承的x-射线管
CN1024235C (zh) * 1990-10-05 1994-04-13 株式会社东芝 旋转阳极型x射线管
CN1022007C (zh) * 1990-10-05 1993-09-01 东芝株式会社 旋转阳极型x射线管
CN1029179C (zh) * 1990-11-28 1995-06-28 东芝株式会社 旋转阳极型x射线管的制造方法及制造装置

Also Published As

Publication number Publication date
DE69301932T2 (de) 1996-08-14
CN1074784A (zh) 1993-07-28
EP0552808A1 (en) 1993-07-28
CN1036428C (zh) 1997-11-12
DE69301932D1 (de) 1996-05-02
CA2087877A1 (en) 1993-07-25
EP0552808B1 (en) 1996-03-27
KR960008927B1 (en) 1996-07-09
US5668849A (en) 1997-09-16
CA2087877C (en) 1999-01-12

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