KR930022453A - 회전양극형 x선관 - Google Patents

회전양극형 x선관 Download PDF

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Publication number
KR930022453A
KR930022453A KR1019930005846A KR930005846A KR930022453A KR 930022453 A KR930022453 A KR 930022453A KR 1019930005846 A KR1019930005846 A KR 1019930005846A KR 930005846 A KR930005846 A KR 930005846A KR 930022453 A KR930022453 A KR 930022453A
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KR
South Korea
Prior art keywords
lubricant
rotating body
rotating
ray tube
bearing
Prior art date
Application number
KR1019930005846A
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English (en)
Other versions
KR960010431B1 (ko
Inventor
가츠히로 오노
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.)
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Application filed by 사토 후미오, 가부시키가이샤 도시바 filed Critical 사토 후미오
Publication of KR930022453A publication Critical patent/KR930022453A/ko
Application granted granted Critical
Publication of KR960010431B1 publication Critical patent/KR960010431B1/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
    • H01J2235/1046—Bearings and bearing contact surfaces
    • H01J2235/106—Dynamic pressure bearings, e.g. helical groove type
    • 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)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

본 발명은 회전기동시나 연속회전시에 미끄럼베어링면 사이에 액체금속윤활제를 확실하게 개재시킬 수 있고 베어링이 판손이 일어나지 않는 안정된 동압식 미끄럼베어링동작을 유지할 수 있는 회전양극형 X선관에 관한 것으로서, 미끄럼 베어링의 나선구멍(19a,19b)의 영역에 개구된 윤활제 통로(25) 또는 윤활제수용 오목부(31)를 형성하고 나선구멍의 영역에 윤활제가 확실하게 빠짐없이 고루 미치도록 구성한 것을 특징으로 한다.

Description

회전양극형 X선관
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 한 실시예를 나타낸 종단면도.
제2도는 제1도의 종단면도.
제2도는 제1도의 주요부를 나타내는 평면도.
제4도는 제1도의 주요부를 나타내는 평면도.

Claims (4)

  1. 양극타게트가 고정된 회전체와, 이 회전체에 동축상으로 끼워맞춰진 해당 회전체를 회전가능하게 유지하는 고정체와, 상기 회전체 및 고정체의 끼워맞춘부분에 설치된 나선구멍을 갖는 동압식 미끄럼베어링과, 상기 베어링에 공급되는 적어도 동작중에 액상인 금속윤활제를 구비하는 회전양극형 X선관에 있어서, 회전중심축상에 위치하는 상기 고정체 또는 회전체의 내부에 윤활제의 일부를 수용하는 윤활제수용실이 설치되고 또한 일단부가 상기 윤활제 수용실로 통하고 다른 단부가 상기 베어링의 나선구멍이 형성되어 있는 영역에 개구하는 적어도 한개의 윤활제통로가 형성되어 있는 것을 특징으로 하는 회전양극형 X선관.
  2. 제1항에 있어서, 동압식 미끄럼베어링의 나선구멍은 헤링본패턴이고 윤활제통로의 개구부는 적어도 한쪽편 패턴의 구멍이 있는 외단부근방에 위치하고 있는 것을 특징으로 하는 회전양극형 X선관.
  3. 제2항에 있어서, 헤링본패턴의 나선구멍은 양측의 나선구멍의 길이가 서로 다른 것을 특징으로 하는 회전양극형 X선관.
  4. 양극타게트가 고정된 회전체와, 이 회전체에 동축상에 끼워맞춰진 해당 회전체를 회전가능하게 유지하는 고정체와, 상기 회전체 및 고정체의 끼워 맞춘부분에 설치된 나선구멍을 갖는 동압식 미끄럼베어링과, 상기 베어링에 공급되는 적어도 동작중은 액상인 금속윤활제를 구비하는 회전양극형 X선관에 있어서, 상기 미끄럼베어링을 구성하는 회전체 및 고정체에 상기 미끄럼 베어링의 나선구멍이 형성되어 있는 영역에 개구됨과 동시에 내부에 윤활제가 수용되어 있는 적어도 한 개의 오목부가 형성되어 있는 것을 특징으로 하는 회전양극형 X선관.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930005846A 1992-04-08 1993-04-08 회전양극형 x선관 KR960010431B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP92-114273 1992-04-08
JP11427392 1992-04-08

Publications (2)

Publication Number Publication Date
KR930022453A true KR930022453A (ko) 1993-11-24
KR960010431B1 KR960010431B1 (ko) 1996-07-31

Family

ID=14633696

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930005846A KR960010431B1 (ko) 1992-04-08 1993-04-08 회전양극형 x선관

Country Status (4)

Country Link
US (1) US5384819A (ko)
KR (1) KR960010431B1 (ko)
CN (1) CN1039561C (ko)
FR (1) FR2690007B1 (ko)

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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
JP2002184334A (ja) * 2000-12-18 2002-06-28 Toshiba Corp 回転陽極型ｘ線管
US7016146B2 (en) * 2002-03-12 2006-03-21 Minebea Co., Ltd. Low power spindle motor with a fluid dynamic spool bearing
GB2517671A (en) * 2013-03-15 2015-03-04 Nikon Metrology Nv X-ray source, high-voltage generator, electron beam gun, rotary target assembly, rotary target and rotary vacuum seal
DE102014203430A1 (de) * 2014-02-26 2015-08-27 Siemens Aktiengesellschaft Flüssigmetall-Gleitlager
RU2677754C2 (ru) * 2014-05-21 2019-01-21 Конинклейке Филипс Н.В. Гидродинамический подшипник, рентгеновская трубка, рентгеновская система и способ изготовления гидродинамического подшипника
US9972472B2 (en) * 2014-11-10 2018-05-15 General Electric Company Welded spiral groove bearing assembly
DE102015104078A1 (de) 2015-03-18 2016-09-22 Pms Handelskontor Gmbh Zerkleinerungsvorrichtung
DE102015215306B4 (de) 2015-08-11 2018-08-02 Siemens Healthcare Gmbh Flüssigmetall-Gleitlager
US10714297B2 (en) * 2018-07-09 2020-07-14 General Electric Company Spiral groove bearing assembly with minimized deflection
US11276542B2 (en) 2019-08-21 2022-03-15 Varex Imaging Corporation Enhanced thermal transfer nozzle and system
US11676791B2 (en) * 2021-02-22 2023-06-13 GE Precision Healthcare LLC X-ray tube liquid metal bearing structure for reducing trapped gases
CN113161217A (zh) * 2021-04-16 2021-07-23 中国工程物理研究院机械制造工艺研究所 一种大承载径向液态金属轴承

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CN1024235C (zh) * 1990-10-05 1994-04-13 株式会社东芝 旋转阳极型x射线管
CN1024065C (zh) * 1990-10-19 1994-03-16 株式会社东芝 旋转阳极型x射线管

Also Published As

Publication number Publication date
FR2690007B1 (fr) 1995-01-06
KR960010431B1 (ko) 1996-07-31
CN1039561C (zh) 1998-08-19
CN1079842A (zh) 1993-12-22
US5384819A (en) 1995-01-24
FR2690007A1 (fr) 1993-10-15

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