KR920008824A - 회전양극형 x선관 - Google Patents

회전양극형 x선관 Download PDF

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Publication number
KR920008824A
KR920008824A KR1019910013393A KR910013393A KR920008824A KR 920008824 A KR920008824 A KR 920008824A KR 1019910013393 A KR1019910013393 A KR 1019910013393A KR 910013393 A KR910013393 A KR 910013393A KR 920008824 A KR920008824 A KR 920008824A
Authority
KR
South Korea
Prior art keywords
bearing
rotating
base material
rotating body
ray tube
Prior art date
Application number
KR1019910013393A
Other languages
English (en)
Other versions
KR940009195B1 (ko
Inventor
가츠히로 오노
히데로 안노
히로유키 스기우라
다카유키 기타미
Original Assignee
아오이 죠이치
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 아오이 죠이치, 가부시키가이샤 도시바 filed Critical 아오이 죠이치
Publication of KR920008824A publication Critical patent/KR920008824A/ko
Application granted granted Critical
Publication of KR940009195B1 publication Critical patent/KR940009195B1/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
    • 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
    • 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
    • H01J2235/1046—Bearings and bearing contact surfaces
    • H01J2235/1066—Treated contact surfaces, e.g. coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

내용 없음

Description

회전양극형 X선관
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예를 나타낸 주요부 종단면도,
제2도는 제1도에서의 일부 확대도,
제3도는 제2도에서의 일부를 나타낸 반종단면도.

Claims (2)

  1. 일부에 양극타켓(11)이 고정된 회전체(12)와 이 회전체(12)를 회전가능하게 유지하는 고정체(15)와 상기 회전체(12) 및 고정체(15)의 끼우 맞춰짐부에 설치된 사선홈(20)(21)을 갖는 베어링면(19)에 적어도 동작중에도 액체상태인 금속 윤활제가 개재되어 구성되는 베어링부를 구비하는 회전양극형 X선관에 있어서, 상기 회전체(12) 및 고정체(15)의 적어도 한쪽 미끄럼 베어링(19)의 베어링면 모재는 몰리브덴, 텅스텐, 니오브 또는 탄탈이며, 이 베어링면 모재의 표면부에 상기 베어링 모재 및 갈륨을 포함하는 반응층(31)(32)이 1㎛ 이상의 두께로 형성되어 이루어지는 것을 특징으로 하는 회전양극형 X선관.
  2. 일부에 양극 타켓(11)이 고정된 회전체(12), 이회전체(12)를 회전가능하게 유지하는 고정체(15), 상기 회전체(12) 및 고정체(15)의 끼워 맞춰짐부에 설치된 나선홈(20)(21)을 갖는 베어링면에 적어도 동작중에는 액체상태인 금속윤활제가 개재되어 구성되는 베어링부(19)를 구비하는 회전양극형 X선관에 있어서, 상기 회전체(12)및 고정체(15)의 적어도 한쪽 미끄럼 베어링부(19)의 베어링면 모재는 질화물 세라믹, 탄화물 세라믹 또는 탄질 화물 세라믹이며, 이 베어링면 모재의 표면부에 상기 베어링 모재 및 갈륨을 포함하는 반응층 (31)(32)이 1㎛이하(0은 포함하지 않음)의 두께로 형성되어 이루어지는 것을 특징으로 하는 회전양극형 X선관.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임
KR1019910013393A 1990-10-19 1991-07-31 회전양극형 x선관 KR940009195B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP27935090 1990-10-19
JP2-279350 1990-10-19
JP??2-279350 1990-10-19

Publications (2)

Publication Number Publication Date
KR920008824A true KR920008824A (ko) 1992-05-28
KR940009195B1 KR940009195B1 (ko) 1994-10-01

Family

ID=17609949

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910013393A KR940009195B1 (ko) 1990-10-19 1991-07-31 회전양극형 x선관

Country Status (6)

Country Link
US (1) US5181235A (ko)
EP (1) EP0482386B1 (ko)
KR (1) KR940009195B1 (ko)
CN (1) CN1024065C (ko)
CA (1) CA2052472C (ko)
DE (1) DE69123554T2 (ko)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960010431B1 (ko) * 1992-04-08 1996-07-31 가부시키가이샤 도시바 회전양극형 x선관
US5806856A (en) * 1992-08-27 1998-09-15 Ferrofluidics Corporation On-site fillable liquid magnetic seal
DE19523163A1 (de) * 1994-07-12 1996-01-18 Siemens Ag Gleitlagerteil für ein Flüssigmetallgleitlager
DE19510067A1 (de) * 1995-03-20 1996-10-02 Siemens Ag Gleitlager mit einem mit Flüssigmetall gefüllten Lagerspalt
DE19605085C2 (de) * 1996-02-12 1999-07-29 Siemens Ag Flüssigmetall-Gleitlager mit einer Einfüllöffnung
DE19612693A1 (de) * 1996-03-29 1997-09-04 Siemens Ag Gleitlager für eine Drehanode einer Röntgenröhre
JP2001325908A (ja) * 2000-03-09 2001-11-22 Toshiba Corp 回転陽極型ｘ線管
JP4338359B2 (ja) 2002-06-11 2009-10-07 日本電産株式会社 動圧軸受装置
DE10241515B4 (de) * 2002-09-07 2005-04-28 Rexroth Indramat Gmbh Verbindungselement zur Befestigung eines Elektromotors
GB0507681D0 (en) * 2005-04-15 2005-05-25 Westwind Air Bearings Ltd Gas bearing spindles
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
JP2007107622A (ja) * 2005-10-14 2007-04-26 Matsushita Electric Ind Co Ltd 動圧軸受装置およびそれを用いたスピンドルモータ
US8104963B2 (en) * 2006-01-19 2012-01-31 Ntn Corporation Shaft member for fluid dynamic bearing device
US8363787B2 (en) * 2009-03-25 2013-01-29 General Electric Company Interface for liquid metal bearing and method of making same
US7933382B2 (en) * 2009-03-25 2011-04-26 General Electric Company Interface for liquid metal bearing and method of making same
CN102194632A (zh) * 2010-03-03 2011-09-21 通用电气公司 用于液态金属轴承的界面及其制造方法
US8300770B2 (en) 2010-07-13 2012-10-30 Varian Medical Systems, Inc. Liquid metal containment in an x-ray tube
US9263224B2 (en) 2013-05-31 2016-02-16 General Electric Company Liquid bearing assembly and method of constructing same
CN106460920B (zh) * 2014-05-21 2019-06-25 皇家飞利浦有限公司 流体动力轴承、x射线管、x射线系统以及用于制造流体动力轴承的方法
US9972472B2 (en) * 2014-11-10 2018-05-15 General Electric Company Welded spiral groove bearing assembly
US10032598B2 (en) 2016-07-26 2018-07-24 Neil Dee Olsen X-ray systems and methods including X-ray anodes
US10438768B2 (en) 2016-07-26 2019-10-08 Neil Dee Olsen X-ray systems and methods including X-ray anodes with gradient profiles
US10490385B2 (en) 2016-07-26 2019-11-26 Neil Dee Olsen X-ray systems and methods including X-ray anodes
FR3062950A1 (fr) * 2017-02-15 2018-08-17 Acerde Dispositif rotatif de production de rayons x, appareil comprenant un tel dispositif et procede de traitement d'un tel dispositif
US11020067B1 (en) * 2020-02-12 2021-06-01 GE Precision Healthcare LLC Hydrodynamic bearing system and method for manufacturing the hydrodynamic bearing system
CN113153907A (zh) * 2021-05-27 2021-07-23 中国工程物理研究院机械制造工艺研究所 一种液态金属轴承及真空电机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720853A (en) * 1971-03-02 1973-03-13 Picker Corp Bearing structure for x-ray tube with rotating anode
NL7713634A (nl) * 1977-12-09 1979-06-12 Philips Nv Roentgenbuis met draaianode.
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.
NL8601414A (nl) * 1986-06-02 1988-01-04 Philips Nv Roentgenbuis met een draaianode.
DE3900729A1 (de) * 1989-01-12 1990-07-19 Philips Patentverwaltung Drehanoden-roentgenroehre mit einem gleitlager, insbesondere einem spiralrillenlager
US4956858A (en) * 1989-02-21 1990-09-11 General Electric Company Method of producing lubricated bearings
US4914684A (en) * 1989-03-31 1990-04-03 General Electric Company Titanium carbide coating of bearing components

Also Published As

Publication number Publication date
DE69123554T2 (de) 1997-04-30
EP0482386B1 (en) 1996-12-11
CN1024065C (zh) 1994-03-16
CA2052472A1 (en) 1992-04-20
CA2052472C (en) 1997-09-09
DE69123554D1 (de) 1997-01-23
CN1060738A (zh) 1992-04-29
KR940009195B1 (ko) 1994-10-01
EP0482386A1 (en) 1992-04-29
US5181235A (en) 1993-01-19

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