KR920008823A - 회전양극형 x선관 - Google Patents

회전양극형 x선관 Download PDF

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Publication number
KR920008823A
KR920008823A KR1019910013392A KR910013392A KR920008823A KR 920008823 A KR920008823 A KR 920008823A KR 1019910013392 A KR1019910013392 A KR 1019910013392A KR 910013392 A KR910013392 A KR 910013392A KR 920008823 A KR920008823 A KR 920008823A
Authority
KR
South Korea
Prior art keywords
sliding bearing
vacuum vessel
rotating body
ray tube
cavity
Prior art date
Application number
KR1019910013392A
Other languages
English (en)
Other versions
KR940009194B1 (ko
Inventor
가츠히로 오노
히데로 안노
히로유키 스기우라
다카유키 기타미
히로아키 다자와
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17428611&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR920008823(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 아오이 죠이치, 가부시키가이샤 도시바 filed Critical 아오이 죠이치
Publication of KR920008823A publication Critical patent/KR920008823A/ko
Application granted granted Critical
Publication of KR940009194B1 publication Critical patent/KR940009194B1/ko

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Classifications

    • 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
    • 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
    • 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

  • Sliding-Contact Bearings (AREA)
  • X-Ray Techniques (AREA)

Abstract

내용 없음

Description

회전양극형 X선관
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 한실시예를 나타낸 종단면도,
제2도는 제1도의 주요부 확대도,
제3도는 제2도의 3-3에서의 횡단면도.

Claims (1)

  1. 진공용기(18)내부에 설치되어 양극타켓(11)을 일체적으로 지지하는 회전체(12), 상기 회전체(12)를 회전가능하게 지지하는 고정체(15), 상기 회전체(12) 및 고정체(15)의 일부에 설치되고 또 나선홈(20)(21)을 가진 미끄럼 베어링면의 상호간에 적어도 동작중에도 액체상태의 금속윤활제를 개재하게되는 미끄럼베어링부(19)를 구비하는 회전양극형X선관에 있어서, 상기 미끄럼베어링면이 상기 진공용기(18)의 내부공간을 통과하는 종단 부근에 원주상의 공동(25)이 설치되고 상기 공동(25)에서 상기 진공용기내 공간에 도달하는 도중에 이 공동 반경방향 폭 치수보다도 좁은 간격(Q)의 윤활제 누출억제수단(26)(27)을 설치하게 되는 것을 특징으로 하는 회전양극형 X선관.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임
KR1019910013392A 1990-10-05 1991-07-31 회전양극형 x선관 KR940009194B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP02-266268 1990-10-05
JP26626890 1990-10-05
JP??02-266268 1990-10-05

Publications (2)

Publication Number Publication Date
KR920008823A true KR920008823A (ko) 1992-05-28
KR940009194B1 KR940009194B1 (ko) 1994-10-01

Family

ID=17428611

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910013392A KR940009194B1 (ko) 1990-10-05 1991-07-31 회전양극형 x선관

Country Status (6)

Country Link
US (1) US5189688A (ko)
EP (1) EP0479194B2 (ko)
KR (1) KR940009194B1 (ko)
CN (1) CN1024235C (ko)
CA (1) CA2052476C (ko)
DE (1) DE69113382T3 (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960005752B1 (ko) * 1991-12-10 1996-05-01 가부시키가이샤 도시바 X선 장치
KR960008927B1 (en) * 1992-01-24 1996-07-09 Toshiba Kk Rotating anode x-ray tube
CN1039561C (zh) * 1992-04-08 1998-08-19 株式会社东芝 旋转阳极x射线管
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
DE19510068A1 (de) * 1995-03-20 1996-10-02 Siemens Ag Flüssigmetall-Gleitlager
DE19510066A1 (de) * 1995-03-20 1996-05-30 Siemens Ag Verfahren zum Befüllen eines Flüssigmetall-Gleitlagers
DE19605085C2 (de) * 1996-02-12 1999-07-29 Siemens Ag Flüssigmetall-Gleitlager mit einer Einfüllöffnung
KR100193583B1 (ko) * 1996-05-29 1999-06-15 이형도 이물질 비산방지를 위한 스핀들 모터의 공기 배출 유도장치
DE19630351C1 (de) * 1996-07-26 1997-11-27 Siemens Ag Röntgenröhre mit einem Gleitlager
JP2001325908A (ja) * 2000-03-09 2001-11-22 Toshiba Corp 回転陽極型ｘ線管
US6377658B1 (en) 2001-07-27 2002-04-23 General Electric Company Seal for liquid metal bearing assembly
US7046766B2 (en) * 2001-12-13 2006-05-16 Koninklijke Philips Electronics, N.V. Device for generating X-rays having an integrated anode and bearing member
US8300770B2 (en) 2010-07-13 2012-10-30 Varian Medical Systems, Inc. Liquid metal containment in an x-ray tube
DE202014011302U1 (de) 2014-05-28 2019-02-25 Jules Hendrix Röntgengenerator
US9972472B2 (en) * 2014-11-10 2018-05-15 General Electric Company Welded spiral groove bearing assembly
US10533608B2 (en) 2017-02-07 2020-01-14 General Electric Company Ring seal for liquid metal bearing assembly
US11670475B2 (en) * 2021-04-30 2023-06-06 GE Precision Healthcare LLC Liquid metal bearing structure with enhanced sealing structures

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6512869A (ko) * 1965-10-05 1967-04-06
NL7713634A (nl) * 1977-12-09 1979-06-12 Philips Nv Roentgenbuis met draaianode.
NL8303832A (nl) * 1983-11-08 1985-06-03 Philips Nv Roentgenbuis met spiraalgroeflager.
NL8303833A (nl) * 1983-11-08 1985-06-03 Philips Nv Spiraalgroeflager met metaalsmering en antibevochtigingslaag.
DE3842034A1 (de) * 1988-12-14 1990-06-21 Philips Patentverwaltung Drehanoden-roentgenroehre mit fluessigem schmiermittel
DE3900729A1 (de) * 1989-01-12 1990-07-19 Philips Patentverwaltung Drehanoden-roentgenroehre mit einem gleitlager, insbesondere einem spiralrillenlager

Also Published As

Publication number Publication date
CA2052476C (en) 1998-01-06
DE69113382T3 (de) 2003-11-27
EP0479194B1 (en) 1995-09-27
CN1024235C (zh) 1994-04-13
DE69113382T2 (de) 1996-05-30
CN1060556A (zh) 1992-04-22
DE69113382D1 (de) 1995-11-02
EP0479194A1 (en) 1992-04-08
EP0479194B2 (en) 2002-11-27
KR940009194B1 (ko) 1994-10-01
CA2052476A1 (en) 1992-04-06
US5189688A (en) 1993-02-23

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