JPH021348B2 - - Google Patents
Info
- Publication number
- JPH021348B2 JPH021348B2 JP56118428A JP11842881A JPH021348B2 JP H021348 B2 JPH021348 B2 JP H021348B2 JP 56118428 A JP56118428 A JP 56118428A JP 11842881 A JP11842881 A JP 11842881A JP H021348 B2 JPH021348 B2 JP H021348B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- magnetic
- yoke
- rotating anode
- case
- 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 - Lifetime
Links
- 230000004907 flux Effects 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 15
- 230000035699 permeability Effects 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 description 9
- 238000011105 stabilization Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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
- F16C37/00—Cooling of bearings
- F16C37/005—Cooling of bearings of magnetic bearings
 
- 
        - 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
 
- 
        - 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
- H01J35/103—Magnetic bearings
 
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP56118428A JPS5819844A (ja) | 1981-07-30 | 1981-07-30 | 回転陽極x線管用磁気軸受装置 | 
| US06/401,814 US4468801A (en) | 1981-07-30 | 1982-07-26 | Rotary anode X-ray tube | 
| AU86456/82A AU541417B2 (en) | 1981-07-30 | 1982-07-27 | Rotary anode x-ray tube | 
| EP82303957A EP0071456B1 (en) | 1981-07-30 | 1982-07-27 | Rotary anode x-ray tube | 
| DE8282303957T DE3268123D1 (en) | 1981-07-30 | 1982-07-27 | Rotary anode x-ray tube | 
| CA000408225A CA1186010A (en) | 1981-07-30 | 1982-07-28 | Rotary anode x-ray tube | 
| ZA825455A ZA825455B (en) | 1981-07-30 | 1982-07-29 | Rotary anode x-ray tube | 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP56118428A JPS5819844A (ja) | 1981-07-30 | 1981-07-30 | 回転陽極x線管用磁気軸受装置 | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| JPS5819844A JPS5819844A (ja) | 1983-02-05 | 
| JPH021348B2 true JPH021348B2 (OSRAM) | 1990-01-11 | 
Family
ID=14736395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP56118428A Granted JPS5819844A (ja) | 1981-07-30 | 1981-07-30 | 回転陽極x線管用磁気軸受装置 | 
Country Status (7)
| Country | Link | 
|---|---|
| US (1) | US4468801A (OSRAM) | 
| EP (1) | EP0071456B1 (OSRAM) | 
| JP (1) | JPS5819844A (OSRAM) | 
| AU (1) | AU541417B2 (OSRAM) | 
| CA (1) | CA1186010A (OSRAM) | 
| DE (1) | DE3268123D1 (OSRAM) | 
| ZA (1) | ZA825455B (OSRAM) | 
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE3149936A1 (de) * | 1981-12-16 | 1983-06-23 | Siemens AG, 1000 Berlin und 8000 München | Drehanoden-roentgenroehren | 
| DE3233064A1 (de) * | 1982-09-06 | 1984-03-08 | Siemens AG, 1000 Berlin und 8000 München | Drehanoden-roentgenroehre | 
| JPS6078109A (ja) * | 1983-09-30 | 1985-05-02 | Toshiba Corp | 磁気軸受 | 
| JPS60163355A (ja) * | 1984-02-03 | 1985-08-26 | Toshiba Corp | X線管装置 | 
| JPS60164013A (ja) * | 1984-02-03 | 1985-08-27 | Toshiba Corp | 磁気軸受 | 
| JPS6185060A (ja) * | 1984-09-29 | 1986-04-30 | Toshiba Corp | 非接触位置決め装置 | 
| FR2575329B1 (fr) * | 1984-12-21 | 1987-01-16 | Thomson Cgr | Gaine equipee a convection forcee pour tube radiogene a anode tournante | 
| JPS6276246A (ja) * | 1985-09-30 | 1987-04-08 | Toshiba Corp | 回転陽極形x線管 | 
| FR2609123A1 (fr) * | 1986-12-31 | 1988-07-01 | Mecanique Magnetique Sa | Palier fluide hybride a raideur modifiee par effet electromagnetique | 
| DE8710059U1 (de) * | 1987-07-22 | 1988-11-17 | Siemens AG, 1000 Berlin und 8000 München | Drehanoden-Röntgenröhre | 
| FR2637124B1 (fr) * | 1988-09-23 | 1990-10-26 | Gen Electric Cgr | Systeme de suspension d'une anode tournante de tube a rayons x comportant des paliers magnetiques passifs | 
| FR2659396B1 (fr) * | 1990-03-07 | 1992-05-15 | Cit Alcatel | Pompe a vide pour vide moleculaire propre. | 
| DE4108591A1 (de) * | 1990-03-28 | 1991-10-02 | Siemens Ag | Magnetische kupplung, insbesondere fuer eine roentgen-drehroehre | 
| DE19931296A1 (de) * | 1999-07-07 | 2001-01-11 | Philips Corp Intellectual Pty | Drehanoden-Röntgenröhre mit axialer Lagerung | 
| US6198803B1 (en) | 1999-08-20 | 2001-03-06 | General Electric Company | Bearing assembly including rotating element and magnetic bearings | 
| EP1247026B1 (de) * | 1999-12-27 | 2009-09-02 | LUST ANTRIEBSTECHNIK GmbH | Magnetisches lagersystem | 
| US8385505B2 (en) * | 2009-06-19 | 2013-02-26 | Varian Medical Systems, Inc. | X-ray tube bearing assembly | 
| CN104321848A (zh) * | 2012-05-22 | 2015-01-28 | 皇家飞利浦有限公司 | X射线管的平衡 | 
| DE102012212133B3 (de) * | 2012-07-11 | 2013-07-25 | Siemens Aktiengesellschaft | Drehanodenanordnung und Röntgenröhre | 
| US10927892B2 (en) | 2015-02-26 | 2021-02-23 | Carrier Corporation | Magnetic thrust bearing | 
| WO2016137775A1 (en) | 2015-02-26 | 2016-09-01 | Carrier Corporation | Magnetic bearing | 
| JP6714717B2 (ja) * | 2016-03-18 | 2020-06-24 | ヴァレックス イメージング コーポレイション | X線管用の磁気リフトデバイス | 
| CN110462234B (zh) | 2017-04-01 | 2022-05-31 | 开利公司 | 具有磁通升高的磁径向轴承、使用磁轴承的方法以及机器 | 
| ES2897273T3 (es) | 2017-04-01 | 2022-02-28 | Carrier Corp | Rodamiento magnético radial con refuerzo de flujo | 
| ES2867581T3 (es) | 2017-04-01 | 2021-10-20 | Carrier Corp | Rodamiento magnético radial con refuerzo de flujo | 
| US10629403B1 (en) * | 2018-09-28 | 2020-04-21 | Varex Imaging Corporation | Magnetic assist bearing | 
| CN119132914B (zh) * | 2024-11-07 | 2025-05-06 | 昆山医源医疗技术有限公司 | X射线管 | 
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE1933031C3 (de) * | 1969-06-30 | 1978-10-26 | Karl 5170 Juelich Boden | Magnetische Lagerung | 
| US3860300A (en) * | 1971-07-07 | 1975-01-14 | Cambridge Thermionic Corp | Virtually zero powered magnetic suspension | 
| DE2213470C3 (de) * | 1972-03-20 | 1988-12-01 | Padana AG, Zug | Magnetisches Lager | 
| DE2213465C3 (de) * | 1972-03-20 | 1986-02-13 | Padana AG, Zug | Elektromagnetisches Lagerelement | 
| DE2213522C3 (de) * | 1972-03-20 | 1981-07-30 | Boden, Karl, 5170 Jülich | Magnetische Lagerung | 
| DE2262757C3 (de) * | 1972-12-21 | 1979-06-21 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | RöntgenrShrendrehanodenlagerung | 
| DE2312001C3 (de) * | 1973-03-10 | 1980-10-09 | Padana Ag, Zug (Schweiz) | Verfahren zum Betrieb eines Magnetlagers und Magnetlager zur Durchführung des Verfahrens | 
| NL7307042A (OSRAM) * | 1973-05-21 | 1974-11-25 | ||
| DE2420814C3 (de) * | 1974-04-30 | 1980-10-16 | Padana Ag, Zug (Schweiz) | Magnetlager mit einem Lagerelement zur Festlegung eines translatorischen Freiheitsgrades | 
| DE2601529C2 (de) * | 1976-01-16 | 1982-04-29 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Magnetische Lagerung der Drehwelle der Drehanode für eine Röntgenröhre | 
| DE2716079C2 (de) * | 1977-04-12 | 1979-04-05 | Kernforschungsanlage Juelich Gmbh, 5170 Juelich | Drehanodenröntgenröhre | 
- 
        1981
        - 1981-07-30 JP JP56118428A patent/JPS5819844A/ja active Granted
 
- 
        1982
        - 1982-07-26 US US06/401,814 patent/US4468801A/en not_active Expired - Lifetime
- 1982-07-27 EP EP82303957A patent/EP0071456B1/en not_active Expired
- 1982-07-27 AU AU86456/82A patent/AU541417B2/en not_active Ceased
- 1982-07-27 DE DE8282303957T patent/DE3268123D1/de not_active Expired
- 1982-07-28 CA CA000408225A patent/CA1186010A/en not_active Expired
- 1982-07-29 ZA ZA825455A patent/ZA825455B/xx unknown
 
Also Published As
| Publication number | Publication date | 
|---|---|
| EP0071456A1 (en) | 1983-02-09 | 
| EP0071456B1 (en) | 1985-12-27 | 
| CA1186010A (en) | 1985-04-23 | 
| US4468801A (en) | 1984-08-28 | 
| DE3268123D1 (en) | 1986-02-06 | 
| AU541417B2 (en) | 1985-01-10 | 
| ZA825455B (en) | 1983-06-29 | 
| AU8645682A (en) | 1983-02-10 | 
| JPS5819844A (ja) | 1983-02-05 | 
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