US3878395A - Method and means for operating x-ray tubes with rotary anodes - Google Patents

Method and means for operating x-ray tubes with rotary anodes Download PDF

Info

Publication number
US3878395A
US3878395A US423665A US42366573A US3878395A US 3878395 A US3878395 A US 3878395A US 423665 A US423665 A US 423665A US 42366573 A US42366573 A US 42366573A US 3878395 A US3878395 A US 3878395A
Authority
US
United States
Prior art keywords
anode
rotary
ray tube
support
magnetic
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
Application number
US423665A
Other languages
English (en)
Inventor
Gerd Seifert
Gunther Appelt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of US3878395A publication Critical patent/US3878395A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
    • 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)
  • X-Ray Techniques (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
US423665A 1972-12-21 1973-12-11 Method and means for operating x-ray tubes with rotary anodes Expired - Lifetime US3878395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2262757A DE2262757C3 (de) 1972-12-21 1972-12-21 RöntgenrShrendrehanodenlagerung

Publications (1)

Publication Number Publication Date
US3878395A true US3878395A (en) 1975-04-15

Family

ID=5865127

Family Applications (1)

Application Number Title Priority Date Filing Date
US423665A Expired - Lifetime US3878395A (en) 1972-12-21 1973-12-11 Method and means for operating x-ray tubes with rotary anodes

Country Status (5)

Country Link
US (1) US3878395A (ja)
CH (1) CH570699A5 (ja)
DE (1) DE2262757C3 (ja)
FR (1) FR2211749B1 (ja)
GB (1) GB1438317A (ja)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167671A (en) * 1977-04-12 1979-09-11 Kernforschungsanlage Julich Gesellschaft Mit Beschrankter Haftung Rotary anode X-ray tube
DE3004531A1 (de) * 1980-02-07 1981-08-13 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehre
US4322624A (en) * 1979-03-30 1982-03-30 U.S. Philips Corporation X-ray tube having a magnetically supported rotary anode
FR2494497A1 (fr) * 1980-11-19 1982-05-21 Siemens Ag Tube a rayons x a anode tournante
US4357555A (en) * 1979-05-08 1982-11-02 U.S. Philips Corporation Rotary anode X-ray tube
EP0082249A1 (de) * 1981-12-16 1983-06-29 Siemens Aktiengesellschaft Drehanoden-Röntgenröhren
US4417171A (en) * 1980-11-14 1983-11-22 Siemens Aktiengesellschaft Rotary anode x-ray tube
FR2532782A1 (fr) * 1982-09-06 1984-03-09 Siemens Ag Tube a rayons x et a anode tournante
US4468801A (en) * 1981-07-30 1984-08-28 Tokyo Shibaura Denki Kabushiki Kaisha Rotary anode X-ray tube
US4583794A (en) * 1984-02-03 1986-04-22 Kabushiki Kaisha Toshiba Electromagnetic bearing
US4651336A (en) * 1983-05-06 1987-03-17 Thomson-Csf Rotating-anode X-ray tube
US4677651A (en) * 1983-12-05 1987-06-30 U.S. Philips Corporation Rotary anode X-ray tube having a sliding bearing
US4780900A (en) * 1985-05-07 1988-10-25 Thomson-Cgr Radiogenic tube radiological device with magnetic bearings
US4920551A (en) * 1985-09-30 1990-04-24 Kabushiki Kaisha Toshiba Rotating anode X-ray tube
EP1081740A1 (de) * 1999-07-07 2001-03-07 Philips Corporate Intellectual Property GmbH Drehanoden-Röntgenröhre mit axialer Lagerung.
US20150117604A1 (en) * 2012-05-22 2015-04-30 Koninklijke Philips N.V. Balancing in an x-ray tube
JP2021528831A (ja) * 2018-09-28 2021-10-21 ヴァレックス イメージング コーポレイション 磁気アシストベアリングの真空浸透

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601529C2 (de) * 1976-01-16 1982-04-29 Philips Patentverwaltung Gmbh, 2000 Hamburg Magnetische Lagerung der Drehwelle der Drehanode für eine Röntgenröhre
DE3000357C2 (de) * 1980-01-07 1982-12-30 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Mechanisches Hilfslager für magnetische Lagerung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502926A (en) * 1967-03-24 1970-03-24 Hitachi Ltd Rotating anode x-ray tube with magnetic damper

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7307042A (ja) * 1973-05-21 1974-11-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502926A (en) * 1967-03-24 1970-03-24 Hitachi Ltd Rotating anode x-ray tube with magnetic damper

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167671A (en) * 1977-04-12 1979-09-11 Kernforschungsanlage Julich Gesellschaft Mit Beschrankter Haftung Rotary anode X-ray tube
US4322624A (en) * 1979-03-30 1982-03-30 U.S. Philips Corporation X-ray tube having a magnetically supported rotary anode
US4357555A (en) * 1979-05-08 1982-11-02 U.S. Philips Corporation Rotary anode X-ray tube
DE3004531A1 (de) * 1980-02-07 1981-08-13 Siemens AG, 1000 Berlin und 8000 München Drehanoden-roentgenroehre
US4417171A (en) * 1980-11-14 1983-11-22 Siemens Aktiengesellschaft Rotary anode x-ray tube
FR2494497A1 (fr) * 1980-11-19 1982-05-21 Siemens Ag Tube a rayons x a anode tournante
US4414681A (en) * 1980-11-19 1983-11-08 Siemens Aktiengesellschaft Rotary anode x-ray tube
US4468801A (en) * 1981-07-30 1984-08-28 Tokyo Shibaura Denki Kabushiki Kaisha Rotary anode X-ray tube
US4504965A (en) * 1981-12-16 1985-03-12 Siemens Aktiengesellschaft Rotary anode X-ray tubes
EP0082249A1 (de) * 1981-12-16 1983-06-29 Siemens Aktiengesellschaft Drehanoden-Röntgenröhren
FR2532782A1 (fr) * 1982-09-06 1984-03-09 Siemens Ag Tube a rayons x et a anode tournante
US4651336A (en) * 1983-05-06 1987-03-17 Thomson-Csf Rotating-anode X-ray tube
US4677651A (en) * 1983-12-05 1987-06-30 U.S. Philips Corporation Rotary anode X-ray tube having a sliding bearing
US4583794A (en) * 1984-02-03 1986-04-22 Kabushiki Kaisha Toshiba Electromagnetic bearing
US4780900A (en) * 1985-05-07 1988-10-25 Thomson-Cgr Radiogenic tube radiological device with magnetic bearings
US4920551A (en) * 1985-09-30 1990-04-24 Kabushiki Kaisha Toshiba Rotating anode X-ray tube
EP1081740A1 (de) * 1999-07-07 2001-03-07 Philips Corporate Intellectual Property GmbH Drehanoden-Röntgenröhre mit axialer Lagerung.
US20150117604A1 (en) * 2012-05-22 2015-04-30 Koninklijke Philips N.V. Balancing in an x-ray tube
JP2021528831A (ja) * 2018-09-28 2021-10-21 ヴァレックス イメージング コーポレイション 磁気アシストベアリングの真空浸透

Also Published As

Publication number Publication date
FR2211749B1 (ja) 1978-02-10
DE2262757A1 (de) 1974-06-27
DE2262757C3 (de) 1979-06-21
FR2211749A1 (ja) 1974-07-19
GB1438317A (en) 1976-06-03
DE2262757B2 (de) 1978-10-26
CH570699A5 (ja) 1975-12-15

Similar Documents

Publication Publication Date Title
US3878395A (en) Method and means for operating x-ray tubes with rotary anodes
EP0130541B1 (en) Flywheel apparatus
EP0564293B1 (en) Ring tube X-ray source
JP3121819B2 (ja) シャフトに加わる半径方向の力を受け止める永久磁石を備えた磁気軸受装置
US4322624A (en) X-ray tube having a magnetically supported rotary anode
US4542311A (en) Long linear stroke reciprocating electric machine
US4009406A (en) Synchronous micromotor with a permanent magnet rotor
US6094119A (en) Permanent magnet apparatus for magnetizing multipole magnets
JP6714717B2 (ja) Ｘ線管用の磁気リフトデバイス
JP2866910B2 (ja) 受動磁気軸受を備えたｘ線管の回転陽極の浮遊システム
JPS5843860B2 (ja) 電磁ベアリング付回転アノ−ドｘ線管
US4308479A (en) Magnet arrangement for axial flux focussing for two-pole permanent magnet A.C. machines
JPH021348B2 (ja)
US6873683B2 (en) Axial flux motor driven anode target for X-ray tube
US6809451B1 (en) Galvanometer motor with composite rotor assembly
US6570960B1 (en) High voltage isolated rotor drive for rotating anode x-ray tube
US4468800A (en) Rotary anode X-ray tube
US7944105B2 (en) Synchronous machine having magnetic bearings excited by the rotor
JPH0371569B2 (ja)
CN114857170B (zh) 磁悬浮轴承的轴向磁轴承结构
US10629403B1 (en) Magnetic assist bearing
JPS5960950A (ja) 回転陽極型ｘ線管装置
JPS5960949A (ja) 回転陽極型ｘ線管装置
JPH0332176B2 (ja)
Klosterman X-ray tubes