EP2920806B1 - Unité palier pour anodes tournantes de tubes à rayons x - Google Patents
Unité palier pour anodes tournantes de tubes à rayons x Download PDFInfo
- Publication number
- EP2920806B1 EP2920806B1 EP13823927.2A EP13823927A EP2920806B1 EP 2920806 B1 EP2920806 B1 EP 2920806B1 EP 13823927 A EP13823927 A EP 13823927A EP 2920806 B1 EP2920806 B1 EP 2920806B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- shaft
- bearing unit
- unit according
- angular ball
- 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.)
- Active
Links
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
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
-
- 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
- H01J2235/1006—Supports or shafts for target or substrate
- H01J2235/102—Materials for the shaft
-
- 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
-
- 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
- H01J2235/1053—Retainers or races
Definitions
- the invention relates to a bearing unit for rotary anodes of x-ray tubes.
- a bearing unit for rotary anodes of X-ray tubes is known, wherein the rotary anode is housed in a partially reproduced evacuated glass bulb
- Further examples of a bearing unit for rotary anodes of X-ray tubes are disclosed in US Pat US 2012/144939 A1 .
- EP 1 843 381 A1 and EP 0 351 225 A2 disclosed.
- the invention has for its object to produce a storage unit for such rotary anodes of X-ray tubes, which is particularly easy to install.
- the angular contact ball bearings are oriented opposite to each other, ie, the respective open side of the angular contact ball bearings are either facing each other or facing away from each other.
- the open shoulder of the angular contact ball bearing of the first bearing element is arranged in the direction of the flange end of the shaft and the open shoulder of the angular contact ball bearing of the further bearing element in the direction of the flange distal end of the shaft.
- the angular contact ball bearing 6 is applied with its inner ring 7 at a shoulder of the shaft 2.
- the Verstemmelement 14 is sleeve-shaped. More specifically, the caulking 14 has the shape of a ring or a hollow cylinder.
Landscapes
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Mounting Of Bearings Or Others (AREA)
Claims (8)
- Unité de palier (1) pour anodes tournantes de tubes à rayons X, comprenant un arbre (2) et un élément de bride (3) sur lequel peut être montée une anode tournante,- l'unité de palier (1) pouvant être insérée dans un évidement à l'intérieur du tube à rayons X et pouvant y être bloquée,- l'arbre (2) étant reçu par le biais d'un premier élément de palier (4) et d'un élément de palier supplémentaire (5),- le premier élément de palier (4) et l'élément de palier supplémentaire (5) se composant chacun d'un roulement à billes à contact oblique (6, 9) monté sur l'arbre (2), avec une bague interne (7, 10) et une bague externe (8, 11),- entre les bagues internes (7, 10) et/ou les bagues externes (8, 11) du premier et du deuxième élément de palier (4, 5) étant monté au moins un élément d'espacement (12, 13), caractérisée en ce que- le palier à roulement à billes à contact oblique (9) de l'élément de palier supplémentaire (5) est fixé à l'arbre (2) par le biais d'un élément de matage (14),- l'élément de matage (14) est réalisé soit sous la forme d'un élément de matage se rétrécissant soit sous la forme d'un élément de matage en forme de douille (14) et- l'élément de matage (14) est fixé par une région d'extrémité (16) de l'arbre déformée plastiquement.
- Unité de palier selon la revendication 1, dans laquelle à la fois entre les bagues internes (7, 10) et entre les bagues externes (8, 11) du premier et du deuxième élément de palier (4, 5) est à chaque fois monté au moins un élément d'espacement (12, 13).
- Unité de palier selon la revendication 1, dans laquelle le premier élément de palier (4) et/ou le deuxième élément de palier (5) s'appliquent avec leur bague interne (7, 10) contre un épaulement de l'arbre (2).
- Unité de palier selon l'une quelconque des revendications précédentes, dans laquelle l'arbre (2) se compose d'un matériau en acier non trempé.
- Unité de palier selon l'une quelconque des revendications précédentes, dans laquelle les roulements à billes à contact oblique (6, 9) sont orientés à l'opposé l'un de l'autre.
- Unité de palier selon l'une quelconque des revendications précédentes, dans laquelle le côté ouvert du roulement à billes à contact oblique (6) du premier élément de palier (4) est disposé dans la direction de l'extrémité de l'arbre (2) du côté de la bride.
- Unité de palier selon l'une quelconque des revendications précédentes, dans laquelle le côté ouvert du roulement à billes à contact oblique (9) de l'élément de palier supplémentaire (5) est disposé dans la direction de l'extrémité de l'arbre (2) opposée à la bride (3).
- Unité de palier selon l'une quelconque des revendications précédentes, dans laquelle les côtés ouverts des roulements à billes à contact oblique (6, 9) sont réalisés au niveau de chaque bague externe (8, 11).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202012104447 | 2012-11-19 | ||
PCT/DE2013/100390 WO2014075664A1 (fr) | 2012-11-19 | 2013-11-19 | Unité palier pour anodes tournantes de tubes à rayons x |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2920806A1 EP2920806A1 (fr) | 2015-09-23 |
EP2920806B1 true EP2920806B1 (fr) | 2018-10-10 |
Family
ID=49999652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13823927.2A Active EP2920806B1 (fr) | 2012-11-19 | 2013-11-19 | Unité palier pour anodes tournantes de tubes à rayons x |
Country Status (7)
Country | Link |
---|---|
US (1) | US9520261B2 (fr) |
EP (1) | EP2920806B1 (fr) |
JP (1) | JP2016504537A (fr) |
CN (1) | CN104781904A (fr) |
DE (1) | DE202013105226U1 (fr) |
ES (1) | ES2703544T3 (fr) |
WO (1) | WO2014075664A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105508442A (zh) * | 2016-01-29 | 2016-04-20 | 西门子爱克斯射线真空技术(无锡)有限公司 | X射线管的轴承组件及其x射线管 |
DE102021204081A1 (de) | 2021-04-23 | 2022-10-27 | Minebea Mitsumi Inc. | Drehanodenlageranordnung und Drehanode für eine Röntgenröhre sowie Verfahren zur Montage einer Drehanodenlageranordnung |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3694685A (en) * | 1971-06-28 | 1972-09-26 | Gen Electric | System for conducting heat from an electrode rotating in a vacuum |
DE7920150U1 (de) * | 1979-07-13 | 1981-01-08 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Roentgenroehrendrehanode |
DE3041558A1 (de) | 1980-11-04 | 1982-06-09 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung von lagern fuer drehanoden von roentgenroehren und damit hergestellten roentgenroehren |
JPH0226317A (ja) * | 1988-07-15 | 1990-01-29 | Toshiba Corp | 軸受装置およびこれを用いた回転陽極形x線管装置 |
US5527401A (en) * | 1993-06-30 | 1996-06-18 | Samsung Heavy Industry Co., Ltd. | High toughness and high strength untempered steel and processing method thereof |
JP3735926B2 (ja) * | 1995-12-15 | 2006-01-18 | 日本精工株式会社 | 車輪支持用ハブユニット |
DE19914826A1 (de) * | 1999-03-31 | 2000-09-14 | Siemens Ag | Verfahren zum Herstellen von Bauteilen für Röntgenröhren |
US6693990B1 (en) * | 2001-05-14 | 2004-02-17 | Varian Medical Systems Technologies, Inc. | Low thermal resistance bearing assembly for x-ray device |
FR2846784B1 (fr) * | 2002-10-30 | 2005-02-11 | Ge Med Sys Global Tech Co Llc | Ensemble de palier pour le montage a rotation d'une anode rotative d'un dispositif d'emission de rayons x et dispositif d'emission de rayon x equipe d'un tel ensemble. |
US7343002B1 (en) * | 2003-02-05 | 2008-03-11 | Varian Medical Systems Technologies, Inc. | Bearing assembly |
JP2006242257A (ja) * | 2005-03-02 | 2006-09-14 | Ntn Corp | 車輪用軸受装置 |
ATE421763T1 (de) * | 2006-04-04 | 2009-02-15 | Paul Mueller Gmbh & Co Kg | Lagereinheit für drehanoden von röntgenröhren |
US20080056450A1 (en) * | 2006-09-01 | 2008-03-06 | General Electric Company | X-ray tubes and methods of making the same |
JP2008243694A (ja) * | 2007-03-28 | 2008-10-09 | Jtekt Corp | X線管用転がり軸受およびx線管装置 |
US20100128848A1 (en) * | 2008-11-21 | 2010-05-27 | General Electric Company | X-ray tube having liquid lubricated bearings and liquid cooled target |
US8363787B2 (en) * | 2009-03-25 | 2013-01-29 | General Electric Company | Interface for liquid metal bearing and method of making same |
US20120144939A1 (en) * | 2010-12-13 | 2012-06-14 | Arne Lars Jonas Kullin | Double Bearing Assembly for Rotating Shaft |
-
2013
- 2013-11-19 EP EP13823927.2A patent/EP2920806B1/fr active Active
- 2013-11-19 US US14/442,444 patent/US9520261B2/en active Active
- 2013-11-19 JP JP2015542163A patent/JP2016504537A/ja active Pending
- 2013-11-19 ES ES13823927T patent/ES2703544T3/es active Active
- 2013-11-19 CN CN201380059832.4A patent/CN104781904A/zh active Pending
- 2013-11-19 DE DE202013105226.4U patent/DE202013105226U1/de not_active Expired - Lifetime
- 2013-11-19 WO PCT/DE2013/100390 patent/WO2014075664A1/fr active Application Filing
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
US9520261B2 (en) | 2016-12-13 |
EP2920806A1 (fr) | 2015-09-23 |
JP2016504537A (ja) | 2016-02-12 |
DE202013105226U1 (de) | 2014-02-21 |
US20160155599A1 (en) | 2016-06-02 |
CN104781904A (zh) | 2015-07-15 |
ES2703544T3 (es) | 2019-03-11 |
WO2014075664A1 (fr) | 2014-05-22 |
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