JPH11149892A - 流体力学的スリーブ軸受を備えた回転陽極x線管 - Google Patents
流体力学的スリーブ軸受を備えた回転陽極x線管Info
- Publication number
- JPH11149892A JPH11149892A JP10255430A JP25543098A JPH11149892A JP H11149892 A JPH11149892 A JP H11149892A JP 10255430 A JP10255430 A JP 10255430A JP 25543098 A JP25543098 A JP 25543098A JP H11149892 A JPH11149892 A JP H11149892A
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- holder
- ray tube
- rotating anode
- segment
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 229910000799 K alloy Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/02—Sliding-contact bearings
- F16C23/04—Sliding-contact bearings self-adjusting
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19739908A DE19739908A1 (de) | 1997-09-11 | 1997-09-11 | Drehanoden-Röntgenröhre mit einem hydrodynamischen Gleitlager |
| DE19739908:8 | 1997-09-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11149892A true JPH11149892A (ja) | 1999-06-02 |
| JPH11149892A5 JPH11149892A5 (enExample) | 2005-10-27 |
Family
ID=7841994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10255430A Pending JPH11149892A (ja) | 1997-09-11 | 1998-09-09 | 流体力学的スリーブ軸受を備えた回転陽極x線管 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6275567B1 (enExample) |
| EP (1) | EP0902455B1 (enExample) |
| JP (1) | JPH11149892A (enExample) |
| DE (2) | DE19739908A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19931296A1 (de) * | 1999-07-07 | 2001-01-11 | Philips Corp Intellectual Pty | Drehanoden-Röntgenröhre mit axialer Lagerung |
| CN102822543B (zh) | 2010-03-31 | 2015-07-22 | 皇家飞利浦电子股份有限公司 | 用于x射线管的旋转阳极的支承系统 |
| US9972472B2 (en) * | 2014-11-10 | 2018-05-15 | General Electric Company | Welded spiral groove bearing assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6617168A (enExample) * | 1966-12-07 | 1968-06-10 | ||
| NL6706569A (enExample) * | 1967-05-11 | 1968-11-12 | ||
| NL7713634A (nl) * | 1977-12-09 | 1979-06-12 | Philips Nv | Roentgenbuis met draaianode. |
| NL8601414A (nl) * | 1986-06-02 | 1988-01-04 | Philips Nv | Roentgenbuis met een draaianode. |
| DE8705478U1 (de) | 1987-04-13 | 1988-08-11 | Siemens AG, 1000 Berlin und 8000 München | Röntgenröhre mit einer in einem Vakuumgehäuse untergebrachten Drehanode |
| US5173797A (en) * | 1990-05-08 | 1992-12-22 | Xerox Corporation | Rotating mirror optical scanner with grooved grease bearings |
-
1997
- 1997-09-11 DE DE19739908A patent/DE19739908A1/de not_active Withdrawn
-
1998
- 1998-09-02 DE DE59812319T patent/DE59812319D1/de not_active Expired - Fee Related
- 1998-09-02 EP EP98202924A patent/EP0902455B1/de not_active Expired - Lifetime
- 1998-09-09 JP JP10255430A patent/JPH11149892A/ja active Pending
- 1998-09-10 US US09/150,555 patent/US6275567B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0902455A2 (de) | 1999-03-17 |
| EP0902455B1 (de) | 2004-12-01 |
| EP0902455A3 (de) | 2002-01-23 |
| US6275567B1 (en) | 2001-08-14 |
| DE19739908A1 (de) | 1999-03-18 |
| DE59812319D1 (de) | 2005-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050907 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050907 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20071113 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20071120 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20080422 |