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
Application number
JP10255430A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11149892A5 (2
Inventor
Ulrich Hove
ホーフェ ウルリヒ
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JPH11149892A publication Critical patent/JPH11149892A/ja
Publication of JPH11149892A5 publication Critical patent/JPH11149892A5/ja
Pending legal-status Critical Current

Links

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)
JP10255430A 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 Pending JPH11149892A (ja)

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 (2) 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 (2)
EP (1) EP0902455B1 (2)
JP (1) JPH11149892A (2)
DE (2) DE19739908A1 (2)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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
EP2553283B1 (en) 2010-03-31 2015-01-07 Koninklijke Philips N.V. Bearing system for a rotary anode of an x-ray tube
US9972472B2 (en) * 2014-11-10 2018-05-15 General Electric Company Welded spiral groove bearing assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6617168A (2) * 1966-12-07 1968-06-10
NL6706569A (2) * 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

Also Published As

Publication number Publication date
US6275567B1 (en) 2001-08-14
EP0902455A3 (de) 2002-01-23
EP0902455A2 (de) 1999-03-17
DE19739908A1 (de) 1999-03-18
DE59812319D1 (de) 2005-01-05
EP0902455B1 (de) 2004-12-01

Similar Documents

Publication Publication Date Title
US6546078B2 (en) Rotary anode type X-ray tube
CN101321962B (zh) 悬挂接头轴承
EP0138042B1 (en) Thermally compensated x-ray tube bearings
US4520496A (en) Rotary-anode X-ray tube
US6064719A (en) Rotary-anode X-ray tube including a sleeve bearing
JPH11149892A (ja) 流体力学的スリーブ軸受を備えた回転陽極ｘ線管
US6088426A (en) Graphite x-ray target assembly
US5308172A (en) Bearing assembly
US6361216B1 (en) Dynamic pressure bearing
JP2003184864A (ja) 動圧軸受
US5701336A (en) Rotary-anode x-ray tube
US2786954A (en) Electron tube
US4897075A (en) Centrifuge drive hub
EP0055828A2 (en) X-ray tube having a unitary target, stem and rotor hub
JP2000208078A (ja) 回転陽極ｘ線管用転がり軸受
CN113272565B (zh) 滚珠轴承及其组装方法
US20080247691A1 (en) Bearing device
JP4127502B2 (ja) 回転陽極型ｘ線管
US2721105A (en) Thrust bearing
CN217007849U (zh) 一种具有视度及焦距调节机构的望远镜
JP3004512B2 (ja) 動圧軸受装置
GB2298904A (en) Bearing assembly
JPH02126543A (ja) 回転陽極型ｘ線管
EP2610515A1 (en) Sliding universal joint
US9646645B2 (en) Spindle motor with disk clamp centered on cover cap

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