DE102004021466A1 - Elektrisch leitendes keramisches Lager - Google Patents

Elektrisch leitendes keramisches Lager Download PDF

Info

Publication number
DE102004021466A1
DE102004021466A1 DE102004021466A DE102004021466A DE102004021466A1 DE 102004021466 A1 DE102004021466 A1 DE 102004021466A1 DE 102004021466 A DE102004021466 A DE 102004021466A DE 102004021466 A DE102004021466 A DE 102004021466A DE 102004021466 A1 DE102004021466 A1 DE 102004021466A1
Authority
DE
Germany
Prior art keywords
bearing
electrically conductive
rolling
ray tube
tsc
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.)
Ceased
Application number
DE102004021466A
Other languages
German (de)
English (en)
Inventor
R. Bangalore Jayaprakash
George Bangalore Parampil
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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
Priority claimed from US10/445,590 external-priority patent/US20050254739A1/en
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of DE102004021466A1 publication Critical patent/DE102004021466A1/de
Ceased 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/62—Selection of substances
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/32—Balls
    • 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
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/002—Conductive elements, e.g. to prevent static electricity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S384/00—Bearings
    • Y10S384/90—Cooling or heating
    • Y10S384/913—Metallic compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Ceramic Products (AREA)
DE102004021466A 2003-05-27 2004-04-30 Elektrisch leitendes keramisches Lager Ceased DE102004021466A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/445590 2003-05-27
US10/445,590 US20050254739A1 (en) 2003-05-27 2003-05-27 Electrically conducting ceramic bearing rolling elements
US10/630284 2003-07-30
US10/630,284 US7044644B2 (en) 2003-05-27 2003-07-30 Electrically conducting ceramic bearings

Publications (1)

Publication Number Publication Date
DE102004021466A1 true DE102004021466A1 (de) 2004-12-16

Family

ID=33456653

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102004021466A Ceased DE102004021466A1 (de) 2003-05-27 2004-04-30 Elektrisch leitendes keramisches Lager

Country Status (3)

Country Link
US (1) US7044644B2 (https=)
JP (1) JP2004353867A (https=)
DE (1) DE102004021466A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013217517A1 (de) 2013-09-03 2015-03-05 Schaeffler Technologies Gmbh & Co. Kg Wälzlager und Wälzkörper zum Abbau elektrischer Potentiale
DE102018218432A1 (de) * 2018-10-29 2020-04-30 Minebea Mitsumi Inc. Drehanodenlagerung für eine Röntgenröhre und Drehanode für eine Röntgenröhre

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2128465B1 (de) * 2008-05-14 2011-07-06 Siemens Aktiengesellschaft Wälzlager, Wälzkörper für Wälzlager und Gerät mit Wälzlager
US8529136B2 (en) * 2009-03-30 2013-09-10 Wafertech, Llc High temperature ball bearing
CN110137061A (zh) * 2019-05-31 2019-08-16 麦默真空技术无锡有限公司 一种耐高温x射线ct管
CN115376871A (zh) * 2021-05-18 2022-11-22 西门子爱克斯射线真空技术(无锡)有限公司 X射线管及x射线发生装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678769B2 (ja) 1987-04-13 1994-10-05 石川島播磨重工業株式会社 セラミック軸受取付構造
JPH02140027U (https=) 1989-04-27 1990-11-22
JP3535558B2 (ja) * 1994-03-07 2004-06-07 株式会社東芝 摺動部材、転がり軸受および回転陽極ｘ線管
JP2000192969A (ja) * 1998-12-24 2000-07-11 Nsk Ltd 転がり軸受
DE60021451T2 (de) 1999-03-04 2006-06-08 NGK Spark Plug Co., Ltd., Nagoya Keramikkugel für Kugellager
US6158894A (en) 1999-07-28 2000-12-12 Saint-Gobain Ceramics & Plastics, Inc. All ceramic bearing
US6702466B2 (en) * 1999-10-15 2004-03-09 Ngk Spark Plug Co., Ltd. Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic dynamic-pressure bearing
US6508591B2 (en) 2000-08-31 2003-01-21 Ngk Spark Plug Co., Ltd. Conductive ceramic bearing ball, ball bearing, motor having bearing, hard disk drive, and polygon scanner
JP2002247798A (ja) * 2001-02-20 2002-08-30 Sanyo Denki Co Ltd ファンモータ
US6874942B2 (en) * 2001-03-02 2005-04-05 Nsk Ltd. Rolling device
US6505974B2 (en) 2001-05-02 2003-01-14 Honeywell International, Inc. Ceramic ball bearings and assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013217517A1 (de) 2013-09-03 2015-03-05 Schaeffler Technologies Gmbh & Co. Kg Wälzlager und Wälzkörper zum Abbau elektrischer Potentiale
DE102018218432A1 (de) * 2018-10-29 2020-04-30 Minebea Mitsumi Inc. Drehanodenlagerung für eine Röntgenröhre und Drehanode für eine Röntgenröhre
DE102018218432B4 (de) 2018-10-29 2023-05-17 Minebea Mitsumi Inc. Drehanodenlagerung für eine Röntgenröhre und Drehanode für eine Röntgenröhre

Also Published As

Publication number Publication date
US20040240763A1 (en) 2004-12-02
JP2004353867A (ja) 2004-12-16
US7044644B2 (en) 2006-05-16

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Legal Events

Date Code Title Description
R012 Request for examination validly filed

Effective date: 20110405

R016 Response to examination communication
R002 Refusal decision in examination/registration proceedings
R003 Refusal decision now final

Effective date: 20140429