JPH0351222U - - Google Patents

Info

Publication number
JPH0351222U
JPH0351222U JP1989111643U JP11164389U JPH0351222U JP H0351222 U JPH0351222 U JP H0351222U JP 1989111643 U JP1989111643 U JP 1989111643U JP 11164389 U JP11164389 U JP 11164389U JP H0351222 U JPH0351222 U JP H0351222U
Authority
JP
Japan
Prior art keywords
touch
stopped
rotation
rolling elements
down bearing
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
JP1989111643U
Other languages
English (en)
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 filed Critical
Priority to JP1989111643U priority Critical patent/JPH0351222U/ja
Publication of JPH0351222U publication Critical patent/JPH0351222U/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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
    • 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
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6696—Special parts or details in view of lubrication with solids as lubricant, e.g. dry coatings, powder
    • 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
    • F16C39/00—Relieving load on bearings
    • F16C39/02—Relieving load on bearings using mechanical means
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

【図面の簡単な説明】
第１図は本考案のタツチダウン軸受の断面図、
第２図はタツチダウン軸受が組み込まれたターボ
分子ポンプの縦断面図、第３図は第２図のＡ部拡
大図、第４図は同Ｂ部拡大図である。 １……排気口、２……ケーシング、３……軸、
４……ロータ、５，６……タツチダウン軸受、７
……磁気軸受、８，９……磁石、１０，１１……
ブレード、１２……内輪、１３……外輪、１４…
…転動体、１５……固体潤滑剤。

Claims (1)

    【実用新案登録請求の範囲】
  1. 内輪と、外輪と、これら内外両輪の間に設けら
    れる複数の転動体とから成り、互いに非接触状態
    で相対的に回転する部材同士の間に設け、回転停
    止時に上記部材同士が直接接触するのを防止する
    タツチダウン軸受に於いて、上記転動体をセラミ
    ツク材製とすると共に、上記内輪と外輪との表面
    で、回転停止時に相手部材と接触する部分に、固
    体潤滑材を被覆した事を特徴とするタツチダウン
    軸受。
JP1989111643U 1989-09-26 1989-09-26 Pending JPH0351222U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989111643U JPH0351222U (ja) 1989-09-26 1989-09-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989111643U JPH0351222U (ja) 1989-09-26 1989-09-26

Publications (1)

Publication Number Publication Date
JPH0351222U true JPH0351222U (ja) 1991-05-17

Family

ID=31660115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989111643U Pending JPH0351222U (ja) 1989-09-26 1989-09-26

Country Status (1)

Country Link
JP (1) JPH0351222U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018204771A (ja) * 2017-06-09 2018-12-27 株式会社ジェイテクト 転がり軸受及び転がり軸受の製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018204771A (ja) * 2017-06-09 2018-12-27 株式会社ジェイテクト 転がり軸受及び転がり軸受の製造方法
US11143233B2 (en) 2017-06-09 2021-10-12 Jtekt Corporation Rolling bearing and method for manufacturing rolling bearing

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