JP2012057723A - 転がり軸受および潤滑油供給装置付きターボチャージャ - Google Patents
転がり軸受および潤滑油供給装置付きターボチャージャ Download PDFInfo
- Publication number
- JP2012057723A JP2012057723A JP2010201740A JP2010201740A JP2012057723A JP 2012057723 A JP2012057723 A JP 2012057723A JP 2010201740 A JP2010201740 A JP 2010201740A JP 2010201740 A JP2010201740 A JP 2010201740A JP 2012057723 A JP2012057723 A JP 2012057723A
- Authority
- JP
- Japan
- Prior art keywords
- rolling bearing
- lubricating oil
- rolling
- outer ring
- turbocharger
- 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.)
- Granted
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Classifications
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- 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
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
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- 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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
- F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
- F16C19/548—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings in O-arrangement
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- 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
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
-
- 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
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3843—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
-
- 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
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/664—Retaining the liquid in or near the bearing
- F16C33/6651—Retaining the liquid in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
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- 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
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
Landscapes
- Supercharger (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】円筒状の外輪24aと、外輪24aの内周側に配置される円筒状の内輪24bと、外輪24aおよび内輪24b間を転動する複数の転動体24cと、複数の転動体24cを保持するポケット65aを有し、外輪24aと内輪24b間に配置される円筒状の保持器65と、外輪24a、内輪24b、転動体24c、保持器65の互いに接触する箇所を潤滑する潤滑油とからなる転がり軸受24において、前記保持器65の軸方向両側面に軸方向両側面に軸方向に深さを有する凹溝65bを径方向に形成し、この転がり軸受24をターボチャージャの転がり軸受に適用するとともに、転がり軸受24の軸方向両側に油溜り60、61を設けた。
【選択図】図2
Description
エンジンの駆動中は、エンジンから排出された排気ガスでタービン側インペラ21が回転する。タービン側インペラ21の回転は、回転軸23を介してコンプレッサ側インペラ22に伝えられ、コンプレッサ側インペラ22からエンジンへ圧縮空気が供給される。
他の実施形態として、アンギュラ玉軸受タイプの転がり軸受24,25に変えて、ラジアル玉軸受タイプの転がり軸受にも適用しても良い。
Claims (3)
- 円筒状の外輪と、前記外輪の内周側に配置される円筒状の内輪と、前記外輪および内輪間を転動する複数の転動体と、前記複数の転動体を保持するポケットを有し、前記外輪と内輪間に配置される円筒状の保持器と、外輪、内輪、転動体、保持器の互いに接触する箇所を潤滑する潤滑油とからなる転がり軸受において、前記保持器の軸方向両側面に軸方向に深さを有する凹溝を径方向に形成したことを特徴とする転がり軸受。
- 前記凹溝は、保持器の円周方向においてポケットと対応する位置に形成したことを特徴とする請求項1に記載の転がり軸受。
- エンジンの排気ガスによって回転駆動されるタービン側インペラと、エンジンの吸気側へ圧縮空気を送る及びコンプレッサ側インペラと、タービン側インペラとコンプレッサ側インペラを連結する回転軸と、回転軸を回転可能に支持する一対の転がり軸受と、一対の転がり軸受を収容した軸受ケースと、タービン側インペラ、コンプレッサ側インペラ、軸受ケースを収容したターボチャージャハウジングと、前記転がり軸受へ潤滑油を供給する潤滑油供給装置とを備え、タービン側インペラ側の転がり軸受の軸方向両側に油溜まりを設け、この油溜まりに通じる供給通路と、この油溜まりに通じる排出通路を前記ターボチャージャハウジングに設けた潤滑油供給装置付きターボチャージャにおいて、
前記タービン側インペラ側の転がり軸受に、請求項1または2に記載の転がり軸受を適用したことを特徴とする潤滑油供給装置付きターボチャージャ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010201740A JP5633261B2 (ja) | 2010-09-09 | 2010-09-09 | 潤滑油供給装置付きターボチャージャ |
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JP2010201740A JP5633261B2 (ja) | 2010-09-09 | 2010-09-09 | 潤滑油供給装置付きターボチャージャ |
Publications (2)
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JP2012057723A true JP2012057723A (ja) | 2012-03-22 |
JP5633261B2 JP5633261B2 (ja) | 2014-12-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014043920A (ja) * | 2012-08-28 | 2014-03-13 | Jtekt Corp | ターボチャージャー用転がり軸受装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006090461A (ja) * | 2004-09-24 | 2006-04-06 | Ntn Corp | 転がり軸受 |
JP2008286232A (ja) * | 2007-05-15 | 2008-11-27 | Nsk Ltd | ラジアルニードル軸受 |
JP2010096119A (ja) * | 2008-10-17 | 2010-04-30 | Jtekt Corp | ターボチャージャ用軸受装置 |
-
2010
- 2010-09-09 JP JP2010201740A patent/JP5633261B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006090461A (ja) * | 2004-09-24 | 2006-04-06 | Ntn Corp | 転がり軸受 |
JP2008286232A (ja) * | 2007-05-15 | 2008-11-27 | Nsk Ltd | ラジアルニードル軸受 |
JP2010096119A (ja) * | 2008-10-17 | 2010-04-30 | Jtekt Corp | ターボチャージャ用軸受装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014043920A (ja) * | 2012-08-28 | 2014-03-13 | Jtekt Corp | ターボチャージャー用転がり軸受装置 |
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JP5633261B2 (ja) | 2014-12-03 |
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