JP2009204005A5 - - Google Patents
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- Publication number
- JP2009204005A5 JP2009204005A5 JP2008044354A JP2008044354A JP2009204005A5 JP 2009204005 A5 JP2009204005 A5 JP 2009204005A5 JP 2008044354 A JP2008044354 A JP 2008044354A JP 2008044354 A JP2008044354 A JP 2008044354A JP 2009204005 A5 JP2009204005 A5 JP 2009204005A5
- Authority
- JP
- Japan
- Prior art keywords
- pair
- rotating shaft
- ball bearings
- inner ring
- ring raceway
- 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
Links
- 230000002093 peripheral Effects 0.000 claims 2
- 230000001050 lubricating Effects 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 claims 1
Claims (2)
前記回転軸の軸方向に離れた一対の内輪軌道を有する回転軸側の内輪と、
前記内輪軌道に対向する外輪軌道を有するハウジング側の一対の外輪と、
前記内輪軌道と前記外輪軌道との間に転動自在に複数の玉を配置してなる一対の玉軸受と、
前記回転軸における前記一対の玉軸受間の部分に供給された潤滑油を、当該回転軸の回転力で径外方向に飛散させて前記各玉軸受に供給する供給部材とを備えており、
前記供給部材は、前記回転軸における前記一対の玉軸受間の部分に設けられた径外方向に突出する突出部材よりなり、
前記突出部材は、前記一対の玉軸受に近接する位置に一対設けられていることを特徴とするターボチャージャ用軸受装置。 A turbocharger bearing device for rotatably supporting a rotating shaft of a turbocharger in a housing,
An inner ring on the rotating shaft side having a pair of inner ring raceways separated in the axial direction of the rotating shaft;
A pair of outer rings on the housing side having an outer ring raceway facing the inner ring raceway;
A pair of ball bearings in which a plurality of balls are arranged so as to roll freely between the inner ring raceway and the outer ring raceway;
A lubricating member that is supplied to a portion of the rotating shaft between the pair of ball bearings, and is supplied to each ball bearing by being scattered in a radially outward direction by the rotational force of the rotating shaft ;
The supply member comprises a projecting member that projects in a radially outward direction provided in a portion between the pair of ball bearings on the rotating shaft,
A pair of the protruding members are provided at positions close to the pair of ball bearings .
この軸受支持部の周壁部を径方向に貫通する前記潤滑油の供給孔が当該軸受支持部に形成され、この供給孔の径内側出口が前記一対の突出部材の間に向いて開口している請求項１に記載のターボチャージャ用軸受装置。 Further comprising a bearing support portion in which each of the pair of outer rings is fitted into an inner peripheral surface,
A supply hole for the lubricating oil that penetrates the peripheral wall portion of the bearing support portion in the radial direction is formed in the bearing support portion, and a radially inner outlet of the supply hole opens toward the pair of projecting members. The bearing device for turbochargers according to claim 1 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008044354A JP5024114B2 (en) | 2008-02-26 | 2008-02-26 | Bearing device for turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008044354A JP5024114B2 (en) | 2008-02-26 | 2008-02-26 | Bearing device for turbocharger |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009204005A JP2009204005A (en) | 2009-09-10 |
| JP2009204005A5 true JP2009204005A5 (en) | 2011-11-04 |
| JP5024114B2 JP5024114B2 (en) | 2012-09-12 |
Family
ID=41146498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008044354A Expired - Fee Related JP5024114B2 (en) | 2008-02-26 | 2008-02-26 | Bearing device for turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5024114B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107250584A (en) * | 2015-01-28 | 2017-10-13 | 伊顿公司 | Low creep bearing and for installing the method in booster |
| CN109113856A (en) * | 2018-07-20 | 2019-01-01 | 中车大连机车研究所有限公司 | Turbocharger with bearing self-return function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60137131U (en) * | 1984-02-23 | 1985-09-11 | 石川島播磨重工業株式会社 | Lubricating device for turbocharger bearings |
| JP2893754B2 (en) * | 1989-10-13 | 1999-05-24 | 日本精工株式会社 | Bearing device |
| JP4797299B2 (en) * | 2001-08-14 | 2011-10-19 | 株式会社Ｉｈｉ | Gas turbine engine |
| JP4211504B2 (en) * | 2003-06-16 | 2009-01-21 | 株式会社Ｉｈｉ | Rolling bearing lubrication structure |
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2008
- 2008-02-26 JP JP2008044354A patent/JP5024114B2/en not_active Expired - Fee Related
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