JP2009115283A - オルタネータ用軸受 - Google Patents
オルタネータ用軸受 Download PDFInfo
- Publication number
- JP2009115283A JP2009115283A JP2007291928A JP2007291928A JP2009115283A JP 2009115283 A JP2009115283 A JP 2009115283A JP 2007291928 A JP2007291928 A JP 2007291928A JP 2007291928 A JP2007291928 A JP 2007291928A JP 2009115283 A JP2009115283 A JP 2009115283A
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- Prior art keywords
- bearing
- alternator
- inner ring
- contact lip
- ring
- 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.)
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
- F16C33/7853—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
- F16C33/7856—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race with a single sealing lip
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
-
- 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
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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
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Motor Or Generator Frames (AREA)
Abstract
【解決手段】オルタネータ用軸受としてのフロント軸受21は、外径面の軸方向両端部に円周溝22bを有する内輪22と、内径面の軸方向端部に円周溝23bを有する外輪23と、内輪22および外輪23の間に配置される複数の転動体24と、内輪22および外輪23の間の隙間を密封する円環形状の密封部材としての密封シール26とを備える。そして、密封シール26は、外周部に外輪23に固定される固定部26cと、内周部に円周溝22bの側壁に当接する接触リップ部26eと、軸受の軸方向内側を向く壁面から円周溝22bの側壁に向かって突出した突起26hとを含む。
【選択図】図1
Description
Claims (6)
- オルタネータの回転軸を回転自在に支持するオルタネータ用軸受であって、
外径面の軸方向両端部に円周溝を有する内輪と、
外輪と、
前記内輪および前記外輪の間に配置される複数の転動体と、
前記内輪および前記外輪の間の隙間を密封する円環形状の密封部材とを備え、
前記密封部材は、
外周部に前記外輪に固定される固定部と、
内周部に前記円周溝の側壁に当接する接触リップ部と、
軸受の軸方向内側を向く壁面から前記円周溝の側壁に向かって突出した突起とを含む、オルタネータ用軸受。 - 前記突起の先端は、凸曲面である、請求項1に記載のオルタネータ用軸受。
- 前記突起は、前記密封部材の円周上の複数箇所に等間隔で配置されている、請求項1または2に記載のオルタネータ用軸受。
- 前記密封部材は、
前記固定部および前記接触リップ部を構成する弾性体と、
前記固定部および前記接触リップ部の間に配置され、前記弾性体の形状を保持する形状保持部材とを含み、
前記弾性体は、水素添加ニトリルゴムおよび耐エステルアクリルゴムのいずれか一方で形成されている、請求項1〜3のいずれかに記載のオルタネータ用軸受。 - 前記弾性体は、前記形状保持部材の内径側端部の直下から軸受の軸方向内側に分岐し、前記内輪と所定の隙間を設けて配置される第1の非接触リップ部をさらに備える、請求項4に記載のオルタネータ用軸受。
- 前記弾性体は、その内周領域に相対的に肉厚の小さい腰部と、前記腰部から軸受の軸方向外側に延びて、前記内輪と所定の隙間を設けて配置される第2の非接触リップ部とをさらに備える、請求項4または5に記載のオルタネータ用軸受。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007291928A JP5371230B2 (ja) | 2007-11-09 | 2007-11-09 | オルタネータ用軸受 |
PCT/JP2008/069090 WO2009060715A1 (ja) | 2007-11-09 | 2008-10-22 | オルタネータ用軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007291928A JP5371230B2 (ja) | 2007-11-09 | 2007-11-09 | オルタネータ用軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009115283A true JP2009115283A (ja) | 2009-05-28 |
JP5371230B2 JP5371230B2 (ja) | 2013-12-18 |
Family
ID=40625615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007291928A Expired - Fee Related JP5371230B2 (ja) | 2007-11-09 | 2007-11-09 | オルタネータ用軸受 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5371230B2 (ja) |
WO (1) | WO2009060715A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015033588A1 (ja) * | 2013-09-03 | 2015-03-12 | Nok株式会社 | ダストシール |
WO2019138938A1 (ja) * | 2018-01-09 | 2019-07-18 | Ntn株式会社 | 転がり軸受およびその設計方法 |
CN111520399A (zh) * | 2020-04-20 | 2020-08-11 | 人本集团有限公司 | 新型深沟球轴承 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012219497A1 (de) * | 2012-10-25 | 2014-04-30 | Schaeffler Technologies Gmbh & Co. Kg | Dichtelement für ein Wälzlager |
CN103195822A (zh) * | 2013-04-15 | 2013-07-10 | 宁波三泰轴承有限公司 | 防水防漏气的轴承 |
DE102017128937B4 (de) * | 2017-12-06 | 2020-01-30 | Schaeffler Technologies AG & Co. KG | Wälzlager mit integrierter Druckabdichtung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005188588A (ja) * | 2003-12-25 | 2005-07-14 | Nsk Ltd | 転がり軸受 |
JP2006258131A (ja) * | 2005-03-15 | 2006-09-28 | Nsk Ltd | 転がり軸受 |
JP2006329397A (ja) * | 2005-05-30 | 2006-12-07 | Jtekt Corp | 密封装置 |
JP2006336734A (ja) * | 2005-06-01 | 2006-12-14 | Nsk Ltd | 密封装置付き転がり軸受 |
JP2007270969A (ja) * | 2006-03-31 | 2007-10-18 | Jtekt Corp | 転がり軸受 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004162833A (ja) * | 2002-11-14 | 2004-06-10 | Nsk Ltd | 転がり軸受 |
JP2005106078A (ja) * | 2003-09-26 | 2005-04-21 | Nsk Ltd | クラッチプーリユニット |
-
2007
- 2007-11-09 JP JP2007291928A patent/JP5371230B2/ja not_active Expired - Fee Related
-
2008
- 2008-10-22 WO PCT/JP2008/069090 patent/WO2009060715A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005188588A (ja) * | 2003-12-25 | 2005-07-14 | Nsk Ltd | 転がり軸受 |
JP2006258131A (ja) * | 2005-03-15 | 2006-09-28 | Nsk Ltd | 転がり軸受 |
JP2006329397A (ja) * | 2005-05-30 | 2006-12-07 | Jtekt Corp | 密封装置 |
JP2006336734A (ja) * | 2005-06-01 | 2006-12-14 | Nsk Ltd | 密封装置付き転がり軸受 |
JP2007270969A (ja) * | 2006-03-31 | 2007-10-18 | Jtekt Corp | 転がり軸受 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015033588A1 (ja) * | 2013-09-03 | 2015-03-12 | Nok株式会社 | ダストシール |
JP2015048923A (ja) * | 2013-09-03 | 2015-03-16 | Nok株式会社 | ダストシール |
KR20160052586A (ko) * | 2013-09-03 | 2016-05-12 | 엔오케이 가부시키가이샤 | 더스트 시일 |
EP3043082A4 (en) * | 2013-09-03 | 2016-09-21 | Nok Corp | DUST-SEALED SEAL |
KR102105344B1 (ko) * | 2013-09-03 | 2020-04-28 | 엔오케이 가부시키가이샤 | 더스트 시일 |
WO2019138938A1 (ja) * | 2018-01-09 | 2019-07-18 | Ntn株式会社 | 転がり軸受およびその設計方法 |
JP2019120354A (ja) * | 2018-01-09 | 2019-07-22 | Ntn株式会社 | 転がり軸受およびその設計方法 |
JP7137310B2 (ja) | 2018-01-09 | 2022-09-14 | Ntn株式会社 | 転がり軸受およびその設計方法 |
CN111520399A (zh) * | 2020-04-20 | 2020-08-11 | 人本集团有限公司 | 新型深沟球轴承 |
Also Published As
Publication number | Publication date |
---|---|
JP5371230B2 (ja) | 2013-12-18 |
WO2009060715A1 (ja) | 2009-05-14 |
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