DE69808191T2 - Wälzlager mit Dichtung und elektrostatische Entladungsschutzvorrichtung - Google Patents
Wälzlager mit Dichtung und elektrostatische EntladungsschutzvorrichtungInfo
- Publication number
- DE69808191T2 DE69808191T2 DE69808191T DE69808191T DE69808191T2 DE 69808191 T2 DE69808191 T2 DE 69808191T2 DE 69808191 T DE69808191 T DE 69808191T DE 69808191 T DE69808191 T DE 69808191T DE 69808191 T2 DE69808191 T2 DE 69808191T2
- Authority
- DE
- Germany
- Prior art keywords
- seals
- protection device
- electrostatic discharge
- rolling bearings
- discharge protection
- 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.)
- Expired - Lifetime
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
- F16C33/72—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
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
-
- 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
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6633—Grease properties or compositions, e.g. rheological properties
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/64—Devices for uninterrupted current collection
-
- 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
- F16C19/18—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 two or more rows of balls
- F16C19/181—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 two or more rows of balls with angular contact
- F16C19/183—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 two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—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 two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
-
- 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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/30—Electric properties; Magnetic properties
- F16C2202/32—Conductivity
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- 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
- Y10S277/00—Seal for a joint or juncture
- Y10S277/919—Seal including electrical feature
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT97TO000648A IT1293461B1 (it) | 1997-07-17 | 1997-07-17 | Cuscinetto di rotolamento con dispositivo di tenuta e di scarico di correnti elettrostatiche. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69808191D1 DE69808191D1 (de) | 2002-10-31 |
DE69808191T2 true DE69808191T2 (de) | 2003-02-13 |
Family
ID=11415878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69808191T Expired - Lifetime DE69808191T2 (de) | 1997-07-17 | 1998-07-15 | Wälzlager mit Dichtung und elektrostatische Entladungsschutzvorrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6109794A (de) |
EP (1) | EP0892471B1 (de) |
DE (1) | DE69808191T2 (de) |
IT (1) | IT1293461B1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005021354A1 (de) * | 2005-05-04 | 2006-11-16 | Vem Sachsenwerk Gmbh | Anordung zum Begrenzen von Überspannungen an Funktionsteilen umrichtergespeister elektrischer Maschinen |
DE202010017137U1 (de) | 2010-12-20 | 2012-01-02 | Axel R. Hidde | Gedichtete Lageranordnung mit semipermeabler Elastomer-Membran |
DE102010055178A1 (de) | 2010-12-20 | 2012-06-21 | Axel R. Hidde | Gedichtete Lageranordnung mit semipermeabler Elastomer-Membran |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6608422B2 (en) * | 1999-05-06 | 2003-08-19 | Prestolite Electric, Inc. | Alternator with an electric contact bearing assembly |
DE10037530A1 (de) * | 1999-08-31 | 2001-03-22 | Ntn Toyo Bearing Co Ltd | Dichtungsvorrichtung für Lager |
DE19983988B4 (de) * | 1999-11-15 | 2005-11-10 | Mitsubishi Denki K.K. | Wälzlager |
DE60114258T2 (de) * | 2000-01-31 | 2006-07-13 | Teijin Ltd. | Dichtungsanordnung zwischen Durchflussregler und Absperrventil montiert auf einem Sauerstoffzylinder |
US6984906B1 (en) | 2000-07-13 | 2006-01-10 | General Electric Company | Bearing current reduction assembly |
IT1318196B1 (it) * | 2000-07-19 | 2003-07-28 | Rft Spa | Complesso di tenuta per due organi reciprocamente rotanti, inparticolare i due anelli di un cuscinetto a rotolamento |
JP2002195277A (ja) * | 2000-10-19 | 2002-07-10 | Nsk Ltd | 転がり軸受 |
DE10249770B4 (de) * | 2002-10-24 | 2005-11-03 | Sew-Eurodrive Gmbh & Co. Kg | Getriebe |
DE202005016974U1 (de) * | 2005-10-25 | 2006-01-05 | Dettke, Christa | Presseur |
DE102007048557B3 (de) | 2007-10-09 | 2009-06-04 | Ab Skf | Anordnung zum Abdichten |
DE102008000854B4 (de) | 2008-03-27 | 2011-12-22 | Zf Friedrichshafen Ag | Kugelgelenk, Spurstange und Lenkvorrichtung |
US8264347B2 (en) * | 2008-06-24 | 2012-09-11 | Trelleborg Sealing Solutions Us, Inc. | Seal system in situ lifetime measurement |
JP5394507B2 (ja) * | 2009-03-06 | 2014-01-22 | サン−ゴバン パフォーマンス プラスティックス コーポレイション | 重ね合わせ型導電性ヘリカルスプリング |
DE102009036856A1 (de) | 2009-08-10 | 2011-02-17 | Magna Steyr Fahrzeugtechnik Ag & Co. Kg | Elektrische Maschine mit vor Stromdurchschlägen geschütztem Wälzlager und Getriebemotor mit einem solchen |
EP2484192A2 (de) * | 2009-10-02 | 2012-08-08 | Saint-gobain Performance Plastics Corporation | Modulare polymere emi/rfi-dichtung |
DE102010022320A1 (de) * | 2010-06-01 | 2011-12-01 | Schaeffler Technologies Gmbh & Co. Kg | Elektrischer Radantrieb |
US9088197B2 (en) * | 2011-09-07 | 2015-07-21 | General Electric Company | Shaft grounding system |
DE102012204795A1 (de) * | 2012-03-26 | 2013-09-26 | Schaeffler Technologies AG & Co. KG | Radnabenmotor mit Potenzialausgleich |
US8992091B2 (en) * | 2012-05-11 | 2015-03-31 | Schaeffler Technologies AG & Co. KG | Closure design of a conductive rubber material for allowing current passage through a bearing in electric machines |
JP6081179B2 (ja) * | 2012-12-14 | 2017-02-15 | Nok株式会社 | 密封装置 |
DE102013000982B4 (de) * | 2013-01-22 | 2015-10-29 | Carl Freudenberg Kg | Dichtring und Dichtungsanordnung damit |
DE102014010269B4 (de) * | 2014-07-11 | 2020-06-18 | Carl Freudenberg Kg | Vorschaltdichtung, Vorschaltdichtungsanordnung und Dichtring, umfassend die Vorschaltdichtung |
JP6281501B2 (ja) * | 2015-01-29 | 2018-02-21 | トヨタ自動車株式会社 | 車両の車輪支持装置 |
DE102016209581A1 (de) * | 2016-06-01 | 2017-12-07 | Volkswagen Aktiengesellschaft | Kontaktanordnung für eine elektrische Maschine |
US20180195407A1 (en) * | 2017-01-12 | 2018-07-12 | Pratt & Whitney Canada Corp. | Aircraft engine having seal assembly defining an electrically conductive path |
FR3077949A1 (fr) * | 2018-02-15 | 2019-08-16 | Renault S.A.S | Dispositif de mise a la masse d'un arbre tournant dans un carter et reducteur de vitesse |
US11035413B1 (en) | 2020-01-10 | 2021-06-15 | Aktiebolaget Skf | Bearing with conductive medium |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3564477A (en) * | 1969-08-11 | 1971-02-16 | Gen Motors Corp | Conductor seal |
DE2861278D1 (en) * | 1978-06-05 | 1982-01-14 | Stefa Industri Ab | Sealing device for bearings, especially roll bearings |
DE3147495A1 (de) * | 1981-12-01 | 1983-06-09 | Mueller Georg Nuernberg | Waelzlager-abdichtung |
JPS6343067A (ja) * | 1986-08-07 | 1988-02-24 | Nok Corp | 発熱性シ−ル材 |
WO1989002543A1 (en) * | 1987-09-19 | 1989-03-23 | Ntn Toyo Bearing Co., Ltd. | Electrical roller bearing |
FR2666937B1 (fr) * | 1990-09-13 | 1994-07-01 | Skf France | Palier a roulement a contacts electriques tournants. |
FR2678691B1 (fr) * | 1991-07-05 | 1995-04-21 | Skf France | Dispositif de capteur de vitesse de rotation pour roulements et roulement equipe d'un tel dispositif. |
IT1250840B (it) * | 1991-09-26 | 1995-04-21 | Skf Ind Spa | Sensore passivo con avvolgimento a basso numero di spire. |
FR2700588B1 (fr) * | 1993-01-19 | 1995-02-17 | Roulements Soc Nouvelle | Dispositif de montage à joint d'étanchéité à codeur incorporé. |
JPH07127647A (ja) * | 1993-11-04 | 1995-05-16 | Nippon Seiko Kk | 回転支持装置 |
US5470157A (en) * | 1994-03-29 | 1995-11-28 | The Timken Company | Bearing seal for sensing angular velocity |
IT1273173B (it) * | 1994-05-03 | 1997-07-07 | Skf Ind Spa | Gruppo sensore e di tenuta per un cuscinetto di rotolamento |
JP3231185B2 (ja) * | 1994-07-15 | 2001-11-19 | 日本精工株式会社 | 回転速度検出装置付転がり軸受ユニット |
US5454724A (en) * | 1994-07-22 | 1995-10-03 | Seagate Technology, Inc. | Floating electrical contact for spindle motor |
FR2730566B1 (fr) * | 1995-02-09 | 1997-06-13 | Skf France | Dispositif de codeur pour capteur de vitesse de rotation et roulement equipe d'un tel dispositif |
SE9600408L (sv) * | 1996-02-05 | 1997-08-06 | Skf Ab | Rullningslager |
IT1292297B1 (it) * | 1997-04-29 | 1999-01-29 | Skf Ind Spa | Complesso di tenuta sensorizzato per due organi in rotazione relativa, in particolare per un cuscinetto di rotolamento. |
-
1997
- 1997-07-17 IT IT97TO000648A patent/IT1293461B1/it active IP Right Grant
-
1998
- 1998-07-15 EP EP98113122A patent/EP0892471B1/de not_active Expired - Lifetime
- 1998-07-15 DE DE69808191T patent/DE69808191T2/de not_active Expired - Lifetime
- 1998-07-16 US US09/116,532 patent/US6109794A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005021354A1 (de) * | 2005-05-04 | 2006-11-16 | Vem Sachsenwerk Gmbh | Anordung zum Begrenzen von Überspannungen an Funktionsteilen umrichtergespeister elektrischer Maschinen |
DE202010017137U1 (de) | 2010-12-20 | 2012-01-02 | Axel R. Hidde | Gedichtete Lageranordnung mit semipermeabler Elastomer-Membran |
DE102010055178A1 (de) | 2010-12-20 | 2012-06-21 | Axel R. Hidde | Gedichtete Lageranordnung mit semipermeabler Elastomer-Membran |
Also Published As
Publication number | Publication date |
---|---|
IT1293461B1 (it) | 1999-03-01 |
US6109794A (en) | 2000-08-29 |
EP0892471A2 (de) | 1999-01-20 |
DE69808191D1 (de) | 2002-10-31 |
ITTO970648A1 (it) | 1999-01-17 |
EP0892471A3 (de) | 2000-06-28 |
EP0892471B1 (de) | 2002-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |