DE4338261B4 - Release bearing for a motor vehicle friction clutch - Google Patents
Release bearing for a motor vehicle friction clutch Download PDFInfo
- Publication number
- DE4338261B4 DE4338261B4 DE4338261A DE4338261A DE4338261B4 DE 4338261 B4 DE4338261 B4 DE 4338261B4 DE 4338261 A DE4338261 A DE 4338261A DE 4338261 A DE4338261 A DE 4338261A DE 4338261 B4 DE4338261 B4 DE 4338261B4
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- sealing
- ring
- bearing ring
- flange part
- 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 - Fee Related
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
-
- 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
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
-
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/43—Clutches, e.g. disengaging bearing
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/06—Lubrication details not provided for in group F16D13/74
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/08—Details or arrangements of sealings not provided for in group F16D3/84
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Mechanical Operated Clutches (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
Ausrücklager für eine Kraftfahrzeug-Reibungskupplung, umfassend:
– zwei relativ zueinander um eine Drehachse (3) drehbare Lagerringe (15, 17), von denen ein innerer Lagerring (17) auf einer äußeren Umfangsfläche und ein äußerer Lagerring (15) auf einer inneren Umfangsfläche einander gegenüberliegend je eine Wälzkörperlaufbahn (21, 23) aufweist und von denen ein erster (15) der beiden Lagerringe (15, 17) ein ringförmiges, radial zum zweiten (17) der beiden Lagerringe (15, 17) vorstehendes und in einer Sitzfläche (43) an seinem Umfang radial endendes Flanschteil (25) aufweist und der zweite Lagerring (17) auf der dem Flanschteil (25) axial benachbarten Seite seiner Wälzkörperlaufbahn (23) in einem Endbereich endet, der eine ringförmige Dichtfläche (45) bildet,
– eine Vielzahl Wälzkörper (19) zwischen den Wälzkörperlaufbahnen (21, 23) der beiden Lagerringe (15, 17) und
– ein an der Sitzfläche (43) des Flanschteils (25) gehaltenes, mit einem ringförmigen Dichtbereich (39) aus elastischem Material an der Dichtfläche (45) des zweiten Lagerrings...Release bearing for a motor vehicle friction clutch, comprising:
- Two bearing rings (15, 17) rotatable relative to one another about an axis of rotation (3), of which an inner bearing ring (17) on an outer circumferential surface and an outer bearing ring (15) on an inner circumferential surface opposite one another each have a rolling element raceway (21, 23 ) and of which a first (15) of the two bearing rings (15, 17) has an annular flange part (projecting radially to the second (17) of the two bearing rings (15, 17) and ending radially in a seat surface (43) on its periphery ( 25) and the second bearing ring (17) ends on the side of its rolling element raceway (23) axially adjacent to the flange part (25) in an end region which forms an annular sealing surface (45),
- A plurality of rolling elements (19) between the rolling element raceways (21, 23) of the two bearing rings (15, 17) and
- A held on the seat surface (43) of the flange part (25), with an annular sealing region (39) made of elastic material on the sealing surface (45) of the second bearing ring ...
Description
Die Erfindung bezieht sich auf ein Ausrücklager für eine Kraftfahrzeug-Reibungskupplung, wie z.B. ein Lager mit einem umlaufenden Innenring mit auf dessen Außenwandung angeordneter Laufbahn, einem umfangsmäßig feststehenden Außenring mit an der Innenwandung angeordneter Laufbahn, Wälzkörpern zwischen beiden Lagerringen, wobei der Außenring mit einem radial nach innen weisenden Flanschteil versehen ist, in dessen Bohrung ein ringförmiges Dichtelement gegenüber dem Endbereich des Innenringes dichtend anliegt.The invention relates to a release bearing for one Motor vehicle friction clutch, e.g. a warehouse with a rotating Inner ring with on its outer wall arranged raceway, a circumferentially fixed outer ring with a raceway arranged on the inner wall, rolling elements between the two bearing rings, being the outer ring is provided with a flange part pointing radially inwards, an annular in its bore Sealing element opposite sealingly abuts the end region of the inner ring.
Es sind bereis selbstzentrierende
Lager für Ausrücksysteme
bekannt (z.B.
Des weiteren sind selbstzentrierende
Ausrücklager
mit einer Berührungsdichtung
bekannt (z. B.
Es ist Aufgabe der Erfindung ein Ausrücklager für eine Kraftfahrzeug – Reibungskupplung zu schaffen, das trotz eventueller Fertigungstoleranzen besser als bisher beispielsweise gegen Austreten von Schmiermittel aus dem Lager oder Eindringen von Fremdkörpern in das Lager abgedichtet ist.It is an object of the invention release bearing for one Motor vehicle friction clutch to create that despite possible manufacturing tolerances better than So far, for example, against leakage of lubricant from the Storage or penetration of foreign bodies is sealed in the camp.
Die Erfindung geht aus von einem Aurücklager, welches folgende Merkmale umfaßt: zwei relativ zueinander um eine Drehachse drehbare Lagerringe, von denen ein innerer Lagerring auf einer äußeren Umfangsfläche und ein äußerer Lagerring auf einer inneren Umfangsfläche einander gegenüberliegend je eine Wälzlagerlaufbahn aufweist und von denen ein erster der beiden Lagerringe ein ringförmiges, radial zum zweiten der beiden Lagerringe vorstehendes und in einer Sitzfläche an seinem Umfang radial endendes Flanschteil aufweist und der zweite Lagerring auf der dem Flanschteil axial benachbarten Seite seiner Wälzkörperlaufbahn in einem Endbe reich endet, der eine ringförmige Dichtfläche bildet, eine Vielzahl Wälzkörper zwischen den Wälzkörperlaufbahnen der beiden Lagerringe und ein an der Sitzfläche des Flanschteils gehaltenes, mit einem ringförmigen Dichtbereich aus elastischem Material an der Dichtfläche des zweiten Lagerrings anliegendes, ringförmiges Dichtelement.The invention is based on one Aurücklager, which includes the following features: two bearing rings rotatable relative to one another about an axis of rotation, of which an inner bearing ring on an outer peripheral surface and an outer bearing ring on an inner peripheral surface facing each other a rolling bearing raceway and of which a first of the two bearing rings has an annular, protruding radially to the second of the two bearing rings and in one seat has at its periphery radially ending flange part and the second Bearing ring on the axially adjacent side of its flange rolling body ends in an end region that forms an annular sealing surface, a variety of rolling elements between the rolling element raceways of the two bearing rings and one held on the seating surface of the flange part, with an annular sealing area made of elastic material on the sealing surface of the second bearing ring adjacent, ring-shaped Sealing element.
Die erfindungsgemäße Verbesserung besteht darin, daß zur Verbesserung der Wirkung zwei Dichtlippen vorgesehen sind, die an je einem von zwei in unterschiedlichem Winkel zur Drehachse verlaufenden Flächenbereichen der Dichtfläche biegeelastisch anliegen. Beispielsweise können die beiden Flächenbereiche der Dichtfläche eine konvexe Randkante bilden, die zwischen die beiden Dichtlippen hineinreicht.The improvement according to the invention consists in that for To improve the effect, two sealing lips are provided one each of two at different angles to the axis of rotation surface areas the sealing surface bend elastically. For example, the two surface areas the sealing surface form a convex edge, between the two sealing lips extends.
Da die Lippenwände der Dichtlippen anders als bei der Dichtung des herkömmlichen Lagers nicht auf Stauchung, sondern biegeelastisch beansprucht werden, können sich die mit ihren Lippenrändern an der Dichtfläche aufliegenden Lippenwände längs der Dichtfläche verschieben und aufgrund der Schrägneigung sowohl axiale als auch radiale Bautoleranzen ohne Beeinträchtigung der Dichtwirkung ausgleichen. Bei geschmierten Lagern wird damit sicher der Austritt von Fett bzw. Schmiermittel verhindert und auch Schmutz und dergleichen kann nicht in das Lager eindringen. Selbst wenn im Betrieb das elastische Material quellen sollte, werden durch diese Konstruktion derartige Abmessungsänderungen aufgefangen. Da sich die Vorspannkraft der Lippendichtung im Betrieb nur wenig ändert, ändert sich auch das Reibmoment der Dichtung kaum, wodurch reibungsbedingte Temperaturerhöhungen des Lagers weitgehend vermieden werden. Soweit vorstehend elastische Materialien erwähnt sind, handelt es sich um gummi- oder elastomerelastische Materialien. Unter solchen Materialien im vorstehenden Sinn sollen sämtliche Materialien verstanden werden, die eine gummiähnliche Elastizität haben, ohne jedoch aus Gummi oder dergleichen bestehen zu müssen.Because the lip walls of the sealing lips are different than in the seal of the conventional Bearing is not subjected to compression, but is subjected to bending elasticity, can with the edges of her lips on the sealing surface overlying lip walls move along the sealing surface and due to the incline both axial and radial construction tolerances without impairment compensate for the sealing effect. With lubricated bearings surely prevents the leakage of grease or lubricant and also Dirt and the like cannot enter the bearing. Self if the elastic material should swell during operation, through this construction accommodated such dimensional changes. That I the preload force of the lip seal changes only slightly during operation changes also the frictional torque of the seal hardly, which means friction-related temperature increases of the camp are largely avoided. As far as elastic above Materials mentioned are rubber or elastomer-elastic materials. Under such materials in the above sense should all Materials are understood that have a rubber-like elasticity, without, however, having to be made of rubber or the like.
Im folgenden werden Ausführungsbeispiele der Erfindung anhand von Zeichnungen näher erläutert. Hierbei zeigt:In the following, embodiments of the Invention explained with reference to drawings. Here shows:
Das in
Zum Auskuppeln der Reibungskupplung übt das Ausrücksystem
der Reibungskupplung beispielsweise über eine Ausrückgabel
oder einen hydraulischen Nehmerzylinder auf den Lagerträger
Das Wälzlager
Wie
Im folgenden werden Varianten des
Ausrücklagers
Die Lippenwand
Die Dichtfläche
Das Ausrücklager
Die Ausführungsform der
Die vorstehend erläuterten
Ausführungsformen
haben sämtlich
eine einzige Dichtlippe, die an einer ihr zugeordneten Dichtfläche des
Innenrings anliegt.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4338261A DE4338261B4 (en) | 1992-11-14 | 1993-11-10 | Release bearing for a motor vehicle friction clutch |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4238551 | 1992-11-14 | ||
DEP4238551.2 | 1992-11-14 | ||
DE4338261A DE4338261B4 (en) | 1992-11-14 | 1993-11-10 | Release bearing for a motor vehicle friction clutch |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4338261A1 DE4338261A1 (en) | 1994-05-19 |
DE4338261B4 true DE4338261B4 (en) | 2004-04-29 |
Family
ID=6472936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4338261A Expired - Fee Related DE4338261B4 (en) | 1992-11-14 | 1993-11-10 | Release bearing for a motor vehicle friction clutch |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE4338261B4 (en) |
FR (1) | FR2698137B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008010128A1 (en) | 2008-02-20 | 2009-08-27 | Schaeffler Kg | Kupplungsausrückeinrichtung |
DE102008039489A1 (en) | 2008-08-23 | 2010-02-25 | Schaeffler Kg | Clutch release bearing device, and method for producing the same |
DE102009015066A1 (en) | 2009-03-26 | 2010-09-30 | Schaeffler Technologies Gmbh & Co. Kg | release bearing |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4440132A1 (en) * | 1994-11-10 | 1996-05-15 | Schaeffler Waelzlager Kg | Clutch release bearing for friction clutch |
IT1285024B1 (en) * | 1996-03-22 | 1998-06-03 | Skf Ind Spa | PROVISIONAL SEALING AND TREATMENT DEVICE FOR BALL BEARINGS |
DE19709056B4 (en) * | 1997-03-06 | 2006-01-26 | Ina-Schaeffler Kg | Seal for a clutch release bearing |
ITTO980210A1 (en) | 1998-03-12 | 1999-09-12 | Skf Ind Spa | SEALING DEVICE FOR A ROLLING BEARING |
IT1308389B1 (en) | 1999-02-24 | 2001-12-17 | Skf Ind Spa | BEARING FOR THE WHEEL HUB OF A MOTOR VEHICLE AND PROCEDURE FOR ASSEMBLING THE BEARING ON THE SUSPENSION OF A MOTOR VEHICLE. |
IT1308406B1 (en) | 1999-03-04 | 2001-12-17 | Skf Ind Spa | CONICAL ROLLER BEARING. |
EP1035342B2 (en) * | 1999-03-09 | 2014-07-09 | Nsk Ltd | Clutch release bearing |
BR0115749B1 (en) | 2000-11-30 | 2012-01-10 | Schaeffler Kg | release bearing. |
DE10118095B4 (en) * | 2001-04-11 | 2009-10-01 | Schaeffler Kg | Sealing for a release bearing |
EP1734271A1 (en) * | 2005-06-13 | 2006-12-20 | Zf Friedrichshafen Ag | Roller bearing with a protected sealing assembly |
DE102007040459A1 (en) | 2007-08-28 | 2009-03-05 | Schaeffler Kg | Verliersicherungseinrichtung |
DE102008006656A1 (en) * | 2008-01-30 | 2009-08-06 | Schaeffler Kg | clutch release |
FR2936033B1 (en) * | 2008-09-16 | 2011-06-10 | Skf Ab | BEARING BEARING, ITS USE AND MOTOR VEHICLE EQUIPPED WITH SUCH A BEARING. |
FR2973460B1 (en) * | 2011-03-28 | 2013-05-03 | Ntn Snr Roulements | MOUNTING A CLUTCH ROD ON A SHAFT OF A GEARBOX OF A MOTOR VEHICLE |
EP2522871A1 (en) * | 2011-05-10 | 2012-11-14 | Aktiebolaget SKF | A ball bearing, a clutch thrust bearing device including such a bearing and a motor vehicle fitted with such a bearing or such a device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2345147A1 (en) * | 1972-09-15 | 1974-03-21 | Federal Mogul Corp | THRUST BEARING TO RELEASE A CLUTCH |
DE3010514C2 (en) * | 1979-03-24 | 1984-01-05 | Nachi-Fujikoshi Corp., Tokyo | Release bearing for a clutch |
US4606449A (en) * | 1985-06-07 | 1986-08-19 | General Motors Corporation | Hydraulic clutch release mechanism |
DE3810369A1 (en) * | 1988-03-26 | 1989-10-05 | Fichtel & Sachs Ag | RELEASE BEARING WITH HOLDING LUGS |
EP0247394B1 (en) * | 1986-05-06 | 1990-08-08 | Koyo Seiko Co., Ltd. | Sealed thrust ball bearing |
DE9013580U1 (en) * | 1989-10-02 | 1990-11-08 | Skf France, Clamart | Self-centering bearing for disengageable clutches |
DE3939117A1 (en) * | 1989-11-25 | 1991-05-29 | Fichtel & Sachs Ag | Self centring release bearing - has inner and outer ring with ball bearings between, sliding sleeve, flange and flange part |
DE4128149A1 (en) * | 1990-08-28 | 1992-03-05 | Skf Ind Spa | SEAL ASSEMBLY |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2661470B1 (en) * | 1990-04-27 | 1994-11-25 | Ina Roulements Sa | THRUST BEARING, IN PARTICULAR FOR USE OF THE RELEASE STOP. |
FR2669980B1 (en) * | 1990-11-30 | 1993-01-22 | Valeo | RELEASE CLUTCH WITH EXTERNAL ELASTIC WASHER, ESPECIALLY FOR MOTOR VEHICLES. |
FR2675877A1 (en) * | 1991-04-25 | 1992-10-30 | Skf France | Rotating seal particularly for a rolling-contact bearing |
-
1993
- 1993-11-10 FR FR9313681A patent/FR2698137B1/en not_active Expired - Fee Related
- 1993-11-10 DE DE4338261A patent/DE4338261B4/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2345147A1 (en) * | 1972-09-15 | 1974-03-21 | Federal Mogul Corp | THRUST BEARING TO RELEASE A CLUTCH |
DE3010514C2 (en) * | 1979-03-24 | 1984-01-05 | Nachi-Fujikoshi Corp., Tokyo | Release bearing for a clutch |
US4606449A (en) * | 1985-06-07 | 1986-08-19 | General Motors Corporation | Hydraulic clutch release mechanism |
EP0247394B1 (en) * | 1986-05-06 | 1990-08-08 | Koyo Seiko Co., Ltd. | Sealed thrust ball bearing |
DE3810369A1 (en) * | 1988-03-26 | 1989-10-05 | Fichtel & Sachs Ag | RELEASE BEARING WITH HOLDING LUGS |
DE9013580U1 (en) * | 1989-10-02 | 1990-11-08 | Skf France, Clamart | Self-centering bearing for disengageable clutches |
DE3939117A1 (en) * | 1989-11-25 | 1991-05-29 | Fichtel & Sachs Ag | Self centring release bearing - has inner and outer ring with ball bearings between, sliding sleeve, flange and flange part |
DE4128149A1 (en) * | 1990-08-28 | 1992-03-05 | Skf Ind Spa | SEAL ASSEMBLY |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008010128A1 (en) | 2008-02-20 | 2009-08-27 | Schaeffler Kg | Kupplungsausrückeinrichtung |
DE102008039489A1 (en) | 2008-08-23 | 2010-02-25 | Schaeffler Kg | Clutch release bearing device, and method for producing the same |
US8348512B2 (en) | 2008-08-23 | 2013-01-08 | Schaeffler Technologies AG & Co. KG | Clutch release bearing and method for the production thereof |
DE102009015066A1 (en) | 2009-03-26 | 2010-09-30 | Schaeffler Technologies Gmbh & Co. Kg | release bearing |
WO2010108776A1 (en) | 2009-03-26 | 2010-09-30 | Schaeffler Technologies Gmbh & Co. Kg | Disengagement bearing |
Also Published As
Publication number | Publication date |
---|---|
FR2698137A1 (en) | 1994-05-20 |
FR2698137B1 (en) | 1997-09-05 |
DE4338261A1 (en) | 1994-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: MANNESMANN SACHS AG, 97422 SCHWEINFURT, DE |
|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: ZF SACHS AG, 97424 SCHWEINFURT, DE |
|
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20110601 Effective date: 20110531 |