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DE19600125A1 - Seal for rotating part - Google Patents

Seal for rotating part

Info

Publication number
DE19600125A1
DE19600125A1 DE19600125A DE19600125A DE19600125A1 DE 19600125 A1 DE19600125 A1 DE 19600125A1 DE 19600125 A DE19600125 A DE 19600125A DE 19600125 A DE19600125 A DE 19600125A DE 19600125 A1 DE19600125 A1 DE 19600125A1
Authority
DE
Germany
Prior art keywords
sealing lip
tension spring
seal according
seal
spring
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.)
Withdrawn
Application number
DE19600125A
Other languages
German (de)
Inventor
Peter Dreschmann
Walter Wilhelm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHO Holding GmbH and Co KG
Original Assignee
FAG OEM und Handel AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FAG OEM und Handel AG filed Critical FAG OEM und Handel AG
Priority to DE19600125A priority Critical patent/DE19600125A1/en
Publication of DE19600125A1 publication Critical patent/DE19600125A1/en
Withdrawn legal-status Critical Current

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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • 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
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/80—Labyrinth sealings
    • F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
    • F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
    • F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
    • F16J15/3264—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
    • 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
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing With Elastic Sealing Lips (AREA)

Abstract

The seal has weights around its lip (6) to increase the centrifugal effect. The lip (6) is fitted to the rotating part and is prestressed by a spring. The weights are fitted in the spring. The spring may be a tension spring (7), with balls (14), possibly of steel or lead, in its boring. The spring may have a stop ring (13) limiting the lifting-off path created by the centrifugal force. The angled rings (4,9) form a labyrinth seal.

Description

Die Erfindung betrifft eine Dichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to a seal according to the preamble of Claim 1.

Aus der US-PS 3,627,390 ist eine Dichtung bekannt, bei der in einer Blechhülse eine elastomere Dichtung angeordnet ist, deren Dichtlippe im Betrieb in Folge der auftretenden Fliehkraft entlastet wird. Zur Erhöhung der Fliehkraftwirkung sind im Bereich der Dichtlippe Kugeln eingegossen. Diese Art die Kugeln einzubringen ist aufwendig, teuer und fertigungstechnisch schwer realisierbar.From US-PS 3,627,390 a seal is known in which in a Sheet metal sleeve an elastomeric seal is arranged, the sealing lip in Operation is relieved as a result of the centrifugal force occurring. To increase the centrifugal force balls are cast in the area of the sealing lip. This way of inserting the balls is complex, expensive and difficult to manufacture technically.

Aus der EP PS 0 012 133 ist es weiterhin bekannt, eine Dichtlippe mit einer Zugfeder vorzuspannen, wobei die Anpreßkraft der Feder ab einer bestimmten Drehzahl von der Fliehkraft aufgehoben wird. Diese reibungsvermindernde Wirkung tritt jedoch dabei erst bei relativ hohen Drehzahlen auf, was bei manchen Anwendungsfällen ungünstig ist.From EP PS 0 012 133 it is also known to have a sealing lip with a Bias tension spring, the contact pressure of the spring from one certain speed is canceled by the centrifugal force. This however, the friction-reducing effect only occurs at relatively high levels Speeds up, which is unfavorable in some applications.

Es ist deshalb Aufgabe der Erfindung, eine Dichtung der eingangs genannten Art so weiterzubilden, daß schon bei niedrigen Drehzahlen eine Entlastung der Dichtlippe stattfindet und die zu diesem Zweck im Bereich der Dichtlippe angeordneten Masseteilchen einfach und kostengünstig angeordnet werden können.It is therefore an object of the invention to seal the beginning mentioned type so that even at low speeds Relief of the sealing lip takes place and for this purpose in the area the sealing lip arranged mass particles easily and inexpensively can be arranged.

Die Lösung dieser Aufgabe gelingt dadurch, daß die Dichtlippe von einem Federelement vorgespannt ist und die Masseteilchen in dem Federelement angeordnet sind. Bevorzugt sind in der Bohrung der Zugfeder Stahl- oder Bleikugeln angeordnet. Da sowohl die Zugfeder als auch die Kugeln handelsübliche Teile sind, läßt sich eine kostengünstige Lösung realisieren.This object is achieved in that the sealing lip of one Spring element is biased and the mass particles in the Spring element are arranged. Are preferred in the bore Tension spring steel or lead balls arranged. Because both the mainspring and the balls are commercially available parts, can be inexpensive Realize solution.

Auf diese Weise können z. B. Radsatzlager für Schienenfahrzeuge oder Fahrmotoren oder Lager für die Automobiltechnik oder für den allgemeinen Maschinenbau so abgedichtet werden, daß bei Stillstand oder niedrigen Drehzahlen eine berührende Dichtlippe vorliegt, bei steigender Drehzahl aber die Anpreßkraft reduziert bzw. ganz aufgehoben wird. Vordichtungen aus Spaltelementen übernehmen durch Abschirmung, Abschleudern, Umlenken von Schmutzflüssigkeiten die Dichtwirkung. Die mit steigender Drehzahl auftretende unerwünschte Verlustleistung einer berührenden Dichtlippe wird vermieden. Wegen der dadurch niedrigeren Temperatur erhöht sich die Gebrauchsdauer sowohl des Schmierfettes als auch der Elastomerdichtlippe, die jetzt weniger Gleitverschleiß hat.In this way, e.g. B. wheelset bearings for rail vehicles or Traction motors or bearings for automotive engineering or for the general mechanical engineering should be sealed so that at standstill  or low speeds there is a touching sealing lip increasing speed but the contact pressure reduced or completely eliminated becomes. Pre-seals from split elements take over Shielding, centrifuging, deflecting dirty liquids Sealing effect. The undesirable occurring with increasing speed Power loss of a touching sealing lip is avoided. Because of the this lower temperature increases the service life both the grease and the elastomer sealing lip, which are now less Has sliding wear.

Die Erfindung soll an einem Ausführungsbeispiel erläutert werden.The invention will be explained using an exemplary embodiment.

Fig. 1 zeigt die Ausführung einer erfindungsgemäßen Dichtung bei drehender Welle und somit drehendem Lagerinnenring. Fig. 1 shows the execution of a seal according to the invention with a rotating shaft and thus rotating bearing inner ring.

Fig. 2 zeigt eine andere Ausführung einer erfindungsgemäßen Dichtung bei drehender Welle und somit drehendem Lagerinnenring. Fig. 2 shows another embodiment of a seal according to the invention with a rotating shaft and thus rotating bearing inner ring.

Fig. 3 zeigt die Ausführung einer erfindungsgemäßen Dichtung bei drehendem Gehäuse und somit drehendem Lageraußenring. Fig. 3 shows the execution of a seal according to the invention with a rotating housing and thus rotating bearing outer ring.

Fig. 4 zeigt eine andere Ausführung einer erfindungsgemäßen Dichtung bei drehendem Gehäuse und somit drehendem Lageraußenring. Fig. 4 shows another embodiment of a seal according to the invention with a rotating housing and thus rotating bearing outer ring.

In Fig. 1 ist der drehende Wälzlagerinnenring mit 1 und der stehende Wälzlageraußenring mit 2 bezeichnet. Zwischen beiden Ringen sind die Wälzkörper 3 angeordnet. Um ein Austreten von Fett aus dem Wälzlager und/oder ein Eindringen von Schmutz oder Wasser in das Wälzlager zu verhindern, ist auf dem Wälzlagerinnenring ein Dichtring 4 angeordnet, an dem die Dichtmembrane 5 befestigt (anvulkanisiert) ist, welche die Dichtlippe 6 aufweist. Die Dichtlippe 6 wird von einer Zugfeder 7 radial vorgespannt und gegen eine Anlauffläche 8 gedrückt, die von einem am Wälzlageraußenring 2 angeordneten Winkelring 9 gebildet wird. Der Dichtring 4 besitzt radial außen einen den Wälzlageraußenring 2 umgreifenden Kragen 10, der zusammen mit diesem einen Dichtspalt 11 bildet. Zum Ableiten von Spritzwasser ist der Wälzlageraußenring 2 mit einer Nut 12 versehen.In Fig. 1, the rotating inner ring bearing is designated 1 and the stationary outer ring bearing 2 . The rolling elements 3 are arranged between the two rings. In order to prevent grease from escaping from the roller bearing and / or dirt or water from penetrating into the roller bearing, a sealing ring 4 is arranged on the roller bearing inner ring, to which the sealing membrane 5 , which has the sealing lip 6 , is attached (vulcanized). The sealing lip 6 is preloaded radially by a tension spring 7 and pressed against a contact surface 8 , which is formed by an angular ring 9 arranged on the roller bearing outer ring 2 . The sealing ring 4 has a radially outside a collar 10 encompassing the rolling bearing outer ring 2 , which together with this forms a sealing gap 11 . The roller bearing outer ring 2 is provided with a groove 12 to discharge splash water.

Wie aus Fig. 2 ersichtlich ist, kann die Zugfeder 7 von einem Anschlagring 13 umgeben sein, der den fliehkraftbedingten Abhebeweg der Dichtlippe 6 radial begrenzt. Die Zugfeder 7 wird von der Membrane 5 teilweise umfaßt, so daß die fliehkraftbedingte Abhebebewegung direkt auf die Dichtlippe wirkt.As can be seen from FIG. 2, the tension spring 7 can be surrounded by a stop ring 13 which radially limits the lifting movement of the sealing lip 6 due to centrifugal force. The tension spring 7 is partially covered by the membrane 5 , so that the centrifugal force-lifting movement acts directly on the sealing lip.

Fig. 3 zeigt die Ausführung einer erfindungsgemäßen Dichtung bei drehendem Gehäuse und somit drehendem Lageraußenring 2. Hier ist der Dichtring 4 in der Bohrung des drehenden Lageraußenrings 2 angeordnet. Die Dichtmembrane 5 liegt mit ihrer Dichtlippe 6 an der Anlauffläche 8 des Winkelrings 9 an. Der Winkelring 9 ist abgewinkelt und bildet zusammen mit dem Lageraußenring 2 ebenfalls einen Dichtspalt 11. Fig. 3 shows the embodiment of a seal according to the invention with a rotating housing and thus rotating outer bearing ring 2. Here the sealing ring 4 is arranged in the bore of the rotating bearing outer ring 2 . The sealing membrane 5 rests with its sealing lip 6 on the contact surface 8 of the angle ring 9 . The angle ring 9 is angled and, together with the bearing outer ring 2, likewise forms a sealing gap 11 .

In Fig. 4 ist auch wieder ein Anschlagring 13 vorgesehen, der den fliehkraftbedingten Abhebeweg der Dichtlippe 6 radial begrenzt.In Fig. 4 a stop ring 13 is again provided, which limits the centrifugal force lifting movement of the sealing lip 6 radially.

Wie in Fig. 5 gezeigt ist, ist die Zugfeder 7 in ihrer Bohrung mit Masseteilchen in Form von Kugeln 14 gefüllt, so daß schon bei niedrigen Drehzahlen eine Entlastung der Dichtlippe durch die Fliehkraft stattfindet. Die Zugfeder ist an ihrem einen Ende mit einem Gewindeschloß 15 versehen, das in ihr anderes Ende eingeschraubt ist und so einen Federring bildet. Durch Längenänderung oder unterschiedliche Drahtstärken läßt sich die Radialkraft auf die jeweiligen Betriebsbedingungen einstellen. Die Masseteilchen sind mit Spiel in der Zugfeder 7 angeordnet, um die Federfunktion nicht zu beeinträchtigen.As shown in Fig. 5, the tension spring 7 is filled in its bore with mass particles in the form of balls 14 , so that the sealing lip is relieved by the centrifugal force even at low speeds. The tension spring is provided at one end with a threaded lock 15 which is screwed into its other end and thus forms a spring ring. The radial force can be adjusted to the respective operating conditions by changing the length or different wire thicknesses. The mass particles are arranged with play in the tension spring 7 so as not to impair the spring function.

Im Ruhezustand und bei geringen Drehzahlen berührt die Dichtlippe 6 unter der Einwirkung der Zugfeder 7 unter Vorspannung die Anlauffläche 8 und dichtet das Wälzlager zuverlässig ab. Im Betrieb wird mit zunehmender Drehzahl die Wirkung der Fliehkraft steigen, wodurch die Vorspannung der Dichtlippe verringert und schließlich aufgehoben wird. Der Anschlagring 13 begrenzt die Auslenkung der Dichtlippe 6 und bildet gleichzeitig eine weitere Spaltdichtung oder Schleuderscheibe. Dadurch, daß die Radialkraft der Zugfeder 7 einstellbar ist, läßt sich die Andrückkraft der Dichtlippe an den jeweiligen Anwendungsfall und an verschiedene Betriebsbedingungen anpassen. Eine besonders schnelle Reduzierung der Radialkraft schon bei niedriger Umfangsgeschwindigkeit erfolgt dann, wenn die Dichtlippe nur von der Zugfeder an die Lauffläche gedrückt wird, also der Radialkraftanteil der Gummilippe bei Stillstand annähernd Null ist.In the idle state and at low speeds, the sealing lip 6 touches the contact surface 8 under the action of the tension spring 7 under pretension and reliably seals the rolling bearing. In operation, the effect of the centrifugal force will increase with increasing speed, whereby the pretension of the sealing lip is reduced and finally released. The stop ring 13 limits the deflection of the sealing lip 6 and at the same time forms a further gap seal or centrifugal disc. Because the radial force of the tension spring 7 is adjustable, the pressing force of the sealing lip can be adapted to the respective application and to different operating conditions. A particularly rapid reduction in the radial force occurs even at a low peripheral speed if the sealing lip is only pressed against the running surface by the tension spring, that is to say the radial force component of the rubber lip is approximately zero when the wheel is stationary.

Claims (10)

1. Dichtung mit fliehkraftentlasteter Dichtlippe, wobei zur Erhöhung der Fliehkraftwirkung im Bereich der Dichtlippe Masseteilchen angeordnet sind, dadurch gekennzeichnet, daß die Dichtlippe (6) am drehenden Teil angeordnet und von einem Federelement vorgespannt ist und die Masseteilchen in dem Federelement angeordnet sind.1. Seal with centrifugal force-relieved sealing lip, wherein to increase the centrifugal force mass particles are arranged in the region of the sealing lip, characterized in that the sealing lip ( 6 ) is arranged on the rotating part and is biased by a spring element and the mass particles are arranged in the spring element. 2. Dichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Federelement eine Zugfeder (7) ist, in deren Innenraum (Bohrung) Kugeln (14) angeordnet sind.2. Seal according to claim 1, characterized in that the spring element is a tension spring ( 7 ), in the interior (bore) balls ( 14 ) are arranged. 3. Dichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Zugfederbohrung mit Stahlkugeln (14) gefüllt ist.3. Seal according to claim 1, characterized in that the tension spring bore is filled with steel balls ( 14 ). 4. Dichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Zugfederbohrung mit Bleikugeln (14) gefüllt ist.4. Seal according to claim 1, characterized in that the tension spring bore is filled with lead balls ( 14 ). 5. Dichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Zugfeder (7) von einem Anschlagring (13) umgeben ist, der den fliehkraftbedingten Abhebeweg begrenzt.5. Seal according to claim 1, characterized in that the tension spring ( 7 ) is surrounded by a stop ring ( 13 ) which limits the lifting movement caused by centrifugal force. 6. Dichtung nach Anspruch 1, dadurch gekennzeichnet, daß der die Dichtlippe (6) tragende Winkelring (4) bzw. der der Dichtlippe gegenüber angeordnete Winkelring (9) mit dem jeweiligen Wälzlagerring an dem er befestigt ist bzw. dem er gegenübersteht, eine Spalt- oder Labyrinthdichtung (11) bildet und/oder als Schleuderscheibe ausgebildet ist.6. Seal according to claim 1, characterized in that the sealing lip ( 6 ) bearing angle ring ( 4 ) or the sealing lip arranged opposite the angle ring ( 9 ) with the respective rolling bearing ring to which it is attached or which it faces, a gap - Or forms a labyrinth seal ( 11 ) and / or is designed as a centrifugal disc. 7. Dichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Radialkraft der Zugfeder (7) einstellbar ist.7. Seal according to claim 1, characterized in that the radial force of the tension spring ( 7 ) is adjustable. 8. Dichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Dichtlippe (6) nur von der Zugfeder (7) an die Anlauffläche (8) gedrückt wird. 8. Seal according to claim 7, characterized in that the sealing lip ( 6 ) is pressed only by the tension spring ( 7 ) on the contact surface ( 8 ). 9. Dichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Masseteilchen mit Spiel in der Zugfeder (7) angeordnet sind.9. Seal according to claim 1, characterized in that the mass particles are arranged with play in the tension spring ( 7 ). 10. Dichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Zugfeder (7) von der Membrane (5) teilweise umfaßt wird, so daß die fliehkraftbedingte Abhebebewegung direkt auf die Dichtlippe (6) wirkt.10. Seal according to claim 1, characterized in that the tension spring ( 7 ) of the membrane ( 5 ) is partially covered, so that the centrifugal force-lifting movement acts directly on the sealing lip ( 6 ).
DE19600125A 1996-01-04 1996-01-04 Seal for rotating part Withdrawn DE19600125A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19600125A DE19600125A1 (en) 1996-01-04 1996-01-04 Seal for rotating part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19600125A DE19600125A1 (en) 1996-01-04 1996-01-04 Seal for rotating part

Publications (1)

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DE19600125A1 true DE19600125A1 (en) 1997-07-10

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10112397A1 (en) * 2001-03-13 2002-10-24 Freudenberg Carl Kg Sealing ring has lip which is biased towards machine shaft by spring attached to connector allowing its position and force applied to lip to be adjusted
DE102004037754A1 (en) * 2004-08-04 2006-03-16 Aktiebolaget Skf Sealing arrangement for a bottom bracket bearing of a bicycle comprises a sealing ring which is attached to the outer bearing element, and is provided with a lip sealing the inner bearing element
WO2008155530A1 (en) * 2007-06-18 2008-12-24 Aes Engineering Ltd Bearing seal
WO2009040519A1 (en) * 2007-09-24 2009-04-02 Aes Engineering Ltd Isolator sealing device
DE102008057056A1 (en) 2008-11-13 2010-05-20 Schaeffler Kg Sealing arrangement with radial sealing lip
DE102008063959A1 (en) 2008-12-19 2010-07-01 Schaeffler Technologies Gmbh & Co. Kg Rolling cage with spacer
DE102009019396A1 (en) 2009-04-29 2010-11-04 Schaeffler Technologies Gmbh & Co. Kg Seal arrangement for roller bearing utilized for supporting cardan shaft of rear-wheel driven vehicle, has bracket that forms gap together with outer fixed element, where gap runs in axial direction and radial direction
US8668390B2 (en) 2010-11-19 2014-03-11 Ferdinand Schweitzer Radial shaft seal with retaining device for a tension spring
EP2661947A3 (en) * 2012-05-10 2014-03-26 Schaeffler Technologies GmbH & Co. KG Bearing assembly for an agricultural device
CN105370890A (en) * 2014-08-26 2016-03-02 Skf公司 Low-friction dynamic seal
DE102015002965B3 (en) * 2015-03-07 2016-03-31 Audi Ag Wheel bearing arrangement for a motor vehicle
JP2017013706A (en) * 2015-07-03 2017-01-19 Ntn株式会社 Wheel bearing device
DE102015012535A1 (en) 2015-09-24 2017-03-30 Audi Ag Sealing arrangement for a wheel bearing of a motor vehicle
DE102013219118B4 (en) * 2013-09-24 2017-05-11 Schaeffler Technologies AG & Co. KG Flanged housing unit
WO2017102081A1 (en) * 2015-12-17 2017-06-22 Kaco Gmbh + Co. Kg Radial shaft seal, and method for sealing a rotating machine part by means of a radial shaft seal
DE202016007598U1 (en) * 2016-12-14 2018-03-15 Gkn Driveline International Gmbh Sealing arrangement for a shaft
DE102016118057A1 (en) * 2016-09-23 2018-03-29 Thyssenkrupp Ag Rolling bearing, wind turbine and method for operating a rolling bearing
DE102016015553A1 (en) * 2016-12-21 2018-06-21 Kaco Gmbh + Co. Kg Radial shaft seal
DE102017110323A1 (en) * 2017-05-12 2018-11-15 Schaeffler Technologies AG & Co. KG sealing arrangement
DE102018200303A1 (en) * 2018-01-10 2019-07-11 Minebea Mitsumi Inc. Rolling bearings, in particular for a medical or cosmetic instrument
DE102018131018A1 (en) 2018-12-05 2020-06-10 Schaeffler Technologies AG & Co. KG Tapered roller bearings
JP2021017893A (en) * 2019-07-17 2021-02-15 Nok株式会社 Sealing device
DE112015002746B4 (en) 2014-06-11 2024-11-07 Schaeffler Technologies AG & Co. KG rolling bearings
DE102023003412A1 (en) * 2023-08-18 2025-02-20 Mercedes-Benz Group AG shaft sealing arrangement

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10112397A1 (en) * 2001-03-13 2002-10-24 Freudenberg Carl Kg Sealing ring has lip which is biased towards machine shaft by spring attached to connector allowing its position and force applied to lip to be adjusted
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