Patents Assigned to SKF
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Publication number: 20130291671Abstract: The wear compensation device for a gear set comprises a support for attaching the device to an external element, a bearing intended to be mounted on a shaft comprising one of the wheels of the gear set, an eccentric mounted on the bearing and able to move angularly with respect to the support, an actuator mounted axially between the support and the eccentric and able to apply a circumferential force to the said eccentric, and at least one maintaining means for temporarily maintaining the angular indexing of the eccentric relative to the support in an angular position in which the actuator is preloaded between the said eccentric and the said support.Type: ApplicationFiled: April 23, 2013Publication date: November 7, 2013Applicant: AKTIEBOLAGET SKFInventors: Jerome Boussaguet, Sylvain Bussit, Daniel Jansen, Thomas Lepine, Bruno Montboeuf
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Publication number: 20130292995Abstract: A hub-bearing assembly (10) for a motor vehicle wheel is provided with a flanged hub (12), a disc brake rotor (40) and a disc-shaped sealing shield (50) having a radially inner mounting portion (51, 51?) mounted with radial interference on a cylindrical surface (30) of the stationary bearing ring (14), a shaped wall (52, 52?) extending radially from an axially inner end (53) of the mounting portion (51), and an outer, peripheral sealing edge (54) defining a labyrinth seal with a surface (46) of the disc brake rotor.Type: ApplicationFiled: April 5, 2013Publication date: November 7, 2013Applicant: AKTIEBOLAGET SKFInventors: Domenico Bosco, Ajay Thanwal
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Publication number: 20130287547Abstract: This bearing comprises a fixed outer ring and a rotatable inner ring, and at least one lubrication ring having at least one lubrication duct extending between an outer surface and an inner surface of the lubrication ring. The at least one lubrication duct is placed so that the scalar product of a vector collinear to the longitudinal axis of the lubrication duct, and a vector (VL1) collinear to the tangent line (L1) to an outer cylindrical surface of the inner ring, at the point where the longitudinal axis of the lubrication duct (270) intersects the outer cylindrical surface of the inner ring, and oriented in the same direction as the rotation direction (F) of the inner ring, is strictly superior to zero, said vectors being projected in a plane (P2) perpendicular to the rotation axis of the bearing.Type: ApplicationFiled: April 22, 2013Publication date: October 31, 2013Applicant: AKTIEBOLAGET SKFInventors: Nicolas Berruet, Richard Corbett, Samuel Viault, Jun Wang, Jeroen Wensing
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Publication number: 20130285333Abstract: A sealing device including an annular shield and an elastomeric sealing element having: a first lip extending radially and protruding towards the interior and axially from a first side face of the shield; a second annular lip which extends radially and protrudes towards the interior and axially from a second side face of the shield, opposite to the first one; and a third lip arranged between the first and the second lips and axially extending from the first lip side, axially spaced apart therefrom; the second and third lips extending from a common annular root portion defining an elastic hinge thus forming a V therebetween for rotating together as a rocker arm; the undeformed lips are radially internally delimited by respective edges having a substantially circular shape and the edges of the first and second lips having a smaller diameter than the diameter of the edge of the third lip.Type: ApplicationFiled: April 5, 2013Publication date: October 31, 2013Applicant: AKTIEBOLAGET SKFInventor: Claudio FOTI
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Publication number: 20130283942Abstract: A connecting rod for an aeronautical actuator system, having one shaft transmitting forces applied in tension and/or compression along a longitudinal axis of the rod. When the connecting rod is in service, an elastically deformable element connected to the shaft is configured to react to the forces applied to the shaft, and displays elastic deformation when effected by these forces. The deformable element has a peripheral part rigidly connected to a member of the rod in which the shaft is slidably mounted. Measurement means associated with the deformable element determine the forces. The measurement means is partially housed in the deformable element. The deformable element includes a central part elongated along the longitudinal axis, which is rigidly connected to the shaft and in which the measurement means are at least partially housed. An intermediate part runs transversally to the central part and connects the central part and the peripheral part.Type: ApplicationFiled: August 30, 2011Publication date: October 31, 2013Applicant: SKF AEROSPACE FRANCEInventors: Franck Bouillot, Cedric Milord
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Publication number: 20130286494Abstract: A bearing device for a solar power plant unit includes at least one support element, at least one first roller and at least one second roller. At least one first roller bearing unit is movably supported on the support element and rotatably supports the at least one first roller and the one second roller. At least one first spherical plain bearing having an outer ring is attached to the at least one first roller. A solar power plant includes at least one mirror movably supported by at least one such bearing device.Type: ApplicationFiled: April 3, 2013Publication date: October 31, 2013Applicant: AKTIEBOLAGET SKFInventors: Markus Behn, Heinz Breunig, Tristan Kaiser, Henning Kern, Hans-Juergen Liesegang, Mathias Noeth, Christina Pfeuffer, Mathias Seuberling
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Publication number: 20130283940Abstract: The wear compensation device for a gear set comprises a support for attaching the device to an external element, a bearing intended to be mounted on a shaft comprising one of the wheels of the gear set, and an eccentric mounted on the bearing and able to move angularly with respect to the support. The support and the eccentric each delimit an axial opening having a radial dimension greater than the diameter of the bore of the bearing, the opening of the support being situated axially on the side of the opening of the eccentric with regard to the bearing.Type: ApplicationFiled: April 23, 2013Publication date: October 31, 2013Applicant: AKTIEBOLAGET SKFInventors: Jerome Boussaguet, Sylvain Bussit, Daniel Jansen, Thomas Lepine, Bruno Montboeuf
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Publication number: 20130287479Abstract: A multi-branch fitting includes at least three branches, molded from a composite material and, more precisely, from a fiber-reinforced thermoplastic or thermoset matrix. The fitting is intended for assembling components which are at an angle to one another. There are at least three flat or substantially flat branches or flanges extending radially from a joining zone, and at least one face or part of a face constituting a bearing face for one or more of the components that are to be attached. The joining zone has a cross section, in the transverse direction, in the shape of a polygon with concave sides. The connection of each of the branches or flanges with another adjacent branch or flange is achieved through a portion in the shape of a curved blade which gives the joining zone one of its concave shapes.Type: ApplicationFiled: January 18, 2012Publication date: October 31, 2013Applicant: SKF Aerospace FranceInventor: Guy Valembois
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Patent number: 8568037Abstract: The ring (10) is provided with a tubular radially inner steel core (15) and an outer body (16) of lightweight metal formed around the core with a radial flange (17). The outer surface of the core includes a conical surface (21) which tapers in the axially inner direction, having a straight profile, when viewed in axial section. The conical surface (21) is perpendicular to a median line which bisects an axially inner raceway (11) and which corresponds to the row (13) of bearing balls against the axially inner raceway (11).Type: GrantFiled: March 22, 2012Date of Patent: October 29, 2013Assignee: Aktiebolaget SKFInventors: Alessandro Ferrero, Marco Gemello, Andreas Knopf, Paolo Re
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Patent number: 8568035Abstract: Retaining cage for balls of a rolling bearing, comprising an annular shoulder (16) extended axially by projecting portions (18) defining between them sockets (15) for the balls, emerging radially on either side of the cage. The cage was made from a metal and the surface of each socket (15) is designed to cooperate with one of the balls and is defined by an imaginary cylinder with an axis oriented radially and cut by the plane axially delimiting the cage on the side opposite the shoulder (16) so as to form an axial opening of the socket, the width of this opening being smaller than the diameter of the said imaginary cylinder.Type: GrantFiled: September 25, 2008Date of Patent: October 29, 2013Assignee: Aktiebolaget SKFInventors: Francis Claude, Armel Louis Doyer, Alexandre Manceau, Jean-Marie Gerard, Alberto Ferla
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Publication number: 20130277148Abstract: A lubrication system for lubricating bearings that includes at least one lubrication pump for pumping lubricant to the bearings and at least one metering valve for distributing the pumped lubricant throughout the lubrication system to the bearings. The system further includes a lubrication controller in communication with the at least one lubrication pump and at least one metering valve for controlling the lubrication system. The controller has firmware configured to provide a sequence of instructions to perform specified tasks and hardware that carries out the sequence of instructions to perform the specified tasks. In an unconfigured and unconnected state, the lubrication controller can be configured by reprogramming the firmware, to selectively control at least one of a series progressive lubrication system, a dual line lubrication system and a single line parallel lubrication system.Type: ApplicationFiled: April 20, 2012Publication date: October 24, 2013Applicant: AKTIEBOLAGET SKFInventors: David BECK, Nathan DONOVAN, Eric KRASSINGER
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Publication number: 20130277161Abstract: The present invention relates to a suspension bearing device, comprising a rolling bearing forming an axial stop along a main axis and at least one seal adapted for protecting the rolling bearing from ingress of water or of polluting particles. The device is characterized in that it also comprises a bottom cup and a top cup made of plastic, in contact with the rolling bearing, the bottom cup forming a bearing means for a suspension spring, and in that the or each seal is made of thermoplastic overmoulded onto a first element between the cups and comprises a base of substantially annular shape from which extends at least one sealing lip in contact with the second element between the cups. The invention also relates to a strut of a motor vehicle, comprising a damper and a suspension bearing device as mentioned above.Type: ApplicationFiled: April 23, 2013Publication date: October 24, 2013Applicant: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Christophe Houdayer, Bruno Montboeuf, Adrien Nerriere, Jean-Marc Soudee, Desire Vidot
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Publication number: 20130279837Abstract: The rolling bearing, in particular for a power steering mechanism, comprises an inner ring, an outer ring, an elastic sleeve in contact axially and radially with one of said rings, and a housing holding the sleeve. The housing provides an axial portion and two lateral flanges extending the axial portion and mounted in contact against the sleeve to exert an axial prestress on said sleeve.Type: ApplicationFiled: April 23, 2013Publication date: October 24, 2013Applicant: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Daniel Jansen, Thomas Lepine, Bruno Montboeuf
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Publication number: 20130278046Abstract: A sensor-carrier cap for a bearing of a wheel hub, the cap being made of plastic material and having a bottom wall arranged transversely to a central axis and providing a seat for accommodating a sensor, a cylindrical mounting wall extending axially from one side of the bottom wall around the axis; snap locking means projecting in a radially outer direction from the cylindrical wall, for locking the sensor-carrier cap on a tubular appendage of a wheel hub-bearing.Type: ApplicationFiled: April 24, 2013Publication date: October 24, 2013Applicant: AKTIEBOLAGET SKFInventors: Luca Ciulla, William Finetti, Philippe Weber
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Patent number: 8564399Abstract: A vibration protection and condition monitoring system with true digital signal processing based design, with very limited analog based general signal conditioning and integrated specific sensor conditioning and sensor power supply options. In addition to the support for common Eddy Current Probe Systems (employing an external Driver), the device also supports direct connection of the Eddy Current Probe to the module, due to an built-in driver and linearization functionality. The system is a distributed system where the vibration protection and at least a part of the condition monitoring is in an intrinsically safe (IS) distributed unit located on or at the rotating machinery, even in hazardous areas.Type: GrantFiled: June 22, 2007Date of Patent: October 22, 2013Assignee: Aktiebolaget SKFInventors: Raymond Huggett, David Mellor
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Patent number: 8561996Abstract: The bearing seal assembly (50) includes a metal shield (70) and a resilient multi-lip sealing gasket (60) secured to the metal shield. The metal shield is supported in use by an outer ring (20) of a rolling contact bearing and includes a diagonally extending central portion (72). The sealing gasket (60) provides a number of contacting lips (62-64) facing an inner ring of the rolling contact bearing. A first, main contacting lip (66) exerts a first radial load on the inner ring. A second contacting lip (62) extends from the first lip (66) and exerts a second radial load on the inner ring lower than the first radial load. A third contacting lip (64) is on the opposite side of the second lip (62) with respect to the first lip (66) and exerts a third radial load on the inner ring lower than the first radial load but greater than the second radial load.Type: GrantFiled: May 25, 2009Date of Patent: October 22, 2013Assignee: Aktiebolaget SKFInventors: Fabio Picatto, Davide Zanghi
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Patent number: 8562767Abstract: A bearing component formed from a bearing steel, wherein the component has an outer surface and comprises through-hardened bainite and/or martensite and has a substantially homogeneous chemical composition, at least a part of the bearing component having a compressive residual stress profile comprising ?25 to ?1000 MPa at the near surface, wherein the near surface is defined as a region 500 microns or less below the outer surface.Type: GrantFiled: October 3, 2008Date of Patent: October 22, 2013Assignee: Aktiebolaget SKFInventors: Ingemar Strandell, Peter Neuman, Berndt Mikael Sundqvist, Steven Lane
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Publication number: 20130269194Abstract: An alignment head system (1, 31) for taking alignment data with respect to a pair of shafts (4, 5) coupled to each other by means of a coupling (6) comprises a data acquisition device (11) configured to wirelessly receive data, and alignment heads (2, 3). Each alignment head (2, 3) is configured to take alignment data with respect to the shafts (4, 5), to wirelessly send the alignment data to the data acquisition device (11), and to forward alignment data received from the other alignment head (2, 3).Type: ApplicationFiled: October 19, 2010Publication date: October 17, 2013Applicant: AKTIEBOLAGET SKFInventor: Mark David Sansom
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Publication number: 20130272640Abstract: A retaining cage for the rolling elements of a rolling-contact bearing, having an annular body featuring seven pockets capable of restraining seven respective rolling elements of a rolling-contact bearing, the rolling elements being spaced apart around a centre (O) of the cage, the pockets being spaced from one another according to the following values of angular spacing between two consecutive pockets: 48.3°; 48.5°; 51.2°; 51.8°; 53°; 53.5°; 53.7°.Type: ApplicationFiled: April 17, 2013Publication date: October 17, 2013Applicant: AKTIEBOLAGET SKFInventors: Roberto Mola, Riccardo Restivo, Gianpiero Scaltriti
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Publication number: 20130264862Abstract: A sealing arrangement used to create a seal between a first part of a chain and a second part of the chain, wherein the second part can at least be pivoted in relation to the first part, includes a sealing ring with an annular sealing lip for sealing a lubricant area between parts which can be pivoted towards each other, and an elastic ring which is adapted to be fixed to one of the parts and which is adapted to exert pressure in the sealing ring. In addition, a supporting ring is arranged between the sealing ring and the elastic ring.Type: ApplicationFiled: March 18, 2013Publication date: October 10, 2013Applicant: AB SKFInventors: Hans-Joachim VOM STEIN, Wolfgang KORTE, Marcus STOJEK