Patents Assigned to SKF
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Device and method for detecting a pressure change in a tire using a plurality of temperature signals
Patent number: 9796220Abstract: A device for detecting a pressure change in a tire includes a first temperature sensor located outside the tire, the first temperature sensor being configured to produce a first temperature signal indicative of a first temperature, an input apparatus configured to receive the first temperature signal from the first temperatures sensor, and to receive a second temperature signal from a second temperature sensor, the second temperature signal being indicative of a second temperature, and to receive a tire pressure signal from a tire pressure sensor, the tire pressure signal being indicative of a tire pressure of the tire, and a processor configured to output an evaluation signal including information about a change of tire pressure based on the pressure signal and based on the first temperature signal and the second temperature signal.Type: GrantFiled: October 1, 2014Date of Patent: October 24, 2017Assignee: AKTIEBOLAGET SKFInventors: Jens Graf, Milen Kourtev -
Patent number: 9789887Abstract: A backing ring assembly is for a railcar axle assembly including a shaft with a central axis and a bearing mounted on the shaft. An annular backing ring is disposeable upon the shaft between the bearing and a shaft enlarged section and has a central axis, an inner surface extending about the axis and defining a central bore for receiving the shaft and a retention surface facing away from the shaft enlarged section when the backing ring is disposed upon the shaft. A retainer includes an annular body, disposeable about the shaft enlarged section and having an inner surface sized to frictionally engage with the shaft enlarged section cylindrical surface, and at least one coupler connected with the annular body. The coupler(s) engage with the ring retention surface to releasably connect the retainer annular body with the backing ring to retain the ring at a fixed position on the shaft.Type: GrantFiled: May 10, 2016Date of Patent: October 17, 2017Assignee: AKTIEBOLAGET SKFInventors: David Johansson, Michael Duguet, Mark A. Ussai, Arnaud Duchassin, Thierry Le Moigne, Jonathan Repesse
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Patent number: 9790818Abstract: A mechanical system that forms a cam follower or a rocker arm. The mechanical system includes a support element, a pin extending between two opposite ends along a first axis, and a roller mounted on the pin, movable in rotation relative to the pin around the first axis and adapted to roll on a cam. The support element further comprises an insert having holding members supporting the pin ends, provided with cut-outs having a shape complementary to the shape of the pin-ends, for assembling pin with insert by quarter-turn around the first axis. The pin ends each have a flat surface and an external surface. A first dimension of each pin end, measured perpendicularly to the flat surface, between the flat surface and the external surface of the pin end, is higher than half the outer diameter of the pin ends.Type: GrantFiled: November 19, 2015Date of Patent: October 17, 2017Assignee: AKTIEBOLAGET SKFInventors: Nicolas Berruet, François Champalou, Samuel Viault
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Patent number: 9784370Abstract: A seal and a seal assembly. The seal includes a generally annular casing, an engaging feature coupled to or integral with the casing and configured to be coupled to an accessory that is separate from the casing, and a generally annular sealing element coupled to the casing, the engaging feature, or both. The sealing element is configured to seal with a relatively movable member, wherein the engaging feature is separately-formed from the sealing element.Type: GrantFiled: September 28, 2015Date of Patent: October 10, 2017Assignee: AKTIEBOLAGET SKFInventors: Michael Thomas, Todd Buehrer
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Patent number: 9784309Abstract: An angular contact self-aligning toroidal roller bearing comprising an inner ring, an outer ring, and a set of rolling elements formed of rollers arranged in an intermediate configuration between the inner and outer rings. Each roller is arranged to self orient in its axial direction in relation to the inner and outer rings in a loaded zone during operation. Furthermore, a method for determining dimensional parameters of structural members of an angular contact self-aligning toroidal rolling element bearing and a method for manufacturing an angular contact self-aligning toroidal rolling element bearing are described herein.Type: GrantFiled: November 4, 2015Date of Patent: October 10, 2017Assignee: AKTIEBOLAGET SKFInventors: Magnus Kellstrom, Arne Lars Jonas Kullin, Andreas Lofqvist
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Patent number: 9784316Abstract: The invention provides a process for preparing a protective layer on a tribological surface of a mechanical component, wherein the layer comprises a metal phosphate and/or metal sulphate having anti-wear and/or anti-fretting properties, and the process comprises subjecting the tribological surface of the component to a mechanical treatment which is carried out with a tool that moves at or along the tribological surface during which treatment the metal phosphate and/or metal sulphate in solid form is provided and the layer is formed on the surface of the mechanical component by means of deposition of the metal phosphate and/or metal sulphate compound.Type: GrantFiled: November 30, 2012Date of Patent: October 10, 2017Assignee: AKTIEBOLAGET SKFInventors: Dick Meijer, Dries Muller, Martines Maria Josef Noordman, John F. van de Sanden
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Patent number: 9788086Abstract: A measurement system comprises a measurement unit, a transmitter, an autarkic power unit and a control unit. The measurement unit measures a quantity repeatedly and the transmitter connects the measurement system to a network and transmits data to the network based on the measurements of the measurement unit. Further, the autarkic power unit supplies electrical energy to the measurement unit, the transmitter and the control unit. Additionally, the control unit controls the measurement of the quantity and the transmission of data dynamically based on a currently available amount of energy provided by the power unit. Further, the control unit stops measurements by the measurement unit and keeps the transmitter connected to the network, if the currently available amount of energy is below a predefined energy limit indicating that the currently available amount of energy is too low for taking measurements and for keeping connected to the network.Type: GrantFiled: January 11, 2013Date of Patent: October 10, 2017Assignee: AKTIEBOLAGET SKFInventors: Gerard McGoogan, Frank Bartl, Joseph Erskine, Andreas Clemens Van Der Ham
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Publication number: 20170284546Abstract: A dynamic seal having a contact surface including a fabric is provided. A fatty acid ester is incorporated into the fabric.Type: ApplicationFiled: September 11, 2014Publication date: October 5, 2017Applicant: Aktiebolaget SKFInventors: Warrick Allen, Stellario Barbera
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Publication number: 20170284435Abstract: A connector assembly includes a generally L-shaped fitting with a first mounting portion having a mounting hole(s), a second mounting portion extending generally angled to the first mounting portion and having a mounting hole(s) and a joint portion integrally connecting the two mounting portions. The joint portion has a load section(s) defined between a concave surface section extending between inner surfaces of the first and second mounting portions and a convex surface section extending between outer surfaces of the first and second mounting portions, the load section concave surface section having a radius of curvature. A washer has an outer perimeter surface with a section having a partially spherical profile and is sized such that the spherical surface section is disposed against the joint load section concave surface so that the washer exerts force generally against the joint load section when the washer is clamped to the second mounting portion.Type: ApplicationFiled: March 31, 2016Publication date: October 5, 2017Applicant: SKF Aerospace France S.A.SInventors: Florent Fauchery, Anthony Jerome, Jean-Michel Buchin, Florian Bardy, Guy Valembois
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Patent number: 9778139Abstract: A load structure for testing a loadability of a large bearing includes a housing, a force-transmitting structure configured to generate a force or a moment relative to the housing and to transmit the force or the moment to a bearing ring of the large bearing, and a force-receiving element connected to the housing and configured to contact a counter ring of the large bearing. The housing is configured to support the counter ring indirectly via the force-receiving element such that the transmitted force or moment is transmitted to the housing at least partially via the counter ring and the force-receiving element, and a material of the force-receiving element has a higher degree of hardness than a material of the housing. Also a method of load testing a bearing.Type: GrantFiled: September 29, 2015Date of Patent: October 3, 2017Assignee: AKTIEBOLAGET SKFInventor: Thomas Zika
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Patent number: 9778118Abstract: A bolt sensor assembly provides a body adapted for insertion into a hole in a component, the body having a first end and a second end, and a longitudinal axis extending therebetween. The first end includes an attachment means for attachment of the bolt sensor assembly to the component, and the second end mounts a sensor element, such as a strain gauge element. The sensor element is movable with respect to the body in the direction of the longitudinal axis of the body and the sensor element is constrained against rotation about the longitudinal axis with respect to the body.Type: GrantFiled: November 17, 2014Date of Patent: October 3, 2017Assignee: AKTIEBOLAGET SKFInventor: Andrew Campbell
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Patent number: 9777773Abstract: A roller bearing seal includes an insert part and a polymer part connected to the insert part, and the insert part includes an annular-disc-shaped middle section having a radially inner deflection and a radially outer deflection, and a first ratio (L2/L1) of an axial length (L2) of the outer deflection to an axial length (L1) of the inner deflection is less than 0.65.Type: GrantFiled: April 6, 2016Date of Patent: October 3, 2017Assignee: AKTIEBOLAGET SKFInventors: Michael Reugels, Philipp Bernreuther, Claudio Foti, Héctor Villalobos
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Patent number: 9778146Abstract: A module for detecting a vibrational behavior of a mechanical component includes an attachment component configured to be rigidly mechanically connected to the mechanical component in order to absorb a mechanical vibration of the mechanical component, a circuit board including a circuit, the circuit board being configured to detect the mechanical vibration of the mechanical component and, based on the detected vibration, to wirelessly transmit a signal indicative of the vibrational behavior, and at least one spacer mechanically connecting the circuit board to the attachment component such that the mechanical vibration is transferable from the attachment component to the circuit board.Type: GrantFiled: March 30, 2015Date of Patent: October 3, 2017Assignee: AKTIEBOLAGET SKFInventors: Johannes Biegner, Jens Graf, Laurens Verhulst
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Patent number: 9776841Abstract: A lifting column includes a component having an internal thread, as well as a hollow shaft having an external thread, which is in engagement with the internal thread of the component. A threaded spindle is disposed inside the hollow shaft and has an external thread, which is in engagement with an internal thread of the hollow shaft. Furthermore, the lifting column includes a drive device configured to rotate the hollow shaft relative to the threaded spindle and the component. When the hollow shaft rotates, the component and the hollow shaft move in the same axial direction so that the height of the lifting column is changeable.Type: GrantFiled: December 12, 2014Date of Patent: October 3, 2017Assignee: AKTIEBOLAGET SKFInventor: Marcel Soltermann
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Patent number: 9778159Abstract: A system for investigating rheological properties of grease, the system including grease sample preparation arrangement for preparing a grease sample with a predetermined quantity of grease, at least two sample holder plates for holding the grease sample by sandwiching the grease sample between the sample holder plates, wherein at least one of the sample holder plates is transparent, and a loading system for generating a predetermined force acting on the grease sample sandwiched between the sample holder plates by pressing on the sample holder plates such that a spot formed by the grease sample on the sample holder plates is expanded. The loading system can include at least one transparent portion enabling a continuous observation of the expansion of the spot while the predetermined force is acting on the grease sample.Type: GrantFiled: August 6, 2015Date of Patent: October 3, 2017Assignee: AKTIEBOLAGET SKFInventors: Egidio D'Antona, Pieter Martin Lugt, Ileana Nedelcu, Rihard Pasaribu, Albertus Maria Van Der Vorst
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Patent number: 9777807Abstract: A tensioning device comprising a receiver housing, a lever arm mounted on the receiver housing and rotatable with respect to the receiver housing around a first rotation axis, a pulley mounted on the lever arm and rotatable with respect to the lever arm around a second rotation axis parallel to the first rotation axis, and a spring mounted between the receiver housing and the lever arm and adapted to apply a torque for rotating the lever arm around the first rotation axis. The receiver housing and the lever arm are screwed together around the first rotation axis. The spring applies an axial damping effort, parallel to the first axis, on cooperating threaded portions respectively provided on the receiver housing and on the lever arm.Type: GrantFiled: June 12, 2015Date of Patent: October 3, 2017Assignee: AKTIEBOLAGET SKFInventors: Jeremie Barillet, Laurent Cherioux, Christophe Daubignard, Tony Gaudrier, Pascal Mauroy, Thierry Prouteau, Sebastien Schultz, Philippe Weber
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Patent number: 9777820Abstract: The cam follower roller device comprises a body, a shaft mounted on the body, a roller mounted on the shaft and able to rotate, and a plain bearing interposed radially between the shaft and the roller. An outer surface and/or an inner surface of the plain bearing comprise a plurality of cavities. The ratio of the sum of the surfaces areas of the cavities to the total surface area of the outer surface, or of the inner surface, in which the cavities are formed is between 2% and 40%. The cavities have a depth between 0.5 ?m and 5 ?m.Type: GrantFiled: November 26, 2014Date of Patent: October 3, 2017Assignee: AKTIEBOLAGET SKFInventors: Aurelien Ghilbert-Simon, Benoît Hauvespre
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Patent number: 9781131Abstract: A system and method for securing remote configurations. The system and method can include, receiving configuration payloads as publications from a messaging service. The system and method can also include transmitting validation requests based on received configuration payloads, receiving indications of whether the configuration payloads are valid or invalid, and transmitting an alert based on receiving an indication that a configuration payload is invalid.Type: GrantFiled: April 22, 2015Date of Patent: October 3, 2017Assignee: AKTIEBOLAGET SKFInventor: Alexander Pinkerton
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Patent number: 9773135Abstract: Systems and methods for collecting and/or managing data are provided. The system includes a plurality of radio frequency identification (RFID) tags attached to a plurality of machines. Each of the plurality of RFID tags includes a tag ID. The system also includes a mobile data collector configured to take a measurement of one or more operating conditions of the plurality of machines and to read the tag ID from a proximal one of the plurality of RFID tags. The system also includes a computing device including a processor and a memory storing a database, the database associating the tag ID of each of the plurality of RFID tags with the one of the plurality of machines to which it is attached. Further, the computing device is configured to receive the measurement and the tag ID from the mobile data collector and analyze the one or more operating conditions.Type: GrantFiled: December 16, 2013Date of Patent: September 26, 2017Assignee: AKTIEBOlAGET SKFInventor: Jonathan David Murphy
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Patent number: 9771981Abstract: A sealing device including a first annular shield fixable to a first ring, a second annular shield facing the first and fixable to a second ring. A first shield annular sliding sealing lip cooperating with the second ring. At least first and second annular non-contacting sealing lips of the second shield. The first non-contacting lip includes a first portion extending in projection, and a second end extending axially and radially projecting from the first portion; being tapered towards a free end thereof, axially away from the first ring, which come into contact axially when the first annular lip is bent towards the first shield. The second non-contacting lip extends axially projecting from the first shield from the same side as the second portion of the first lip and beyond it and forms towards the first lip an annular collecting channel of possible contaminants which pass beyond the first annular lip.Type: GrantFiled: September 4, 2015Date of Patent: September 26, 2017Assignee: AKTIEBOLAGET SKFInventors: Fausto Baracca, Daniele Martin Duch, Fabio Falaschi