Patents Assigned to SKF
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Publication number: 20150306723Abstract: A grinding machine for bearing rings, the machine includes a frame, a rotating grinding wheel movable in rotation around a first rotation axis, and a working station where a bearing ring stands during a grinding operation of one of its surfaces. The grinding machine also includes a holding subsystem for holding a bearing ring in the working station and transfer subsystem for transferring bearing rings to and from the working station. The transfer subsystem includes at least a multi-axis robot and a ring moving arm provided with a gripping subsystem for temporarily gripping a bearing ring, the ring moving arm being rotatable around a second rotation axis, parallel to the first rotation axis, and movable in translation along the second rotation axis.Type: ApplicationFiled: April 22, 2015Publication date: October 29, 2015Applicant: AKTIEBOLAGET SKFInventors: Benoit FISSEAU, Pascal GIRAUD, Alexandre KAELIN, Guillaume PELLAT, Gilles PROUST, Gerard RIMBAULT
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Publication number: 20150308516Abstract: A rolling bearing including an inner ring, an outer ring, at least one row of rolling elements disposed between the inner ring and the outer ring, and (a) at least one seal fixed to one of the inner ring and the outer ring as well as (b) at least one internal sealing lip cooperating with a first portion of the other of the inner ring and the outer ring. The seal further includes at least one external sealing lip offset axially relative to the internal sealing lip on the exterior side of the bearing. The external sealing lip cooperates with a second portion of the other ring, wherein the second portion of the seal is separate from the first portion and situated axially facing the seal.Type: ApplicationFiled: April 20, 2015Publication date: October 29, 2015Applicant: AKTIEBOLAGET SKFInventors: Benoit ARNAULT, Eric BAUDEZ, Mickael CHOLLET, Philippe WALTER
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Publication number: 20150308504Abstract: A bearing ring includes a temperature compensation ring made from an elastic material vulcanized or otherwise materially bonded onto an outer surface of the bearing ring, the outer surface being oriented in a radial direction. The bearing ring includes a radially encircling groove, and in an unloaded state of the temperature compensation ring, that is, independently of an application of axial pressure against the temperature compensation ring, the temperature compensation ring fills the groove in an interference-fit manner.Type: ApplicationFiled: April 28, 2015Publication date: October 29, 2015Applicant: Aktiebolaget SKFInventors: Padelis Katsaros, Rainer Spies
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Publication number: 20150306724Abstract: A grinding machine for bearing rings, the machine includes a frame, a rotating grinding wheel movable in rotation around a first rotation axis, a working station where a bearing ring stands during a grinding operation of one of its surfaces and holding means for holding a bearing ring in the working station, these holding means being rotatable around a second rotation axis and supported by a support plate movable with respect to the frame. The machine includes a first electric actuator for moving the support plate in rotation with respect to the frame, around a third axis perpendicular to the first and second rotation axes and a second electric actuator for moving the holding means in translation along the second rotation axis.Type: ApplicationFiled: April 22, 2015Publication date: October 29, 2015Applicant: AKTIEBOLAGET SKFInventors: Eric ALLIN, Benoit FISSEAU, Pascal GIRAUD, Gilles PROUST, Gerard RIMBAULT
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Publication number: 20150309159Abstract: A method of operating a system for precisely locating an asset or measurement point in a physical plant is provided. The steps of operating the system include providing a hand held device having an application disposed thereon; forming a wireless mesh with a plurality of transmitters located at known locations disposed throughout the physical plant; enabling the hand held device to triangulate to a precise location in the physical plant by virtue of the application and wireless mesh; overlaying the precise triangulated location on an asset map displayed on the hand held device, and displaying accurately both the particular asset and particular assets location by knowing its precise location overlaid onto the asset map.Type: ApplicationFiled: April 25, 2014Publication date: October 29, 2015Applicant: Aktiebolaget SKFInventor: Johannes Izak BOERHOUT
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Publication number: 20150308509Abstract: A rolling bearing includes an inner race, an outer race, at least one row of rolling elements disposed between said races, and at least one first seal fixed to one of the races, wherein the at least one first seal includes at least one sealing lip cooperating with the other race. The bearing further includes at least one second seal fixed to said other race, wherein the at least one first seal includes at least one sealing lip cooperating with said first seal.Type: ApplicationFiled: April 24, 2015Publication date: October 29, 2015Applicant: AKTIEBOLAGET SKFInventors: Benoit ARNAULT, Eric BAUDEZ, Mickael CHOLLET, Philippe WALTER
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Publication number: 20150306725Abstract: A grinding machine for bearing rings includes a frame, a rotating grinding wheel rotationally movable around a first rotation axis, a working station where a bearing ring stands during a surface grinding operation, a chuck for holding a bearing ring, the chuck being rotationally movable around a second rotation axis. The machine includes a first automatic mechanism to set the position of a shaping tool with respect to an outer peripheral edge of the grinding wheel, these first automatic mechanism includes an electric motor, an encoder coupled to the electric motor to detect a rotation of an output shaft of the motor, a sensor of the position of the shaping tool along a translation axis and a comparator to compare output signals from each of the encoder and the sensor. The machine also includes second automatic mechanism to set the axial position of the chuck along the second rotation axis.Type: ApplicationFiled: April 22, 2015Publication date: October 29, 2015Applicant: Aktiebolaget SKFInventors: Eric ALLIN, Benoit FISSEAU, Pascal GIRAUD, Alexandre KAELIN, Guillaume PELLAT, Gilles PROUST
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Publication number: 20150306732Abstract: A workpiece processing machine comprising a handler for loading a working station of the machine with workpieces for processing. The machine includes a laser detection cell and a computation apparatus configured to compute a first dimension of the workpiece based upon a position of the handler when the workpiece crosses a laser beam of the laser detection cell while being moved by the handler in a first direction. The method automatically controls dimensions of workpieces processed in a working station thereof. The method includes steps of: a) picking a workpiece in an inlet station, b) moving the workpiece using a handler in a direction towards a laser beam of the laser detection cell, c) detecting the position of the handler when the workpiece crosses the laser beam along the direction and d) computing a dimension of the workpiece on the basis of the position of the handler (in step c).Type: ApplicationFiled: April 22, 2015Publication date: October 29, 2015Applicant: AKTIEBOLAGET SKFInventors: Eric ALLIN, Benoit FISSEAU, Alexandre KAELIN, Guillaume PELLAT, Gilles PROUST, Gerard RIMBAULT
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Patent number: 9171192Abstract: A method for collecting data and a computer-readable medium are provided. The method includes determining, using a data collection unit, that the data collection unit is physically proximal to a machine, and receiving a tag identifier from a tag positioned in, on, or near the machine using a tag reader of the data collection unit. The method also includes taking one or more measurements of one or more operating conditions of the machine using a sensor of the data collection unit. The method also includes storing the one or more measurements, and associating the one or more measurements with the tag identifier.Type: GrantFiled: April 29, 2013Date of Patent: October 27, 2015Assignee: AKTIEBOLAGET SKFInventor: Jon D Murphy
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Patent number: 9169876Abstract: A bearing unit for a vehicle wheel is provided having an axis of rotation and a radially outer stationary ring including a tubular axial lug delimited by an outer cylindrical surface, and with a flange transverse to the axis of rotation and axially delimited. A radially inner rotatable ring defines, with the ring, a space. An encoder is fixed to the inner ring and extends outside of the space and in front of the axial lug. A protective cover mounted on the axial lug to protect the encoder and close off the space. The stationary ring includes a shaped annular channel formed across the axial surface and delimited axially by a bottom surface and the side wall with a bent edge arranged axially in abutment against the bottom surface of the annular channel. Sealing means are arranged between the bent edge and the bottom surface to seal the annular channel.Type: GrantFiled: January 8, 2014Date of Patent: October 27, 2015Assignee: AKTIEBOLAGET SKFInventors: Paolo Baratti, Andrea Serafini
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Patent number: 9168583Abstract: The invention comprises a non-rotating shaft for supporting a mechanical element of a roll segment in a continuous casting machine, having an essentially circular cross-section. The circular cross-section presents a portion having a smooth peripheral, wherein the distance between any point of the portion and a center of the circular cross-section is shorter than a radius of the circular cross-section. Furthermore, the circular cross-section presenting the portion extends axially, which defines a section of the shaft meant to a least partly receive the mechanical element, and the section of the shaft is meant to receive a load at least partly at the portion. In addition, according to a second aspect, the invention comprises a segment roll for a continuous casting machine, which comprises the non-rotating shaft according to the first aspect.Type: GrantFiled: November 30, 2006Date of Patent: October 27, 2015Assignee: AKTIEBOLAGET SKFInventors: Magnus Axelsson, Patrik Costa
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Publication number: 20150298732Abstract: A bearing device includes at least one kingpin, a carrier unit, a first bearing unit, and a second bearing unit. The first and second bearing units rotatably support the carrier unit relative to the kingpin. The first bearing unit includes an angular contact sliding bearing that includes a first bearing element, a second bearing element and a third bearing element, the first and second bearing elements being movable relative to each other during at least one operating process, and the third bearing element being disposed between the first bearing element and the second bearing element. During the operating process the third bearing element slides on the first and/or second bearing element, and the third bearing element is formed at least partially from a polymer.Type: ApplicationFiled: June 14, 2013Publication date: October 22, 2015Applicant: AKTIEBOLAGET SKFInventors: Allen Cao, Josef Hahn
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Publication number: 20150300476Abstract: A cam follower roller device, notably for fuel injection pump of an internal combustion engine, the cam follower roller device comprising a casing, a shaft mounted on the casing and a roller rotatably mounted on the shaft. The casing comprises on its periphery at least four openings made through the thickness of the casing and located in such a way that two openings face one end of the outer cylindrical surface of the roller.Type: ApplicationFiled: April 20, 2015Publication date: October 22, 2015Applicant: AKTIEBOLAGET SKFInventors: Nicolas BERRUET, François CHAMPALOU, Benoît HAUVESPRE, Samuel VIAULT
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Publication number: 20150300463Abstract: A tensioning roller/winder device comprising at least one roller bearing including inner and outer rings and at least one row of rolling elements between the two rings; a pulley surmounting the outer ring; and a retaining screw comprising a body and head. An abutment is provided on the body external periphery. First and second abutments are provided on the inner ring bore. The axial length between the head and the abutment equals the axial length between an inner ring radial side edge and the inner ring bore first abutment is greater than the axial length between a inner ring radial side edge opposite the screw head and the inner ring bore second abutment. The screw abutment contacts the inner ring first abutment during the body insertion into the inner ring bore in the desired direction, but contacts the inner ring second abutment during the body insertion in the undesired direction.Type: ApplicationFiled: April 16, 2015Publication date: October 22, 2015Applicant: Aktiebolaget SKFInventors: Dirk ALBRECHT, Frederic LIEGE, Nicolas TRONQUOY
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Publication number: 20150300407Abstract: An electronic magnetic bearing controller for controlling the position of a rotor of an electrical machine supported by an active magnetic bearing the position of which being measured by at least one inductive position sensor having an inductive coil, comprising an automatic reactive power compensation device for automatically compensating the reactive power consumed by the inductive position sensor.Type: ApplicationFiled: April 20, 2015Publication date: October 22, 2015Applicant: SKF MAGNETIC MECHATRONICSInventors: Gregory COSSART, Joaquim DA SILVA, Lakdar SADI-HADDAD
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Publication number: 20150300467Abstract: A roller screw mechanism including a screw provided with an outer thread, a nut surrounding and coaxial with the screw, the nut being provided with an inner thread, a plurality of rollers radially disposed between the screw and the nut and each provided with an outer thread and with two outer gear teeth two gear wheels each provided with gear teeth meshing with the gear teeth of the rollers, and two spacer rings for maintaining the rollers circumferentially spaced apart. The spacer rings are axially offset towards the inside relative to the gear teeth of the gear wheels.Type: ApplicationFiled: April 21, 2014Publication date: October 22, 2015Applicant: Aktiebolaget SKFInventors: Eric ALLEGRI, Folly Abevi
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Patent number: 9163730Abstract: A unitized radial fluid seal includes a shell having a first elastomeric seal body affixed thereto and defining a primary seal lip. A sleeve includes a substantially cylindrical, axially-extending sealing flange and a protective flange extending substantially radially from the axially-extending sealing flange. A spring radially urges the primary seal lip into sealing contact with a sealing surface of the axially-extending sealing flange. A second elastomeric seal body is affixed to the sleeve and includes a resiliently-elastic angled lip extending from a terminal end of the axially-extending sealing flange opposite of the radially-extending protective flange. The sealing surface and an axially-outward facing surface of the angled lip define an angle (?) that is between about 130-170°. The primary seal lip is axially retained between the angled lip and the radially-extending protective flange.Type: GrantFiled: August 16, 2013Date of Patent: October 20, 2015Assignee: AKTIEBOLAGET SKFInventors: Linas Maskaliunas, Bret Thomas Dana
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Patent number: 9163661Abstract: Rolling bearing assembly device comprising an outer race, an inner race, a row of rolling elements which is arranged between the outer and inner races, a sleeve mounted in the bore of the inner race, and an elastic preload element capable of transmitting an axial preload to the inner race, the elastic preload element being mounted in direct contact with the inner race and being able to be in contact with an annular axial centring portion of the sleeve. A radial bearing flange of the sleeve extends radially from the axial centring portion towards the outside of the device and bears axially over its entire periphery against the elastic preload element. The rolling bearing assembly device comprises an axial retention means bearing axially over its entire periphery against the radial bearing flange of the sleeve.Type: GrantFiled: May 31, 2013Date of Patent: October 20, 2015Assignee: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Daniel Jansen, Thomas Lepine, Bruno Montboeuf
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Publication number: 20150292603Abstract: A pulley device for a belt or chain, the pulley device comprising a bearing provided with an external ring, an internal ring, and at least one row of rolling elements mounted in a bearing chamber defined between the external and internal rings. A pulley is secured in rotation with the external ring and provided with an external radial surface for engaging with a belt or chain. Also included is at least one hollow shaft able to receive a screw for mounting the pulley device on a support. The hollow shaft forming a structural unit comprising a bushing, a flange secured to the bushing, and which extends, from the bushing, radially outwards, respective to a central axis of the hollow shaft, as far as the bearing chamber. The flange is formed with a washer and an endplate, while the washer is radially located between the bushing and the endplate.Type: ApplicationFiled: April 8, 2015Publication date: October 15, 2015Applicant: AKTIEBOLAGET SKFInventors: Laurent CHERIOUX, Mikael LASSERRE, Alain LLOZE, Pascal MAUROY, Thierry PROUTEAU
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Publication number: 20150290058Abstract: A lifting column includes first and second lifting column components, one slidably receivable in the other, each having mutually facing guide surfaces. The first lifting column component has first and second openings in its guide surface, and first and second guide components mounted in these openings. Each of the guide components includes an attachment structure that projects into one of the first and second openings and a substantially planar guide section connected to the attachment structure that overlies a guide surface of the first lifting component and that is configured to abut on the guide surface of the second lifting column component. The first and second guide components are configured such that they are in contact with each other when the attachment structures are mounted the openings.Type: ApplicationFiled: April 11, 2014Publication date: October 15, 2015Applicant: Aktiebolaget SKFInventor: Hans Peter Panzer
