Patents by Inventor Hans Wendeberg
Hans Wendeberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10859113Abstract: A bearing arrangement for a fluid machinery application employing an axially locating bearing. The axially locating bearing includes: a first angular self-aligning contact bearing arranged next to a second angular self-aligning contact bearing. Each of the first angular self-aligning contact bearing and the second angular self-aligning contact bearing includes a set of rolling elements arranged in a row and interposed between a respective curved inner raceway and an associated curved outer raceway. Each roller is a symmetrical cylindrically-shaped roller having a curved raceway-contacting surface. Each roller is inclined respective to the axial direction of the shaft by a respective contact angle. The rollers support an axial force and a radial force. The axially non-locating bearing position is arranged spaced apart from the axially locating bearing position, as seen in the axial direction. Examples of fluid machinery applications include: a wind turbine, water turbine or a propulsion turbine.Type: GrantFiled: December 17, 2018Date of Patent: December 8, 2020Assignee: Aktiebolaget SKFInventors: Arne Lars Jonas Kullin, Juergen Reichert, Hans Wendeberg
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Patent number: 10788018Abstract: A wind turbine rotor shaft arrangement, e.g. of horizontal type, comprising a rotor shaft for supporting wind turbine blades, a non-rotating first housing structure for supporting the rotor shaft, and a first rolling bearing arranged to support, in a first axial direction, the rotor shaft in relation to the first housing structure at a first support point. The first rolling bearing is a single row self-aligning 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 a symmetrical bearing roller having a curved raceway-contacting surface arranged contacting a curved inner raceway of the inner ring and a curved outer raceway of the outer ring. A contact angle between each roller and the inner and/or outer raceway is inclined in relation to the radial direction of the rotor shaft.Type: GrantFiled: December 19, 2017Date of Patent: September 29, 2020Assignee: AKTIEBOLAGET SKFInventors: Hans Wendeberg, Håkan Leander, Jürgen Reichert
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Patent number: 10385822Abstract: A wind turbine rotor shaft arrangement comprising a shaft supporting wind turbine blades and a non-rotating first housing structure (mounted to a wind turbine nacelle framing) along with a first rolling bearing supporting (in a first axial direction) the shaft to the first housing structure at a first support point. The first rolling bearing is a self-aligning bearing comprising a first inner ring, a first outer ring and a set of rolling elements interposed therebetween. Each roller is asymmetric, having a curved raceway-contacting surface contacting at least one of the curved inner/outer raceways of the first inner/outer ring, respectively. A contact angle between each roller and the respective raceway is inclined respective to the shaft radial direction. A non-rotating second housing structure (mounted to the wind turbine nacelle framing) supports the shaft. A second rolling bearing supports the shaft by the second housing structure at a second support point.Type: GrantFiled: September 17, 2015Date of Patent: August 20, 2019Assignee: Aktiebolaget SKFInventors: Arne Lars Jonas Kullin, Juergen Reichert, Hans Wendeberg
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Publication number: 20190113073Abstract: A bearing arrangement for a fluid machinery application employing an axially locating bearing. The axially locating bearing includes: a first angular self-aligning contact bearing arranged next to a second angular self-aligning contact bearing. Each of the first angular self-aligning contact bearing and the second angular self-aligning contact bearing includes a set of rolling elements arranged in a row and interposed between a respective curved inner raceway and an associated curved outer raceway. Each roller is a symmetrical cylindrically-shaped roller having a curved raceway-contacting surface. Each roller is inclined respective to the axial direction of the shaft by a respective contact angle. The rollers support an axial force and a radial force. The axially non-locating bearing position is arranged spaced apart from the axially locating bearing position, as seen in the axial direction. Examples of fluid machinery applications include: a wind turbine, water turbine or a propulsion turbine.Type: ApplicationFiled: December 17, 2018Publication date: April 18, 2019Inventors: Arne Lars Jonas Kullin, Juergen Reichert, Hans Wendeberg
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Patent number: 10197093Abstract: The present invention relates to a bearing arrangement having a first and a second support structure for supporting a rotating member, a first rolling bearing supporting the first support structure in relation to the second support structure at a first support location, a second rolling bearing supporting the first support structure in relation to the second support structure at a second support location. The first and second rolling bearings are arranged in a coaxial configuration in relation to each other. Furthermore, the first rolling bearing forms a radially outer bearing, and the second rolling bearing is arranged radially inside the first rolling bearing by a bearing radial distance, and the first support location and second support location are axially aligned. The present invention also relates to a method for manufacturing a bearing arrangement.Type: GrantFiled: October 10, 2014Date of Patent: February 5, 2019Assignee: Aktiebolaget SKFInventors: Arne Lars Jonas Kullin, Hans Wendeberg
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Publication number: 20180128248Abstract: A wind turbine rotor shaft arrangement, e.g. of horizontal type, comprising a rotor shaft for supporting wind turbine blades, a non-rotating first housing structure for supporting the rotor shaft, and a first rolling bearing arranged to support, in a first axial direction, the rotor shaft in relation to the first housing structure at a first support point. The first rolling bearing is a single row self-aligning 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 a symmetrical bearing roller having a curved raceway-contacting surface arranged contacting a curved inner raceway of the inner ring and a curved outer raceway of the outer ring. A contact angle between each roller and the inner and/or outer raceway is inclined in relation to the radial direction of the rotor shaft.Type: ApplicationFiled: December 19, 2017Publication date: May 10, 2018Applicant: Aktiebolaget SKFInventors: Hans WENDEBERG, Håkan LEANDER, Jürgen REICHERT
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Patent number: 9915246Abstract: A wind turbine rotor shaft arrangement, e.g. of horizontal type, comprising a rotor shaft for supporting wind turbine blades, a non-rotating first housing structure for supporting the rotor shaft, and a first rolling bearing arranged to support, in a first axial direction, the rotor shaft in relation to the first housing structure at a first support point. The first rolling bearing is a single row self-aligning 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 a symmetrical bearing roller having a curved raceway-contacting surface arranged contacting a curved inner raceway of the inner ring and a curved outer raceway of the outer ring. A contact angle between each roller and the inner and/or outer raceway is inclined in relation to the radial direction of the rotor shaft.Type: GrantFiled: May 6, 2015Date of Patent: March 13, 2018Assignee: AKTIEBOLAGET SKFInventors: Hans Wendeberg, Håkan Leander, Jürgen Reichert
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Patent number: 9822814Abstract: A bearing (8) comprising a first row of rolling elements (10, 10a, 10b, 12, 12a, 12b) having a first pressure center (14) and a first contact angle, and a second row of rolling elements (10, 10a, 10b, 12, 12a, 12b) having a second pressure center (14) and a second contact angle, whereby said first pressure center (14) is arranged to coincide with said second pressure center (14) and whereby said first contact angle is the same as said second contact angle.Type: GrantFiled: October 10, 2014Date of Patent: November 21, 2017Assignee: AKTIEBOLAGET SKFInventors: Hans Wendeberg, Jonas Kullin
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Publication number: 20160290404Abstract: The present invention relates to a packaging device for transportation and handling of a rolling element bearing that provides a base member, a cover member, and side members connected to the base member and to the cover member. The base member, cover member and side members form an enclosing space for accommodating the rolling bearing. The packaging device is arranged to contain the rolling bearing during induction heating of the rolling bearing with an induction heater comprising a coil. The present invention also relates to the use of a packaging device for induction heating of a rolling element bearing, and to a method for manufacturing a packaging device for a rolling element bearing.Type: ApplicationFiled: October 20, 2014Publication date: October 6, 2016Applicant: Aktiebolaget SKFInventor: Hans Wendeberg
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Publication number: 20160258482Abstract: The present invention relates to a bearing arrangement having a first and a second support structure for supporting a rotating member, a first rolling bearing supporting the first support structure in relation to the second support structure at a first support location, a second rolling bearing supporting the first support structure in relation to the second support structure at a second support location. The first and second rolling bearings are arranged in a coaxial configuration in relation to each other. Furthermore, the first rolling bearing forms a radially outer bearing, and the second rolling bearing is arranged radially inside the first rolling bearing by a bearing radial distance, and the first support location and second support location are axially aligned. The present invention also relates to a method for manufacturing a bearing arrangement.Type: ApplicationFiled: October 10, 2014Publication date: September 8, 2016Applicant: Aktiebolaget SKFInventors: Arne Lars Jonas Kullin, Hans Wendeberg
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Publication number: 20160238070Abstract: A bearing (8) comprising a first row of rolling elements (10, 10a, 10b, 12, 12a, 12b) having a first pressure centre (14) and a first contact angle, and a second row of rolling elements (10, 10a, 10b, 12, 12a, 12b) having a second pressure centre (14) and a second contact angle, whereby said first pressure centre (14) is arranged to coincide with said second pressure centre (14) and whereby said first contact angle is the same as said second contact angle.Type: ApplicationFiled: October 10, 2014Publication date: August 18, 2016Applicant: AKTIEBOLAGET SKFInventors: Hans WENDEBERG, Jonas KULLIN
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Publication number: 20160090966Abstract: A wind turbine rotor shaft arrangement comprising a shaft supporting wind turbine blades and a non-rotating first housing structure (mounted to a wind turbine nacelle framing) along with a first rolling bearing supporting (in a first axial direction) the shaft to the first housing structure at a first support point. The first rolling bearing is a self-aligning bearing comprising a first inner ring, a first outer ring and a set of rolling elements interposed therebetween. Each roller is asymmetric, having a curved raceway-contacting surface contacting at least one of the curved inner/outer raceways of the first inner/outer ring, respectively. A contact angle between each roller and the respective raceway is inclined respective to the shaft radial direction. A non-rotating second housing structure (mounted to the wind turbine nacelle framing) supports the shaft. A second rolling bearing supports the shaft by the second housing structure at a second support point.Type: ApplicationFiled: September 17, 2015Publication date: March 31, 2016Applicant: Aktiebolaget SKFInventors: Arne Lars Jonas KULLIN, Juergen REICHERT, Hans WENDEBERG
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Patent number: 9297414Abstract: A bearing unit for a fluid machinery application having a double-row bearing, the double-row bearing comprising: a first angular self-aligning contact bearing arranged next to a second angular self-aligning contact bearing for locating and rotatably support a shaft; each angular self-aligning contact bearing having a respective set of rolling elements formed of rollers arranged in a row and interposed between an associated curved inner raceway and a curved outer raceway. Each roller is a symmetrical cylindrically shaped roller having a curved raceway-contacting surface engaging with the curved inner and outer raceways. Each roller is inclined in relation to the axial direction of the shaft by a respective first or second contact angle. The rollers are arranged to cooperate with the associated curved inner and raceways for supporting an axial force and a radial force. Examples of fluid machinery applications include: wind turbine, water turbine or propulsion turbine arrangements.Type: GrantFiled: November 7, 2014Date of Patent: March 29, 2016Assignee: AKTIEBOLAGET SKFInventors: Jonas Kullin, Juergen Reichert, Hans Wendeberg
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Patent number: 9243664Abstract: A toroidal roller bearing, which comprises an outer ring, an inner ring and a plurality of roller elements interposed between the outer and inner rings, wherein the toroidal roller bearing allows for angular and axial displacement between the outer ring and the inner ring. The bearing includes a cage for holding the roller elements, wherein the cage provides an axial guiding feature for axially guiding the roller elements against at least one of the outer ring, inner ring and a separate element located outside the toroidal roller bearing.Type: GrantFiled: April 17, 2013Date of Patent: January 26, 2016Assignee: AKTIEBOLAGET SKFInventors: Hans Wendeberg, Linus Efraimsson
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Publication number: 20150267687Abstract: A wind turbine rotor shaft arrangement, e.g. of horizontal type, comprising a rotor shaft for supporting wind turbine blades, a non-rotating first housing structure for supporting the rotor shaft, and a first rolling bearing arranged to support, in a first axial direction, the rotor shaft in relation to the first housing structure at a first support point. The first rolling bearing is a single row self-aligning 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 a symmetrical bearing roller having a curved raceway-contacting surface arranged contacting a curved inner raceway of the inner ring and a curved outer raceway of the outer ring. A contact angle between each roller and the inner and/or outer raceway is inclined in relation to the radial direction of the rotor shaft.Type: ApplicationFiled: May 6, 2015Publication date: September 24, 2015Applicant: Aktiebolaget SKFInventors: Hans WENDEBERG, Håkan LEANDER, Jürgen REICHERT
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Publication number: 20150240874Abstract: The invention is a method of mounting a rolling bearing onto a wind turbine rotor shaft, wherein the bearing includes an outer ring, an inner ring and rolling elements disposed between the rings, and wherein the inner ring provides an inner circumferential surface, having a frustoconical profile. The rolling bearing is mounted on a corresponding conical seat on the rotor shaft by the frustoconical inner circumferential surface. The method includes: pressing a liquid in-between the inner circumferential surface of the inner ring and the conical seat to facilitate the driving up of the rolling bearing on the conical seat, driving up the rolling bearing on the conical seat by an axial force acting on the rolling bearing, wherein the liquid is pressed in-between the two surfaces at an axial end portion of the inner circumferential surface. Furthermore, the invention regards a bearing assembly.Type: ApplicationFiled: September 2, 2013Publication date: August 27, 2015Inventors: Hans Wendeberg, Håkan Leander
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Publication number: 20150219076Abstract: A wind turbine rotor shaft arrangement comprising a rotor shaft, a first support structure for supporting the rotor shaft, and a first rolling bearing arranged to support the rotor shaft in relation to the first support structure. The first rolling bearing comprises an inner ring, an outer ring, a set of rolling elements, and an attachment portion for securing the inner ring. The attachment portion comprises an radially outer support surface, wherein the radially outer support surface of the attachment portion is expanded radially outwards for securing the inner ring by an expansion member being driven into the attachment portion. A method for manufacturing a wind turbine rotor shaft arrangement.Type: ApplicationFiled: August 19, 2013Publication date: August 6, 2015Inventors: Hans Wendeberg, Håkan Leander
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Publication number: 20150139583Abstract: A bearing unit for a fluid machinery application having a double-row bearing, the double-row bearing comprising: a first angular self-aligning contact bearing arranged next to a second angular self-aligning contact bearing for locating and rotatably support a shaft; each angular self-aligning contact bearing having a respective set of rolling elements formed of rollers arranged in a row and interposed between an associated curved inner raceway and a curved outer raceway. Each roller is a symmetrical cylindrically shaped roller having a curved raceway-contacting surface engaging with the curved inner and outer raceways. Each roller is inclined in relation to the axial direction of the shaft by a respective first or second contact angle. The rollers are arranged to cooperate with the associated curved inner and raceways for supporting an axial force and a radial force. Examples of fluid machinery applications include: wind turbine, water turbine or propulsion turbine arrangements.Type: ApplicationFiled: November 7, 2014Publication date: May 21, 2015Applicant: Aktiebolaget SKFInventors: Jonas KULLIN, Juergen REICHERT, Hans WENDEBERG
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Publication number: 20150125104Abstract: A bearing arrangement for a fluid machinery application employing an axially locating bearing. The axially locating bearing includes: a first angular self-aligning contact bearing arranged next to a second angular self-aligning contact bearing. Each of the first angular self-aligning contact bearing and the second angular self-aligning contact bearing includes a set of rolling elements arranged in a row and interposed between a respective curved inner raceway and an associated curved outer raceway. Each roller is a symmetrical cylindrically-shaped roller having a curved raceway-contacting surface. Each roller is inclined respective to the axial direction of the shaft by a respective contact angle. The rollers support an axial force and a radial force. The axially non-locating bearing position is arranged spaced apart from the axially locating bearing position, as seen in the axial direction. Examples of fluid machinery applications include: a wind turbine, water turbine or a propulsion turbine.Type: ApplicationFiled: November 7, 2014Publication date: May 7, 2015Applicant: AKTIEBOLAGET SKFInventors: Jonas KULLIN, Juergen REICHERT, Hans WENDEBERG
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Publication number: 20150098671Abstract: A toroidal roller bearing, which comprises an outer ring, an inner ring and a plurality of roller elements interposed between the outer and inner rings, wherein the toroidal roller bearing allows for angular and axial displacement between the outer ring and the inner ring. The bearing includes a cage for holding the roller elements, wherein the cage provides an axial guiding feature for axially guiding the roller elements against at least one of the outer ring, inner ring and a separate element located outside the toroidal roller bearing.Type: ApplicationFiled: April 17, 2013Publication date: April 9, 2015Inventors: Hans Wendeberg, Linus Efraimsson