Patents by Inventor Alexander Kari
Alexander Kari 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: 9784245Abstract: The invention relates to a wind turbine gearbox (1) having at least one gearwheel (2) which is mounted on an axle (5), wherein a bearing point with a plain bearing (4) is arranged between the gearwheel (2) and the axle (5), and wherein, in the axle (5), there is formed a recess for the supply of a lubricant to the plain bearing (4). In the region of a contact surface of the plain bearing (4), a groove (18) is formed in the gearwheel (2) or an intermediate space (7) is formed between the plain bearings (4), which groove or intermediate space is connected via at least one connecting line (16) to the surrounding atmosphere.Type: GrantFiled: January 27, 2014Date of Patent: October 10, 2017Assignee: Miba Gleitlager Austria GmbHInventors: Gunther Hager, Johannes Sebastian Hoelzl, Alexander Kari
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Patent number: 9683602Abstract: The invention relates to a slide bearing set (4), comprising a slide bearing combination consisting of a radial bearing (6) with a radial bearing slide surface (7) and comprising a first axial bearing (8) with an axial bearing slide surface (9), wherein the first axial bearing (8) is arranged next to the radial bearing (6) in an axial direction (10), and with a lubricant supply device, which comprises a supply line (20) for a lubricant to the radial bearing slide surface (7) of the radial bearing (6). At least one first transversal groove (22) is disposed in the radial bearing (6) such that at least one part of the lubricant is deviated towards the first axial bearing (8) and the first axial bearing (8) can be supplied with the lubricant solely via the radial bearing (6).Type: GrantFiled: January 27, 2014Date of Patent: June 20, 2017Assignee: Miba Gleitlager Austria GmbHInventors: Gunther Hager, Johannes Sebastian Hoelzl, Alexander Kari
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Patent number: 9458880Abstract: The invention relates to a bearing element (7) for supporting the rotor hub (4) of a wind turbine (1), comprising at least one inner ring element (10, 40) and at least one outer ring element (11, 41), wherein a plain bearing is formed between the inner ring element (10, 40) and the outer ring element (11, 41), and wherein the plain bearing is formed by at least two plain bearings (8, 9, 38, 39) arranged at an axial distance (44) from one other.Type: GrantFiled: April 14, 2011Date of Patent: October 4, 2016Assignee: Miba Gleitlager Austria GmbHInventors: Alexander Kari, Christian Forstner
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Patent number: 9419495Abstract: A wind turbine has a rotor and a generator. A planetary transmission is arranged between the rotor and the generator, the planetary transmission being operatively connected to the rotor and the generator. The planetary transmission has at least one planet gear, at least one planet pin, and a planet carrier, the planet gear being arranged on the planet pin. At least one sliding bearing is arranged between the planet pin and the planet carrier, and the planet gear is rotationally fixed to the planet pin.Type: GrantFiled: January 15, 2013Date of Patent: August 16, 2016Assignee: Miba Gleitlager GmbHInventor: Alexander Kari
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Publication number: 20150369284Abstract: The invention relates to a slide bearing set (4), comprising a slide bearing combination consisting of a radial bearing (6) with a radial bearing slide surface (7) and comprising a first axial bearing (8) with an axial bearing slide surface (9), wherein the first axial bearing (8) is arranged next to the radial bearing (6) in an axial direction (10), and with a lubricant supply device, which comprises a supply line (20) for a lubricant to the radial bearing slide surface (7) of the radial bearing (6). At least one first transversal groove (22) is disposed in the radial bearing (6) such that at least one part of the lubricant is deviated towards the first axial bearing (8) and the first axial bearing (8) can be supplied with the lubricant solely via the radial bearing (6).Type: ApplicationFiled: January 27, 2014Publication date: December 24, 2015Applicant: Miba Gleitlager GmbHInventors: Gunther HAGER, Johannes Sebastian HOELZL, Alexander KARI
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Publication number: 20150361962Abstract: The invention relates to a wind turbine gearbox (1) having at least one gearwheel (2) which is mounted on an axle (5), wherein a bearing point with a plain bearing (4) is arranged between the gearwheel (2) and the axle (5), and wherein, in the axle (5), there is formed a recess for the supply of a lubricant to the plain bearing (4). In the region of a contact surface of the plain bearing (4), a groove (18) is formed in the gearwheel (2) or an intermediate space (7) is formed between the plain bearings (4), which groove or intermediate space is connected via at least one connecting line (16) to the surrounding atmosphere.Type: ApplicationFiled: January 27, 2014Publication date: December 17, 2015Applicant: Miba Gleitlager GmbHInventors: Gunther HAGER, Johannes Sebastian HOELZL, Alexander KARI
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Publication number: 20140378261Abstract: A wind turbine has a rotor and a generator. A planetary transmission is arranged between the rotor and the generator, the planetary transmission being operatively connected to the rotor and the generator. The planetary transmission has at least one planet gear, at least one planet pin, and a planet carrier, the planet gear being arranged on the planet pin. At least one sliding bearing is arranged between the planet pin and the planet carrier, and the planet gear is rotationally fixed to the planet pin.Type: ApplicationFiled: January 15, 2013Publication date: December 25, 2014Applicant: MIBA GLEITLAGER GMBHInventor: Alexander Kari
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Patent number: 8840521Abstract: The invention relates to a gear train (1), in particular a planetary gear train, for a wind turbine comprising a plurality of gears, in particular planet gears (4), which are each supported on a shaft (8) by means of a bearing element, wherein the bearing element is a multi-layer plain bearing (7).Type: GrantFiled: April 14, 2011Date of Patent: September 23, 2014Assignee: Miba Gleitlager GmbHInventors: Alexander Kari, Christian Forstner
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Publication number: 20130071246Abstract: The invention relates to a bearing element (7) for supporting the rotor hub (4) of a wind turbine (1), comprising at least one inner ring element (10, 40) and at least one outer ring element (11, 41), wherein a plain bearing is formed between the inner ring element (10, 40) and the outer ring element (11, 41), and wherein the plain bearing is formed by at least two plain bearings (8, 9, 38, 39) arranged at an axial distance (44) from one other.Type: ApplicationFiled: April 14, 2011Publication date: March 21, 2013Applicant: Miba Gleitlager GmbHInventors: Alexander Kari, Christian Forstner
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Publication number: 20130053210Abstract: The invention relates to a gear train (1), in particular a planetary gear train, for a wind turbine comprising a plurality of gears, in particular planet gears (4), which are each supported on a shaft (8) by means of a bearing element, wherein the bearing element is a multi-layer plain bearing (7).Type: ApplicationFiled: April 14, 2011Publication date: February 28, 2013Applicant: MIBA GLEITLAGER GMBHInventors: Alexander Kari, Christian Forstner