Patents Assigned to ZF Wind Power Antwerpen N.V.
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Patent number: 12180944Abstract: A control device for a gearbox which includes a mechanical pump and an electric pump, the mechanical pump having a first-stage displacement and a second-stage displacement, and the first-stage displacement being less than the second-stage displacement, the control device including a sensor module for detecting an oil pressure of a lubricating oil of the gearbox and a mechanical pump control module for, when the oil pressure is above an oil pressure threshold, controlling the mechanical pump to operate at the first-stage displacement, and when the oil pressure is below the oil pressure threshold, controlling the mechanical pump to operate at the second-stage displacement.Type: GrantFiled: August 29, 2022Date of Patent: December 31, 2024Assignees: ZF WIND POWER (TIANJIN) CO., LTD., ZF WIND POWER ANTWERPEN N.V.Inventor: Fuliang Wang
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Patent number: 12123405Abstract: An arrangement including a transmission, a feedthrough tube, and a fixing means is disclosed. A fixing means is disclosed whereby the feedthrough tube is fixed in the transmission. The fixing means includes an electrical non-conductor. Arrangements are disclosed in which the feedthrough tube is fixed axially and immovably in the fixing means.Type: GrantFiled: August 17, 2020Date of Patent: October 22, 2024Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V., VESTAS WIND SYSTEMS A/S'Inventors: Wim De Laet, Stijn Rottiers
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Patent number: 12104689Abstract: A control device for a gearbox which includes a mechanical pump and an electric pump, the control device including a sensor module configured to detect a system oil pressure of a lubricating oil of the gearbox, a differential, a clutch, a brake, and a control module. The differential includes an input bevel gear meshing with a bevel pinion of an output shaft of the gearbox, a differential housing connected to the input bevel gear, and a first half shaft and a second half shaft which are provided in the differential housing and mesh with a bevel pinion of the differential housing. The second half shaft is connected to an input of the mechanical pump. The brake includes a brake caliper, a brake disc, and a brake disc shaft fixedly connected to the brake disc. The brake disc shaft is fixedly connected to the first half shaft.Type: GrantFiled: August 29, 2022Date of Patent: October 1, 2024Assignees: ZF WIND POWER (TIANJIN) CO., LTD, .ZF WIND POWER ANTWERPEN N.V.Inventor: Fuliang Wang
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Patent number: 12098745Abstract: A unit includes a thrust washer having a first abutment and a second abutment. The thrust washer is configured to be moved, by rotation, between a first position in which the thrust washer abuts the first abutment and a second position in which the thrust washer abuts the second abutment. The first abutment and the second abutment are formed by at least one pin and at least one recess. The pin is configured to engage in the recesses, and the recess is designed as a groove that extends tangentially around an axis of rotation of a component that is rotatably mounted by way of the thrust washer.Type: GrantFiled: March 3, 2020Date of Patent: September 24, 2024Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventors: Wim De Laet, Andy Maes, Jan Aerts
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Patent number: 12025179Abstract: A thrust bearing includes two physically separate one-piece segments. At least one segment has a wedge-shaped surface serving as a sliding surface. An alternative thrust bearing includes precisely one segment of a one-piece design. The segment is interrupted along its course around an axis of rotation of the thrust bearing. The segment has a wedge-shaped surface serving as a sliding surface.Type: GrantFiled: March 5, 2020Date of Patent: July 2, 2024Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventors: Simon Vets, Koen Krieckemans, Nurhan Kavas, Robby Popowicz
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Patent number: 11933269Abstract: A torsion absorber is provided for attachment to a cylindrical section of a shaft. The torsion absorber includes a flywheel and at least one tensioner. The at least one tensioner is configured to brace a first segment and a second segment of the flywheel against the cylindrical section of the shaft.Type: GrantFiled: October 7, 2019Date of Patent: March 19, 2024Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventor: Bart Caers
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Patent number: 11913538Abstract: A wind turbine transmission including a first planetary stage and a second planetary stage, wherein a sun gear of the first planetary stage and a planet carrier of the second planetary stage are interconnected for conjoint rotation by means of a spline joint, the sun gear integrally forms an internal toothing, and a first web of the planet carrier or a sun shaft integrally connected to the first web integrally forms an external toothing of the spline joint.Type: GrantFiled: June 28, 2021Date of Patent: February 27, 2024Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventor: Warren Smook
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Patent number: 11767908Abstract: An arrangement includes a first component having a first groove and a second groove. The arrangement further includes a second component and a fluid transfer ring fixed to the second component. The fluid transfer ring engages with a first wall and a second wall in the first groove such that the fluid transfer ring and the first groove form a first cavity. The first component and the second component are rotatable relative to each other. The fluid transfer ring further engages with a third wall in the second groove such that the fluid transfer ring and the second groove form a second cavity.Type: GrantFiled: October 7, 2019Date of Patent: September 26, 2023Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventors: Stijn Rottiers, Wim De Laet
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Patent number: 11754168Abstract: An arrangement including a transmission housing forming a lubricant sump and a pipeline including a first piece and a second piece. The first piece and the second piece of the pipeline respectively open into the lubricant sump. The first piece and the second piece of the pipeline are inserted into one another.Type: GrantFiled: October 24, 2019Date of Patent: September 12, 2023Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventors: Wim De Laet, Stijn Rottiers, Kris Adriaensen, Richard Cordes
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Patent number: 11635104Abstract: A fastener for a transmission part includes a main body. The main body has at least one external screw thread and at least one through-hole. The fastener further includes a first pin displaceable in a first region of the through-hole and a second pin having an external screw thread. A second region of the through-hole has at least one internal screw thread configured to be screwed to the external screw thread of the second pin. The second pin has a through-hole. The first pin has an internal screw thread aligned with the through-hole of the second pin.Type: GrantFiled: August 18, 2020Date of Patent: April 25, 2023Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventors: Wim De Laet, Jan Aerts, Dominiek Ceyssens
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Patent number: 11608885Abstract: An arrangement includes a planet carrier. The planet carrier includes a web, a journal and a bushing. A first end of the journal is fixed in the web, at least a part of the journal projects into the bushing, and a second end of the journal is fixed in the bushing. The planet carrier further includes a stiffening element, an annular support ring, and a cap placed onto a first axial end of the bushing. An axis of symmetry of the annular support ring coincides with a center axis or axis of rotation of the planet carrier. The stiffening element is fixed in the bushing and in the support ring. The bushing and the stiffening element are connected to each other as two pieces. The stiffening element is joined to the cap.Type: GrantFiled: March 5, 2020Date of Patent: March 21, 2023Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventor: Sven Moers
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Patent number: 11519458Abstract: A method for monitoring a condition of a sliding bearing operated with lubricating oil for a rotating component includes calculating, by a control unit as an output variable of a sliding bearing model, a calculated value of a minimum gap thickness of the sliding bearing. The calculated value is calculated by orbit analysis from at least one physical sliding bearing model to which at least a rotational speed of the rotating component, a bearing load, and a temperature of the sliding bearing are supplied as input variables. The method further includes measuring, with at least one sensor, a minimum gap thickness to provide a measured value of the minimum gap thickness, and comparing the measured value of the minimum gap thickness with the calculated value of the minimum gap thickness for the purpose of adjustment.Type: GrantFiled: November 22, 2018Date of Patent: December 6, 2022Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventors: Daniel Wolf, Umit Kutluay, Luk Geens, Johannes Schaefer, Georg Tenckhoff
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Patent number: 11493124Abstract: A transmission includes at least one planetary gear stage with a planet carrier having a first toothing. The transmission further includes at least one lubricant line having a first outlet opening and a second outlet opening. The first toothing, together with a second toothing, forms a spline. The first outlet opening is configured to lubricate the spline, and the second outlet opening is configured to lubricate a sun gear of the planetary gear stage.Type: GrantFiled: October 7, 2019Date of Patent: November 8, 2022Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventors: Wim De Laet, Pieter Uytterhoeven, Maarten Gernaey
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Patent number: 11441643Abstract: A gear assembly includes a planetary gear set having a sun gear, planet gears, and a ring gear. The planet gears are respectively rotatably mounted by a bearing on a respective planetary pin. The respective planetary pin is connected to a planetary carrier. Tilting pads arranged radially circumferentially with respect to the planetary pin are provided on sides of the planetary carrier facing the planet gears. The planetary carrier has, on sides facing the planet gears, recesses arranged radially circumferentially with respect to the planetary pin and corresponding to the tilting pads. The recesses are configured to receive at least part of the tilting pads.Type: GrantFiled: March 28, 2018Date of Patent: September 13, 2022Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventors: Umit Kutluay, Koen Krieckemans, Yvan Berkmans, Michel Goovaerts, Roger Bogaert, Maarten Ooms
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Patent number: 11384742Abstract: A torque bracket arrangement for a wind power gearbox for transmitting a supporting force to a support structure of a wind power plant includes at least one radial support arm having an associated opening configured to receive a horizontal support pin. The at least one radial support arm is provided on a gearbox side and is configured to establish a detachable connection to at least one corresponding opening of a support eyelet unit arranged on the support structure. The at least one corresponding opening of the support eyelet unit includes an elastomer bearing bush into which the horizontal support pin is configured to be inserted. The elastomer bearing bush has differing rigidities depending on the load. The elastomer bearing bush consists of at least one soft region of low rigidity and at least one comparatively harder region of greater rigidity.Type: GrantFiled: November 7, 2018Date of Patent: July 12, 2022Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventor: Frederik Vanhollebeke
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Patent number: 11293542Abstract: A transmission housing includes a first housing half forming a first sealing surface and a first lubricant line, and a second housing half forming a second sealing surface and a second lubricant line. The first sealing surface and the second sealing surface seal an internal space in relation to an environment. An opening of the first lubricant line and an opening of the second lubricant line are fluidically connected to one another. The first sealing surface has a first groove and the second sealing surface has a second groove. The first groove and the second groove together form a third lubricant line. The third lubricant line runs between the opening of the first lubricant line into the first sealing surface and the environment of the transmission housing and between the opening of the second lubricant line into the second sealing surface and the environment of the transmission housing.Type: GrantFiled: January 26, 2017Date of Patent: April 5, 2022Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventors: Ralf Sperlich, Dirk Strasser, Joerg Muench
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Patent number: 11280399Abstract: A planet pin includes a center axis and an outer contour that runs at a distance r(x) from the center axis. The distance r(x) is dependent on an axial position x in at least one longitudinal portion. For at least one axial position interval [x1, x2], the distance r(x), for all x?[x1, x2], of the outer contour from the center axis is r(x)=l(x)+g(x)+o(x), where l(x) is a linear function, g is constantly zero or convex on the interval [x1, x2], and o(x0)=0 applies for at least one x0?]x1, x2[. The function o is concave on the interval [x1, x0], convex on the interval [x0, x2], and decreasing in x0.Type: GrantFiled: June 3, 2019Date of Patent: March 22, 2022Assignees: ZF FRIEDRICHSHAFEN AG, ZF WIND POWER ANTWERPEN N.V.Inventor: Dirk Leimann
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Patent number: 11092230Abstract: An arrangement includes a first oil line, a second oil line, a third oil line, a cavity, and a plate having a continuous first hole and a continuous second hole. The first oil line, the second oil line and the third oil line each have a mouth in the cavity. The plate is arranged in the cavity in such a way that it covers the mouths of the second oil line and the third oil line. The first hole connects the second oil line and the cavity to each other in a fluid-conducting manner. The second hole connects the third oil line and the cavity to each other in a fluid-conducting manner.Type: GrantFiled: August 29, 2018Date of Patent: August 17, 2021Assignees: ZF Friedrichshafen AG, ZF Wind Power Antwerpen N.V.Inventors: Wim De Laet, Bart Geudens, Pieter-Jan Francis
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Patent number: 11073193Abstract: A planetary carrier includes a first cheek, a second cheek, at least one pin, and at least one bushing. A first axial end of the pin is fixed in the first cheek, and a first axial end of the bushing is fixed in the second cheek. At least a portion of the pin protrudes into the bushing, and a second axial end of the pin is fixed in the bushing. A second axial end of the bushing is free-floating, and the bushing forms at least a first cavity and a second cavity. The portion of the pin that protrudes into the bushing protrudes into the first cavity. The bushing forms a wall that separates the first cavity and the second cavity from each other and at least one stiffening rib extends through the second cavity.Type: GrantFiled: October 26, 2018Date of Patent: July 27, 2021Assignees: ZF Friedrichshafen AG, ZF Wind Power Antwerpen N.V.Inventor: Warren Smook
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Patent number: 10995822Abstract: A series of transmissions includes a first transmission, a second transmission, a third transmission, and a fourth transmission. Each of the first, second, third and fourth transmissions has a first planetary stage and a second planetary stage. The first planetary stage and the second planetary stage in each case have an internal gear, a sun gear, a planetary carrier, and one or more planetary gears. The planetary carriers of the first planetary stages of the first transmission and of the second transmission are structurally identical. The planetary carriers of the first planetary stages of the third transmission and of the fourth transmission are structurally identical. A width of teeth of the planetary gears of the first planetary stage of the first transmission is smaller than a width of teeth of the planetary gears of the first planetary stage of the second transmission.Type: GrantFiled: January 30, 2018Date of Patent: May 4, 2021Assignees: ZF Friedrichshafen AG, ZF Wind Power Antwerpen N.V.Inventor: Warren Smook