Patents Assigned to FLENDER GMBH
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Patent number: 11873796Abstract: A planetary gearbox for a wind power installation includes a planetary carrier having a first and second carrier cheeks, planetary gears mounted rotatably on the first and second carrier cheeks via bearing pins, respectively, an internal gear meshing with the planetary gears, with an assembly clearance being configured between a cheek external diameter of the first and second carrier cheeks and an internal diameter of the internal gear, and a planetary carrier spider configured to position the first and second carrier cheeks at a defined spacing with respect to one another. The planetary carrier spider has a radially outwardly pointing outer side which extends at a greater spaced-apart relation radially inward from a radially inner tip circle radius of an internal toothing system of the internal gear than the first and second carrier cheeks and which is arranged radially outside with respect to an internal diameter of the planetary gears.Type: GrantFiled: September 4, 2020Date of Patent: January 16, 2024Assignee: FLENDER GMBHInventors: Katrin Dietz, Pascal Hessling, Tim Vossschmidt
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Patent number: 11852190Abstract: A plain bearing bush includes a cylindrical main body having a first shell surface and a second shell surface. The first and second shell surfaces include a plurality of exchange bores for a lubricant. At least one of the exchange bores has a first diameter on the first shell surface and a second diameter on the second shell surface, with the second diameter being greater than the first diameter for an increase in a load-bearing capability of the plain bearing bush. Two of the exchange bores are arranged in axial spaced-apart relation and connected to one another by a pocket depression.Type: GrantFiled: September 20, 2021Date of Patent: December 26, 2023Assignee: Flender GmbHInventors: Philipp Leuer, Robert Prusak, Eugen Schlegel
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Publication number: 20230392579Abstract: A generator-gearbox arrangement for a wind turbine includes a generator having a stator and a rotor interacting with one another, a functional component arranged on an end side of the generator and including an extension which points toward the rotor, and a magnetic rail brake arrangement including component parts fastened to the extension. The magnetic rail brake arrangement is designed to apply a braking action which is based on an operating principle of electromagnetic attraction between the magnetic rail brake arrangement and at least one of the rotor and the functional component.Type: ApplicationFiled: November 26, 2021Publication date: December 7, 2023Applicant: Flender GmbHInventor: ANDREAS JÖCKEL
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Publication number: 20230369950Abstract: A device for deflecting a coil includes a preformed body including a first portion configured as a circular arc to rest on the coil for bending, and a second portion adjoining the first portion and configured as a chord to rest on the coil for bending, wherein the first portion and the second portion are interchangeable.Type: ApplicationFiled: September 23, 2021Publication date: November 16, 2023Applicant: Flender GmbHInventors: NORBERT SCHÖNBAUER, Tobias STRASSINGER, Claus TERINGL, Michael WINKLHOFER
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Publication number: 20230369941Abstract: An electric machine includes a hollow-cylindrical stator and at least two receiving elements, each receiving element at least partially enclosing the stator in a circumferential direction along an inner coverage length and conjointly connected to the stator in the circumferential direction along an inner fastening length. A stator housing is conjointly connected to the receiving elements in the circumferential direction along the outer fastening length. The inner fastening length extends at most along 120° in the circumferential direction, and the outer fastening length extends at most along 200° in the circumferential direction.Type: ApplicationFiled: November 2, 2021Publication date: November 16, 2023Applicant: Flender GmbHInventors: Daniel Friedl, THOMAS GARHAMMER, ROBERT GRUBER, MESAROS AKOS KECELI, OLIVER MEMMINGER, GÜNTHER ORTMEIER, KLAUS SCHIFFERER, LASLO TOLDI, ANATOLI VOGEL
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Publication number: 20230366437Abstract: A coupling for attaching a transmission to a drive shaft includes a circumferential intermediate piece including a drive-side flange, an output-side flange which is axially connected fixedly to the drive-side flange, and longitudinal webs connecting the drive-side flange to the output-side flange and configured in one piece with the drive-side flange and with the output-side flange. Each longitudinal web is configured in one piece or in two pieces.Type: ApplicationFiled: August 27, 2021Publication date: November 16, 2023Applicant: Flender GmbHInventors: DANIEL FLASWINKEL, ANDRE JANSEN
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Publication number: 20230353002Abstract: A surface insulating material includes three or more individual layers that are stacked on top of one another. The surface insulating material has a longitudinal extent, a transverse extent and a radial extent, in such a way that the individual layers have different dimensions at least in the transverse extent.Type: ApplicationFiled: May 17, 2021Publication date: November 2, 2023Applicant: Flender GmbHInventors: Artur Deutsch, NORBERT SCHÖNBAUER, MICHAEL WEGER
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Publication number: 20230340943Abstract: A rotor shaft assembly for a torque-transmitting connection of a gearbox unit to a generator unit includes an output shaft for the gearbox unit, a rotor shaft for the generator unit, and a curved tooth coupling designed to connect the output shaft and the rotor shaft to one another The curved tooth coupling includes a releasably fastened supporting element designed to axially position the curved tooth coupling and including a mating face to support an axial force of the curved tooth coupling, with the mating face being designed to slide on a corresponding support face of the output shaft or of the rotor shaft when the output shaft is tilted relative to the rotor shaft.Type: ApplicationFiled: July 13, 2021Publication date: October 26, 2023Applicant: Flender GmbHInventor: Ralf Martin Dinter
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Patent number: 11799257Abstract: A slip ring, in particular for use in a wind turbine, includes an axle extending in an axial direction and a contact region having a contact surface on a peripheral surface of the contact region and a recess extending in a tangential circumferential direction along the peripheral surface. The contact region includes an axial end face formed with an opening which communicates with the recess. The contact region includes three essentially cylindrical segments which define two covering segments and an intermediate segment arranged in a center between the two covering segment. Each of the two covering segments defines a radius which is larger than a radius of the intermediate segment so that a peripheral surface of the intermediate segment forms an underside of the recess. An insulating region is arranged adjacent to the contact region on the axle.Type: GrantFiled: July 17, 2019Date of Patent: October 24, 2023Assignee: Flender GmbHInventors: Herbert Binder, Robert Gruber, Oliver Memminger, Roman Svach
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Publication number: 20230318410Abstract: A dynamo-electric rotary machine includes a rotor defining an axis, a stator, and a can designed for arrangement in an air gap between the rotor and the stator in order to seal the stator and the rotor in relation to each other. The can has at least one section of average electrical conductivity in a range from 1 S/m to 10000 S/m in an axial and/or a tangential direction. The can is electrically conductively incorporated in an earthing system of the dynamo-electric machine.Type: ApplicationFiled: September 2, 2021Publication date: October 5, 2023Applicant: Flender GmbHInventors: ANDREAS JÖCKEL, ROLAND ZEICHFÜSSL
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Patent number: 11777345Abstract: A stator of a directly driven wind power generator includes a stator support including flanges with bores and stator segments positioned on the flanges, when viewed in a circumferential direction. Each stator segment includes a segment support having recesses. At least two securing devices for each of the stator segments secure the stator segment to the flanges. Each securing device includes a bore part insertable in a corresponding one of the recesses, a shim, and an alignment pin insertable in a corresponding one of the bores of the flanges, so that the stator segment is positioned and secured vertically via the bore part and the alignment pin and via the shim to thereby realize a uniform air gap between the stator and a rotor of the wind power generator.Type: GrantFiled: January 28, 2020Date of Patent: October 3, 2023Assignee: Flender GmbHInventors: Attila Koeszegi, Andreas Lindmeier, Dominik Ratzisberger, Franz Xaver Michael Schober, Christoph Schwarzbauer, Lei Yue
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Publication number: 20230304531Abstract: A plain bearing bush includes a cylindrical main body having a first shell surface and a second shell surface. The first and second shell surfaces include a plurality of exchange bores for a lubricant. At least one of the exchange bores has a first diameter on the first shell surface and a second diameter on the second shell surface, with the second diameter being greater than the first diameter for an increase in a load-bearing capability of the plain bearing bush. Two of the exchange bores are arranged in axial spaced-apart relation and connected to one another by a pocket depression.Type: ApplicationFiled: September 20, 2021Publication date: September 28, 2023Applicant: Flender GmbHInventors: Philipp Leuer, ROBERT PRUSAK, EUGEN SCHLEGEL
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Publication number: 20230304475Abstract: A transmission includes a shaft-hub connection designed as a serration and having an axial extent along a shaft axis, and an oil supply line to the serration in order to lubricate a relative movement in the serration between a shaft side and a hub side of the shaft-hub connection. The oil supply line is designed to open from radially inward directly into a cavity on the serration to enable supply of oil to the serration at an oil pressure that prevails in the cavity.Type: ApplicationFiled: August 9, 2021Publication date: September 28, 2023Applicant: Flender GmbhInventors: KATRIN DIETZ, PASCAL HESSLING, TIM VOSSSCHMIDT
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Publication number: 20230304538Abstract: A coupling includes a claw part and an intermediate piece. The intermediate piece includes a tube piece produced from aluminum or from an aluminum alloy, and a buffer part received in an end region of the tube piece and including elastic damping elements for receiving the claw part. The damping elements are surrounded by the end region radially at an outside in a circumferential direction. The buffer part includes a part which is different from the damping elements and is produced from a material of a brittleness which is greater than a brittleness of the tube piece.Type: ApplicationFiled: September 17, 2021Publication date: September 28, 2023Applicant: Flender GmbHInventors: STEFAN KLEINEWEGEN, MICHAEL TE UHLE
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Publication number: 20230296169Abstract: A planetary gearbox includes a first planetary stage with a component, a sun gear, and a planet gear meshing with the sun gear via a toothing system, a second planetary stage, and a lubricant transfer device arranged between the first planetary stage and the second planetary stage. The lubricant transfer device includes a discharge component arranged in a co-rotating manner on a component of the second planetary stage, and a receiving component designed to receive lubricant and arranged in a co-rotating manner on the component of the first planetary stage. A lubricant conduit communicates with the lubricant transfer device and is configured to extend over an entire axial extent of a tooth engagement region of the sun gear of the first planetary stage radially within the toothing system of the sun gear with the planet gear of the first planetary stage.Type: ApplicationFiled: August 12, 2021Publication date: September 21, 2023Applicant: Flender GmbHInventors: PASCAL HESSLING, MICHAEL VENNEMANN
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Patent number: 11754052Abstract: A sensor unit includes sensor constituent parts of various sensor devices and at least one printed circuit board that has voltage supply and signal transmission components for the sensor constituent parts and to which the sensor constituent parts are connected. The sensor unit has an annular base body that receives the sensor constituent parts and the at least one printed circuit board. A gear having such a sensor unit is also provided. A drive train having such a gear, a wind power installation having such a drive train, and an industrial application having such a gear are provided.Type: GrantFiled: August 27, 2020Date of Patent: September 12, 2023Assignee: FLENDER GMBHInventors: Julia Camminadi, Ricardo van Manen
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Publication number: 20230283121Abstract: A laminated-core segment includes a plurality of axially layered metal sheets. Each metal sheet includes a yoke having grooves, teeth, and a yoke rear which connects the teeth, with at least some of the teeth having axially aligned recesses on a groove distal side of the metal sheet.Type: ApplicationFiled: July 8, 2021Publication date: September 7, 2023Applicant: Flender GmbHInventors: Helmut Adlfinger, Andreas Lindmeier, Dominik Ratzisberger, Andreas Jöckel, Franz Xaver Michael Schober
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Patent number: 11731379Abstract: The invention is used to manufacture a drive belt. To this end, mould core (1) and outer mould (20) of a casting tool (G) are provided. In the case of mould core (1) inserted into the outer mould (20), a cavity (22) is formed in the casting tool (G). The mould core (1) or the outer mould (20) are provided with a geometry (2) to be represented on the drive belt. Said geometry has projections (3a, 3b) protruding from a base surface (8) and arranged spaced apart from one another, which have a head surface (7) and lateral surfaces (5, 6) which each delimit a gap (4) of the geometry (2) with in each case a base surface (8) present between two adjacent projections (3a, 3b). A textile layer (12) is laid on the geometry (2), which is supported on the head surfaces (7) and in each case extends with a section (13) over the gaps (4). A tension member (13) is laid on the textile layer (12) such that the textile layer (12) is fixed between the tension member (14) and the respective head surface (7).Type: GrantFiled: July 10, 2018Date of Patent: August 22, 2023Assignee: Walther Flender GmbHInventor: Andreas Scholzen
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Patent number: 11724382Abstract: The disclosure relates to a workpiece handling systems and workpiece storage devices for elongate workpieces of shaft-like form which are at least substantially rotationally symmetrical relative to their longitudinal axis and which have along their longitudinal axis at least one projection extending in the peripheral direction, which projection protrudes radially outwards relative to a workpiece region arranged immediately axially adjacent thereto. The workpiece storage device includes a base plate and a plurality of workpiece holders. The workpiece holders are fastened to the base plate and protrude upwards therefrom, and which define workpiece receiving surfaces.Type: GrantFiled: March 11, 2020Date of Patent: August 15, 2023Assignee: FLENDER GMBHInventors: Martin Demming, Norbert Liemann
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Patent number: D997875Type: GrantFiled: December 21, 2021Date of Patent: September 5, 2023Assignee: Flender GmbHInventors: Jens Kiesenbauer, Dirk Sieber, Uwe Kraemer