Patents Assigned to Wittenstein SE
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Patent number: 10267404Abstract: Gearing (1), in particular coaxial gearing or linear gearing, having a toothing (5), a tooth carrier (11) in which there is received a multiplicity of teeth (7) for engagement with the toothing, wherein the teeth (7) are mounted so as to be radially displaceable relative to the tooth carrier (11), a cam disk (20) for the radial drive of the radially displaceably mounted teeth (7), wherein the cam disk (20) has two encircling rims, between which there is arranged a raceway, rolling bodies (23) which are arranged on the running surface between the rims, and a multiplicity of pivot segments (24) which are arranged in encircling fashion on the rolling bearing bodies and which lie in each case by way of a rolling bearing surface against the rolling bodies (23), wherein, on both sides of the rolling bearing surface, there is arranged in each case one rim bearing surface, wherein the two rim bearing surfaces lie at least partially against the rims.Type: GrantFiled: April 7, 2016Date of Patent: April 23, 2019Assignee: Wittenstein SEInventors: Heiko Schreiber, Michael Schmidt
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Patent number: 10100913Abstract: Disclosed herein is a transmission having a tooth holder for holding teeth of a toothed ring, said teeth being arranged around an axis of rotation of the transmission, wherein the teeth are arranged in the tooth holder in such a way as to be movable and to be guided in a radial direction. The transmission furthermore has a drive element, which is rotatable about the axis of rotation, for driving the teeth in a radial direction, wherein the drive element has a cam contour with lobes in a radial direction. Swivel segments are arranged between the teeth and the drive element. A thrust washer is arranged in the tooth holder, at least on one side in an axial direction of the swivel segments. A method for producing a transmission according to the embodiments described herein is furthermore described.Type: GrantFiled: April 8, 2016Date of Patent: October 16, 2018Assignee: WITTENSTEIN SEInventors: Heiko Schreiber, Michael Schmidt, Thomas Bayer
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Publication number: 20180209530Abstract: Gear mechanism (1), in particular coaxial gear mechanism, having an internal gear (3) with an inwardly directed toothing (5), a tooth carrier (11) which is arranged coaxially with respect to the internal gear and in which a multiplicity of teeth (7) for engaging with the toothing (5) are accommodated, wherein the teeth (7) are mounted radially displaceably in the tooth carrier (11), a drive element with a profiling (22) for radially driving the radially displaceably mounted teeth (7), wherein the profiling (22) has, over its circumference, at least two elevations, wherein the gear mechanism is constructed such that there is a positive transmission ratio between a drive via the drive element and an output via the tooth carrier (11).Type: ApplicationFiled: January 26, 2018Publication date: July 26, 2018Applicant: WITTENSTEIN SEInventor: Heiko Schreiber
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Patent number: 10027214Abstract: Oscillating drive (1), in particular for driving an output shaft (30) in a rotationally oscillating fashion, having an electric machine which comprises: a rotor (3) which can oscillate about a rotational axis (10) and which comprises a multiplicity of permanent magnet poles (5-8), a stator which comprises a circular winding (12) which is concentric with respect to the rotational axis.Type: GrantFiled: January 6, 2015Date of Patent: July 17, 2018Assignee: Wittenstein SEInventor: Ingolf Gröning
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Patent number: 9943345Abstract: Mechanotronic implant for use in the human body, with a first element, a second element, a drive unit, which is connected in fixed manner to the first element, wherein the drive unit contains an output unit which is connected to the second element in order to move the second element relative to the first element, an implantable energy receiver connected to the drive unit for wireless powering of the drive unit with energy, and a switch in order to switch the drive unit from a first operating direction to a second operating direction.Type: GrantFiled: June 16, 2016Date of Patent: April 17, 2018Assignee: WITTENSTEIN SEInventors: Eduard Nill, Jan Friedmann
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Patent number: 9906046Abstract: Method for wirelessly transmitting energy from a primary device (1) to an implantable secondary device (2), wherein the primary device includes a primary coil (11) and the secondary device (2) includes a secondary coil (12) for electromagnetic interaction with the primary coil (11), with a control process which includes: measuring a primary current flowing through the primary coil (11) and a primary voltage applied to the primary coil, calculating a secondary current of the secondary coil (12) and a secondary voltage of the secondary coil (12) on the basis of the measured primary current and the measured primary voltage, comparing the calculated secondary current with a desired secondary current and/or the calculated secondary voltage with a desired secondary voltage, predefining a desired primary current and a desired primary voltage on the basis of the comparison, and operating the primary coil with the desired primary voltage and the desired primary current in order to transmit energy to the secondary coilType: GrantFiled: August 11, 2014Date of Patent: February 27, 2018Assignee: Wittenstein SEInventor: Jan Friedmann
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Patent number: 9820562Abstract: Toothed rack brush for cleaning a toothed rack of a toothed rack gear, with a toothed rack, a brush head with a plurality of bristles, which is rotationally arranged about a rotational axis, aligned in parallel to the toothed rack in order to carry out a rotational movement and is arranged in a linearly moveable manner to carry out a relative longitudinal movement relative to the toothed rack, a synchronization device for synchronizing the rotational movement with the longitudinal movement.Type: GrantFiled: June 12, 2015Date of Patent: November 21, 2017Assignee: WITTENSTEIN SEInventor: Axel Wörner
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Patent number: 9768648Abstract: Rotor, in particular permanent magnet rotor, for an electric machine, having a magnet support, a plurality of magnets which are arranged on the magnet support, and a rotor core which is arranged between a shaft and the magnet support, wherein the rotor core comprises plastic.Type: GrantFiled: February 25, 2014Date of Patent: September 19, 2017Assignee: Wittenstein SEInventor: Daniel Fehn
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Publication number: 20170252143Abstract: Receiver (1), in particular an implantable receiver (1) for transmitting energy to an implant, with a multi-layer circuit board comprising a plurality of electrically conductive layers (11-16), wherein the circuit board comprises an outer coil area and a multi-layer inner area enclosed by the coil area, a coil which is integrally incorporated at least partially in the layers (11-16) of the circuit board in the coil area, wherein the number of the layers (11-16) of the circuit board is smaller within this inner area than in the coil area.Type: ApplicationFiled: March 7, 2017Publication date: September 7, 2017Applicant: Wittenstein SEInventors: Michael Matthes, Sebastian Hammel
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Patent number: 9735638Abstract: A rotor, in particular a permanent magnet rotor, for an electrical machine, with a magnet carrier arranged concentrically with an axis of the rotor, wherein the magnet carrier has protrusions on its outer face, a number of magnets arranged on the outer face of the magnet carrier, which are arranged in the peripheral direction of the magnet carrier side-by-side and spaced apart from one another on the magnet carrier, wherein the magnets in each case are arranged between the protrusions, and plastic, which in each case is arranged between the magnets and at least partially encloses the protrusions.Type: GrantFiled: January 30, 2014Date of Patent: August 15, 2017Assignee: WITTENSTEIN SEInventors: Christian Herz, Ingolf Gröning, Kay-Horst Dempewolf
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Publication number: 20170138457Abstract: Gear mechanism (1), in particular coaxial gear mechanism or linear gear mechanism, having a toothing system (40), a tooth carrier with radially oriented guides, teeth (25, 27) which are received in the guides for engagement with the toothing system, the teeth (25, 27) being mounted in the guides such that they can be displaced radially relative to the tooth carrier in the direction of their longitudinal axis, a cam disk (3) for radially driving the teeth (25, 27), the cam disk having a circumferential profiling, rolling bodies (15, 17) which are arranged on the profiling, and a plurality of pivoting segments (19) for mounting the teeth (25, 27), the pivoting segments being arranged on the rolling bodies (15, 17), the rolling bodies (15, 17) being arranged on the profiling in at least two rolling body rows which are parallel in the circulating direction of the cam disk.Type: ApplicationFiled: November 11, 2016Publication date: May 18, 2017Applicant: Wittenstein SEInventors: Heiko Schreiber, Michael Schmidt
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Publication number: 20170138456Abstract: Gear mechanism, in particular coaxial gear mechanism or linear gear mechanism, having a toothing system, a tooth carrier with radially oriented guides, teeth which are received in the guides for engagement with the toothing system, the teeth being mounted in the guides such that they can be displaced radially relative to the tooth carrier in the direction of their longitudinal axis, a cam disk for radially driving the teeth, the tooth carrier comprising a first tooth carrier part and a second tooth carrier part.Type: ApplicationFiled: November 11, 2016Publication date: May 18, 2017Applicant: Wittenstein SEInventors: Wilhelm Dorner, Michael Lesch, Andreas Kümmeth, Frank Michel, Heiko Schreiber, Thomas Wilhelm
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Patent number: D795934Type: GrantFiled: July 19, 2016Date of Patent: August 29, 2017Assignee: Wittenstein SEInventor: Siegfried Ebner
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Patent number: D797173Type: GrantFiled: February 24, 2016Date of Patent: September 12, 2017Assignee: Wittenstein SEInventor: Siegfried Ebner
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Patent number: D798928Type: GrantFiled: July 19, 2016Date of Patent: October 3, 2017Assignee: Wittenstein SEInventor: Siegfried Ebner
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Patent number: D808451Type: GrantFiled: October 26, 2016Date of Patent: January 23, 2018Assignee: Wittenstein SEInventor: Siegfried Ebner
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Patent number: D809039Type: GrantFiled: April 26, 2017Date of Patent: January 30, 2018Assignee: Wittenstein SEInventor: Siegfried Ebner
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Patent number: D821315Type: GrantFiled: May 29, 2015Date of Patent: June 26, 2018Assignee: Wittenstein SEInventor: Siegfried Ebner
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Patent number: D821470Type: GrantFiled: February 24, 2016Date of Patent: June 26, 2018Assignee: Wittenstein SEInventor: Siegfried Ebner
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Patent number: D854498Type: GrantFiled: August 16, 2016Date of Patent: July 23, 2019Assignee: Wittenstein SEInventor: Siegfried Ebner