Patents Assigned to Sew-Eurodrive GmbH & Co.
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Patent number: 11799388Abstract: A drive system includes a first converter and at least one second converter. The first converter has, inside its housing, a first rectifier whose DC-voltage-side terminal is connected, e.g., directly connected, to the DC-voltage-side terminal of a first inverter of the first converter. A first capacitance is connected in parallel with the DC-voltage-side terminal of the first inverter. The second converter, or each second converter, has, inside its housing, a second rectifier whose DC-voltage-side terminal is connected via inductivities, i.e., for example, restrictors, to the DC-voltage-side terminal of a second inverter of the second converter. A second capacitance is connected in parallel with the DC-voltage-side terminal of the second inverter, and the DC-voltage-side terminal of the first inverter is connected via first inductivities to the DC-voltage-side terminal of the second inverter.Type: GrantFiled: January 13, 2020Date of Patent: October 24, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventor: Maik Wacker
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Publication number: 20230337352Abstract: A printed circuit board (PCB) includes a top side for receiving electrical components, a bottom side for receiving a heat sink, electrically conductive layers, and electrically insulating insulation layers. A main insulation layer is arranged between the top and bottom sides. The main insulation layer completely electrically insulates electrically conductive layers arranged between the main insulation layer and the top side from electrically conductive layers arranged between the main insulation layer and the bottom side. Upper plated through-holes extend from an outer insulation layer adjacent the top side into an inner insulation layer adjacent the main insulation layer. Lower plated through-holes extend from the bottom side into a lower insulation layer adjacent the main insulation layer. A circuit arrangement includes the printed circuit board, electrical components fitted to the top side and connected to the PCB, and heat sink(s) fitted to the bottom side and connected to the PCB.Type: ApplicationFiled: September 2, 2021Publication date: October 19, 2023Applicant: SEW-EURODRIVE GMBH & CO. KGInventors: Jochen MAHLEIN, Leobald PODBIELSKI, Martin FILSINGER
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Publication number: 20230337104Abstract: In a method for data transmission between first and second subscribers of a wireless network in a technical system, the network has a plurality of subscribers, and individual communication links between respectively two subscribers of the wireless network are each assigned a characteristic value which describes a probability of correct data transmission via the respective communication link. A plurality of communication paths between the first subscriber and the second subscriber, each including at least one communication link between respectively two subscribers, are each assigned a characteristic value which describes a probability of correct data transmission via the respective communication path. At least one communication path for data transmission is selected depending on the characteristic values assigned to the communication paths. Data is transmitted between the first and second subscribers subscriber via the selected communication path.Type: ApplicationFiled: December 9, 2020Publication date: October 19, 2023Applicant: SEW-EURODRIVE GMBH & CO. KGInventors: Maja SLISKOVIC, Christian SAUER
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Patent number: 11789462Abstract: A system includes vehicles, a central control unit, and a stationary transceiver module connected to the central control unit via a bidirectional communications channel. Each has a transceiver module for bidirectional communication with the stationary transceiver module and/or a vehicle. The transceiver module has a controllable light source and a light sensor. The central control unit transmits driving orders to the vehicles via the stationary transceiver module. A first vehicle that is located within the spatial transmission area of the stationary transceiver module forwards a driving order to a second vehicle that is located outside the spatial transmission area of the stationary transceiver module, and the second vehicle transmits data via the first vehicle and the stationary transceiver module to the central control unit.Type: GrantFiled: November 18, 2021Date of Patent: October 17, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Josef Schmidt, Zhidong Hua, Thomas Schäfer
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Patent number: 11787277Abstract: A drive includes a rotatably mounted planet carrier, planet gears, a ring gear having internal teeth and external teeth, a rotatably mounted sun gear, and a first gear wheel meshing with the external teeth of the ring gear. The first gear wheel is connected in a rotationally fixed manner to the rotor shaft of a first electric motor, the drive has a second gear wheel meshing with a toothed part, the second gear wheel is connected in a rotationally fixed manner to the rotor shaft of a second electric motor, and the toothed part is connected in a rotationally fixed manner to the sun gear.Type: GrantFiled: July 23, 2020Date of Patent: October 17, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Klaus Schwesinger, Matthias Schneider
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Patent number: 11777434Abstract: In a method for operating a drive system, and drive system, having a rectifier and at least one inverter including an electric motor, the electric motor is connected at the AC-voltage-side connection of the inverter, the DC-voltage-side connection of the inverter is connected via inductance(s) in addition to the line inductance, to the DC-voltage-side connection of the rectifier, a capacitance is connected at the DC-voltage-side connection of the inverter and/or at the DC-voltage-side connection of the rectifier, a series circuit, including a resistor and a controllable semiconductor switch is connected at the DC-voltage-side connection of the inverter and/or at the DC-voltage-side connection of the rectifier, the braking chopper being operated using a single frequency during the particular time span in which the braking chopper is in operation, the frequency, e.g., being set apart from the resonant frequency of the resonant circuit including the inductance or the capacitances.Type: GrantFiled: July 19, 2019Date of Patent: October 3, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Maik Wacker, Marcel Stark
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Patent number: 11773934Abstract: In a carrier disk assembly for a brake assembly, and an electromagnetically actuable brake assembly with a carrier disk assembly, the carrier disk assembly has a hub part, two friction linings, and two disks. The disks are connected to the hub part, in particular with the aid of axially directed screws. Each one of the disks has a surface region provided with first depressions. A first friction lining is bonded and/or glued to the first disk in the surface region of the first of the two disks, and a second friction lining is bonded and/or glued to the second disk in the surface region of the second of the two disks.Type: GrantFiled: January 18, 2019Date of Patent: October 3, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Kerstin Hesse, Alex Bechthold, Christoph Ruhs, Steffen Essert, Martin Stober, Stefan Aschoff
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Patent number: 11774549Abstract: In a mobile part having at least one module, and a method for operating a mobile part, the mobile part is able to be moved on a driving surface, and the module includes a controllable illumination device. The illumination device is provided and/or situated in elongated form along a planar curve, in particular, a line.Type: GrantFiled: December 13, 2018Date of Patent: October 3, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Serdal Ayhan, Thomas Schäfer
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Patent number: 11767906Abstract: A transmission includes a housing, having lower and upper housing parts and bearing seats. A web is formed on the lower housing part between two bearing seats, which is pressed against a web provided on the upper housing part and between the bearing seats. When the housing parts are separated or pulled apart, a first web of one of the housing parts projects beyond a planar surface, which restricts the other webs thereof, or the webs of one of the housing parts are restricted by a planar separating surface, and except for a first web, the webs of the other housing part are also restricted by the planar separating surface and the first web projects beyond the separating surface when the housing parts are separated from each other. To form the housing, at least one of the housing parts is elastically deformed and/or preloaded.Type: GrantFiled: March 7, 2022Date of Patent: September 26, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Ermalt Lamaj, Mathias Müller, Peter Eller, Tobias Schwan
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Publication number: 20230299636Abstract: A drive includes an electric motor with a brake assembly. The electric motor has a rotor rotatably mounted via a first bearing and a second bearing and has a housing part. The first bearing has an inner ring and an outer ring, and the inner ring is received on the rotor, e.g., placed thereover, e.g., is positioned against a step or pressed against a catch that is positioned against a step formed on the rotor. The brake assembly has a magnetic body, e.g., made of a ferromagnetic material. The outer ring is received in the magnetic body of the brake assembly, e.g., is positioned against a step.Type: ApplicationFiled: May 19, 2021Publication date: September 21, 2023Applicant: SEW-EURODRIVE GMBH & CO. KGInventor: Klaus WILGING
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Publication number: 20230294935Abstract: A system for transporting goods, includes a transport container for holding goods, a driverless transport vehicle for transporting the transport container, and a transfer station, on which the transport container is positionable. The transport container includes a locking device, which is lockable to a first locking unit of the driverless transport vehicle, and to a second locking unit of the transfer station. In a method for transporting goods: the locking device of the transport container is locked to the first locking unit; the transport container is transported by the driverless transport vehicle to the transfer station; the locking device of the transport container is unlocked from the first locking unit; and the locking device of the transport container is locked to the second locking unit.Type: ApplicationFiled: September 30, 2020Publication date: September 21, 2023Applicant: SEW-EURODRIVE GMBH & CO. KGInventors: Maximilian WINTER, Friedrich LAGIER, Frank SCHÖNUNG, Josef SCHMIDT
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Publication number: 20230301007Abstract: In an electrical device, e.g., a converter or converter motor, having a cover part and signal electronics, the signal electronics have a first printed circuit board and a memory unit which is electrically plug connected to the first printed circuit board, e.g., by an electrical plug connection, and the memory unit has a switch unit, e.g., a selector switch and/or a DIP switch.Type: ApplicationFiled: January 25, 2021Publication date: September 21, 2023Applicant: SEW-EURODRIVE GMBH & CO. KGInventors: Ralph MAYER, Jan POLLEY
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Publication number: 20230296167Abstract: A gear unit includes a shaft, rotatably mounted via a first bearing, a housing part, and a cover connected to the housing part. The shaft has a threaded region onto which a nut is screwed, and a spacing sleeve and a disk are arranged between the nut and an inner ring of the spacing sleeve. The greatest outer diameter of the disk is greater than the greatest outer diameter of the spacing sleeve; the greatest radial distance of the disk relative to the rotational axis of the shaft is greater than the greatest radial distance of the spacing sleeve relative to the rotational axis of the shaft; and/or the radial spacing region covered by the disk and relative to the rotational axis of the shaft contains the radial spacing region covered by the spacing sleeve.Type: ApplicationFiled: June 9, 2021Publication date: September 21, 2023Applicant: SEW-EURODRIVE GMBH & CO. KGInventor: Zili WU
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Publication number: 20230287971Abstract: A gear unit includes a housing having a lower part and a cover part, e.g., fitted onto the lower part, and an output shaft and a driving shaft. The lower part includes a first support, a second support, a base plate, and side walls. Each side wall is connected, e.g., welded, the first and second supports. The first support is a closed annular structure, e.g., a closed ring. The second support is an open annular structure, e.g., an open ring. A first bearing, e.g., a double bearing, for rotatably supporting the output shaft is received in the base plate. A second bearing for rotatably supporting the output shaft is received in the bearing receiving part. The base plate is connected, e.g., welded, to the second support and to the bearing receiving part.Type: ApplicationFiled: June 9, 2021Publication date: September 14, 2023Applicant: SEW-EURODRIVE GMBH & CO. KGInventor: Zili WU
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Publication number: 20230279904Abstract: In a method and system for producing a gear unit that includes a housing and a shaft with bearing(s), the housing having lower upper parts, and a bearing seat: the bearing is fitted onto the shaft, the outer ring of the bearing being limited axially by a retainer attached to the shaft; the shaft, bearing, and retainer are inserted into the lower part; the upper part is fitted onto and connected to the lower part, the bearing being received by first and second sub-regions; a shim ring is placed against the outer ring; screws are screwed into axially oriented threaded holes of the housing such that the shim ring is limited by the screw heads of the screws; and the retainer is removed and a bearing cover is connected to the housing and axially limits the shim ring.Type: ApplicationFiled: June 24, 2021Publication date: September 7, 2023Applicant: SEW-EURODRIVE GMBH & CO. KGInventors: Dietmar STRAUß, Christoph RUPPANER
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Patent number: 11750139Abstract: In a method and system for operating a system having an energy storage device and a resistor, and in order to discharge the energy storage device, an electric power that is constant over time is continuously supplied to the resistor, e.g., during a time period, e.g., until the resistor has practically been fully discharged, the time period, e.g., being greater than the time constant of the temperature rise of the resistor induced by a continuous electric power that is constant over time and supplied to the resistor.Type: GrantFiled: June 25, 2020Date of Patent: September 5, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Wolfgang Halder, Thomas Kühefuß, Georg Pfeiffer
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Patent number: 11746879Abstract: A transmission includes a first housing part, a second housing part connected to the first housing part, and bearings accommodated in the first housing part and supporting an input shaft in a rotatable manner. The input shaft projects through a recess that extends through the second housing part, and a cover part is connected to the first housing part. The cover part or a flange part inserted into the cover part accommodates a sealing system, which provides sealing with respect to the input shaft. The second housing part has an inlet for lubricating oil, which terminates in an axial bore being open with respect to the side of the first housing part facing the cover part, and in a second annular space. The opening of the axial bore facing the cover part is covered and/or sealed by the cover part, and rolling elements of two bearings at least also restricting and/or surrounding the second annular space together with the first housing part.Type: GrantFiled: February 27, 2020Date of Patent: September 5, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Ingo Schütterle, Tobias Schwan, Daniel Frank
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Patent number: 11750062Abstract: A drive device includes an electric motor and a gear unit that is driven by the electric motor. The electric motor has a laminated stator core which includes stator windings and is accommodated in a stator housing. The stator housing has recesses that are axially uninterrupted, i.e. in particular in the direction of the rotor shaft axis, and the stator housing is surrounded, especially radially surrounded, by a housing of the drive device, in particular a tubular housing and/or a cup-shaped housing, and the housing is set apart from the stator housing, in particular such that an especially circulating airflow is able to be provided within the housing, the recesses in particular guiding the airflow through in the axial direction, and the airflow being returned in the opposite direction in the set-apart region between the stator housing part and the housing.Type: GrantFiled: December 14, 2021Date of Patent: September 5, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Waldemar Becker, Domenik Hettel, Thomas Rung, Jens Schillinger
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Patent number: 11743072Abstract: In a system and method of operating a system that includes a controller and a first bus participant and a successor, the bus participant and successor each has a circuit arrangement arranged between an output and an input, a first resistor is arranged between the output and the supply voltage terminal, a second resistor is arranged between the input and a ground terminal, a third resistor can be arranged between the input and the supply voltage terminal by a first controllable semiconductor switch, and a fourth resistor can be arranged between the output and the supply voltage terminal by a second controllable semiconductor switch.Type: GrantFiled: September 9, 2020Date of Patent: August 29, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventor: Hans Jürgen Kollar
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Patent number: 11739825Abstract: A transmission includes a housing and a distributor part to which lubricating oil is able to be applied through a recess in the housing, e.g., in a housing part of the housing or in a cover part of the housing. The distributor part includes a collection region and feeder channels, which are connected to the collection region and are able to convey lubricating oil to bearings of the transmission.Type: GrantFiled: February 20, 2020Date of Patent: August 29, 2023Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Christian Luft, Claus Kunik, Daniel Frank