Patents Examined by Ahmed Elnakib
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Patent number: 11705790Abstract: The invention relates to a method for producing an arrangement for a plug-in coil of an electrical machine, comprising the steps of: providing a core with slots; providing coil elements which are rod-shaped and have a proximal end and a distal end; inserting the coil elements into the slots from an end side of the core with the distal end at the front in such a way that the proximal end is arranged in the region of the end side and the distal end is arranged in the region of an opposite end side of the core or adjacent to it; and producing a respective jointed connection for the distal ends or the proximal ends of a first coil element and of a second coil element with an associated first connecting element on the opposite end side or the end side of the core, wherein, here, before joining between the respective joining partners, specifically the distal end or the proximal end of the first coil element and a first joining section of the first connecting element and also the distal end or the proximal end of thType: GrantFiled: December 6, 2018Date of Patent: July 18, 2023Assignee: Aumann AGInventors: Ludger Martinschledde, Florian Sell-Le Blanc, Timo Schmit
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Patent number: 11705785Abstract: A stator for a rotary electric machine includes a stator core and a stator winding. The stator core has a hollow cylindrical shape and includes slots. The stator winding includes segment conductors held in the slots. The slots extending outward in a radial direction from an inner peripheral surface of the stator core. The slots include first and second slots. The second slot is shallower than the first slot. The segment conductors include a segment conductor including a first rectilinear portion held in the first slot, a second rectilinear portion held in the second slot, and a coupler coupling the first rectilinear portion and the second rectilinear portion to each other. The first rectilinear portion and the second rectilinear portion protrude from an end surface of the stator core.Type: GrantFiled: July 30, 2021Date of Patent: July 18, 2023Assignee: SUBARU CORPORATIONInventors: Kimihiro Nagase, Kenichi Fukunaga
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Patent number: 11705798Abstract: An electric motor has an end shield and a sensor for detecting a magnetic field. The sensor is integrated into the end shield of the electric motor. An electric drive unit may include a brake, in particular an electromagnetically actuatable brake, and an electric motor, where a shielding element is arranged between the sensor and the brake.Type: GrantFiled: April 10, 2019Date of Patent: July 18, 2023Assignee: Lenze SEInventor: Rouven Wolfram
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Patent number: 11705787Abstract: A motor assembly includes a motor, a controller controlling at least one aspect of operation of the motor, and a control housing defining a control chamber. The controller is in part received within the control chamber. The controller includes a main electronics board and a modular connector assembly. The modular connector assembly includes a secondary electronics board and a connector at least in part supporting the secondary electronics board. The connector includes an inner connector portion and an outer connector portion. The connector extends through the control housing such that the inner connector portion is disposed inside the control chamber and the outer connector portion is disposed outside the control chamber. The outer connector portion defines a first access portal facilitating access to a first component of the secondary electronics board.Type: GrantFiled: November 15, 2019Date of Patent: July 18, 2023Assignee: Nidec Motor CorporationInventors: Chetan O. Modi, Steven R. Palmer, Daniel E. Bailey, Jared Joseph Lesicko
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Patent number: 11705770Abstract: A vehicle includes a battery, an electric machine, a thermistor, and a controller. The electric machine is configured to draw electrical power from the battery to propel the vehicle. The electric machine has a rotor and a stator. The stator has a core defining a plurality of slots and windings arranged within the slots. The thermistor is disposed within a first of the slots between first and second axial ends of the core and is configured to measure a temperature of the electric machine. The controller is programmed to control a power output of the electric machine based on the temperature of the electric machine.Type: GrantFiled: September 10, 2021Date of Patent: July 18, 2023Assignee: Ford Global Technologies, LLCInventors: Akash Changarankumarath Pradeepkumar, Singar Rathnam
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Patent number: 11699932Abstract: A rotor for a rotary electric machine includes a rotor core in which a plurality of magnetic pole portions is provided. Each of the magnetic pole portions includes: a magnet insertion hole into which a permanent magnet is inserted. A d-axis-side space portion is provided inside the magnet insertion hole between the d-axis-side end portion of the permanent magnet and the d-axis-side end portion of the magnet insertion hole, and a q-axis-side space portion penetrating in the axial direction is provided inside the magnet insertion hole between the q-axis-side end portion of the permanent magnet and the q-axis-side end portion of the magnet insertion hole. The permanent magnet further includes: a first communication portion communicating the d-axis-side end portion with the q-axis-side end portion; and a second communication portion communicating the d-axis-side end portion with the q-axis-side end portion.Type: GrantFiled: October 29, 2021Date of Patent: July 11, 2023Assignee: HONDA MOTOR CO., LTD.Inventor: Shuhei Tanaka
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Patent number: 11695308Abstract: A stator for a rotary electric machine includes a stator core, a stator winding, and a sensor unit. The stator has a hollow cylindrical shape and includes slots. The stator winding includes segment conductors respectively inserted in the slots. The sensor unit includes a sensor holding conductor, and a temperature sensor. The sensor holding conductor is welded to first and second segment conductors among the segment conductors. The temperature sensor is held by the sensor holding conductor. The sensor holding conductor includes first and second end portions, and a bent portion. The first end portion is welded to an end portion of the first segment conductor. The second end portion is welded to an end portion of the second segment conductor. The bent portion couples the first end portion and the second end portion to each other. The temperature sensor is held at an inner side of the bent portion.Type: GrantFiled: April 21, 2021Date of Patent: July 4, 2023Assignee: SUBARU CORPORATIONInventors: Akihito Katsume, Kenichi Fukunaga
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Patent number: 11695351Abstract: Provided is a triboelectricity-based energy harvesting material including a first carbon composite layer, a second carbon composite layer, a first charge layer and a second charge layer applied onto the first carbon composite layer and the second carbon composite layer, respectively, and a spacer that is provided between the first charge layer and the second charge layer and maintains a predetermined interval between the first charge layer and the second charge layer, wherein the spacer is provided only in a partial region of the first charge layer and the second charge layer, and accordingly, the first charge layer and the second charge layer come into contact with each other according to deformation of the material in a region in which the spacer is not provided so as to generate triboelectricity.Type: GrantFiled: January 20, 2022Date of Patent: July 4, 2023Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Seong Su Kim, Hyunsoo Hong, Muhammad Salmam Sarfraz, Wonvin Kim
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Patent number: 11695311Abstract: An interference suppression module for an electrically commutated electric motor has the following components: a circuit carrier, an electronic circuit arrangement, which is arranged on the circuit carrier, an encapsulation, which surrounds the electronic circuit arrangement in a form-fitting and material-bonding manner, and at least one interface, which is provided for the purpose of electrical contact-connection of the electronic circuit arrangement to a control unit of the electrically commutated electric motor. The specification details an interference suppression module, a method for producing an interference suppression module, and a vehicle equipped with an interference suppression module.Type: GrantFiled: September 19, 2016Date of Patent: July 4, 2023Assignee: Vitesco Tehcnologies Germany GmbHInventors: Andreas Albert, Juergen Henniger, Matthias Keuten
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Patent number: 11689091Abstract: An eddy current type resistance device comprising: a ring-shaped flywheel; a shaft center, the shaft center has an axial blind hole, the shaft center has a radial blind hole, the radial blind hole is connected to the axial blind hole; a positioning frame, connected to the shaft center inside the ring-shaped flywheel; multiple magnetic field generating components, evenly arranged on the positioning frame, and make the signal wires of the magnetic field generating components pass through the radial blind hole and the axial blind hole the outer end of the shaft center; and a side cover, connecting to the other side of the ring-shaped flywheel, and is connected to the shaft center by a bearing. Thereby having the effect of simplifying the type and process of the side cover.Type: GrantFiled: October 13, 2021Date of Patent: June 27, 2023Assignee: Chi Hua Fitness Co., Ltd.Inventor: Chia Jung Lee
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Patent number: 11689087Abstract: The invention relates to a permanent magnet motor, comprising: a stator configured for generating a time-varying magnetic field; a rotor, arranged inside of the stator, comprising at least one permanent magnet providing a constant magnetic field; the permanent magnet being made of a flexible material; the stator being configured for rotating the rotor by taking along the constant magnetic field of the rotor with the time-varying magnetic field of the stator; the rotor comprising a field weakening mechanical arrangement configured for weakening a flux of the permanent magnet motor; the field weakening mechanical arrangement supporting the permanent magnet and comprising a recess configured for allowing the permanent magnet to be deformed by a centrifugal force provided by the rotation of the rotor.Type: GrantFiled: May 26, 2021Date of Patent: June 27, 2023Assignee: VOLVO CAR CORPORATIONInventor: Raik Orbay
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Patent number: 11689085Abstract: A method for mounting a switching unit on a component of an electric motor, including a component of an electric motor. The component may include a plurality of teeth and coil windings, arranged on the teeth and are formed by winding wire portions, the winding wire portions protruding from the coil windings by means of winding wire ends. A switching unit, which has an arrangement of connecting conductors, is arranged on the component of the electric motor. At least some of the winding wire ends are connected to the connecting conductors of the switching unit. In order to connect the winding wire ends to the connecting conductors of the switching unit, a positioning element, operatively connected to the winding wire ends, and the switching unit are moved relative to each other along a movement plane and the winding wire ends are thereby brought into contact with the connecting conductors.Type: GrantFiled: July 25, 2018Date of Patent: June 27, 2023Inventors: Stefan Wüst, Oliver Haupt
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Patent number: 11682952Abstract: A method for producing a wire coil. Multiple windings of a ply of the wire coil including an insulated wire are wound onto a coil core of the wire core starting from a first winding up to a last winding. The last winding is hooked in an electrically insulating deflection hook of the wire coil which is fixed with respect to the coil core and the wire is deflected by the deflection hook.Type: GrantFiled: March 3, 2021Date of Patent: June 20, 2023Assignee: AUDI AGInventors: Michael Schwarzer, Mohammed Razki
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Patent number: 11682938Abstract: A stator of an electric motor having a stator core with a plurality of salient stator poles, an insulating cap, a stator winding consisting of a winding wire, and an interconnection unit with a plurality of winding-wire receptacles having an inside, wherein the winding wire is surrounded by a material constituting the winding-wire receptacle and connected and welded thereto on the inside. The stator is of an electric motor which is of a very high quality and precision so that high-current applications are possible. Without any major adjustments, the stator is combinable with different winding connections and is flexibly adaptable to the rest of the motor and possibly to the electronics design. The manufacturing method is capable of being flexibly adapted to different wire diameters.Type: GrantFiled: July 8, 2020Date of Patent: June 20, 2023Assignee: Bühler Motor GmbHInventors: Jürgen Brettschneider, Georg Bonk, Andreas Appel
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Patent number: 11677287Abstract: A stator includes a stator core and a stator winding. The stator core has a cylindrical shape and a plurality of slots. The stator winding includes a plurality of phase windings each including a plurality of segment conductors inserted into the slots and coupled to each other in series. Each of the segment conductors has a pair of straight parts and a bend. The pair of straight parts is accommodated in two of the plurality of slots. The bend protrudes from an end face of the stator core and couples the pair of straight parts to each other. In each of the plurality of slots, the number of the bends protruding from the end face of the stator core to extend in one of circumferential directions matches the number of the bends protruding from the end face of the stator core to extend in the other of the circumferential directions.Type: GrantFiled: November 19, 2020Date of Patent: June 13, 2023Assignee: SUBARU CORPORATIONInventors: Kenichi Fukunaga, Kimihiro Nagase
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Patent number: 11677283Abstract: An electric machine includes a stator formed from a plurality of stacked laminations and defining a center bore and a rotor disposed within the center bore. The rotor is configured to output a rotational torque in response to an input current delivered to the stator. At least one of the stacked laminations of the stator includes a pattern of perforations disposed at a yoke portion of the stator to attenuate structure-bore transmission of vibration during operation of the electric machine.Type: GrantFiled: August 4, 2020Date of Patent: June 13, 2023Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: Christopher Wolf, Franco Leonardi, Michael W. Degner
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Patent number: 11677280Abstract: A connection terminal includes a lower terminal portion, a bent portion, and an upper terminal portion. The bent portion extends radially inward from an upper end of the lower terminal portion. The upper terminal portion extends axially upward from a radially inner end of the bent portion. The upper terminal portion is located radially inside a radially inner end surface of a tooth. In a process of manufacturing a motor, a rotor main body is inserted into a radially inner side of a stator core, using a space defined radially inside the lower terminal portion.Type: GrantFiled: March 18, 2021Date of Patent: June 13, 2023Assignee: NIDEC CORPORATIONInventors: Shunsuke Takahashi, Takayuki Migita, Takumi Okada
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Patent number: 11670990Abstract: A stator assembly includes a stator core including teeth, which are formed along an inner circumferential surface of the stator core, extend from one surface of the stator core to an opposite surface of the stator core, and have through holes formed through one surfaces of the teeth, respectively, a plurality of hairpins, each hairpin coupled to and connected with a slot formed between the teeth facing each other and forming form a coil winding, and a heat radiating device including a first heat radiating member provided at one side of the one surface of the stator core to discharge heat of the hairpin to an outside, such that the hairpin is cooled.Type: GrantFiled: January 29, 2021Date of Patent: June 6, 2023Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Seong Jun Hwang, Yeong Woo Seo, Hye Seong Yang
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Patent number: 11670979Abstract: A stator for a rotary electric machine includes a stator core and a stator winding. The stator core includes a core inner-peripheral portion including slots. The stator winding includes a phase winding including segment conductors. The phase winding includes parallel conductors connected in series. Each parallel conductor includes ones of the segment conductors connected in parallel. The segment conductors include weld end portions protruding from the slots, bent in circumferential directions of the stator core, and welded to one another to constitute conductor joint portions. The weld end portions include weld end portions which protrude from each of the slots and which include first and second weld end portions. The first and second weld end portions are bent in the circumferential directions. The second weld end portions are smaller in number than the first weld end portions.Type: GrantFiled: June 10, 2021Date of Patent: June 6, 2023Assignee: SUBARU CORPORATIONInventor: Kenichi Fukunaga
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Patent number: 11670901Abstract: An electrical contact device includes a high electric potential-side contact and a low electric potential-side contact having a lower electric potential than the high electric potential-side contact. The high electric potential-side contact and the low electric potential-side contact are configured to be brought into and out of contact with each other. At least one of the high electric potential-side contact and the low electric potential-side contact is formed of a low-boiling point material whose boiling point is lower than 2562° C. or a mixed material that contains the low-boiling point material.Type: GrantFiled: October 18, 2019Date of Patent: June 6, 2023Assignee: DENSO CORPORATIONInventors: Shingo Shimizu, Takahiro Nozu, Yoshihiro Adachi, Tetsuya Honda