Patents Examined by Jose Gonzalez Quinones
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Patent number: 11742739Abstract: A gimmick device according to one or more embodiments may include a gimmick and a voice coil motors (VCM). The VCM includes a casing, a permanent magnet, a yoke and iron-core, a bobbin, and a coil part. The gimmick is mounted to the casing on a movable side. The coil part includes a drive and primary coil serving as a drive coil and a primary coil of a displacement sensor including a differential transformer, the drive and primary coil being interlinked with a magnetic flux by the permanent magnet, and two secondary coils of the displacement sensor. The yoke and iron-core may be disposed in a central space defined in the coil part, and serves as an iron core of the displacement sensor.Type: GrantFiled: August 23, 2021Date of Patent: August 29, 2023Assignee: OMRON CORPORATIONInventor: Ryuji Kawamoto
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Patent number: 11738876Abstract: The invention relates to an electric propulsion unit for an aircraft comprising at least one first propulsion member, a second propulsion member and a single electric motor configured to drive the first propulsion member and the second propulsion member in a counter-rotating manner, the electric motor comprising a peripheral stator element comprising a first peripheral stage and a second peripheral stage which are offset along an axis, the first peripheral stage comprising at least a first phase, a second phase and a third phase which are alternated according to a first sequence in such a way as to allow a rotation of the first rotor element in the first direction of rotation, the second peripheral stage comprising phases which are alternated according to a second sequence in such a way as to allow a counter-rotating rotation of the second rotor element.Type: GrantFiled: February 17, 2020Date of Patent: August 29, 2023Assignee: SafranInventors: Christelle Saber, Anthony Gimeno, Sébastien Merle
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Patent number: 11742713Abstract: A method for fixing a first component in a second component. At least part of an internal side of the second component is overmolded for a plastic sleeve, and the first component is centered and fixed within the plastic sleeve of the second component by a press-fit. Secure fixing of the first component in the second component is achieved in this way. A unit is formed by a method of this type.Type: GrantFiled: September 27, 2019Date of Patent: August 29, 2023Assignee: VITESCO TECHNOLOGIES GMBHInventors: Eusebio-Marius Albert, Mihai Drienovsky
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Patent number: 11742129Abstract: An adhesively-laminated core includes: a plurality of electrical steel sheets which are stacked on each other and of which both surfaces are coated with an insulation coating; and an adhesion part which is provided between the electrical steel sheets adjacent to each other in a stacking direction and adheres the electrical steel sheets to each other, wherein an adhesive forming the adhesion part contains an organic resin and an inorganic filler, wherein a 50% particle size of the inorganic filler is 0.2 to 3.5 ?m, wherein a 90% particle size of the inorganic filler is 10.0 ?m or less, and wherein an amount of the inorganic filler is 5 to 50 parts by mass with respect to 100 parts by mass of the organic resin.Type: GrantFiled: December 17, 2019Date of Patent: August 29, 2023Assignee: Nippon Steel CorporationInventors: Hiroyasu Fujii, Shinsuke Takatani, Kazutoshi Takeda
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Patent number: 11735990Abstract: The invention relates to a linear motor system, in particular a transport system, e.g.Type: GrantFiled: November 26, 2021Date of Patent: August 22, 2023Assignee: Schneider Electric Industries SASInventor: Thomas Leibl
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Patent number: 11735987Abstract: In a method for connecting a housing cover to a cup-shaped housing structure for an electric machine, and a cup-shaped housing structure produced by means of the method, the cup-shaped housing structure has an opening and has an opening edge surrounding the opening. The housing cover is of cup-shaped form, wherein a collar of uninterrupted encircling form is integrally formed on a cup-shaped structure wall in the region of an opening edge, which collar points radially outward. In a first method step, the housing cover is at least partially inserted into the housing opening such that a channel is formed by mutually opposite regions of the housing cover wall and of the cup-shaped housing structure wall. In a further step, the channel is at least partially or completely filled with a sealing compound, which is in particular of elastic form, or an adhesive.Type: GrantFiled: December 6, 2019Date of Patent: August 22, 2023Assignee: Robert Bosch GmbHInventors: Sascha Bader, Heinz Reiske, Philipp Rohr, Sebastian Jobst, Markus Moeller
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Patent number: 11728707Abstract: According to one aspect of the present disclosure, a driving device is a driving device for rotating an axle of a vehicle and includes: a motor having a rotor rotating about a motor axis extending in a horizontal direction orthogonal to a vertical direction; a reduction gear connected to the rotor; a differential gear connected to the motor via the reduction gear; and a housing configured to house the motor, the reduction gear and the differential gear therein. The housing has a protrusion that protrudes upward in the vertical direction, and at least one circumferential rib that extends in a circumferential direction. The protrusion has a female screw hole into which an eye bolt can be tightened. At least one of the circumferential ribs is connected to the protrusion.Type: GrantFiled: March 22, 2019Date of Patent: August 15, 2023Assignee: NIDEC CORPORATIONInventors: Yuki Ishikawa, Hayato Nakama, Keisuke Fukunaga
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Patent number: 11728700Abstract: A power tool includes a housing having a rear wall, a motor assembly coupled to the rear wall, and a plurality of mounting legs projecting from the rear wall toward the motor assembly. The motor assembly defines a motor axis, and includes a stator assembly defining a plurality of axially extending mounting apertures. Each mounting leg defines a threaded boss corresponding to a respective mounting aperture of the stator assembly, and each threaded boss is configured to receive a threaded fastener. The mounting legs are angularly spaced at unequal intervals about the motor axis.Type: GrantFiled: February 2, 2021Date of Patent: August 15, 2023Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: Andrew T. Beyerl, Derek J. Schwab, Samantha L. Billetdeaux, Kyle Greunke, Hans T. Banholzer, Carmen J. Castanos
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Patent number: 11728699Abstract: A stator assembly and an electric motor are provided. The stator assembly has an upper end cover, a stator core, an insulation frame, a fixing piece and a communicating piece. The stator core is located below the upper end cover. The insulation frame is arranged on the stator core. The fixing piece is arranged at a top of the insulation frame. One end of the communicating piece is sandwiched between the fixing piece and the upper end cover, and another end extends in a thickness direction of the upper end cover and is connected to the stator core. The fixing piece fixes the insulation frame, the communicating piece and the upper end cover.Type: GrantFiled: September 29, 2021Date of Patent: August 15, 2023Assignees: FOSHAN WELLING WASHER MOTOR MANUFACTURING CO., LTD., HUAI'AN WELLING MOTOR MANUFACTURING CO., LTD.Inventors: Jing Ren, Jianwu Tang, Xiaogang Zhu, Xi Luo
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Patent number: 11722018Abstract: An electric motor with a beveled stator and/or rotor has at least one layer of a composite material. The composite material has at least one electrical steel strip layer as carrier and at least one polymer layer. The composite material can be used for reducing acoustic emission in beveled electric motors. A method of reducing acoustic emission in these electric motors is based on the use of the composite material.Type: GrantFiled: March 14, 2019Date of Patent: August 8, 2023Assignees: thyssenKrupp Steel Europe AG, thyssenKrupp AGInventors: Stephan Drewes, Tobias Lewe, Florian Herget
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Patent number: 11722032Abstract: An electric motor assembly includes an outer housing with two sides open, an impeller provided in the outer housing, an inner housing disposed concentrically in the outer housing and spaced apart from the impeller, a stator provided in the inner housing, a rotor rotatably disposed in the stator, a first air flow path through which air flows in an axial direction between the inner housing and the outer housing based on rotation of the impeller, and a second air flow path through which air is joined with the air of the first air flow path via an inside of the inner housing and a gap between the impeller and the inner housing based on rotation of the impeller. Accordingly, cooling of the stator can be facilitated by the air flow paths.Type: GrantFiled: October 27, 2021Date of Patent: August 8, 2023Assignee: LG Electronics Inc.Inventors: Jaeho Kim, Sunghyun Kim
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Patent number: 11711006Abstract: A driving mechanism is provided, including a fixed portion, a movable portion, a driving assembly and a connecting element. The movable portion may move relative to the fixed portion and is used for holding an optical module. The driving assembly moves the movable portion relative to the fixed portion. The connecting element is movably connected to the fixed portion and the movable portion.Type: GrantFiled: June 4, 2020Date of Patent: July 25, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Chih-Wei Weng
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Patent number: 11705721Abstract: A power tool including a housing, a motor having a rotor and a stator, at least one grip sensor configured to generate a grip parameter, and a switching network electrically coupled to the brushless DC motor. An electronic processor is connected to the switching network and the at least one grip sensor and configured to implement kickback control of the power tool. The electronic processor is configured to determine a kickback threshold based on the grip parameter, control the switching network to drive the motor, receive a signal related to a power tool characteristic, determine, based on the power tool characteristic being greater than or equal to the kickback threshold, that a kickback event of the power tool is occurring, and control, in response to determining that the kickback event is occurring, the switching network to cease driving of the motor.Type: GrantFiled: March 8, 2021Date of Patent: July 18, 2023Assignee: Milwaukee Electric Tool CorporationInventors: Maxwell L. Merget, Jessie L. Bernitt
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Patent number: 11705778Abstract: A power tool is provided with a tool housing, a support plate provided within the tool housing, a rear tool cap mounted on a rear end of the tool housing, and a brushless direct-current (BLDC) motor received within the housing. The motor includes a stator assembly having a stator core and stator windings, a front motor bearing supported by the support plate, a rear motor bearing supported by the rear tool cap, and a rotor including a rotor core and a magnet ring mounted around the rotor core. The rotor core defines an annular recess within which at portion of the front bearing and a portion of the support plate are located such that the a radial plane intersects the front bearing, the magnet ring, and the stator core.Type: GrantFiled: December 16, 2020Date of Patent: July 18, 2023Assignee: Black & Decker Inc.Inventors: David J. Smith, Justin H. Ayers, Abraham Sanchez
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Patent number: 11699939Abstract: An electric machine (10) includes a housing (12), a stator (20) fixed within the housing (12), a rotor (30) with a rotor shaft (32), an air gap (24) formed between the rotor (30) and the stator (20), and a cooling device (14) configured for liquid cooling of the electric machine (10). The rotor shaft (32) defines an axial bore (36) in an axial direction, which extends at least partially into the rotor (30). The rotor (30) defines a radially extending air duct (40), which extends from an inner side (42) contacting the rotor shaft (30) to an outer side (44) facing the air gap (24). The rotor shaft (32) defines a bore (46), which is aligned with the air duct (40) such that air is flowable out of the rotor shaft (32) into the air gap (24).Type: GrantFiled: November 11, 2021Date of Patent: July 11, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventor: Ulrich Kehr
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Patent number: 11695315Abstract: Magnetic transmissions and related methods are described. In one embodiment, an apparatus includes a magnetic screw comprising an elongate body, a nut selectively magnetically coupled to the magnetic screw, and a potential energy storage system and/or a resistive force component. The nut is configured to be displaced relative to the elongate body in a first direction in response to manipulation of a magnetic field between the magnetic screw and the nut when the nut is magnetically coupled to the magnetic screw. In embodiments including a potential energy storage system, the potential energy storage system may store potential energy when the nut is displaced in the first direction. In embodiments including a resistive force component, the resistive force component may resist motion of the nut in the first direction by applying a resistive force to the nut at least partially in an opposing second direction.Type: GrantFiled: November 30, 2020Date of Patent: July 4, 2023Assignee: Massachusetts Institute of TechnologyInventors: Martin Culpepper, Marcel Thomas
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Patent number: 11689083Abstract: Cable-actuated position sensors are described that employ multiple block and tackle arrangements to measure displacement of a draw wire or flexible cable. The disclosed sensors are relatively small and inexpensive. The disclosed sensors may also be used as part of a servo motor, or in conjunction with gear motors to provide positional information for operation of the gear motor.Type: GrantFiled: August 30, 2022Date of Patent: June 27, 2023Inventor: Shaun William Fetherston
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Patent number: 11682932Abstract: An electric machine stator includes a soft magnetic yoke having a cylindrical yoke body extending along a central axis, with an outer surface and an inner periphery defining a central opening about the central axis, and a plurality of soft magnetic stator teeth. Each stator tooth defines a first set of air pockets, and a second set of air pockets. An electric machine rotor and permanent magnet material with air pockets are also provided.Type: GrantFiled: December 17, 2020Date of Patent: June 20, 2023Assignee: Ford Global Technologies, LLCInventors: Leyi Zhu, Chun Tang, Franco Leonardi, Michael W. Degner
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Patent number: 11670992Abstract: An electric machine for a drive of a motor vehicle, having a stator, a rotor which can be rotated relative to the stator, a temperature sensor arranged and designed to capture a temperature of the stator and a rotor condition capture sensor which is arranged and designed to capture a rotational speed and/or rotational position of the rotor accommodated in a stator-fixed manner. The temperature sensor and the rotor condition capture sensor are implemented as subsystems of a common sensor system, wherein a first subsystem having the temperature sensor has an elastic thermally conductive contact element connected to the temperature sensor, which contact element is permanently fitted to a contact region of the stator. A hybrid module having this electric machine is also provided.Type: GrantFiled: November 4, 2019Date of Patent: June 6, 2023Assignee: Schaeffler Technologies AG & Co. KGInventors: Andreas Ruppert, Michael Marsetz, Thomas Fritz
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Patent number: 11670977Abstract: A brushless direct-current motor is provided includes an inner stator and an outer rotor. A rotor shaft extends through a stator core of the inner stator. A first end cap includes a radial back plate disposed on a first side of the stator and a front center opening through which the rotor shaft is supported via a front bearing. A second end cap includes an inner annular body extending axially inwardly and forming a rear center opening, an outer annular body, and a main body extending on a second side of the stator. The inner annular body includes a first portion that extends at least partially into an opening of the stator core and supports the rotor shaft via a rear bearing, and a second portion rearward of the first portion that received a rear end of the rotor shaft therein and houses a sensor board therein.Type: GrantFiled: April 23, 2020Date of Patent: June 6, 2023Assignee: Black & Decker Inc.Inventors: John B. Fogle, Dustin Jeffries, Michael R. Marjomaa, Kevin L. Pulley, Vincent W. Zou, Jarrett A. Dunston, David J. Smith, Rene Thieme, Tim Heimrich, Tobias Heep, Daniel Bernhart, Dieter Schmidtfrerick