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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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20-04-2017 дата публикации

BRUSHLESS MOTOR SYSTEM FOR POWER TOOLS

Номер: US20170110945A1
Автор: Colin M. CROSBY, Justin H. AYERS, David J. SMITH, David E. Gillespie, Sumiteru MORI, Jarrett A. Dunston, Ryan F. SCHROEDER, CROSBY COLIN M, AYERS JUSTIN H, SMITH DAVID J, GILLESPIE DAVID E, MORI SUMITERU, DUNSTON JARRETT A, SCHROEDER RYAN F, CROSBY Colin M., AYERS Justin H., SMITH David J., Gillespie David E., MORI Sumiteru, Dunston Jarrett A., SCHROEDER Ryan F.
Принадлежит:

A brushless DC (BLDC) motor is provided including a stator assembly and a rotor rotatably arranged inside the stator. The stator assembly includes a generally-cylindrical lamination stack including a stator ring and stator teeth extending radially inwardly from the stator ring towards a center bore, where the center bore is arranged to receive the rotor therein. The stator assembly further includes an end insulator disposed at an and of the lamination stack, where the end insulator includes a generally-cylindrical outer ring and teeth portions extending radially inwardly from the outer ring towards a center of the end insulator, and the outer ring and the teeth portion correspond to the stator ring and the stator teeth. Stator windings are wound around the stator teeth and the corresponding teeth portion of the end insulator. Each tooth portion includes an outer face having a sloped portion sloped at an angle in the direction of the outer ring of the end insulator to bias the stator windings towards the outer ring. 1. A brushless DC (BLDC) motor including a stator assembly and a rotor rotatably arranged inside the stator , the stator assembly comprising:a generally-cylindrical lamination stack including a stator ring and a plurality of stator teeth extending radially inwardly from the stator ring towards a center bore, the center bore arranged to receive the rotor therein;an end insulator disposed at an and of the lamination stack, the end insulator including a generally-cylindrical outer ring and a plurality of teeth portions extending radially inwardly from the outer ring towards a center of the end insulator, the outer ring and the plurality of teeth portion corresponding to the stator ring and the plurality of stator teeth; anda plurality of stator windings wound around the plurality of stator teeth and the corresponding plurality of teeth portion of the end insulator;wherein each tooth portion includes an outer face having a sloped portion sloped at an angle in ...

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Номер записи: 1
08-02-2018 дата публикации

STATOR ASSEMBLY FOR A BRUSHLESS MOTOR IN A POWER TOOL

Номер: US20180041088A1
Автор: AYERS Justin H., Dunston Jarrett A., Friedman Brian, Gillespie David E., Hatfield Eric E., Ortt Earl M., Osborne Stephen, Smith David J.
Принадлежит:

A power tool includes a motor having a stator assembly and a rotor pivotably arranged inside the stator. The stator assembly includes a lamination stack defining a plurality of poles; a plurality of field windings each arranged at at least two opposite poles of said plurality of poles and connected together around the stator assembly; and a plurality of conductive terminals longitudinally arranged along an outer surface of the lamination stack and electrically coupled to the plurality of field windings and a power source. 1. A power tool comprising:a housing; a lamination stack defining a plurality of poles;', 'a plurality of magnet wires, each magnet wire wound on two opposite poles of said plurality of poles connected together around the stator assembly; and', 'a bus bar longitudinally arranged along an outer surface of the lamination stack, the bus bar comprising a plurality of conductive terminals to provide electric power from a power source to the plurality of magnet wires, each conductive terminal including a main portion mounted on the bus bar and a tang portion arranged at a longitudinal end of the main portion and folded over the main portion at an angle, wherein each of the plurality of magnet wires is wrapped around and electrically connected to the tang portion of a corresponding conductive terminal., 'a motor housed inside the housing, the motor having a stator assembly and a rotor rotatably arranged inside the stator, the stator assembly comprising2. The power tool of claim 1 , wherein the stator assembly further comprises an end insulator arranged at a longitudinal end of the lamination stack.3. The power tool of claim 2 , wherein the end insulator comprises an extension portion extending longitudinally over an outer surface of the lamination stack to retain the bus bar on the outer surface of the lamination stack.4. The power tool of claim 2 , wherein the end insulator comprises two retaining walls protruding longitudinally along the outer surface ...

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Номер записи: 2
19-03-2020 дата публикации

Stator assembly for a brushless motor in a power tool

Номер: US20200091793A1
Автор: Brian E. Friedman, David E. Gillespie, David J. Smith, Earl M. Ortt, Eric E. Hatfield, Jarrett A. Dunston, Justin H. AYERS, Stephen P. Osborne
Принадлежит: Black and Decker Inc

A stator assembly for a brushless DC motor includes a stator core defining poles and having an outer surface, at least one magnet wire wound on the poles forming phases, and a bus bar including a non-conductive mount arranged on the outer surface and conductive terminals. Each conductive terminal includes: a main portion mounted on the non-conductive mount substantially parallel to the longitudinal axis of the motor, a tang portion folded over the main portion from a first longitudinal end of the main portion, and a connection tab at a second longitudinal end of the main portion. At least a contact portion of the at least one magnet wire is wrapped around the tang portion and fused to make an electric connection to the conductive terminal, and the connection tab is arranged to makes electric contact with a wire supplying electric power to the motor.

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Номер записи: 3
24-06-2021 дата публикации

POWER TOOL WITH COMPACT MOTOR ASSEMBLY

Номер: US20210194319A1
Автор: AYERS Justin H., SANCHEZ Abraham, Smith David J.
Принадлежит:

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. 1. A power tool comprising: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 stator assembly including a stator core, a plurality of stator teeth radially extending from the stator core and defining a plurality of slots therebetween, and a plurality of stator windings wound around the plurality of stator teeth;', 'a rotor shaft extending along a longitudinal axis;', 'a front motor bearing mounted on the rotor shaft and supported by the support plate;', 'a rear motor bearing mounted on the rotor shaft and supported by the rear tool cap; and', 'a rotor comprising a rotor core mounted on the rotor shaft within the stator assembly and a magnet ring mounted around the rotor core, the rotor core defining 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., 'a brushless direct-current (BLDC) motor received within the housing, comprising2. The power tool of claim 1 , wherein the magnet ring comprises a sintered permanent magnet.3. The power tool of claim 1 , wherein the rotor core comprises at least two alignment rings on an outer ...

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Номер записи: 4
24-06-2021 дата публикации

Power tool with compact motor assembly

Номер: US20210194320A1
Автор: Abraham Sanchez, David J. Smith, Justin H. AYERS
Принадлежит: Black and Decker Inc

A brushless direct-current (BLDC) motor is provided with a stator assembly including a stator core and stator windings wound around stator teeth, a rotor shaft extending along a longitudinal axis, and a rotor including a rotor core mounted on the rotor shaft supporting at least one permanent magnet. A circuit board is provided including a main body and at least one leg radially projecting from the main body to support at least one magnetic sensor near the permanent magnet. The leg of the circuit board oriented along a radial plane that intersects the stator windings.

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Номер записи: 5
28-05-2020 дата публикации

Brushless Motor for a Power Tool

Номер: US20200169142A1
Автор: Andrew M. Palich, Barak N. Gohn, Colin M. Crosby, David J. Smith, Jarrett A. Dunston, Justin H. AYERS, Merritt J. Tennison, Ryan F. Schroeder
Принадлежит: Black and Decker Inc

A brushless motor includes a stator assembly including a generally-cylindrical stator body having a center bore, teeth extending from the stator body towards the center bore and defining slots in between, and windings wound around the teeth; and a rotor assembly rotatably received within the center bore and includes a rotor shaft and a generally-cylindrical rotor body. The motor further includes at least one rotor bearing mounted on the rotor shaft, and at least one bearing support member supporting the rotor bearing. The bearing support member includes a radial body forming a bearing pocket for receiving the rotor bearing therein, and axial post inserts received within the slots of the stator assembly between adjacent sets of windings and in contact with an inner curved surface of the stator body to support the rotor bearing with respect to the stator assembly along a center axis of the center bore.

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Номер записи: 6
12-10-2017 дата публикации

Brushless Motor for a Power Tool

Номер: US20170294819A1
Автор: AYERS Justin H., Crosby Colin M., Dunston Jarrett A., Gohn Barak N., Palich Andrew M., Schroeder Ryan F., Smith David J., Tennison Merritt J.
Принадлежит: BLACK & DECKER INC.

A brushless motor includes a stator assembly including a generally-cylindrical stator body having a center bore, teeth extending from the stator body towards the center bore and defining slots in between, and windings wound around the teeth; and a rotor assembly rotatably received within the center bore and includes a rotor shaft and a generally-cylindrical rotor body. The motor further includes at least one rotor bearing mounted on the rotor shaft, and at least one bearing support member supporting the rotor bearing. The bearing support member includes a radial body forming a bearing pocket for receiving the rotor bearing therein, and axial post inserts received within the slots of the stator assembly between adjacent sets of windings and engaging an inner surface of the stator body to support the rotor bearing with respect to the stator assembly along a center axis of the center bore of the stator assembly. 1. A brushless direct-current (DC) motor comprising:a stator assembly including a generally-cylindrical stator body having a center bore, a plurality of teeth extending from the stator body towards the center bore and defining a plurality of slots in between, and a plurality of windings wound around the plurality of teeth;a rotor assembly rotatably received within the center bore of the stator assembly, the rotor assembly including a rotor shaft and a generally-cylindrical rotor body mounted on the rotor shaft;at least one rotor bearing mounted on the rotor shaft; andat least one bearing support member supporting the rotor bearing, the bearing support member including a radial body forming a bearing pocket at central portion thereon for receiving the rotor bearing therein, and a plurality of axial post inserts received within the plurality of slots of the stator assembly between adjacent sets of windings and engaging an inner surface of the stator body to support the rotor bearing with respect to the stator assembly along a center axis of the center bore of the ...

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Номер записи: 7
11-10-2018 дата публикации

Stator assembly for a brushless motor in a power tool

Номер: US20180294688A1
Автор: Brian Friedman, David E. Gillespie, David J. Smith, Earl M. Ortt, Eric E. Hatfield, Jarrett A. Dunston, Justin H. AYERS, Stephen Osborne
Принадлежит: Black and Decker Inc

An electric motor is provided including: a stator assembly having a lamination stack defining poles and magnet wires wound on the poles, and a rotor rotatably arranged inside the stator assembly. A mount having a curved profile and made of non-conductive material is provided. Conductive terminals are mounted on and secured to a first surface of the mount, the conductive terminals being separated and insulated from each other via portions of the mount. A second surface of the mount opposite the first surface is mounted over to an outer surface of the lamination stack in contact therewith to align the plurality of conductive terminals longitudinally along the outer surface of the lamination stack.

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Номер записи: 8
08-10-2020 дата публикации

Brushless Motor for a Power Tool

Номер: US20200321825A1
Автор: Andrew M. Palich, Barak N. Gohn, Colin M. Crosby, David J. Smith, Jarrett A. Dunston, Justin H. AYERS, Merritt J. Tennison, Ryan F. Schroeder
Принадлежит: Black and Decker Inc

A brushless motor includes a stator assembly including a generally-cylindrical stator body having a center bore, teeth extending from the stator body towards the center bore and defining slots in between, and windings wound around the teeth; and a rotor assembly rotatably received within the center bore and includes a rotor shaft and a generally-cylindrical rotor body. The motor further includes at least one rotor bearing mounted on the rotor shaft, and at least one bearing support member supporting the rotor bearing. The bearing support member includes a radial body forming a bearing pocket for receiving the rotor bearing therein, and axial post inserts received within the slots of the stator assembly between adjacent sets of windings and in contact with an inner curved surface of the stator body to support the rotor bearing with respect to the stator assembly along a center axis of the center bore.

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Номер записи: 9
08-10-2020 дата публикации

Brushless Motor for a Power Tool

Номер: US20200321826A1
Автор: Andrew M. Palich, Barak N. Gohn, Colin M. Crosby, David J. Smith, Jarrett A. Dunston, Justin H. AYERS, Merritt J. Tennison, Ryan F. Schroeder
Принадлежит: Black and Decker Inc

A brushless motor includes a stator assembly including a generally-cylindrical stator body having a center bore, teeth extending from the stator body towards the center bore and defining slots in between, and windings wound around the teeth; and a rotor assembly rotatably received within the center bore and includes a rotor shaft and a generally-cylindrical rotor body. The motor further includes at least one rotor bearing mounted on the rotor shaft, and at least one bearing support member supporting the rotor bearing. The bearing support member includes a radial body forming a bearing pocket for receiving the rotor bearing therein, and axial post inserts received within the slots of the stator assembly between adjacent sets of windings and in contact with an inner curved surface of the stator body to support the rotor bearing with respect to the stator assembly along a center axis of the center bore.

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Номер записи: 10
14-07-2021 дата публикации

Power tool with compact motor assembly

Номер: EP3848161A1
Автор: Alvaro B. Haesbaert, Mr. Abraham Sanchez, Mr. David J. Smith, Mr. Justin H. Ayers, Samantha CUNNINGHAM, Sandipkumar D. Patel
Принадлежит: Black and Decker Inc

A power tool includes a housing (12) and a brushless motor with a rotor and a stator assembly. The motor defines a motor envelope bounded by a rear plane at a rearmost point of the stator assembly and rotor, a front plane at a frontmost point of the stator assembly (110) and rotor, and a generally cylindrical boundary surrounding a radially outermost portion of the stator assembly and rotor. A rotor shaft (102, 202) is rotatably driven by the rotor. A transmission (20) includes an input member rotatably driven by the rotor shaft and an output member (26). A first bearing (158) supporting the rotor shaft is at least partially received within the motor envelope. A second bearing (160) supporting the rotor shaft or a component of the transmission is at least partially received within the motor envelope. A support plate supporting a component of the transmission may be at least partially received within the motor envelope.

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Номер записи: 11
04-08-2022 дата публикации

Circuit board assembly for compact brushless motor

Номер: US20220247259A1
Автор: David J. Smith, Dustin JEFFERIES, Justin H. AYERS, Kristopher Cochran, Marcus E. E. Rydin, Sumiteru MORI
Принадлежит: Black and Decker Inc

A motor assembly includes a stator having a stator core, stator windings, and a routing insulator configured to electrically insulate the stator core from the stator windings; a rotor rotatably received within the stator; and a bearing bridge received at least partially within the routing insulator and including a main body forming a center pocket arranged to support a bearing of the rotor shaft. A circuit board is provided including a circuit board, and an overmold structure forming an annular body on a surface of the circuit board arranged to mate with the main body of the bearing bridge to substantially seal the center pocket from ingress of debris particles.

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Номер записи: 12
09-04-2024 дата публикации

Circuit board assembly for compact brushless motor

Номер: US11955863B2
Автор: David J. Smith, Dustin JEFFERIES, Justin H. AYERS, Kristopher Cochran, Marcus E. E. Rydin, Sumiteru MORI
Принадлежит: Black and Decker Inc

A motor assembly includes a stator having a stator core, stator windings, and a routing insulator configured to electrically insulate the stator core from the stator windings; a rotor rotatably received within the stator; and a bearing bridge received at least partially within the routing insulator and including a main body forming a center pocket arranged to support a bearing of the rotor shaft. A circuit board is provided including a circuit board, and an overmold structure forming an annular body on a surface of the circuit board arranged to mate with the main body of the bearing bridge to substantially seal the center pocket from ingress of debris particles.

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Номер записи: 13
02-11-2023 дата публикации

Power tool with compact motor assembly

Номер: US20230353015A1
Автор: Abraham Sanchez, David J. Smith, Justin H. AYERS
Принадлежит: Black and Decker Inc

A power tool is provided including a tool housing; a rear tool cap separately formed from the tool housing and mounted on a rear end of the tool housing; and a motor. The motor includes a stator, a rotor shaft; a rear bearing mounted on the rotor shaft and supported by a central bearing pocket of the rear tool cap, and a rotor. The rear tool cap further comprises a constraining member extending from the radial body, where the constraining member is configured to engage a portion of the stator to securely locate the stator within the tool housing and pilot the rear bearing relative to the stator independently of the tool housing.

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Номер записи: 14
06-02-2024 дата публикации

Stator assembly for a brushless motor in a power tool

Номер: US11894744B2
Автор: Brian Friedman, David E. Gillespie, David J. Smith, Earl M. Ortt, Eric E. Hatfield, Jarrett A. Dunston, Justin H. AYERS, Stephen P. Osborne
Принадлежит: Black and Decker Inc

A stator assembly for a brushless DC motor includes a stator core including stator poles and an outer surface, at least one magnet wire wound on the poles forming stator windings, and a bus bar including a non-conductive mount arranged on the outer surface and conductive terminals. Each conductive terminal includes: a main portion mounted on the non-conductive mount substantially parallel to the longitudinal axis of the motor, a tang portion folded over the main portion from a first longitudinal end of the main portion, and a connection tab at a second longitudinal end of the main portion. At least a contact portion of the at least one magnet wire is wrapped around the tang portion and fused to make an electric connection to the conductive terminal, and the connection tab makes electric contact with a wire supplying electric power to the motor.

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Номер записи: 15
19-05-2022 дата публикации

Stator assembly for a brushless motor in a power tool

Номер: US20220158517A1
Автор: Brian E. Friedman, David E. Gillespie, David J. Smith, Earl M. Ortt, Eric E. Hatfield, Jarrett A. Dunston, Justin H. AYERS, Stephen P. Osborne
Принадлежит: Black and Decker Inc

A stator assembly for a brushless DC motor includes a stator core including stator poles and an outer surface, at least one magnet wire wound on the poles forming stator windings, and a bus bar including a non-conductive mount arranged on the outer surface and conductive terminals. Each conductive terminal includes: a main portion mounted on the non-conductive mount substantially parallel to the longitudinal axis of the motor, a tang portion folded over the main portion from a first longitudinal end of the main portion, and a connection tab at a second longitudinal end of the main portion. At least a contact portion of the at least one magnet wire is wrapped around the tang portion and fused to make an electric connection to the conductive terminal, and the connection tab makes electric contact with a wire supplying electric power to the motor.

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Номер записи: 16
09-01-2024 дата публикации

Brushless motor including a nested bearing bridge

Номер: US11870316B2
Автор: David J. Smith, Dustin JEFFERIES, Justin H. AYERS, Kristopher Cochran, Marcus E. E. Rydin, Sumiteru MORI
Принадлежит: Black and Decker Inc

A motor is provided including a motor housing having an open end; a stator disposed within the motor housing and including a stator core, stator windings, and an end insulator that electrically insulate the stator core from the stator windings and includes an annular body; a rotor rotatably received within the stator and including a rotor shaft extending along a longitudinal axis and permanent magnets; and a bearing bridge including a center pocket arranged to support a bearing of the rotor shaft. The bearing bridge is received at least partially within the end insulator. The annular body of the end insulator includes at least one peripheral opening located within the motor housing, and the bearing bridge is radially piloted relative to the motor housing via a retaining member received through the at least one peripheral opening.

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Номер записи: 17
05-12-2023 дата публикации

Stator assembly for a brushless motor in a power tool

Номер: US11837934B2
Автор: Brian Friedman, David E. Gillespie, David J. Smith, Earl M. Ortt, Eric E. Hatfield, Jarrett A. Dunston, Justin H. AYERS, Stephen Osborne
Принадлежит: Black and Decker Inc

A stator assembly for a brushless DC motor includes a stator core including stator poles and an outer surface, at least one magnet wire wound on the poles forming stator windings, and a bus bar including a non-conductive mount and conductive terminals. Each conductive terminal includes: a main portion and a tang portion extending from a first longitudinal end of the main portion. At least a contact portion of the at least one magnet wire is wrapped around the tang portion and fused to make an electric connection to the conductive terminal. The tang portion has a smaller lateral width than the main portion and is folded over the main portion to capture the contact portion of the at least one magnet wire. A power wire supply electric power to the motor is coupled to the conductive terminal proximate the second longitudinal end of the main portion.

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Номер записи: 18
05-12-2023 дата публикации

Canned brushless motor

Номер: US11837935B2
Автор: David J. Smith, Dustin JEFFERIES, Justin H. AYERS, Marcus E. E. Rydin, Sumiteru MORI
Принадлежит: Black and Decker Inc

A motor is provided including a motor housing having a substantially cylindrical body and at least one open end, a stator disposed within the motor housing, and a rotor rotatably received within the stator. The motor further includes a bearing bridge mounted on the open end of the motor housing and including a main body forming a center pocket arranged to support a rotor shaft, an outer ring configured to be fittingly received through the open end of the motor housing, and at least one fastening receptacle formed radially through the outer ring. The motor housing includes a side opening through which a fastener is radially fastened into the fastening receptable to secure the bearing bridge to the motor housing.

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Номер записи: 19
26-12-2023 дата публикации

Brushless DC motor for a body-grip power tool

Номер: US11855521B2
Автор: Barak N. Gohn, David J. Smith, Dustin JEFFERIES, John B. Fogle, John D. Cox, Justin H. AYERS, Kristopher Cochran, Marcus E. E. Rydin, Sumiteru MORI
Принадлежит: Black and Decker Inc

A power tool is provided including a housing including a grip portion; and a brushless direct-current (BLDC) motor at least partially disposed within the grip portion of the housing. The motor includes a stator having a rotor core, a rotor, and front and rear bearing support structures. The stator core includes a non-segmented construction with a maximum diameter of approximately smaller than or equal to 34 mm, and a ratio of a motor size (Km) constant of the motor to a length of the motor is in the range of approximately 0.39 to 0.59 (Nmm/√W)/mm. When powered by a 20 V battery pack, a ratio of a maximum power output of the motor to a volume of the motor is at least approximately 0.0106 W/mm{circumflex over ( )}3.

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Номер записи: 20
16-01-2024 дата публикации

Compact brushless motor including in-line terminals

Номер: US11876424B2
Автор: David J. Smith, Dustin JEFFERIES, Justin H. AYERS, Kristopher Cochran, Marcus E. E. Rydin, Sumiteru MORI
Принадлежит: Black and Decker Inc

A motor is provided including: a stator including a stator core, stator windings, and an end insulator; a rotor rotatably received within the stator; and stator terminals supported by the routing insulator and extending away from the stator. Each stator terminal includes a main body having a curved portion, a tang portion folded over the main body and receiving a portion of a magnet wire therein to make an electrical connection with at least one of the stator windings, and a terminal pin projecting axially away from the stator core. The stator core has a maximum diameter of less than or equal to approximately 34 mm defining an outer envelope of the stator, and the stator terminals are fully contained within the outer envelope.

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Номер записи: 21
13-08-2024 дата публикации

Power tool with compact motor assembly

Номер: US12059775B2
Автор: Abraham Sanchez, Alvaro B. Haesbaert, David J. Smith, Justin H. AYERS, Samantha CUNNINGHAM, Sandip D. PATEL
Принадлежит: Black and Decker Inc

A power tool includes a housing and a brushless motor with a rotor and a stator assembly. The motor defines a motor envelope bounded by a rear plane at a rearmost point of the stator assembly and rotor, a front plane at a frontmost point of the stator assembly and rotor, and a generally cylindrical boundary surrounding a radially outermost portion of the stator assembly and rotor. A rotor shaft is rotatably driven by the rotor. A transmission includes an input member rotatably driven by the rotor shaft and an output member. A first bearing supporting the rotor shaft is at least partially received within the motor envelope. A second bearing supporting the rotor shaft or a component of the transmission is at least partially received within the motor envelope. A support plate supporting a component of the transmission may be at least partially received within the motor envelope.

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Номер записи: 22
22-08-2024 дата публикации

Circuit board assembly for compact brushless motor

Номер: US20240283319A1
Автор: David J. Smith, Dustin JEFFERIES, Justin H. AYERS, Kristopher Cochran, Marcus E. E. Rydin, Sumiteru MORI
Принадлежит: Black and Decker Inc

A motor assembly includes a stator having a stator core, stator windings, and an end insulator configured to electrically insulate the stator core from the stator windings; a rotor rotatably received within the stator; a bearing bridge received at least partially within an inner portion of the end insulator and including a main body forming a center pocket arranged to support a bearing of the rotor shaft; and stator terminals supported by the end insulator and extending away from the stator. A circuit board assembly is provided including: an annular body mounted in contact with the main body of the bearing bridge and located radially inward of the stator terminals, and a circuit board mounted on the annular body and being electrically connected to the stator terminals.

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Номер записи: 23
22-10-2024 дата публикации

Stator assembly for a brushless motor in a power tool preliminary class

Номер: US12126234B2
Автор: Brian Friedman, David E. Gillespie, David J. Smith, Earl M. Ortt, Eric E. Hatfield, Jarrett A. Dunston, Justin H. AYERS, Stephen Osborne
Принадлежит: Black and Decker Inc

A stator assembly for a BLDC motor includes a stator core, at least one magnet wire wound on poles of the stator core, an end insulator mounted on an end surface of the stator core, a non-conductive mount member mounted on the outer circumferential surface of the stator core, and conductive terminals mounted on the non-conductive mount member. Each conductive terminal includes: a main portion mounted on the non-conductive mount, a tang portion extending from a first longitudinal end adjacent the end insulator and folded over the main portion, and a connection tab extending angularly from a second longitudinal end. A contact portion of the magnet wire is wrapped around the tang portion and fused to make an electric connection to the conductive terminal.

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Номер записи: 24
17-10-2024 дата публикации

Power tool with compact motor assembly

Номер: US20240342873A1
Автор: Abraham Sanchez, Alvaro B. Haesbaert, David J. Smith, Justin H. AYERS, Samantha CUNNINGHAM, Sandip D. PATEL
Принадлежит: Black and Decker Inc

A power tool includes a housing and a brushless motor with a rotor and a stator assembly. The motor defines a motor envelope bounded by a rear plane at a rearmost point of the stator assembly and rotor, a front plane at a frontmost point of the stator assembly and rotor, and a generally cylindrical boundary surrounding a radially outermost portion of the stator assembly and rotor. A rotor shaft is rotatably driven by the rotor. A transmission includes an input member rotatably driven by the rotor shaft and an output member. A first bearing supporting the rotor shaft is at least partially received within the motor envelope. A second bearing supporting the rotor shaft or a component of the transmission is at least partially received within the motor envelope. A support plate supporting a component of the transmission may be at least partially received within the motor envelope.

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Номер записи: 25