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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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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 5309. Отображено 100.
16-02-2012 дата публикации

Motor unit and vehicle equipped therewith

Номер: US20120037436A1
Автор: Tack Hwan Kwon
Принадлежит: Hyundai Motor Co, Kia Motors Corp

A motor unit according to an exemplary embodiment of the present invention may include a bus bar receiving a current from a power supply, a wire that is wound along the bus bar, and a connecting portion that is extended from the bus bar to be electrically connected to one end portion of the wire, wherein the connecting portion has a circular bent portion that is formed along the outer circumference of the wire. Accordingly, the connecting portion of the bus bar includes a bent portion, and one end portion of the wire wound on the bus bar contacts the bent portion such that welding becomes easier and the welded portion is firm. Further, the connecting portion includes the first extension portion and the second extension portion that are at an acute angle such that the wire is not separated from the connecting portion and the welding process becomes easier.

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Номер записи: 1
14-06-2012 дата публикации

Arrangement having an electric machine and method for operating an electric machine

Номер: US20120146563A1
Автор: Jürgen Zettner
Принадлежит: SIEMENS AG

The invention relates to a method and arrangement having an electric machine, comprising a stator ( 4 ) and a rotor ( 1 ) and an infrared temperature sensor, wherein the detection field of the infrared temperature sensor is directed at an outer surface of the rotor ( 1 ). The infrared temperature sensor is a thermopile ( 6 ) for radiometrically contactlessly detecting a temperature of the rotor ( 1 ), the thermopile being arranged in a slot of the stator ( 4 ) and being compatible with standard slot-sealing-wedge components of the electric machine with regard to assembly, and thus enables the operational monitoring of the thermal state of an electric machine in a novel manner, such that adapted power states can be achieved.

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Номер записи: 2
07-03-2013 дата публикации

Hermetic electric compressor

Номер: US20130057120A1
Автор: Masanari Uno, Yogo Takasu, Yoshiyuki Kimata
Принадлежит: Mitsubishi Heavy Industries Ltd

An object is to provide a hermetic electric compressor that can simplify the installation structure of an internal protector and improve the ease-of-assembly thereof. In a hermetic electric compressor having a compressor and an electric motor ( 10 ) built into a sealed housing ( 2 ), the electric motor ( 10 ) includes a stator ( 8 ) to which plastic insulating bobbins ( 30 ) having flanges ( 30 B, 30 C) on an inner and outer circumferences of a plurality of tooth parts of a stator core are fitted and around which a stator winding wire ( 8 A) is wound in concentrated winding around the plastic insulating bobbins ( 30 ), and an internal protector ( 29 ) for electric-motor protection is latched between the inner and outer circumferential flanges ( 30 B, 30 C) of the plastic insulating bobbins ( 30 ) by being urged against the stator winding wire ( 8 A).

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Номер записи: 3
14-03-2013 дата публикации

Method and system for detecting faults in a brushless exciter

Номер: US20130063066A1
Автор: William Earl Fish
Принадлежит: General Electric Co

A method of operating an electrical machine is provided. The method includes the steps of providing a brushless excitation system including a diode rectifier having at least one diode, sensing heat energy generated by at least one resistor connected in parallel with the at least one diode, wirelessly transmitting a signal representative of the heat energy, detecting a deviation of generated heat energy from the at least one resistor, and generating a signal indicating an error if the deviation in generated heat energy exceeds a predetermined threshold.

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Номер записи: 4
20-06-2013 дата публикации

DISK DRIVE DEVICE

Номер: US20130154409A1
Автор: Tanaka Shinji, YAMADA Osamu
Принадлежит: ALPHANA TECHNOLOGY CO., LTD.

A disk drive device includes a base with a base opening, a rotating body provided in the base at the first face side and to which a recording disk is to be mounted, a wiring member including a first film, a second film, and a wiring conductor, and provided on the second face of the base to cover the base opening, a lead wire passing through the base opening and fixed to a wire connection portion of the wiring conductor, a thickness decreasing portion decreasing a thickness in accordance with an edge of the wiring conductor, and located outwardly of the base opening in a planar direction, and a slot which is an area having no conductor and having an entire circumference surrounded by the wiring conductor between the first and the second films in the planar direction, and present between the wire connection portion and the thickness decreasing portion. 1. A disk drive device comprising:a base formed with a base opening that passes all a way through a first face and a second face opposite to the first face;a rotating body which is provided in the base at the first face side and to which a recording disk is to be mounted;a wiring member which includes a first film, a second film, and a wiring conductor present between the first film and the second film, and which is provided on the second face of the base to cover the base opening;a lead wire which passes through the base opening and which is fixed to a wire connection portion of the wiring conductor;a thickness decreasing portion which is a part of the wiring member, decreases a thickness in accordance with an edge of the wiring conductor, and is located outwardly of the base opening in a planar direction; anda slot which is a part of the wiring member, is an area having no conductor and having an entire circumference surrounded by the wiring conductor between the first film and the second film in the planar direction, and is present between the wire connection portion and the thickness decreasing portion.2. The disk ...

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Номер записи: 5
01-08-2013 дата публикации

Monitoring fiber for a machine and method of installation

Номер: US20130192821A1
Автор: Carl W. Stoesz
Принадлежит: Baker Hughes Inc

An electric machine assembly and a method of installing an electric machine assembly, the electric machine including a downhole electric machine; and a fiber operatively arranged at least partially through a housing of the electric machine for sensing at least one parameter of the electric machine assembly.

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Номер записи: 6
10-10-2013 дата публикации

MOTOR STRUCTURE HAVING CONNECTOR OR TERMINAL BLOCK TO WHICH CONDUCTIVELY CAULKED TERMINAL IS SOLDERED

Номер: US20130264898A1
Автор: KAWAI Yasuo, UEMATSU Hidetoshi, YAMAMOTO Tomonaga
Принадлежит: FANUC Corporation

A motor structure capable of easily conserving space, being low cost and having few components, while utilizing a connecting method using conductive caulking. In a motor structure, a winding wire is wound onto a stator core, a terminal member is attached to one end of the winding wire by conductive caulking, and the terminal member is directly connected to a connector by soldering. The terminal member has a wire receiving portion which receives one end of each of at least one winding wire, and a connecting portion which may be directly connected to the connector or a terminal block by soldering. The wire receiving portion is a generally cylindrical member, and the connecting portion is a rod member which may be inserted into a connecting hole of the connector. 1. A motor structure having a motor wherein a winding wire is wound onto a stator core and an end of the winding wire is connected to a connector or a terminal block ,wherein a terminal member attached to the end of the winding wire is directly connected to the connector or the terminal block by soldering, andwherein the terminal member has a wire receiving portion at one end thereof and a connecting portion at the other end thereof, the end of the winding wire is received in the wire receiving portion and is fixed by conductive caulking, and the connection portion is directly connected to the connector or the terminal block.2. The motor structure as set forth in claim 1 , wherein the connecting portion of the terminal member is a rod portion claim 1 , and the connector or the terminal block has a hole portion into which the rod portion may be inserted so that the rod portion is inserted into the hole portion and soldered.3. The motor structure as set forth in claim 2 , wherein a shape of a radial cross-section of the rod portion of the terminal member is non-circular.4. The motor structure as set forth in claim 2 , wherein the terminal member is oriented so that the terminal member is separated from a ...

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Номер записи: 7
17-10-2013 дата публикации

Rotary electric machine

Номер: US20130270973A1
Автор: Masayuki IKEMOTO
Принадлежит: Toyota Motor Corp

A rotary electric machine includes: a coil conductor that is fitted to a core of the rotary electric machine to form a coil; a neutral line connected to a neutral point of the coil; and a temperature sensor, on which the neutral line is wound to be in contact therewith, and that detects a temperature of the neutral line, wherein the neutral line is, in a region thereof that is in contact with the temperature sensor, equal in cross-sectional area to the coil conductor.

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Номер записи: 8
07-11-2013 дата публикации

Motor

Номер: US20130294888A1
Автор: Atsushi Yokoyama, Itsuro Sawada
Принадлежит: HITACHI LTD

A motor is provided which can detect a rotor temperature with high precision with a simple configuration not taking an influence on a temperature caused by circulation of a cooling oil into account. In a motor including a rotor, a stator arranged around the rotor, and a temperature sensor, the rotor includes an oil reservoir unit that reserves an oil on a rotating shaft line in an interior thereof, and the temperature sensor detects a temperature of the oil reserved in the oil reservoir unit.

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Номер записи: 9
19-12-2013 дата публикации

BRUSHLESS MOTOR

Номер: US20130334917A1
Автор: Maruyama Haruhisa, MIYABARA Yoshinori, Sakai Haruka, Satou Kei
Принадлежит:

A brushless motor includes a stator as an armature where a plurality of coils is housed and a rotor as a magnetic exciter having a permanent magnet, wherein an end portion of the coil housed in a slot of a stator stack is inserted into a wire binding board having a wire binding pattern of the coil, the end portion of the coil is soldered to a land of the wire binding board, and the wire binding board and a circuit board are electrically conducted to each other through an connecting terminal. 1. A brushless motor comprising a stator as an armature where a plurality of coils is wound and a rotor as a magnetic exciter having a permanent magnet ,wherein an end portion of the coil housed in a slot of a stator stack is inserted into a wire binding board having a wire binding pattern of the coil,the end portion of the coil is soldered to a land of the wire binding board, andthe wire binding board and a circuit board are electrically conducted to each other through an connecting terminal.2. The brushless motor according to claim 1 , wherein the end portion of the coil is inserted into a trench formed in an inner or outer circumference of the wire binding board.3. The brushless motor according to claim 1 , wherein the wire binding board is supported by an insulation material.4. The brushless motor according to claim 3 , wherein the insulation material that supports the wire binding board is formed by extending an insulation material that surroundingly encloses the coil. 1. Technical FieldThe present invention relates to a brushless motor having an improved coil wire binding structure inside a slot of a stator stack.2. Description of Related ArtsA brushless motor includes an armature where a plurality of coils is wound and a magnetic exciter having a permanent magnet. Typically, an outer rotor type brushless motor is employed in an axial flow fan such as a cooling fan. In the outer rotor type brushless motor, an armature having a coil is provided as an inner stator, and a ...

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Номер записи: 10
19-12-2013 дата публикации

STATOR MEMBER

Номер: US20130336817A1
Автор: Arita Hiroaki, Honda Yoshihiko, Kawakita Yoichi
Принадлежит:

A stator member may comprise a core member comprising a plurality of cores disposed juxtaposed to one another, a coil being wound around each of the cores and a terminal member attached to one end of the core member. The terminal member may comprise a terminal portion comprising three external terminal portions used as terminals of U, V, and W phase and a common terminal portion used as a common terminal. The three external terminal portions and the common terminal may be integrally provided. A plurality of fitting portions may protrude from the terminal portion toward the core member. Each of the plurality of fitting portions may be configured to be fitted into a corresponding one of a plurality of recessed portions formed at the one end of the core member in an elastic deformed state. 1. A stator member to be used in a stator of a brushless motor , the stator member comprising:a core member comprising a plurality of cores disposed juxtaposed to one another, a coil being wound around each of the cores; anda terminal member attached to one end of the core member, a terminal portion comprising three external terminal portions used as terminals of U, V, and W phase and a common terminal portion used as a common terminal, the three external terminal portions and the common terminal being integrally provided, and', 'a plurality of fitting portions protruding from the terminal portion toward the core member, and, 'wherein the terminal member compriseseach of the plurality of fitting portions is fitted into a corresponding one of a plurality of recessed portions formed at the one end of the core member in an elastic deformed state.2. The stator member as in claim 1 , whereineach of the three external terminal portions and the common terminal portion comprises an adhering portion adhered to an adhering section of the corresponding coil extending from the one end of the core member toward the terminal member.3. The stator member as in claim 2 , whereineach of the three ...

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Номер записи: 11
16-01-2014 дата публикации

BUSS BAR ASSEMBLY HAVING PRINTED BUSS BAR PLATES

Номер: US20140015359A1
Автор: Chamberlin Bradley D., Hamer Colin, Ramey Cary
Принадлежит:

A buss bar assembly for a multiphase electric machine. The buss bar assembly includes a substantially annular dielectric housing having a central axis. A plurality of dielectric mounting members is located within the housing. A buss bar plate assembly is disposed in the housing, and in engagement with the mounting members. The buss bar plate assembly includes a substantially planar dielectric substrate that has opposing, substantially planar axial sides, and substantially surrounds the central axis. The buss bar plate assembly also includes a plurality of electrically conductive phase bars applied to at least one of the opposing substrate sides. Each phase bar is for electrical connection to a different one of multiple electrical phases and substantially surrounds the central axis, with the phase bars being electrically isolated from each other within the housing. 1. A buss bar assembly for a multiphase electrical machine , comprising:a substantially annular dielectric housing having a central axis;a plurality of dielectric mounting members located within the housing; and a substantially planar dielectric substrate that has opposing, substantially planar axial sides, and substantially surrounds the central axis, and', 'a plurality of electrically conductive phase bars applied to at least one of the opposing substrate sides, each phase bar being for electrical connection to a different one of multiple electrical phases and substantially surrounds the central axis, the phase bars being electrically isolated from each other within the housing., 'a buss bar plate assembly disposed in the housing, and in engagement with the mounting members, the buss bar plate assembly comprising2. The buss bar assembly of claim 1 , wherein each of the plurality of mounting members is connected to the substantially annular dielectric housing.3. The buss bar assembly of claim 1 , wherein each phase bar includes a terminal for electrical connection to a different one of multiple electrical ...

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Номер записи: 12
23-01-2014 дата публикации

ELECTRICITY COLLECTION AND DISTRIBUTION RING AND ELECTRIC MOTOR

Номер: US20140021815A1
Автор: EGAMI Kenichi, Tomita Kazuhiko
Принадлежит: HITACHI METALS, LTD.

An electricity collection and distribution ring includes a plurality of bus rings for collecting and distributing respective phase currents to multiple-phase windings wound around a plurality of circularly-arranged teeth. The plural bus rings each include a plurality of terminal parts and a main body part electrically conducted to the plural terminal parts. One bus ring having the largest number of terminal parts among the plural bus rings includes the main body part and the terminal parts that are integrally formed with a plate-shaped metal member being bent. Other bus rings of the plural bus rings excluding the one bus ring are configured such that the main body part includes an annular insulated wire including a conductor and an insulation covering the conductor, and the terminal parts are connected to the main body part at a plurality of positions where the conductor is exposed with the insulation removed. 1. An electricity collection and distribution ring , comprising:a plurality of bus rings for collecting and distributing respective phase currents to multiple-phase windings wound around a plurality of circularly-arranged teeth,wherein the plurality of bus rings each comprise a plurality of terminal parts and a main body part electrically conducted to the plurality of terminal parts,wherein one bus ring having the largest number of terminal parts among the plurality of bus rings comprises the main body part and the terminal parts that are integrally formed with a plate-shaped metal member being bent, andwherein other bus rings of the plurality of bus rings excluding the one bus ring are configured such that the main body part comprises an annular insulated wire comprising a conductor and an insulation covering the conductor, and the terminal parts are connected to the main body part at a plurality of positions where the conductor is exposed with the insulation removed.2. The electricity collection and distribution ring according to claim 1 , wherein the ...

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Номер записи: 13
13-02-2014 дата публикации

Remote Rotor Parameter Sensor for Electric Drives

Номер: US20140042876A1
Автор: Mattias Welponer, Philip Georg Brockerhoff
Принадлежит: INFINEON TECHNOLOGIES AG

A rotor parameter sensor can be used for electric drives. A rotor of an electric engine or motor is monitored by a sensor sensing one or more physical observables or operation parameters. Furthermore, a method and system can be used for monitoring an electric engine or motor for use in electric or hybrid vehicles.

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Номер записи: 14
03-01-2019 дата публикации

DRIVE DEVICE FOR VEHICLES

Номер: US20190001826A1
Автор: Suzuki Kenichi
Принадлежит: NTN CORPORATION

An electric motor includes a housing, a stator, and a rotor. The stator is composed of a stator core and a stator coil. The stator coil is composed of a plurality of individual coils provided to teeth of the stator core. The housing has lubricating oil supply portion, through which the lubricating oil is supplied onto coil ends of upper individual coils. A temperature detector for detecting the temperature of the stator coil is disposed at a position lower than an axis of a rotor and higher than an oil level of the lubricating oil accumulated in the bottom portion of the housing. 1. A vehicle drive device comprising: a wheel bearing configured to support a wheel; a horizontally-mounted electric motor configured to rotate a rotating ring of the wheel bearing; and an oil supply mechanism configured to cool the electric motor with lubricating oil , whereinthe electric motor includes a housing, a stator provided inside the housing, and a rotor configured to be rotatable with respect to the stator, the stator is composed of a stator core and a stator coil, the stator core has a plurality of teeth arranged in a circumferential direction around an axis of the rotor, and the stator coil is composed of a plurality of individual coils provided on the respective teeth,the oil supply mechanism has a lubricating oil supply portion configured to supply lubricating oil onto coil ends of upper individual coils among the plurality of individual coils, and a lower portion of the stator is immersed in the lubricating oil accumulated in a bottom portion of the housing, anda temperature detector configured to detect a temperature of the stator coil is disposed at a position that is lower than the axis of the rotor and higher than an oil level of the lubricating oil accumulated in the bottom portion of the housing.2. The vehicle drive device as claimed in claim 1 , wherein the temperature detector is located within a range of a gap between individual coils adjacent in the circumferential ...

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Номер записи: 15
06-01-2022 дата публикации

ELECTRICAL MACHINE HAVING AN INTEGRATED TEMPERATURE SENSOR AND ROTOR CONDITION CAPTURE SENSOR

Номер: US20220006364A1
Автор: Fritz Thomas, Marsetz Michael, Ruppert Andreas
Принадлежит: SCHAEFFLER TECHNOLOGIES AG & CO. KG

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. 1. An electric machine for a drive of a motor vehicle , the electric machine comprising:a stator;a rotor which is rotatable relative to the stator;a temperature sensor arranged and configured to capture a temperature of the stator;a rotor condition capture sensor arranged and configured to capture at least one of a rotational speed or rotational position of the rotor accommodated in a stator-fixed manner;wherein the temperature sensor and the rotor condition capture sensor are configured as subsystems of a common sensor system, a first one of the subsystems having the temperature sensor includes an elastic, thermally conductive contact element connected to the temperature sensor, and the contact element is permanently fitted to a contact region of the stator.2. The electric machine according to claim 1 , wherein the contact element rests against a radial outside claim 1 , a radial inside claim 1 , a circumferential side or an axial side of a coil winding of the stator or is at least partially arranged within the coil winding.3. The electric machine according to claim 1 , wherein the contact element is pressed directly against a wire of a coil winding of the stator.4. The electric machine ...

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Номер записи: 16
05-01-2017 дата публикации

METHOD AND A SYSTEM FOR RELIABLY STARTING A TURBINE ENGINE

Номер: US20170002744A1
Автор: HERRIET Pierre, Poumarede Vincent
Принадлежит: TURBOMECA

There is provided a starting system for reliably starting a turbine engine, the system including first and second circuits connected in parallel and arranged between a battery of the engine and a DC starter of the engine, the first circuit including a DC-DC converter connected in series with a first switch and the second circuit including a second switch; a sensor configured to sense a speed of rotation of a compressor of the engine; a sensor configured to sense a temperature at an inlet to a free turbine of the engine; and a control circuit configured to control the first and second switches as a function of information supplied by the sensor configured to sense the speed of rotation of the compressor and by the sensor configured to sense the inlet temperature of the free turbine. 116-. (canceled)17: A starting system for reliably starting a turbine engine comprising a storage battery , a DC starter , an electronic regulation computer , a transmission gearbox , starting accessories for managing the distribution of fuel to injectors and for igniting the fuel during a starting stage , a gas generator itself comprising a compressor , a combustion chamber , and a high pressure turbine , together with a free turbine , the system comprising:first and second circuits connected in parallel and arranged between said storage battery and said DC starter, wherein the first circuit comprises a DC-DC converter connected in series with a first switch and the second circuit comprises a second switch;at least one sensor configured to sense a speed of rotation of the compressor;a sensor configured to sense a temperature at an inlet to the free turbine; anda control circuit configured to control the first and second switches as a function of information supplied by the at least one sensor configured to sense the speed of rotation of the compressor and by the sensor configured to sense the inlet temperature of the free turbine.18: The starting system according to claim 17 , further ...

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Номер записи: 17
03-01-2019 дата публикации

Stator, Rotary Electric Machine, and Manufacturing Method for Stator

Номер: US20190006904A1
Автор: Fukuda Tomohiro, KITAHARA Motoo, Nakayama Kenichi, OJIMA Kazuo
Принадлежит:

Provided is a rotor capable of improving the reliability of a connection between a lead conductor and a terminal member. A stator includes a winding wound around a stator core and having a lead conductor at an end thereof, and a terminal member having a connection portion to the lead conductor of the winding. The connection portion of the terminal member includes a winding-side connection portion that fixes the lead conductor, and a leading-end-side connection portion that fixes a portion closer to a leading end of the lead conductor than the winding-side connection portion. 1. A stator comprising:a winding wound around a stator core and having a lead conductor at an end thereof; anda terminal member having a connection portion to the lead conductor of the winding,wherein the connection portion of the terminal member includes a winding-side connection portion that fixes the lead conductor, and a leading-end-side connection portion that fixes a portion closer to a leading end of the lead conductor than the winding-side connection portion.2. The stator according to claim 1 , whereinthe leading-end-side connection portion of the terminal member is connected to the lead conductor by metal fusion bonding, andthe winding-side connection portion of the terminal member is fixed to the lead conductor by coupling different from the metal fusion bonding.3. The stator according to claim 1 , wherein a quantity of heat transferred from the lead conductor to the winding-side connection portion of the terminal member is smaller than a quantity of heat transferred from the lead conductor to the leading-end-side connection portion of the terminal member.4. The stator according to claim 3 , wherein a layer for reducing the quantity of heat transferred from the winding-side connection portion to the lead conductor is interposed between the lead conductor and the winding-side connection portion of the terminal member.5. The stator according to claim 1 , whereinthe winding-side ...

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Номер записи: 18
08-01-2015 дата публикации

System and method for controlling motor

Номер: US20150008858A1
Автор: Young Sik Oh
Принадлежит: Samsung Techwin Co Ltd

Provided are a system for controlling a motor and a method thereof. The system includes: a data storage unit in which data relating to a thermal equivalent circuit of the motor is stored; a temperature measuring unit which measures a temperature of a cooling medium which enters a cooling flow path portion; a rotation speed measuring unit which measures a rotation speed of a rotor; a driving electric current measuring unit which measures a driving electric current of the motor; a permanent magnet temperature estimating unit which estimates a temperature of the permanent magnet portion of the rotor; and a driving controller controls driving of the motor.

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Номер записи: 19
20-01-2022 дата публикации

MOTOR THERMAL PROTECTION DEVICE AND OPERATION METHOD THEREOF

Номер: US20220021279A1
Автор: LIU Siyu, Shi Lei, Shi Ying, SHUANG Bing, SUN Shuang, WANG Wenhua, ZHAO Haijun, ZHOU Zhangji
Принадлежит: Schneider Electric Industries SAS

It is disclosed a motor thermal protection device and operation method thereof. The motor thermal protection device utilizes a power supply of a motor for power supplying and comprises: a capacitor timing circuit, configured to time after the motor is powered off; a power-off time determining unit, configured to perform a reading operation of reading an output voltage of the capacitor timing circuit after the motor is powered on, and determine a power-off time from when the motor is powered off to when the motor is powered on according to the output voltage; and a heat accumulation calculating unit, configured to calculate a remaining heat accumulation when the motor is powered on according to the power-off time and a heat accumulation when the motor is powered off. 1. A motor thermal protection device which utilizes a power supply of a motor for power supplying , the motor thermal protection device comprises:a capacitor timing circuit, configured to time after the motor is powered off;a power-off time determining unit, configured to perform a reading operation of reading an output voltage of the capacitor timing circuit after the motor is powered on, and determine a power-off time from when the motor is powered off to when the motor is powered on according to the output voltage; anda heat accumulation calculating unit, configured to calculate a remaining heat accumulation when the motor is powered on according to the power-off time and a heat accumulation when the motor is powered off.2. The motor thermal protection device of claim 1 , whereinthe capacitor timing circuit comprises a power supply unit, a capacitor, a first resistor, a semiconductor switch module, a charging terminal, and an output terminal;the power supply unit is powered by a power supply of the motor and outputs a voltage to be applied to a control terminal of the semiconductor switch module, after the motor is powered off, the power supply unit stops outputting the output voltage to be applied to ...

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Номер записи: 20
12-01-2017 дата публикации

Outboard motor

Номер: US20170008606A1
Автор: Jun Noguchi
Принадлежит: Yamaha Motor Co Ltd

An outboard motor includes an engine, a power generator including a rotor and a stator, a convertor, and an engine cover configured to cover the engine and the power generator. The rotor includes a permanent magnet.

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Номер записи: 21
12-01-2017 дата публикации

MOTOR CONTROL DEVICE FOR ESTIMATING TEMPERATURE OF WINDINGS, AND METHOD FOR CALCULATING ALLOWABLE DUTY CYCLE TIME FOR MACHINE

Номер: US20170012567A1
Автор: OOHARA Taku
Принадлежит: FANUC Corporation

A motor control device according to this invention includes a correction unit which calculates a correction coefficient for correcting the temperature of windings, based on the result of a comparison between a winding estimated temperature rise profile representing the temperature of the windings estimated by a winding temperature estimation unit and a winding actual temperature rise profile representing the temperature of the windings measured by a temperature sensor, when a motor as attached to a machine is rotated at a predetermined rotational speed, to match the winding estimated temperature rise profile with the winding actual temperature rise profile, and corrects a temperature rise estimation arithmetic expression using the correction coefficient. 1. A motor control device for controlling a motor which actuates a machine , the device comprising:a winding temperature estimation unit configured to estimate a temperature of a winding of the motor in accordance with a temperature rise estimation arithmetic expression for calculating the temperature of the winding using a current value applied to the winding;a temperature sensor mounted on the winding; anda correction unit configured to calculate a correction coefficient for correcting the temperature of the winding, based on a result of a comparison between a winding estimated temperature rise profile representing the temperature of the winding estimated by the winding temperature estimation unit and a winding actual temperature rise profile representing the temperature of the winding measured by the temperature sensor, when the motor as attached to the machine is rotated at a predetermined rotational speed, to match the winding estimated temperature rise profile with the winding actual temperature rise profile, and correct the temperature rise estimation arithmetic expression using the correction coefficient.2. The motor control device according to claim 1 , wherein the correction unit corrects the temperature ...

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Номер записи: 22
14-01-2021 дата публикации

ELECTRICAL DISTRIBUTION MEMBER

Номер: US20210013761A1
Автор: EGAMI Kenichi, MASHIKO Shinsuke
Принадлежит:

An electrical distribution member includes a plurality of electrical conducting wires made of a solid wire. The electrical conducting wires each include an electrical conducting body, and a coating layer provided over a surface of that electrical conducting body, while removed therefrom over a respective predetermined length including a joining portion. The electrical conducting wires include at least one first electrical conducting wire having a joining portion extending in an axial direction of a stator core, and at least one second electrical conducting wire having a joining portion bent in relation to a radial direction of the stator core in such a manner as to follow a circumferential direction of the stator core. The predetermined length of the second electrical conducting wire with the coating layer removed therefrom is longer than the predetermined length of the first electrical conducting wire with the coating layer removed therefrom. 1. An electrical distribution member , comprising:a plurality of electrical conducting wires each being made of a solid wire, to connect a plurality of coil ends, which are protruding in an axial direction from a stator core of a rotating electrical machine, and electrodes, respectively, of a terminal block together, the plurality of electrical conducting wires each including an electrical conducting body, which is made of an electrically conductive metal, and a coating layer, which is being provided over a surface of that electrical conducting body, while being removed therefrom over a range of a predetermined length including a joining portion to be welded to the coil end, wherein the plurality of electrical conducting wires include at least one first electrical conducting wire, which has the joining portion extending in the axial direction of the stator core, and at least one second electrical conducting wire, which has the joining portion being bent in relation to a radial direction of the stator core in such a manner as ...

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Номер записи: 23
09-01-2020 дата публикации

TERMINAL DEVICE FOR ROTARY ELECTRIC MACHINE AND METHOD FOR MANUFACTURING SAME

Номер: US20200014269A1
Автор: GAO Zhishuai, UDO Toyoaki
Принадлежит: Mitsubishi Electric Corporation

Provided is a terminal device for a rotary electric machine, in which a plurality of conductive members, each having a first connecting portion having a flat plate shape, are provided to a base made of an insulating material. Each of a plurality of connection terminals has a second connecting portion having a flat plate shape. The second connecting portion is connected to a corresponding one of the first connecting portions. After a processed connecting portion being at least any one of the first connecting portion and the second connecting portion is formed through press-working performed for a conductive flat plate, compression processing is performed for a front surface and a back surface at both ends of the processed connecting portion in a width direction of the processed connecting portion. 1. A terminal device for a rotary electric machine , comprising:a base made of an insulating material;a plurality of conductive members, which are provided to the base, and each have a first connecting portion having a flat plate shape; anda plurality of connection terminals, each having a second connecting portion having a flat plate shape, the second connecting portion to be connected to a corresponding one of the first connecting portions,wherein each of the first connecting portion and the second connecting portion has a connecting-portion front surface and a connecting-portion back surface being positioned on a back side of the connecting-portion front surface,wherein any one of the connecting-portion front surface and the connecting-portion back surface of each of the second connecting portions is selectively brought into full contact with a corresponding one of the first connecting portions, andwherein the connecting-portion front surface and the connecting-portion back surface of a processed connecting portion being at least any one of the first connecting portion and the second connecting portion gradually approach each other as extending outward in a width ...

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Номер записи: 24
09-01-2020 дата публикации

FEEDING UNIT AND ROTARY ELECTRIC MACHINE

Номер: US20200014270A1
Автор: AKAZAWA Kei, OSUMI Yusuke, Suzuki Masayoshi
Принадлежит:

A feeding unit is provided which includes; a plurality of feeding bodies, each electrically connected to a conductor constituting a coil wound for each of a plurality of phases; and a resin holding portion made of resin material and integrally connecting and holding the plurality of feeding bodies, the resin holding portion comprising an external-side protection part surrounding each feeding body and a connection part connecting two of the adjacent external-side protection parts. A thickness size of the connection part is set to the same as a thickness size of a resin of the external-side protection part. 1. A feeding unit comprising:a plurality of feeding bodies, each electrically connected to a conductor forming a coil wound for each of a plurality of phases; and 'the resin holding portion comprising an external-side protection part surrounding each feeding body and a connection part connecting two of the adjacent external-side protection parts, wherein', 'a resin holding portion made of resin material and integrally connecting and holding the plurality of feeding bodies,'}a thickness size of the connection part is set to the same as a thickness size of a resin of the external-side protection part.2. The feeding unit according to claim 1 , wherein a surface of the connection part is provided with a plate-shaped reinforcement rib standing and extending so as to connect two of the adjacent external-side protection parts.3. The feeding unit according to claim 2 , wherein the reinforcement rib has a through-hole penetrating in a thickness direction thereof.4. The feeding unit according to claim 2 , wherein at least one of a corner part connecting the external-side protection part and the connection part claim 2 , a corner part connecting the connection part and the reinforcement rib claim 2 , and a corner part connecting the reinforcement rib and the external-side protection part has a corner R that links claim 2 , using a curved surface claim 2 , portions of the ...

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Номер записи: 25
09-01-2020 дата публикации

BUS BAR UNIT AND MOTOR INCLUDING THE SAME

Номер: US20200014272A1
Автор: ASAHI Yu, ATARASHI Takao, MAEDA Masayoshi
Принадлежит:

A phase bus bar unit includes a bus bar holder that is an insulator and supports of bus bars for phases of a motor rotating about a central axis, and a bus bar cover which is an insulator, covers at least one side of each of the bus bars in an axial direction, and is fixed to the bus bar holder. Each of the bus bars includes a base, extensions each extending outward in a radial direction from the base, and a terminal installed on an outer end of each of the extensions in the radial direction. The bus bar cover includes protrusions each protruding to another side in the axial direction, and the protrusions are in contact with each of the bus bars while at least one of the protrusions is in contact with the base at or adjacent to the extension. 113-. (canceled)14. A bus bar unit comprising:a bus bar holder, which is an insulator and supports a plurality of bus bars for phases of a motor rotating about a central axis; anda bus bar cover, which is an insulator, covers at least one side of each of the bus bars in an axial direction, and is fixed to the bus bar holder; whereineach of the bus bars includes a base, a plurality of extensions each extending outward in a radial direction from the base, and a terminal installed on an outer end of each of the extension in the radial direction;the bus bar cover includes a plurality of protrusions each protruding to another side in the axial direction; andthe plurality of protrusions are in contact with each of the bus bars while at least one of the protrusions is in contact with the base at or adjacent to the extension.15. The bus bar unit of claim 14 , whereinthe base of the plurality of bus bars is disposed in series in the radial direction;the bus bar holder is provided with a partition wall to separate the bus bars adjacent to each other in the radial direction from each other;a first notch notched in the axial direction is provided on an end of one side of the partition wall in the axial direction; anda portion of the ...

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Номер записи: 26
09-01-2020 дата публикации

MOTOR WINDING TEMPERATURE ESTIMATOR

Номер: US20200014326A1
Автор: MILLER GORDON RAY
Принадлежит:

Examples of the present disclosure relate to a device, method, and medium storing instructions for execution by a processor for estimating motor winding temperature. In an example, a device for estimating motor winding temperature includes a motor shaft and a motor winding. The device may include a current sense resistor to detect the current passing through a common wiring. The device may include a digital to analog converter to convert an input voltage to an analog signal for comparison to the voltage and to generate a differential voltage using the signals received from the current sense resistor and an initial voltage supplied to the motor winding. The device may include a processor to use the differential voltage and a current input value to calculate a resistance of the motor winding from comparison to a temperature conversion curve. 1. A device for estimating motor winding temperature:a motor shaft;a motor winding comprising a first coil end and a second coil end where electrical current from the first coil end and the second coil end pass through a common wiring in response to activation of at least one of the first coil end or the second coil end to move the motor shaft;a current sense resistor to measure a differential voltage through the common wiring;an analog to digital converter to convert the output signal of the current sense resistor for comparison to the voltage and to generate a differential voltage using the signals received from the current sense resistor and an initial voltage supplied to the motor winding; anda processor to use the differential voltage and a current input value to calculate a resistance of the motor winding, the processor to generate an estimated motor winding temperature from a comparison of the resistance of the motor winding to a temperature conversion curve.2. The device of claim 1 , comprising an over-temperature condition shutdown switch to stop current from reaching the motor winding in response to a detection that the ...

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Номер записи: 27
21-01-2021 дата публикации

Energy transfer circuit

Номер: US20210016033A1
Автор: David Paul BOEHM
Принадлежит: ResMed Pty Ltd

An apparatus for treating a respiratory disorder in a patient includes a power supply, a first power supply circuit coupled to the power supply, a pressure generator to generate a flow of air, a transducer to generate a flow signal representing a property of the flow of air, and motor power supply circuitry. The motor power supply circuitry includes: a motor controller to control operation of a motor in the pressure generator based on the flow signal; one or more storage elements to store energy generated by motor deceleration; an energy dissipation circuit to dissipate a portion the energy generated by the deceleration of the motor; and an energy transfer circuit to couple the one or more storage elements to the first power supply circuit and transfer the energy generated by motor deceleration and/or the energy stored by the one or more storage elements to the first power supply circuit.

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Номер записи: 28
18-01-2018 дата публикации

TEMPERATURE SENSOR

Номер: US20180017446A1
Автор: TAKEMURA Michiru, YOSHIHARA Takamasa
Принадлежит:

To provide a temperature sensor that can be attached to or removed from a neutral line without skilled technique, a temperature sensor is attached to a rectangular coil and detects temperature of the coil. The temperature sensor includes: a sensor holder extending from front end side toward back end side; a sensor body that is held by the sensor holder to locate a thermosensitive device on the front end side and from which lead wires are drawn toward the back end side, the lead wires being electrically connected to the thermosensitive device; and a clip that is fixed to the sensor holder and presses the coil against the sensor body by elastic force. 1. A temperature sensor that is attached to a rectangular electric wire and detects temperature of the electric wire , the temperature sensor comprising:a sensor holder extending from front end side toward back end side;a sensor body that is held by the sensor holder to locate a thermosensitive device on the front end side and from which lead wires are drawn toward the back end side, the lead wires being electrically connected to the thermosensitive device; anda clip that is fixed to the sensor holder and presses the electric wire against the sensor body by elastic force.2. The temperature sensor according to claim 1 , wherein the clip is fixed on the front end side of the sensor holder claim 1 , and presses claim 1 , by the elastic force claim 1 , the electric wire toward a region including a position of the sensor body at which the thermosensitive device is provided.3. The temperature sensor according to claim 1 , whereinthe clip is made of a metal plate that is bent in a U-shape,the clip includes a fixing arm, a spring part, and a holding arm, the fixing part being integrally fixed to the sensor holder and projecting in a cantilever shape to outside of the sensor holder in a width direction, the spring part being continuous with the fixing arm, and the holding arm being continuous with the spring part and facing the ...

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Номер записи: 29
21-01-2016 дата публикации

BUS BAR UNIT AND MANUFACTURING METHOD OF BUS BAR UNIT

Номер: US20160020660A1
Автор: HOUZUMI Nobuji, KUROKAWA Yoshiteru, MATSUMAE Tarou, SAKAMOTO Suguru, TAKIMOTO Tohru, Yamada Shingo
Принадлежит: KAYABA INDUSTRY CO., LTD.

A bus bar of a bus bar unit includes a main body part extended along a circumferential direction of the stator such that a plate thickness direction of the bus bar agrees with an axial direction of the stator; an extension part extended from the main body part in a radial direction of the stator; and a coil connection part provided at a tip of the extension part, the coil connection part being connectable to a winding terminal of the coil. The extension part includes a retained part having surfaces perpendicular to the axial direction of the stator on both sides of the plate thickness direction. The retained part are held by molds for the insert molding of the bus bar when the insulating resin is formed by the insert molding of the bus bar. 1. A bus bar unit comprising:a bus bar configured to pass a current to a coil wound around a stator, the bus bar being formed of an annular-shaped or an arc-shaped conductive member; andan insulating resin formed by insert molding of the bus bar,wherein the bus bar comprises a main body part extended along a circumferential direction of the stator such that a plate thickness direction of the bus bar agrees with an axial direction of the stator; an extension part extended from the main body part in a radial direction of the stator; and a coil connection part provided at a tip of the extension part, the coil connection part being connectable to a winding terminal of the coil,the extension part comprises a retained part having surfaces perpendicular to the axial direction of the stator on both sides of the plate thickness direction, andthe retained part are held by molds for the insert molding of the bus bar when the insulating resin is formed by the insert molding of the bus bar.2. The bus bar unit according to claim 1 ,wherein the bus bar includes a plurality of bus bars, andthe respective main body parts of the plurality of the bus bars are arranged with spaces therebetween in the axial direction of the stator and the respective ...

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Номер записи: 30
19-01-2017 дата публикации

ROTATING ELECTRIC MACHINE

Номер: US20170019000A1
Автор: Kawaguchi Takayuki, KUROKAWA Yoshiteru, SAKAMOTO Suguru
Принадлежит: KYB Corporation

A rotating electric machine with a stator unit having a coil wound therearound includes a busbar unit assembled with the stator unit and having a winding end part of the coil connected thereto, and a thermistor for detecting a temperature of the coil. The busbar unit includes a fixing portion for pressing and fixing the thermistor to the coil. 1. A rotating electric machine with a stator unit having a coil wound therearound , comprising:a wire connection member assembled with the stator unit and having a winding end part of the coil connected thereto; anda temperature detector configured to detect a temperature of the coil, wherein:the wire connection member includes a fixing portion configured to press and fix the temperature detector to the coil.2. The rotating electric machine according to claim 1 , further comprising a heat transfer material interposed between the coil and the temperature detector claim 1 , wherein:the heat transfer material has elasticity.3. The rotating electric machine according to claim 1 , wherein:the fixing portion includes a gripping piece configured to grip a side surface of the temperature detector.4. The rotating electric machine according to claim 3 , wherein:the gripping piece includes a projection that projects toward the side surface of the temperature detector.5. The rotating electric machine according to claim 1 , wherein:the fixing portion is integrally formed on an outer periphery of the wire connection member.6. The rotating electric machine according to claim 1 , wherein:the wire connection member includes a positioning portion configured to be engaged with the stator unit; andthe temperature detector is pressed and fixed at the same time as the wire connection member is engaged with the stator unit. The present invention relates to a rotating electric machine with a stator unit having a coil wound therearound.JP2003-83258A discloses a configuration, in which a temperature detector is fixed to the surface of a coil to detect ...

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Номер записи: 31
19-01-2017 дата публикации

Power machine tool having an electronically commutated drive motor

Номер: US20170019001A1
Автор: Albrecht Boehringer, Joachim Heizmann, Patrick Budaker
Принадлежит: ROBERT BOSCH GMBH

In a power machine tool which has an electronically commutated drive motor that has a motor shaft and to which a stator core is assigned that s provided at least sectionally with an insulating body at one axial end, with a printed circuit board being disposed in the area of the insulating body and being provided with at least one rotational-direction sensor and at least one temperature sensor as well as a contact element for the electrical contacting of the at least one rotational-direction sensor and the at least one temperature sensor, the printed circuit board is aligned at least sectionally parallel to the motor shaft, and is disposed on the insulating body in such a way that the at least one rotational-direction sensor faces the motor shaft.

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Номер записи: 32
03-02-2022 дата публикации

MOTOR CONTROL APPARATUS AND METHOD FOR SECURING INSULATION PERFORMANCE

Номер: US20220037966A1
Автор: BAE Kyung Gook
Принадлежит:

A motor control apparatus for securing insulation performance includes: a temperature sensor detecting a temperature of a motor; an altitude detection means providing information on an altitude at which the motor is positioned; and a controller including a motor output map having a plurality of groups of map data in which motor output limit rates depending on temperatures of the motor are pre-stored for each preset altitude section, selecting one group of map data corresponding to the information on the altitude provided by the altitude detection means, and determining a motor output limit rate by applying the temperature detected by the temperature sensor to the selected group of map data. 1. A motor control apparatus for securing insulation performance , the motor control apparatus comprising:a temperature sensor configured to detect a temperature of a motor;an altitude detection means configured to provide a current altitude of the motor at which the motor is positioned; anda controller including a motor output map having a plurality of groups of map data in which motor output limit rates depending on temperatures of the motor are pre-stored for each preset altitude section, the controller configured to: select one group of map data, among the plurality of groups of map data, based on the current altitude of the motor provided by the altitude detection means, and determine a motor output limit rate by applying the temperature detected by the temperature sensor to the selected group of map data.2. The motor control apparatus of claim 1 , wherein the altitude detection means is a navigator configured to provide the current altitude of the motor based on a current altitude of a vehicle including the motor through a global positioning system (GPS) signal.3. The motor control apparatus of claim 1 , wherein:the altitude detection means is a navigator having a database in which altitude information depending on latitude information and longitude information is pre- ...

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Номер записи: 33
17-01-2019 дата публикации

System and method for wirelessly managing electric motors

Номер: US20190020247A1
Автор: Anandan C. Velayutham, Christopher D. Schock, Prakash B. Shahi, Randy L. Bomkamp
Принадлежит: Nidec Motor Corp

A system and method for wirelessly communicating with an HVAC motor or other motor in order to manage the motor with regard to, e.g., identifying a suitable replacement for, programming, monitoring and/or diagnosing, and/or tuning or otherwise reprogramming the motor without physically connecting to the motor. A technician uses a software application on a smartphone, tablet, or other portable device to communicate with the motor controller via a wireless communication device incorporated into the motor assembly. The smartphone may receive relevant information, such as identification, programming, or diagnostic information, and process the information or wirelessly transmit the information to a server for processing. Based on the information, the smartphone may transmit programming instructions to the motor controller via the wireless communication device. Further, the wireless communication device may transmit sensor data associated with the motor to allow for monitoring the motor's performance.

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Номер записи: 34
25-01-2018 дата публикации

MOTOR HAVING FUNCTION OF GENERATING AND FEEDING ELECTRIC POWER AT COIL END PORTION

Номер: US20180026496A1
Автор: ZHI Chao
Принадлежит:

A motor according to an embodiment of the present invention has a stator including windings wound therein, and a rotor disposed inside the stator. The motor includes an electric circuit unit, and an induction generator coil disposed in the vicinity of a coil end of the winding so as to generate electric power by a change of magnetic flux generated by the winding. The electric circuit unit is driven by the electric power generated and fed by the induction generator coil. 1. A motor having a stator including a winding wound therein and a rotor disposed inside the stator , the motor comprising:an electric circuit unit; andan induction generator coil disposed in the vicinity of a coil end of the winding so as to generate electric power by a change of magnetic flux generated by the winding,wherein the electric circuit unit is driven by the electric power generated and fed by the induction generator coil.2. The motor according to claim 1 , wherein the electric circuit unit is a sensor for measuring at least one of a current flowing through the winding claim 1 , the temperature or vibration of the stator claim 1 , the temperature or vibration of the rotor claim 1 , the humidity inside the motor claim 1 , the temperature or vibration of a bearing for supporting the rotor claim 1 , and the magnetic flux intensity inside the motor.3. The motor according to claim 1 , wherein the electric circuit unit drives at least one of an actuator to remove foreign matter from the inside of the motor claim 1 , an actuator to grease a bearing for supporting the rotor claim 1 , and a mechanism to apply a brake torque to the rotor.4. The motor according to claim 1 , wherein the electric circuit unit has a wireless transceiver function. This application is a new U.S. patent application that claims benefit of JP 2016-141414 filed on Jul. 19, 2016, the content of JP 2016-141414 is incorporated herein by reference.The present invention relates to a motor, and specifically relates to a motor ...

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Номер записи: 35
24-01-2019 дата публикации

DRIVELINE FOR SUPPLY OF ELECTRICAL ENERGY

Номер: US20190028050A1
Автор: MEHLICH ANDREAS
Принадлежит:

A method and a driveline are used for stabilization of an electrical grid. The driveline for an electricity generator includes a controllable power unit, such as a gas motor or a gas turbine. A generator generates electrical power. The generator is connectable to the electrical grid for feeding electrical power into the electrical grid. A torque limiting coupling is arranged in the driveline between the generator and the power unit. To limit the torque, the torque limiting coupling is caused to slip and a limited torque is provided to the generator. 112-. (canceled)13. A driveline for electricity generation , the driveline comprising:a generator connectable to an electrical grid for feeding electrical power into the electrical grid;a controllable power unit for driving said generator; anda torque limiting coupling disposed in the driveline between said generator and said power unit.14. The driveline according to claim 13 , further comprising a gearbox arranged between said power unit and said torque limiting coupling.15. The driveline according to claim 13 , wherein said torque limiting coupling is configured to limit a torque by slippage of said torque limiting coupling.16. The driveline according to claim 13 , wherein said torque limiting coupling is a frictional coupling and said frictional coupling comprises a cooling device.17. The driveline according to claim 16 , wherein said cooling device comprises a liquid cooling unit.18. The driveline according to claim 16 , wherein said frictional coupling is a multi-disc clutch.19. The driveline according to claim 13 , wherein said torque limiting coupling is a load limiting and disconnecting safety coupling claim 13 , and wherein said load limiting and disconnecting coupling provides a slippage up to a predetermined slippage angle before disconnection.20. The driveline according to claim 19 , wherein the predetermined slippage angle before disconnection is dependent on a rotational speed of an output shaft of said ...

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Номер записи: 36
24-04-2014 дата публикации

Buss bar assembly

Номер: US20140113472A1
Автор: Bradley D. Chamberlin, Clemens Burger, David L. Durant
Принадлежит: REMY TECHNOLOGIES LLC

A buss bar assembly for electrically interconnecting phase leads of first, second, and third phase coil winding assemblies arranged about a stator central axis. A substantially annular dielectric body defines a buss bar central axis, and has an inner face. Substantially annular first, second, and third phase bars at least partially disposed within the body have first, second, and third pluralities, respectively, of phase bar contacts angularly spaced from each other at locations about the buss bar central axis and electrically engagable from outside of the body. The buss bar assembly is adapted for installation such that the stator central axis is substantially surrounded by the body, the coil winding assemblies and inner face interface, and phase leads of the first, second, and third phase coil winding assemblies are electrically engaged with the first, second, and third pluralities of phase bar contacts, respectively.

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Номер записи: 37
02-02-2017 дата публикации

MOTOR CONTROL DEVICE CAPABLE OF MEASURING TEMPERATURE OF ROTOR AND MOTOR PROVIDED THEREWITH

Номер: US20170033728A1
Автор: Yukawa Fumito
Принадлежит: FANUC Corporation

The motor control device of the present invention comprises a sensor gear expansion amount estimation part which estimates the amount of expansion of a sensor gear, a sensor mount expansion amount estimation part which estimates the amount of expansion of a sensor mount, a sensor gear expansion amount correction part which corrects the estimated amount of expansion of the sensor gear, and a rotor temperature estimation part which estimates the temperature of the rotor based on the corrected sensor gear expansion amount of the sensor gear. 1. A motor control device controlling a motor which comprises a sensor gear mounted to a rotor of the motor; a magnetic sensor which detects the presence/absence of each of a plurality of teeth provided successively at predetermined intervals on the outer periphery of the sensor gear as signals; a sensor mount to which the magnetic sensor is mounted; and a temperature detector which detects the temperature of the sensor mount; the motor control device comprises:', 'a sensor gear expansion amount estimation part which estimates the amount of expansion of the sensor gear based on the amount of change in the strength of the output signal of the magnetic sensor;', 'a sensor mount expansion amount estimation part which estimates the amount of expansion of the sensor mount based on the temperature detected by the temperature detector;', 'a sensor gear expansion amount correction part which corrects the estimated expansion of the sensor gear by subtracting the estimated expansion amount of the sensor mount from the estimated expansion amount of the sensor gear; and', 'a rotor temperature estimation part which estimates the temperature of the rotor based on the corrected expansion amount of the sensor gear., 'wherein'}2. The motor control device according to further comprising:a sensor output signal correction part which corrects the strength of the output signal of the magnetic sensor based on the temperature detected by the temperature ...

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Номер записи: 38
30-01-2020 дата публикации

STANDBY GENERATOR INCLUDING MULTIPLE EXERCISE CYCLES WITH AMBIENT TEMPERATURE CONTROL

Номер: US20200032700A1
Автор: Jungmann Rick, Miller Michael, Townsend Robert, Weigand Dean
Принадлежит: Briggs & Stratton Corporation

A method and system for exercising a standby generator is disclosed. The standby generator can be exercised in at least two different exercise cycles, including an express exercise cycle and an extended exercise cycle. The system and method operates the generator for an express exercise cycle having a first duration when the ambient temperature at or near the standby generator exceeds a minimum threshold temperature. If the ambient temperature does not exceed the minimum threshold temperature, the express exercise cycle does not begin. In addition to the express exercise cycle, the engine of the standby generator is started and run for an extended exercise cycle having a duration that exceeds the duration of the express exercise cycle. The extended exercise cycles are separated by a first interval while the express exercise cycles are separated by a second interval, where the first interval is longer than the second interval. 1. A method of exercising a standby generator , comprising:determining if the standby generator is due for an extended exercise cycle;starting an engine of the standby generator and running the engine for the extended exercise cycle when the standby generator is due for the extended exercise cycle;determining if the standby generator is due for an express exercise cycle;detecting an ambient temperature at or near the standby generator; andstarting the engine of the standby generator and running the engine for the express exercise cycle only when the standby generator is due for the express exercise cycle and the ambient temperature exceeds a minimum threshold temperature.2. The method of wherein a duration of the extended exercise cycle is at least double a duration of the express exercise cycle.3. The method of wherein the extended exercise cycle is scheduled to occur at a first interval and the express exercise cycle is scheduled to occur at a second interval claim 1 , wherein the first interval is longer than the second interval.4. The ...

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Номер записи: 39
17-02-2022 дата публикации

STATOR FOR AN ELECTRIC MACHINE

Номер: US20220052575A1
Автор: Ruppert Andreas
Принадлежит: SCHAEFFLER TECHNOLOGIES AG & CO. KG

A stator for an electric machine is provided having a winding with plurality of interconnected conductors assigned to one or more phases. The ends of at least some of the conductors protrude axially or radially beyond the winding at the inner circumference or at the outer circumference of the winding, wherein an interconnection ring, to which the conductors are connected, is positioned axially or radially on the winding. The ends of in each case at least two conductors assigned to one phase protrude radially or axially outwards and are connected to a power connection arranged radially outside the winding. 1. A stator for an electric machine , comprising: a winding comprising a plurality of interconnected conductors assigned to one or more phases , wherein ends of at least one of the conductors protrude axially or radially beyond the winding at an inner circumference or at an outer circumference of the winding , wherein an interconnection ring , to which the conductors are connected , is positioned axially or radially on the winding , and wherein the ends of in each case at least two conductors assigned to one phase protrude radially or axially outwards and are connected to a power connection arranged radially outside the winding.2. The stator according to claim 1 , wherein the interconnection ring has a plurality of separate line bridges to which the ends are connected.3. The stator according to claim 2 , wherein the line bridges have radially or axially protruding connection sections to which the ends are connected.4. The stator according to claim 2 , wherein the line bridges are arranged radially and axially offset from one another.5. The stator according to claim 3 , wherein the interconnection ring has a housing in which the line bridges are arranged.6. The stator according to claim 5 , wherein the housing has openings through which the connection sections protrude.7. The stator according to claim 1 , wherein the radially or axially outwardly guided ends of a ...

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Номер записи: 40
17-02-2022 дата публикации

STATOR

Номер: US20220052586A1
Автор: Fukunaga Kenichi, NAGASE Kimihiro
Принадлежит:

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. 1. A stator for a rotary electric machine , the stator comprising:a stator core having a hollow cylindrical shape, the stator core including slots; anda stator winding comprising segment conductors held in the slots, wherein a first slot, and', 'a second slot shallower than the first slot, and, 'the slots extending outward in a radial direction from an inner peripheral surface of the stator core comprise'} 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 protruding from an end surface of the stator core., 'the segment conductors comprise a segment conductor including'}2. The stator according to claim 1 , whereinthe slots include first slot groups each comprising first slots and second slot groups each comprising second slots,the first slot groups and the second slot groups are alternately arranged in a circumferential direction of the stator core,the first slots include the first slot, and the second slots include the second slot, andthe second slots are ...

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Номер записи: 41
31-01-2019 дата публикации

Permanent-Magnet Synchronous Machine with Automatic Rotor Decoupling in the Winding Short Circuit

Номер: US20190036418A1
Автор: Andre Jansen, Christoph Adam, Olaf Koerner
Принадлежит: SIEMENS AG

A permanent-magnet synchronous machine includes a stator in which a stator winding is arranged, a rotor which can rotate about a rotation axis and in which permanent magnets are arranged, wherein the rotor is connected to a motor shaft via a connecting device which is formed such that it initially connects the rotor to the motor shaft in a rotationally fixed manner, such that a torque which is generated by the interaction of stator winding and permanent magnet is transmitted to the motor shaft, where the connecting device is further configured automatically break the rotationally fixed connection of the rotor in the event of a short circuit of the stator winding, such that a torque that acts on the motor shaft is no longer transmitted to the rotor.

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Номер записи: 42
31-01-2019 дата публикации

Power Generation Systems

Номер: US20190036420A1
Автор: Koeneman Douglas Alan, Woods Edward J.
Принадлежит:

A power generation system is provided that includes an internal combustion engine configured to provide rotational mechanical energy. A generator is configured to receive the rotational mechanical energy and generate electrical power in response to the rotational mechanical energy. A fluid medium is provided to the internal combustion engine and to the generator for removing thermal energy from the internal combustion engine and from the generator. 120-. (canceled)21. A power generation system comprising:a generator;a combination of power applications, each power application connected to a power demand different from another;a logic control can model design capabilities of the respective power applications; anda mode control combines the design capabilities to create a design capability of the power generating system which is different from the design capabilities of the respective power applications.22. The system of wherein the logic control models:a maximum sustainable available power to at least one connected power demand; anda maximum intermittent and instantaneous available power.23. The system of wherein the logic control assesses the durability of respective power applications within the model and indicates the assessment to the power generation system.24. The system of wherein the logic control changes proportions of contributions of the respective power applications to change power available to the respective power demands to another maximum sustainable available power.25. The system of wherein the mode control:receives an indication from at least one of the power applications; andin response to the indication, modifies activation and proportion contributions to the respective power applications.26. The system of further comprising an interface.27. A power generation system comprising:a generator;a logic control;a combination of power applications, each power application connected to a power demand different from another;a thermal system connected to a ...

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Номер записи: 43
30-01-2020 дата публикации

VEHICLE

Номер: US20200036268A1
Автор: AZUSAWA Keisuke, INOUE Masashi
Принадлежит: HONDA MOTOR CO., LTD.

A vehicle comprises an electric motor, an electric motor control device which controls electric power to be supplied to the electric motor, an atmospheric pressure detection part which detects atmospheric pressure, and a storage part which stores the number of times that a voltage exceeding a partial discharge inception voltage set according to the atmospheric pressure detected by the atmospheric pressure detection part is input to the electric motor. 1. A vehicle comprising:an electric motor;an electric motor control device which controls electric power to be supplied to the electric motor;an atmospheric pressure detection part which detects atmospheric pressure; anda storage part which stores the number of times that a voltage exceeding a partial discharge inception voltage set according to the atmospheric pressure detected by the atmospheric pressure detection part is input to the electric motor.2. The vehicle according to claim 1 , whereinthe electric motor control device limits a voltage to be supplied to the electric motor if the number of times stored in the storage part exceeds a predetermined number of times.3. The vehicle according to claim 2 , further comprising:a power conversion device which converts the electric power to be supplied to the electric motor, whereinthe electric motor control device limits a boosting voltage output by the power conversion device.4. The vehicle according to claim 1 , further comprising:a temperature detection part which detects temperature, whereinthe partial discharge inception voltage is set based on the atmospheric pressure detected by the atmospheric pressure detection part and the temperature detected by the temperature detection part.5. The vehicle according to claim 4 , whereinthe electric motor includes a stator in which a coil covered with an insulating film is wound and a rotor, andthe temperature detection part detects the temperature of the coil.6. The vehicle according to claim 5 , whereinthe coil includes a ...

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Номер записи: 44
08-02-2018 дата публикации

ENCODER CAPABLE OF ERASING MEMORY INFORMATION AND MOTOR SYSTEM INCLUDING THE SAME

Номер: US20180041099A1
Автор: UEMATSU Hidetoshi
Принадлежит: FANUC Corporation

An encoder which detects information on the position or the speed of a motor includes memory which stores motor-specific information on the motor to be mounted on the encoder, a mount determination unit which determines whether the encoder has been removed from the motor, and a memory information erasure unit which erases the motor-specific information stored in the memory when the mount determination unit determines that the encoder has been removed from the motor. 1. An encoder which detects information on one of a position and a speed of a motor , the encoder comprising:memory which stores motor-specific information on the motor to be attached to the encoder;a mount determination unit which determines whether the encoder has been removed from the motor; anda memory information erasure unit which erases the motor-specific information stored in the memory when the mount determination unit determines that the encoder has been removed from the motor.2. The encoder according to claim 1 , whereinthe mount determination unit comprises:a connection detection connector which is connected to conducting wires led from a temperature sensor provided in the motor when the encoder is mounted on the motor, and is released from connection to the conducting wires when the encoder is removed from the motor; anda determination processing unit which determines whether connection between the connection detection connector and the conducting wires has been released, andthe determination processing unit determines that the encoder has been removed from the motor when it is determined that the connection between the connection detection connector and the conducting wires has been released.3. A motor system comprising a motor and the encoder claim 2 , according to claim 2 , that detects information on one of a position and a speed of the motor claim 2 ,the motor comprising:a temperature sensor which detects a temperature of the motor; anda motor connector configured to connect conducting ...

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Номер записи: 45
08-02-2018 дата публикации

CONTROL DEVICE FOR ACTUATOR, ACTUATOR, VALVE DRIVING DEVICE AND CONTROL METHOD FOR ACTUATOR

Номер: US20180041156A1
Автор: HATANO Kenta, Kawamura Satoshi
Принадлежит: Mitsubishi Electric Corporation

A position sensor mounted in an actuator includes a magnetic detecting element for detecting the position of a shaft, and a temperature detecting element for detecting intra-sensor temperature which is used for correction of the temperature characteristics of the magnetic detecting element, the magnetic detecting element and the temperature detecting element being built therein. A control device for the actuator acquires both the temperature-corrected position of the shaft and the intra-sensor temperature from the position sensor, and uses them for control of the actuator. 16.-. (canceled)7. A control device for an actuator , the actuator including a shaft , a direct-current motor for causing the shaft to reciprocate in an axial direction , and a position sensor for detecting a position of the shaft , the control device comprising:an acquirer to acquire both the position of the shaft which is temperature-corrected by using intra-sensor temperature detected by a temperature detecting element built in the position sensor, and the intra-sensor temperature; anda controller to control the actuator by using both the temperature-corrected position of the shaft and the intra-sensor temperature which are acquired by the acquirer.8. The control device for the actuator according to claim 7 , further comprising a coil temperature estimator to estimate a temperature of a coil of the direct-current motor claim 7 , anda temperature corrector to correct the temperature of the coil estimated by the coil temperature estimator by using the intra-sensor temperature acquired by the acquirer, andwherein the controller controls the actuator by using both the temperature-corrected position of the shaft acquired by the acquirer, and the temperature corrected by the temperature corrector.9. The control device for the actuator according to claim 7 , further comprising an abnormality determiner to determine that internal temperature of the actuator is abnormal when the intra-sensor temperature ...

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Номер записи: 46
07-02-2019 дата публикации

SUBMERSIBLE PUMPING APPARATUS, COMPRISING LINEAR ELECTRIC MOTOR AND DOUBLE ACTION PUMP

Номер: US20190040858A1
Автор: KHACHATUROV Dmitrij Valerevich
Принадлежит:

A submersible pumping apparatus comprises a filtration system (), a gravity gas separator, a head (), a double action pump (), a linear driven electric motor (), a hydro-protector () in the bottom part of the apparatus, and a telemetry system () united in a single housing (). The linear electric motor () comprises a fixed part, a stator (), filled with a dielectric liquid, and a movable part, a slider (), comprising several sections spaced-apart from a stator central axis, mechanically connected to movable parts of the pump (), plungers, one of which is located inside the stator (), the second one is located inside the hydro-protector (), fixed parts of the pump (), cylinders, are arranged as follows: one cylinder is in the central part of the stator (), and the second cylinder is inside the hydro-protector (). 1. A submersible pumping apparatus comprising , in a single housing , a linear electric motor comprising a fixed part in the form of a sealed stator filled with a dielectric liquid comprising a three-phase winding with mounted temperature sensors , and a movable part being slider , wherein the movable part comprises several sections that are spaced apart in a circumferential direction of the stator , configured to reciprocate relative to the stator , and have a mechanical connection with plungers of pumps; one of the pumps is located in the inner cavity of the stator , the second pump is located in the bottom part of the apparatus in the inner cavity of a hydro-protector; pump cylinders comprise hydraulic dampers of the stroke end points; working chambers of the pumps are interconnected and have a connection with an external environment through filters , located on both sides of the stator , and a suction valve , and with an outlet manifold through a check valve and a unit for attachment of an oil-well pumping apparatus to a tubing string; slider guides made of an antifriction material and position sensors are mounted on both sides of the stator; mounted in ...

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Номер записи: 47
19-02-2015 дата публикации

Motor drive device

Номер: US20150048772A1
Автор: Hiroshi Sugie, Shuya Sano, Yuichi Nagata
Принадлежит: Mitsubishi Electric Corp

A motor drive device in embodiments includes: a motor drive unit that generates a current for driving a motor on a basis of a position command and a position detection value of the motor; a motor-coil ambient-temperature estimation unit that calculates a motor-coil ambient-temperature estimation value by correcting an output value of a temperature sensor provided in a peripheral portion of a motor coil of the motor by using a filter including both a phase-lead characteristic and a low-pass characteristic; a motor-coil increased-temperature estimation unit 6 that calculates a motor-coil increased-temperature estimation value on a basis of the current; and a motor-coil protection unit 9 that limits the current on a basis of the motor-coil ambient-temperature estimation value and the motor-coil increased-temperature estimation value.

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Номер записи: 48
07-02-2019 дата публикации

ELECTRIC GENERATOR COOLING METHOD

Номер: US20190044414A1
Автор: AIROLDI GIOVANNI
Принадлежит:

Provided is a method for cooling an electric generator including the steps of: monitoring the temperature of the end winding and of the magnet through said first and second temperature sensors, if the temperatures of the end winding and/or of the magnet rises and reaches a first upper limit, operating the plurality of cooling fans for providing a first cooling power to the electric generator, if, while the first cooling power is provided, the temperature of the magnet reaches the second maximum acceptable temperature and the temperature of the end winding is lower than the first maximum acceptable temperature, operating the plurality of cooling fans for providing a second cooling power to the electric generator, the second cooling power being lower than the first cooling power. 1. A method for cooling an electric generator comprisinga stator including a plurality of windings and at least an end winding associated to a first temperature sensor, the end winding being operatable up to a first maximum acceptable temperature,a rotor including at least a magnet associated to a second temperature sensor, the magnet being operatable up to a second maximum acceptable temperature,one or more cooling fans, which in their active state generate air flows through the electric generator, for cooling the end winding and the magnet,wherein the method includes the steps of:monitoring the temperatures of the end winding and of the magnet through said first and second temperature sensors,if the temperature of the end winding and/or of the magnet rises and reaches a first upper limit, operating the plurality of cooling fans for providing a first cooling power to the electric generator,if, while the first cooling power is provided, the temperature of the magnet reaches the second maximum acceptable temperature and the temperature of the end winding is lower than the first maximum acceptable temperature, operating the plurality of cooling fans for providing a second cooling power to the ...

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Номер записи: 49
07-02-2019 дата публикации

Connection Between a Winding and a Circuit Board

Номер: US20190044420A1
Автор: Jaster Magnus, Krause Robert
Принадлежит: Continental Automotive GmbH

Various embodiments may include a connection between a winding for an electric machine and a circuit board for an inverter including a connection between the winding and a circuit board for an inverter. A coil end piece of the stator winding extends in a first direction and is welded or connected in a form-fitting manner directly to the circuit board on which a power output stage of the inverter is located. 1. A connection between a winding for an electric machine and a circuit board for an inverter , the connection comprising:a coil end piece of the stator winding extending in a first direction;wherein the coil end piece is welded or connected in a form-fitting manner directly to the circuit board on which a power output stage of the inverter is located.2. The connection as claimed in claim 1 , wherein the circuit board forms a connecting section to which the coil end piece is welded or connected;the connecting section elastic in the first direction.3. The connection as claimed in claim 2 , further comprising a sensor for measuring current claim 2 , the sensor soldered onto the connecting section.4. The connection as claimed in claim 3 , wherein the sensor comprises a copper strip or a shunt.5. The connection as claimed in claim 2 , further comprising a second sensor for measuring temperature claim 2 , the second sensor soldered onto the connecting section.6. The connection as claimed in claim 5 , wherein the further sensor comprises an NTC temperature sensor or an SMD temperature sensor.7. The connection as claimed in claim 4 , wherein the sensor projects beyond the connecting section and is welded to the coil end piece.8. An electric machine comprising:an inverter having a power output stage; and aa stator winding;a circuit board for the inverter; anda connection comprising a coil end piece of the stator winding extending in a first direction;wherein the coil end piece is welded or connected in a form-fitting manner directly to the circuit board on which the ...

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Номер записи: 50
06-02-2020 дата публикации

ELECTRIC MACHINE THERMAL MANAGEMENT

Номер: US20200044515A1
Автор: DUNN Casey Taylor
Принадлежит:

An electric machine for an electrified vehicle includes a stator and a temperature sensor assembly. The temperature sensor assembly includes an elongated housing having an anchor portion disposed within the windings. The anchor portion includes a screw thread extending about an outer perimeter of the elongated housing, resilient tabs extending from the outer perimeter, and a temperature sensor housed within the anchor portion of the elongated housing. 1. An electric machine for an electrified vehicle , comprising:a stator including windings extending about a central axis; and a screw thread extending about an outer perimeter of the elongated housing,', 'resilient tabs extending from the outer perimeter, and', 'a temperature sensor housed within the anchor portion of the elongated housing., 'a temperature sensor assembly including an elongated housing having an anchor portion disposed within the windings, the anchor portion including'}2. The electric machine of wherein the screw thread is axially disposed between axially spaced apart portions of axially adjacent windings.3. The electric machine of wherein at least one ramp surface of the screw thread is configured to engage at least one of the axially adjacent windings to restrict axial movement of the temperature sensor assembly relative to the at least one axially adjacent winding.4. The electric machine of wherein the ramp surface defines an angle of inclination that corresponds to an angle of inclination of the at least one axially adjacent winding.5. The temperature sensor assembly of wherein the screw thread is a first screw thread claim 2 , and wherein the anchor portion further includes a second screw thread axially spaced along the elongated housing from the first screw thread.6. The temperature sensor assembly of wherein an individual winding extends between the first and second axially spaced screw threads.7. The electric machine of wherein the resilient tabs are radially disposed between radially apart ...

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Номер записи: 51
06-02-2020 дата публикации

ELECTRIC MACHINE THERMAL MANAGEMENT

Номер: US20200044516A1
Автор: DUNN Casey Taylor
Принадлежит:

A temperature sensor assembly for an electric machine includes an elongated housing including an anchor portion, a temperature sensor disposed in the anchor portion, and a retention body extending from the elongated housing opposite the anchor portion and including spaced apart retention arms. The temperature sensor assembly further includes a wire guide extending from the retention body and extending along a retention arm away from the elongated housing, and a lead wire extending from the temperature sensor and through the wire guide. 1. A temperature sensor assembly for an electric machine , comprising:an elongated housing including an anchor portion;a temperature sensor disposed within the anchor portion;a retention body extending from the elongated housing opposite the anchor portion and including spaced apart retention arms;a wire guide extending from the retention body and extending along a retention arm away from the elongated housing; anda lead wire extending from the temperature sensor and through the wire guide.2. The temperature sensor assembly of wherein the elongated housing is a cylindrical housing that extends along a central axis claim 1 , and wherein the retention arms extend in a direction substantially orthogonal to the central axis.3. The temperature sensor assembly of wherein the retention arms include a first retention arm and a second retention arm spaced from the first retention arm to define a channel therebetween.4. The temperature sensor assembly of wherein the first and second retention arms are resiliently deformable first and second retention arms.5. The temperature sensor assembly of wherein the retention body includes a retention base disposed at an end of the elongated housing opposite the anchor portion claim 4 , and wherein the first and second retention arms extend from the base.6. The temperature sensor assembly of wherein an inner surface of the retention base cooperates with opposing inner surfaces of the first and second ...

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Номер записи: 52
06-02-2020 дата публикации

ELECTRIC MACHINE THERMAL MANAGEMENT

Номер: US20200044517A1
Автор: DUNN Casey Taylor, SHELDON Daniel Frank
Принадлежит:

An electric machine for an electrified vehicle includes a stator including windings and a bridge extending across the windings and in engagement with the windings. The electric machine further includes a temperature sensor assembly secured to the bridge. The temperature sensor assembly includes a retention housing having a base and spaced apart retention arms extending from the base. The temperature sensor assembly further includes a temperature sensor disposed within the retention housing. An adhesive is disposed between the retention housing and the bridge. 1. An electric machine for an electrified vehicle , comprising:a stator including windings and a bridge extending across the windings and in engagement with the windings; a retention housing having a base and spaced apart retention arms extending from the base, and', 'a temperature sensor disposed within the retention housing; and, 'a temperature sensor assembly secured to the bridge and including'}an adhesive disposed between the retention housing and the bridge.2. The electric machine of wherein the adhesive is disposed between the base and a side surface of the bridge.3. The electric machine of wherein the adhesive is disposed between the retention arms and opposing planar surfaces of the bridge.4. The electric machine of wherein the base engages the bridge at a side surface of the bridge claim 1 , and wherein the retention arms engage the bridge at opposing planar surfaces that extend generally orthogonal to the side surface.5. The electric machine of wherein the temperature sensor assembly further includes a wire guide that extends from the base and away from the bridge.6. The electric machine of wherein the retention housing further includes opposing distal end clips extending from distal portions of the retention arms and disposed in engagement with the bridge.7. The electric machine of wherein the base engages the bridge at a side surface of the bridge claim 6 , and wherein the opposing distal end clips ...

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Номер записи: 53
06-02-2020 дата публикации

TEMPERATURE PREDICTION DEVICE, COMPRESSOR WITH MAGNETIC BEARING MOUNTED THEREON, TEMPERATURE PREDICTION METHOD AND PROGRAM

Номер: US20200044597A1
Автор: Hasegawa Yasushi, TOKIMASA Yasunori
Принадлежит: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.

A temperature prediction device includes an application voltage specifying unit which specifics a voltage value applied to an electromagnetic coil based on a distance from a distance detection unit provided in the electromagnetic coil to an output shaft, a coil current detection unit which detects a current value flowing when a voltage is applied to the electromagnetic coil on the basis of the voltage value specified by the application voltage specifying unit, and a coil temperature estimation unit which estimates a temperature of the electromagnetic coil on the basis of the voltage value specified by the application voltage specifying unit, the current value detected by the coil current detection unit, and a relational expression between the voltage value applied to the electromagnetic coil, the current value flowing when a voltage is applied to the electromagnet coil on the basis of the voltage value applied to the electromagnetic coil, and the temperature of the electromagnetic coil. 1. A temperature prediction device comprising:an application voltage specifying unit configured to specify a voltage value applied to an electromagnetic coil based on a distance from a distance detection unit provided in the electromagnetic coil to an output shaft;a coil current detection unit configured to detect a current value flowing when a voltage is applied to the electromagnetic coil on the basis of the voltage value specified by the application voltage specifying unit;a coil temperature estimation unit configured to estimate a temperature of the electromagnetic coil on the basis of the voltage value specified by the application voltage specifying unit, the current value detected by the coil current detection unit, and a relational expression between the voltage value applied to the electromagnetic coil, the current value flowing to the electromagnetic coil in accordance with the voltage value applied to the electromagnetic coil, and the temperature of the electromagnetic coil ...

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Номер записи: 54
03-03-2022 дата публикации

COOLING APPARATUS FOR HYBRID VEHICLE

Номер: US20220063394A1
Автор: TAKAZAWA Masanobu, TAKEDA Naoaki, TOYOKAWA Masayuki, UTO Hajime
Принадлежит:

Provided is a cooling apparatus for a hybrid vehicle, the cooling apparatus enabling effective heat exchange between coolant of an engine cooling circuit and refrigerant of an electric-system cooling circuit, and enabling an internal combustion engine and an electric-system device to be cooled and raised in temperature appropriately and speedily. A cooling apparatus 1 for a hybrid vehicle includes: an engine cooling circuit 3 configured to circulate coolant; an electric-system cooling circuit 6 configured to circulate refrigerant; and a heat exchanger 7 configured to perform heat exchange between the coolant and the refrigerant, in which the engine cooling circuit 3 includes: a main circuit 11 enabling continuous circulation of the coolant through the main circuit 11; a radiator circuit 12 configured to circulate the coolant between an internal combustion engine 2 and a radiator 8; a heat-exchange-coolant throughflow portion 13 enabling the coolant to flow through the heat-exchange-coolant throughflow portion 13 and configured to return the coolant having flowed out through the heat exchanger 7 to the main circuit 11; and a three-way valve 14 provided at an upstream end of the heat-exchange-coolant throughflow portion 13, the three-way valve 14 being capable of switching a flow path of the coolant such that the coolant having flowed out of either the internal combustion engine 2 or the radiator 8 is allowed to flow into the heat exchanger 7.

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Номер записи: 55
16-02-2017 дата публикации

ELECTRICALLY COMMUTATED MOTOR AND FREEZER COMPRISING THE SAME

Номер: US20170047873A1
Автор: BIAN Wenqing, HU Ge
Принадлежит:

An ECM motor, including: a motor controller and a motor body. A microprocessor of the motor controller is connected to a first temperature detecting unit and a second temperature detecting unit disposed at different positions outside the ECM motor for detecting temperatures at the different positions. In operation, when the temperature difference between the first temperature T and the second temperature T is smaller than or equal to a preset value T, a first gear at the rotational speed S is selected by the microprocessor and the motor is controlled to run constantly in the first gear at the rotational speed S. When the temperature difference between the first temperature T and the second temperature T is larger than the preset value T, a second rotational speed S is selected by the microprocessor and the motor is controlled to run constantly in the second gear at the rotational speed S 1. An electrically commutated motor , comprising:A) a motor controller, the motor controller comprising a control circuit board comprising a microprocessor, an insulated gate bipolar transistor module, and an operation parameter detecting unit; andB) a motor body, the motor body comprising: a stator assembly, a rotor assembly, and a housing assembly; the stator assembly comprising a stator core and coil windings wound on the stator core; the rotor assembly comprising a rotor core and permanent magnets embedded in the rotor core;whereinthe stator assembly and the rotor assembly are mounted inside the housing assembly; the microprocessor, the insulated gate bipolar transistor module, and the operation parameter detecting unit are arranged on the control circuit board; the operation parameter detecting unit is configured to input operation data of the motor to the microprocessor; an output terminal of the microprocessor is connected to an input terminal of the insulated gate bipolar transistor module, and an output terminal of the insulated gate bipolar transistor module is connected ...

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Номер записи: 56
14-02-2019 дата публикации

SUPERCHARGING SYSTEM AND INTERNAL COMBUSTION ENGINE

Номер: US20190048792A1
Автор: An Byeongil, Ebisu Motoki, Yamashita Yukio
Принадлежит: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.

The supercharging system and the internal combustion engine according to the present invention are provided with: a first supercharger (); a second supercharger (); an electric motor () connected to a shaft end of a first compressor (); a generator () connected to a shaft end of a first turbine (); a bypass exhaust pipe (L) that allows exhaust air to bypass the first turbine (); a cooler () that cools the generator (); and a control device () that activates the cooler () when the generator () is driven by exhaust air that has driven the first turbine (). 1. A turbocharging system comprising:a first compressor and a first turbine which are coaxially connected to each other;a second compressor and a second turbine which are coaxially connected to each other;an intake line through which intake air pressurized by the first compressor is supplied to the second compressor;an exhaust line through which exhaust gas which has driven the second turbine is supplied to the first turbine;an electric motor which is connected to a shaft end of the first compressor or the second compressor;a generator which is connected to a shaft end of the first turbine or the second turbine;a bypass exhaust line through which the exhaust gas bypasses the first turbine or the second turbine to which the generator is connected;a cooler which cools the generator; anda control device which operates the cooler when the generator is driven by the exhaust gas which has driven the first turbine or the second turbine.2. The turbocharging system according to claim 1 ,wherein the control device starts an operation of the cooler if the generator reaches a predetermined rotation speed set in advance.3. The turbocharging system according to claim 1 ,wherein an exhaust on-off valve is provided in the bypass exhaust line, and the control device operates the cooler after the exhaust on-off valve is closed.4. The turbocharging system according to claim 1 ,wherein the cooler includes a cooling line through which a ...

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Номер записи: 57
03-03-2022 дата публикации

Improvements relating to cooling of electrical generators in wind turbines

Номер: US20220069669A1
Автор: Mustafa Gündüz, Peter Mongeau
Принадлежит: Vestas Wind Systems AS

In a first aspect of the invention there is provided a generator for a wind turbine defining a central generator axis. The generator comprises a stator support frame and an environmental conditioning module removably attached to the stator support frame. The environmental conditioning module comprises a heat exchanger and an air mover supported by a module housing. The environmental conditioning module further comprises fluid interface connections associated with the heat exchanger, the fluid interface connections being releaseably connectable to a fluid supply system associated with the heat exchanger, and electrical interface connections associated with the air blower, the electrical interface connections being releaseably connectable to an electrical supply system associated with the air mover.

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Номер записи: 58
03-03-2022 дата публикации

STATOR AND ELECTRIC MACHINE

Номер: US20220069675A1
Автор: PÁDÁR Péter, STÖCK Martin
Принадлежит:

The invention relates to a stator comprising at least one insulating disk, at least one interconnection web, and at least one temperature sensor, where 1. Stator comprising at least one insulation disk , at least one interconnection web , and at least one temperature sensor , wheresaid insulation disk comprises a holding element and said interconnection web comprises an abutment surface for said temperature sensor,said interconnection web and said temperature sensor are arranged and held at least in sections in said holding element andsaid temperature sensor touches said abutment surface at least in part in a planar manner and is pressed against said abutment surface by a spring force or by a clamping force.2. Stator according to claim 1 , wherein said holding element is U-shaped in cross section with a base claim 1 , a first side wall claim 1 , and a second side wall between which said interconnection web and said temperature sensor are arranged.3. Stator according to claim 2 , wherein said interconnection web is supported directly or indirectly on said first side wall claim 2 , and said temperature sensor is supported directly or indirectly on said second side wall.4. Stator according to claim 2 , wherein said base or a side wall comprises a spacer for said temperature sensor.5. Stator according to claim 1 , wherein said second side wall or said interconnection web is resiliently deformable.6. Stator according to claim 5 , wherein the distance in cross section of said holding element between said second side wall and said interconnection web prior to the installation of said temperature sensor is smaller than the width of said temperature sensor.7. Stator according to claim 1 , wherein said second side wall has a retaining profile for said temperature sensor.8. Stator according to claim 1 , wherein at least one spring is arranged between said second side wall and said temperature sensor and presses said temperature sensor against said interconnection web.9. Stator ...

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Номер записи: 59
03-03-2022 дата публикации

BRAKING OF SINGLE COIL BLDC MOTORS

Номер: US20220069749A1
Автор: LEMAN Dirk, TODOROV Dimitar Vladimirov
Принадлежит:

A method for braking a single coil BLDC motor includes iterating a plurality of times through a sequence of: a braking state which lasts a braking period; and a high impedance state which lasts a cool down period. The current runs through the single coil during the braking state and no current runs through the single coil during the high impedance state. The transiting from the braking state to the high impedance state is done when the motor operates in generator mode.

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Номер записи: 60
15-05-2014 дата публикации

SPLIT-CORE TYPE MOTOR AND METHOD OF MANUFACTURING ARMATURE OF SPLIT-CORE TYPE MOTOR

Номер: US20140132096A1
Автор: Koichi Shintarou, Matsuhashi Kenta, TAKEDA Tooru
Принадлежит: SANYO DENKI CO., LTD.

A split-core type motor makes work for connecting lead wires of split coils simple and efficient and reduces manufacturing costs and time taken to connect wires is realized. The split-core type motor includes a plurality of split coils formed by winding coils on split cores on which insulating members have been mounted; a stator formed by disposing the plurality of split coils in an annular shape; crimp terminals that connect lead wires of the split coils by being crimped so that the lead wires of the split coils correspond to a u phase, a v phase, and a w phase of a three-phase AC power source, and form terminals corresponding to the u phase, the v phase, and the w phase, respectively; and a resin mold part that covers the coils and the lead wires while power line connecting portions of the crimp terminals are exposed to the outside. 1. A split-core type motor comprising:an excitation unit that includes permanent magnets; andan armature that includes a plurality of split coils,wherein the armature at least comprises,the plurality of split coils that are formed by winding coils on split cores on which insulating members have been mounted,a stator that is formed by disposing the plurality of split coils in an annular shape,crimp terminals that include power line connecting portions, connect lead wires of the split coils by being crimped so that the lead wires of the split coils correspond to a u phase, a v phase, and a w phase of a three-phase AC power source, and form terminals corresponding to the u phase, the v phase, and the w phase, respectively, anda resin mold part that covers the coils and the lead wires while the power line connecting portions of the crimp terminals are exposed to the outside.2. A method of manufacturing an armature of a split-core type motor in which a plurality of split coils are built in a stator core , the method comprising:producing the plurality of split coils by mounting insulating members on split cores and winding coils on the split ...

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Номер записи: 61
23-02-2017 дата публикации

STATOR FOR ROTARY ELECTRIC MACHINE

Номер: US20170054346A1
Автор: MATSUMOTO Takashi
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A cooling oil is supplied from a cooling pipe to an outer peripheral surface of a mold resin, and a thermistor for measuring a temperature of a coil is provided at one end portion of the mold resin in an axial direction of a stator. A bulge portion for restraining the cooling oil from being supplied to the thermistor is provided bulging outward in the axial direction of the stator in such a manner as to surround at least part of a periphery of the thermistor, at one end portion of the mold resin in the axial direction of the stator. 1. A stator for a rotary electric machine , the stator comprising:a stator core;a coil that is wound around the stator core;a mold portion that includes a coil end portion, the coil end portion projecting outward from the stator core of the coil in an axial direction of the stator, a bulge portion being provided at an end portion of the mold portion in the axial direction of the stator, the mold portion being configured to mold the coil end portion, and a liquid cooling medium being supplied from a cooling medium supply member to an outer peripheral surface of the mold portion; anda temperature sensor that is provided at the end portion of the mold portion in the axial direction of the stator, the temperature sensor being configured to measure a temperature of the coil, whereinthe bulge portion is provided bulging outward in the axial direction of the stator to surround at least part of a periphery of the temperature sensor,the bulge portion is configured to restrain the liquid cooling medium from being supplied to the temperature sensor, andthe bulge portion is molded integrally with the mold portion.2. The stator for the rotary electric machine according to claim 1 , whereinthe temperature sensor includes an element portion at a tip portion of the temperature sensor, andthe element portion is located inside an end surface of the mold portion in the axial direction of the stator.3. The stator for the rotary electric machine according to ...

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Номер записи: 62
20-02-2020 дата публикации

ROTARY ELECTRIC MACHINE

Номер: US20200059134A1
Автор: MAEKAWA Takeo, SATOU Takashi, SHINKAI Tomoyuki
Принадлежит: Denso Corporation

A detection part of a temperature detection element is mounted to ends of drawn portions which are further protruded in the axial direction than coil end portions. The detection part and the ends of the drawn portions provided with the detection part are covered with a covering member. The ends of the drawn portions provided with the detection part and covered with the covering member are inserted into a through hole of a wall member which is disposed so as to axially face an axial end face of a stator core. In this case, the detection part is located at a position deeper (on the rear side) than a position of a stator core side opening of the through hole. 1. A rotary electric machine comprising:a rotary shaft;a rotor that is fixed to the rotary shaft;a stator core that is disposed such that an inner peripheral surface thereof faces an outer peripheral surface of the rotor in a radial direction via a predetermined clearance;a stator coil that is formed of a conductor and includes coil end portions protruding in an axial direction from an axial end face of the stator core and drawn portions further protruding in an axial direction than the coil end portions;a housing that covers both axial end faces of the stator core, holds the rotor, the coil end portions and the drawn portions, and rotatably supports the rotary shaft;a liquid coolant that is injected into a space defined by the housing and flows into at least a part of a clearance between the outer peripheral surface of the rotor and the inner peripheral surface of the stator core;a temperature detection element that is mounted to ends of the drawn portions such that a detection part is in contact with the ends;a covering member that covers the detection part and the ends of the drawn portions, the end being provided with the detection part; anda wall member that includes a through hole for inserting therethrough the ends of the drawn portions, the end being provided with the detection part and covered with the ...

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Номер записи: 63
28-02-2019 дата публикации

Systems and methods for sensing parameters on movers in linear motor systems

Номер: US20190061558A1
Автор: James A. Craver
Принадлежит: Rockwell Automation Technologies Inc

The subject matter of the disclosed invention relates to systems a methods for applying a sensor to linear motor systems. In various embodiments, the disclosed method relates to providing closed loop control on a mover with or without a payload by detecting parameters of the mover, payload, or both.

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Номер записи: 64
02-03-2017 дата публикации

SYNCHRONOUS MACHINE PROVIDED WITH AN ANGULAR POSITION SENSOR

Номер: US20170063204A1
Автор: Dumas Pierre
Принадлежит:

The invention relates to a synchronous machine () including a stator () and a rotor (). Said machine is provided with at least one sensor () of the angular position of the rotor () and is characterized in that the stator () includes a winding provided such as to be supplied with polyphase current by an electronic power device. The rotor (), which includes permanent magnets (), is provided such as to rotate about the stator (). The angular position sensor () extends away from the rotor () and is in alignment with the latter at the permanent magnets (). The angular position sensor () includes at least two sensors () for measuring magnetic induction and are provided for detecting variation in the axial magnetic field of the rotor () in the form of voltage, and the angular position sensor () moreover includes at least one electronic unit provided for receiving the voltages of the magnetic induction measurement sensors () such as to absolutely deduce therefrom the angular position of the rotor () and send corresponding information, in real time, to the electronic power device. 1. A synchronous machine comprising a stator and a rotor , the machine being equipped with at least one angular position sensor module of the rotor , wherein:the stator has a winding designed to be supplied with multi-phase AC current by an electronic power device,the rotor comprises components that generate magnetic induction and designed to move in rotation when power is supplied to the stator,the angular position sensor module comprises at least one pair of two magnetic induction measurement sensors to detect the variation of the axial magnetic field generated by the components that generate magnetic induction while supplying a voltage, the said sensors of the module or of each module being at an angular deviation of 90 electrical degrees,the magnetic induction measurement sensors, integral with the stator, extend at an axial end of rotor, opposite and immediately next to the axial edges of the ...

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Номер записи: 65
04-03-2021 дата публикации

WIRING MEMBER FOR ROTATING ELECTRICAL MACHINE, FIXING STRUCTURE OF WIRING MEMBER FOR ROTATING ELECTRICAL MACHINE, AND ROTATING ELECTRICAL MACHINE

Номер: US20210066987A1
Автор: TAKAHASHI Noriyuki, UMETSU Jun
Принадлежит:

A wiring member for rotating electrical machine that connects coil ends of a stator to electrodes of a terminal block in a rotating electrical machine. The wiring member includes a plurality of conductive wires, and a holding portion for holding the plurality of conductive wires. The holding portion includes an adhesion portion adhered and fixed to a fixing target member. A fixing structure of wiring member for rotating electrical machine is configured that the wiring member for rotating electrical machine including the plurality of conductive wires and connecting coil ends of a stator to electrodes of a terminal block in the rotating electrical machine is fixed to a fixing target member. The rotating electrical machine includes the stator including a stator core and a plurality of coil pieces adhered and fixed to the stator core, and the wiring member for rotating electrical machine. 1. A wiring member for rotating electrical machine that connects coil ends of a stator to electrodes of a terminal block in a rotating electrical machine , the wiring member comprising:a plurality of conductive wires; anda holding portion for holding the plurality of conductive wires,wherein the holding portion comprises an adhesion portion adhered and fixed to a fixing target member.2. The wiring member for rotating electrical machine according to claim 1 , wherein the adhesion portion comprises an introduction hole for introducing an adhesive to an interface between the holding portion and the fixing target member.3. The wiring member for rotating electrical machine according to claim 2 , wherein the adhesion portion comprises an adhesive filling portion formed in a recessed shape on the bottom surface of the holding portion claim 2 , and the introduction hole is configured to allow the adhesive to be introduced into the adhesive filling portion.4. The wiring member for rotating electrical machine according to claim 1 , wherein the holding portion comprises a plurality of holders ...

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Номер записи: 66
04-03-2021 дата публикации

MAGNET TEMPERATURE INFORMATION OUTPUT DEVICE AND ROTATING ELECTRICAL MACHINE

Номер: US20210067010A1
Автор: CHIYO Noritaka, KUROSHIMA Toshihiro, MITAKE Koji, Tomonari Toshio
Принадлежит: TDK Corporation

A magnet temperature information output device is disposed on a rotating electrical machine including a stator and a rotor with a permanent magnet, and is arranged to output temperature information regarding a temperature of the permanent magnet. The magnet temperature information output device includes an element arranged to detect a magnetic flux and output an electrical signal responding to the detected magnetic flux as the temperature information. The element is disposed on the stator. 1. A magnet temperature information output device that is disposed on a rotating electrical machine including a stator and a rotor with a permanent magnet and is arranged to output temperature information regarding a temperature of the permanent magnet , the device comprising:an element arranged to detect a magnetic flux and output an electrical signal responding to the detected magnetic flux as the temperature information,wherein the element is disposed on the stator.2. The magnet temperature information output device according to claim 1 , further comprising:a temperature sensor that is disposed on the rotor and is arranged such that an electrical resistance of the temperature sensor changes in response to the temperature of the permanent magnet; anda first coil that is disposed on the rotor and is electrically connected to the temperature sensor,wherein the element includes:a second coil arranged to excite the first coil; andan electric-current sensor arranged to output an electrical signal responding to a magnitude of a current flowing through the second coil.3. The magnet temperature information output device according to claim 2 , further comprising:a capacitor that is disposed on the rotor and forms an LC resonance circuit together with the first coil.4. The magnet temperature information output device according to claim 1 ,wherein the element includes a magnetic sensor arranged to detect a magnetic flux of the permanent magnet.5. A rotating electrical machine claim 1 , ...

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Номер записи: 67
28-02-2019 дата публикации

Combined Power And Communications Cable

Номер: US20190066872A1
Автор: Sidlyarevich Timothy P.
Принадлежит:

Aspects of the present invention provide an improved cable having a reduced cross section while continuing to provide high voltage (noisy) power signals alongside low voltage (noise-susceptible) data signals. The improved cable can be used for power delivery and communications between a motor and a drive in an industrial control system. The reduced cross section advantageously improves handling. By providing separate groups between a group delivering the power signals and a group providing the data signals, thereby enforcing a physical separation, and by twisting together individual conductors of the group delivering the power signals with the group providing the data signals and the groups providing the separation, the reduced cross section can be achieved while continuing to minimize noise and interference onto the data signals due to the power signals. 1. An electrical cable comprising:a plurality of insulated power conductors for delivering electric power;at least one insulated data conductor for providing data communication; andfirst and second separation structures,wherein the power conductors, the data conductor and the separation structures are twisted together around a common center and covered by an electrical shield, andwherein the first separation structure is arranged between the data conductor and the power conductors on a first side of the power conductors and the second separation structure is arranged between the data conductor and the power conductors on a second side of the power conductors.2. The cable of claim 1 , wherein power conductors comprise first claim 1 , second and third power conductors for delivering three phase electric power.3. The cable of claim 1 , wherein the electrical shield is a first electrical shield and the data conductor is a first data conductor claim 1 , and further comprising a second data conductor claim 1 , wherein the first and second data conductors are twisted together and covered by a second electrical shield.4. ...

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Номер записи: 68
17-03-2022 дата публикации

ELECTRIC WORK MACHINE

Номер: US20220085698A1
Автор: KOUDA Kei, Niwa Akira
Принадлежит: MAKITA CORPORATION

An electric work machine in one aspect of the present disclosure includes a motor, a driver, and a temperature sensor. The motor includes a stator, and a rotor. The stator includes a cylindrical body, a tooth, and a coil. The cylindrical body includes a first inner circumferential surface. The tooth is disposed to stand on the first inner circumferential surface. The coil is wound around the tooth. The coil generates a magnetic force in response to receiving an electric power. The temperature sensor is installed in/on the tooth. 116-. (canceled)17. An electric work machine comprising: 'a motor configured to be driven with an electric power from the battery;', 'a battery;'} a rotor having a shaft; and', 'a stator back-ring including:', 'a stator having a cylindrical shape and including an inner circumferential surface, the inner circumferential surface including a first part and a second part, the stator including], 'the motor includinga back core having a cylindrical shape and containing a magnetic substance, the back core including a first inner circumferential surface that corresponds to the first part of the inner circumferential surface; and of the inner circumferential surface, and', 'a stator tooth including:, 'a first back-ring having a cylindrical shape and containing resin, the first back-ring being disposed adjacent to the back core, the first back-ring and the back core are aligned along the shaft, and the first back-ring including a second inner circumferential surface that corresponds to the second part'}a core tooth disposed to stand on the first inner circumferential surface, and the core tooth containing a magnetic substance; anda first tooth disposed to stand on the second inner circumferential surface, the first tooth containing resin, the first tooth being disposed adjacent to the core tooth, the first tooth and the core tooth are aligned along the shaft, and the first tooth including a first side surface not facing the core tooth, and 'a chuck ...

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Номер записи: 69
09-03-2017 дата публикации

Power Generation Systems

Номер: US20170070122A1
Автор: Koeneman Douglas Alan, Woods Edward J.
Принадлежит:

A power generation system is provided that includes an internal combustion engine configured to provide rotational mechanical energy. A generator is configured to receive the rotational mechanical energy and generate electrical power in response to the rotational mechanical energy. A fluid medium is provided to the internal combustion engine and to the generator for removing thermal energy from the internal combustion engine and from the generator. 120-. (canceled)21. A power generation system comprising:a generator;a combination of power applications, each power application connected to a power demand different from another;a logic control configured to model designed capabilities of respective power applications; anda mode control configured to combine the design capabilities to create a design capability of the power generating system which is different from the design capabilities of the respective power applications.22. The system in wherein the logic control models:maximum sustainable available power to a connected power demand; andmaximum intermittent and instantaneous available power.23. The system of wherein the logic control is configured to assess the durability of respective power applications within the model and indicates the assessment to the power generation system.24. The system of wherein the logic control is configured to change proportions of contributions of the respective power applications to change power available to the respective power demands to another maximum sustainable available power.25. The system of wherein the mode control is configured to:receive an indication from at least one of the power applications; andin response to the indication, modify activation and proportion contributions to the respective power applications.26. A power generation system comprising:a generator;a combination of power applications, each power application connected to a power demand different from another;a thermal system connected to components of the ...

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Номер записи: 70
27-02-2020 дата публикации

ROTATING ELECTRIC MACHINE

Номер: US20200067364A1
Автор: EGASHIRA Kohei, Hino Tatsuro, Nakamura Masashi
Принадлежит: Mitsubishi Electric Corporation

Provided is an excellent insulating rotating electric machine having a small axial size and a small number of components. In the rotating electric machine according to the present invention, radially outer-side terminals and radially inner-side terminals extend from slots while a circumferential bending direction is alternately changed for each group of n radially outer-side terminals or n radially inner-side terminals after the extension thereof from the slots. A first angle formed between at least one of an oblique-side portion of each of the n radially inner-side terminals, which are continuous in the circumferential direction of the stator core and are bent in the same circumferential bending direction, and an oblique-side portion of each of the n radially outer-side terminals, which are continuous in the circumferential direction and are bent the same circumferential bending direction, and an end surface of a stator core monotonously decreases in the circumferential bending direction. 1. A rotating electric machine , comprising a stator including: a stator core having an annular shape , which includes slots arranged in a circumferential direction of the stator core; and a stator winding mounted to the stator core ,wherein the stator winding includes a plurality of winding bodies formed by distributed winding, each being formed by winding a conductor wire a plurality of turns, which are inserted into a plurality of the slots to be mounted to the stator core;wherein each of the winding bodies includes a radially inner-side terminal extending from a radially innermost position in a corresponding one of the slots to one axial side of the stator core and a radially outer-side terminal extending from a radially outermost position in a corresponding one of the slots to the one axial side of the stator core,wherein each of the radially inner-side terminals for forming each of phase windings of the stator winding among the radially inner-side terminals extends from a ...

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Номер записи: 71
19-03-2015 дата публикации

Thermally protected electric motor

Номер: US20150076946A1
Автор: Frank Capristo, Iii, Frank Hartmann, Peter Stockmann, Rainer Schoele
Принадлежит: Brose Fahrzeugteile SE and Co KG

An electric motor for driving a motor vehicle component, such as a fan motor for cooling cooling water, has a thermal fuse with a contact spring. The contact spring has attached ends that are connected to a conducting path section between which an interruption point is formed. The springy ends of the contact spring are in soldered contact with each other in a spring-biased manner. The thermal fuse is a fuse module with a plastic support in which the conducting path sections are partially embedded in such a way that the contact spring lies in a window opening in the support. Terminals of the conducting path sections protrude from the plastic support.

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Номер записи: 72
05-06-2014 дата публикации

STATOR OF ELECTRIC MOTOR

Номер: US20140152141A1
Автор: Saitou Tetsumaru
Принадлежит: FANUC Corporation

A stator () of an electric motor includes a coil (), a stator core () which supports the coil, and covers () which are attached to the stator core so as to surround coil ends () of the coil, wherein the covers have outside diameters which are at least partially smaller than the outside diameters of the stator cores, the covers have coefficients of linear expansion which are larger than the coefficient of linear expansion of the stator core, and the covers expand due to heat whereby the covers closely contact the housing which is arranged around the stator. 1. A stator of an electric motor comprising:a coil,a stator core which supports said coil, andcovers which are attached to said stator core so as to surround coil ends of said coil which stick out from end faces of the stator core in the axial direction, whereinsaid covers have outside diameters which are at least partially smaller than an outside diameter of said stator core,said covers have coefficients of linear expansion which are larger than a coefficient of linear expansion of said stator core, andsaid covers expand by heat whereby said covers are made to closely contact a housing which is arranged around said stator.2. The stator according to wherein cutaway parts are formed at outside edge parts of distal ends of said covers.3. The stator according to wherein slanted parts which extend from proximal ends to distal ends of said covers are formed at outer surfaces of said covers.4. The stator according to wherein curved parts are formed at outside edge parts of distal ends of said covers.5. The stator according to wherein curved parts which extend from proximal ends to distal ends of said covers are formed at outer surfaces of said covers.6. The stator according to wherein outer surfaces of said covers are formed with step parts and said step parts have outside diameters which are equal to the outside diameter of said stator core at proximal ends of said covers and which are smaller than the outside diameter ...

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Номер записи: 73
11-03-2021 дата публикации

ROTATING ELECTRIC MACHINE

Номер: US20210075299A1
Автор: Fukuda Tomohiro, WATARI Shinjirou, YAMAZAKI Shinji, ZULAIKA Mohdbasir
Принадлежит: Hitachi Automotive Systems, Ltd.

Workability during attachment of a sensor element to a rotating electric machine is improved. A semiconductor element functioning as a sensor element for detecting temperatures of concentrated winding coils is inserted between two concentrated winding coils adjacent to each other in a plurality of the concentrated winding coils. One end of a lead wire is connected to the semiconductor element, while the other end of the lead wire is drawn out of a stator. The lead wire has a plurality of bent portions. A hook regulates an extending direction of the lead wire drawn out of the stator such that a bent state of the bent portions of the lead wire is maintained. 1. A rotating electric machine comprising:a rotor;a stator that includes a plurality of coils;a sensor element that detects temperatures of the coils;a lead wire connected to the sensor element; anda guide mechanism that regulates an extension direction of the lead wire,wherein the sensor element is inserted between two adjacent coils of the plurality of coils,one end of the lead wire is connected to the sensor element,the other end of the lead wire is drawn out of the stator,the lead wire has a plurality of bent portions, andthe guide mechanism regulates the extension direction of the lead wire drawn out of the stator such that a bent state of the bent portions of the lead wire is maintained.2. The rotating electric machine according to claim 1 , wherein a first extending portion that extends in an axial direction of the stator from the one end,', 'a first bent portion that is bent in a direction toward an outer circumferential side of the stator from the first extending portion,', 'a second extending portion that extends in a radial direction of the stator from the first bent portion,', 'a second bent portion that is bent in the axial direction from the second extending portion, and', 'a third extending portion that extends in the axial direction from the second bent portion, and is drawn out of the stator, and, ...

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Номер записи: 74
11-03-2021 дата публикации

EXTERNAL TEMPERATURE SENSOR ASSEMBLY

Номер: US20210075300A1
Автор: MEINEKAT Ulrich
Принадлежит:

Embodiments herein provide an electrical machine comprising a stator with a stator winding arrangement, a rotor arranged for rotation inside the stator, a machine housing for housing the stator, at least one temperature sensor arrangement and wherein a sensor-end of the temperature sensor is arranged for insertion into the immersion sleeve and for insertion through an insertion bore arranged in an opening in the machine housing, so that the sensor-end of the temperature sensor is positioned within a cooling slot of the stator windings, when inserted, so as to allow sensing of a temperature of measure of temperature of the stator windings by electric connection to the wire-end of the temperature sensor. 1. An electrical machine (EM) comprising;a stator (ST) with a stator winding arrangement comprising stator windings (SVV) with cooling slots (CS),a rotor (RO) arranged for rotation inside the stator,a machine housing (MH) for housing the stator, and a temperature sensor (TS) with a sensor-end (SE) and a wire-end (WE), and', 'an immersion sleeve (IS);, 'at least one temperature sensor arrangement comprisingwherein an insertion angle of the temperature sensor arrangement through the machine housing (MH) is perpendicular to or approximately perpendicular to an axis of rotation of the rotor (RO), andwherein the sensor-end of the temperature sensor is arranged for insertion into the immersion sleeve and for insertion through an insertion bore (IB) arranged in an opening in the machine housing, so that the sensor-end of the temperature sensor is positioned within a cooling slot of the stator windings, when inserted, so as to allow sensing of a temperature of measure of temperature of the stator windings by electric connection to the wire-end of the temperature sensor.2. The electrical machine (EM) according to claim 1 , comprising an external terminal monitoring box (MB) connectable at the wire-end (WE) of the temperature sensor (TS) claim 1 , so as to allow an electric ...

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Номер записи: 75
15-03-2018 дата публикации

Cooking device and method for preventing cooking device from overheating

Номер: US20180073740A1
Автор: Chang-Hyun SON, Se-Min Lee, Sung-Min Oh, Sung-soo Park, Yo-jin SEO
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A cooking device is provided. The cooking device supplied with power through an AC power supply including a neutral line includes: a motor configured to drive a cooling fan; a main board mounted with a plurality of components for an operation of the cooking device; and a thermal protector having one end connected to the neutral line of the AC power supply and the other end commonly connected to the motor and the main board, wherein the thermal protector cuts off connection between the neutral line and the main board through the thermal protector if a temperature of the motor is equal to or higher than a predetermined value.

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Номер записи: 76
05-06-2014 дата публикации

POWER LINE CONNECTING STRUCTURE OF STATOR

Номер: US20140154933A1
Автор: Miura Yukio, Uchiyama Kazuyoshi, Yoda Kazuhiro
Принадлежит: SANYO DENKI CO., LTD.

A simple structure which improves reliability of connection and secures creeping and spatial distances for electrical insulation without increasing manufacturing cost is provided. Feed-through terminals whose diameters can be reduced are bonded to lands of a wiring substrate, and insertion terminals are bonded to core wires of lead wires. The insertion terminals of the lead wires are arranged in the feed-through terminals bonded to the lands. In a state where the feed-through terminals are swaged and the insertion terminals of the lead wires are pressure-bonded, the insertion terminals of the lead wires are bonded to the feed-through terminals. 1. A power line connecting structure of a stator which is a structure which connects a lead wire as a power line to a wiring substrate which the stator comprises , whereina feed-through terminal whose diameter can be reduced is bonded to a land of the wiring substrate, and a core wire of the lead wire is arranged in the feed-through terminal bonded to the land, andin a state where the feed-through terminal is swaged and a coated portion and the core wire of the lead wire are pressure-bonded, the core wire of the lead wire is bonded to the feed-through terminal.2. A power line connecting structure of a stator which is a structure which connects a lead wire as a power line to a wiring substrate which the stator comprises , whereina feed-through terminal is bonded to a land of the wiring substrate, and an insertion terminal is swaged such that a coated portion and a core wire of the lead wire are pressure-bonded to bond the insertion terminal to the core wire of the lead wire,the insertion terminal of the lead wire is arranged in the feed-through terminal bonded to the land, andthe insertion terminal of the lead wire is bonded to the feed-through terminal.3. The power line connecting structure of the stator according to claim 1 , wherein the feed-through terminal is a U-shaped terminal whose at least one side is opened. 1. ...

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Номер записи: 77
05-03-2020 дата публикации

EXCHANGEABLE TEMPERATURE DETECTION UNIT FOR A STATOR OF AN ELECTRIC MOTOR

Номер: US20200076276A1
Автор: BALLING Florian, FINGER-ALBERT Christian, MENZ Michael, OETZEL Stefan
Принадлежит:

A temperature detection unit for a stator of an electric motor, includes a plate, a support element, at least two feet, and at least two temperature sensors, wherein the temperature sensors are arranged one on each of the feet. 2111131511133133. The temperature detection unit () according to claim 1 , wherein at least one sealing element ( claim 1 , ) is arranged on the plate () claim 1 , wherein the sealing element ( claim 1 , ) has a region ( claim 1 , ) extending beyond the plate.313579272979. The temperature detection unit () according to claim 1 , wherein the feet ( claim 1 , ) each have a recess ( claim 1 , ) and at least one temperature sensor ( claim 1 , ) is arranged in each of these recesses ( claim 1 , ).41191517. The temperature detection unit () according to claim 1 , wherein a further sealing element () is arranged between the plate () and the support element ().51351715353739. The temperature detection unit () according to claim 1 , wherein a channel runs through the feet ( claim 1 , ) and the support element () penetrating the plate () and a conductor ( claim 1 , claim 1 , ) is guided in this channel.611817351835. The temperature detection unit () according to claim 1 , wherein a cross member () is arranged between the support element () and the feet ( claim 1 , ) and the cross member () distances the feet ( claim 1 , ) from one another.7100414543135451543. An electric motor () comprising a stator () with a winding head () claim 1 , an end shield () and a temperature detection unit () according to claim 1 , wherein the feet ( claim 1 , ) bear against the winding head () and the plate () is operatively connected to the end shield ().8100184545. The electric motor () according to claim 7 , wherein the cross member () lies on the winding head () or is pressed partially into the winding head ().910017214543. The electric motor () according to claim 7 , wherein the support element () is arranged in a space () between winding head () and end shield ().10. ...

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Номер записи: 78
05-03-2020 дата публикации

STATOR WITH A TEMPERATURE DETECTION UNIT FOR AN ELECTRIC MOTOR

Номер: US20200076277A1
Автор: FINGER-ALBERT Christian, MENZ Michael, OETZEL Stefan
Принадлежит:

A stator for an AC motor, includes windings of a first layer, which extend over a first region of the stator and are connectable to a first phase, and windings of a second layer, which extend over a second region of the stator and are connectable to a second phase, wherein the first region is offset relative to the second region and at least one overlap region is formed which is smaller than the individual regions, and wherein a temperature detection unit is arranged in the overlap region and is designed to measure the temperature of the windings in the overlap region. 23391613. The stator () according to claim 1 , wherein the temperature detection unit comprises two sensors: one sensor at an outer diameter and one sensor at an inner diameter of the stator () claim 1 , with each sensor being designed to measure the temperature of the windings ( claim 1 , ) of the first and second layer in the overlap region ().33118322781413139111613. The stator () according to claim 1 , comprising windings () in a third layer which lie between the first and second layer and extend over a third region () of the stator () and are connectable to a third phase (A claim 1 , B) claim 1 , wherein one region ( claim 1 , claim 1 , ) is offset relative to another region and an overlap region () is formed which is smaller than the individual regions claim 1 , wherein the temperature detection unit is arranged in the overlap region () and is designed to measure the temperature of the windings ( claim 1 , claim 1 , ) in the overlap region ().5399161677141421212121111188991616771414a,aa,aa,b,caaa,aa,a. The stator () according to claim 4 , wherein windings ( claim 4 , claim 4 , ) of the first or second layer which extend over two regions ( claim 4 , claim 4 , ) of the same layer form an extended overlap region ( claim 4 , ) with windings ( claim 4 , ) of the third layer which extend over one region ( claim 4 , ) and windings ( claim 4 , claim 4 , ) from a further region ( claim 4 , claim 4 , ) of ...

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Номер записи: 79
18-03-2021 дата публикации

TEMPERATURE ABNORMALITY DETECTION DEVICE AND MOTOR

Номер: US20210083557A1
Автор: YAMAGUCHI Akira
Принадлежит: FANUC Corporation

A temperature abnormality detection device that detects an abnormality in temperature of a motor including a stator and a rotor, includes: a temperature acquisition unit that acquires a temperature of a winding of the stator; a speed acquisition unit that acquires a rotation speed of the rotor; an allowable value changing unit that changes an allowable value for the temperature of the winding in accordance with an acquired rotation speed of the rotor; a comparison unit that compares an acquired temperature of the winding with a changed allowable value for the temperature of the winding based on the rotation speed of the rotor; and an output control unit that controls an external output of a warning signal indicating an excess of the temperature of the winding with respect to the allowable value. 1. A temperature abnormality detection device that detects an abnormality in temperature of a motor including a stator and a rotor , the temperature abnormality detection device comprising:a temperature acquisition unit that acquires a temperature of a winding of the stator;a speed acquisition unit that acquires a rotation speed of the rotor;an allowable value changing unit that changes an allowable value for the temperature of the winding in accordance with an acquired rotation speed of the rotor;a comparison unit that compares an acquired temperature of the winding with a changed allowable value for the temperature of the winding based on the rotation speed of the rotor; andan output control unit that controls an external output of a warning signal indicating an excess of the temperature of the winding with respect to the allowable value.2. The temperature abnormality detection device according to claim 1 , wherein the allowable value changing unit reduces the allowable value for the temperature of the winding as the rotation speed of the rotor becomes faster.3. The temperature abnormality detection device according to claim 1 , wherein the allowable value changing unit ...

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Номер записи: 80
23-03-2017 дата публикации

HERMETIC MOTOR COOLING AND CONTROL

Номер: US20170082119A1
Автор: Schreiber Jeb W.
Принадлежит:

An apparatus and method for cooling a compressor motor () having a motor stator () and cooling a rotor () in a refrigerant system (). The method cools the rotor and the stator, electromagnetic bearings () located within a compressor housing by providing refrigerant liquid to the stator internal channels, the channels being in fluid communication with a rotor passageway (), and a flow-control device () controlling refrigerant flow into the stator. A temperature monitoring device () in communication with a controller () monitors motor temperature. The controller () evaluates the motor temperature and adjusts refrigerant flow through the flow control device (), maintaining the motor () within a predetermined temperature range. 1. A compressor assembly comprising:a compressor housing;{'b': '100', 'a compressor () positioned within the housing;'}{'b': '100', 'a compressor inlet, to input refrigerant gas to the compressor ();'}{'b': '152', 'claim-text': a motor housing,', {'b': 162', '164, 'a stator () positioned within the motor housing, the stator having windings and cooling channels (),'}, {'b': 166', '162', '102, 'a rotor () positioned within the stator (), the rotor having a shaft having a first end connected to an impeller () the compressor and a second end,'}, {'b': 166', '100, 'wherein when electrical current is applied to the stator windings, the rotor () rotates, causing the compressor () to operate;'}, {'b': 160', '166, 'electromagnetic bearings () positioned at both ends of the rotor () to support the rotor when current is applied to the stator windings;'}], 'a motor (), the motor comprising'}{'b': '152', 'claim-text': [{'b': '176', 'a temperature monitoring device () positioned within the stator;'}, {'b': 186', '190', '162, 'a stator inlet () and a stator outlet (), the stator inlet receiving liquid refrigerant for cooling the stator (),'}, {'b': 192', '170', '174', '190, 'a rotor inlet (), a rotor liquid () drain and a rotor gas vent (), the rotor inlet ...

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Номер записи: 81
25-03-2021 дата публикации

CONDITION MONITORING DEVICE FOR AN ELECTRICAL MACHINE

Номер: US20210088589A1
Автор: IKAHEIMO Jouni
Принадлежит:

In aspects, the present invention provides a condition monitoring device for monitoring a condition of an electrical machine. The condition monitoring device comprises a housing affixed on a frame of the electrical machine, one or more sensors within the housing, for measuring one or more parameters of the electrical machine, and one or more magnetic coils electrically connected to an electrical energy storage unit located in the housing. The one or more magnetic coils are located within a cavity in the stator core thorough an aperture in the frame of the electrical machine and form an inductive circuit with one or more windings of the electrical machine, for supplying current to the electrical energy storage unit. 1. A condition monitoring device for monitoring a condition of an electrical machine , the condition monitoring device comprising:a housing affixed on a frame of the electrical machine;one or more sensors for measuring one or more parameters of the electrical machine, the one or more sensors housed within the housing of the electrical machine;one or more magnetic coils electrically connected to an electrical energy storage unit located in the housing, the one or more magnetic coils located within a cavity in the stator core thorough a aperture in the frame of the electrical machine;wherein the magnetic coils form an inductive circuit with one or more windings of the electrical machine, for supplying current to the electrical energy storage unit.2. The condition monitoring device of claim 1 , wherein an axis of symmetry of a first magnetic coil from the one or more magnetic coils claim 1 , is parallel to a first axis claim 1 , and an axis of symmetry of a second magnetic coil from the one or more magnetic coils claim 1 , is perpendicular to the first axis claim 1 , wherein the first axis is parallel to the rotational axis of the electrical machine.3. The condition monitoring device of claim 1 , wherein the housing comprises a screw bolt having an external ...

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Номер записи: 82
31-03-2022 дата публикации

Stator for an electric machine

Номер: US20220103039A1
Автор: ESCOBEDO David Rodriguez
Принадлежит:

The invention relates to a stator () for an electric machine having a stator core () and at least one winding () which has a winding head () protruding axially beyond the stator core (), wherein the winding head () comprises portions of the winding which form reversals of the winding wires, winding connection lines () for energizing the winding () and at least one radially outwardly arranged first set of winding portions () and one radially inwardly arranged second set of winding portions () spaced apart from the first set, wherein the portions of the winding connection lines () each run in the circumferential direction, do not protrude axially beyond the first () and the second () sets of winding portions and are arranged radially between and fixed by the first () and the second () sets of winding portions. The invention also relates to a method for producing such a stator () and to an electric machine having such a stator (). 1. A stator for an electric machine comprising: a stator core and at least one winding which has a winding head protruding axially beyond the stator core , wherein the winding head comprises portions of the winding which form reversals of the winding wires , winding connection lines for energizing the winding and at least one radially outwardly arranged first set of winding portions and one radially inwardly arranged second set of winding portions spaced apart from the first set ,wherein at least a portion of each of the winding connection lines runs in the circumferential direction, does not protrude axially beyond the first and the second sets of winding portions, and is arranged radially between and fixed by the first and the second sets of winding portions.2. The stator for an electric machine according to claim 1 , wherein the at least a portion of the winding connection lines is fixed by the first and the second sets of winding portions in one or both of a radial and axial direction with respect to the stator.3. The stator for an ...

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Номер записи: 83
25-03-2021 дата публикации

SPEED-REGULATED EXTERNAL FANS FOR THE TEMPERATURE-CONTROLLED THROUGHPUT VENTILATION OF TURBOGENERATORS, PHASE SHIFTERS, AND ROTATING ELECTRICAL MACHINES FOR NETWORK STABILIZATION

Номер: US20210091636A1
Автор: KOWALSKI Matthias
Принадлежит: SIEMENS AKTIENGESELLSCHAFT

In a rotating electrical machine, in particular a generator, different components, such as, for example, rotor, stator rod and end zone, are cooled as required by associated external fans, whereby the cooling power requirement is reduced. The method for cooling includes a plurality of cooling fans arranged for cooling different components of the machine, wherein a cooling fan is individually controlled in its cooling performance in accordance with the temperature of the associated component. 1. A method for cooling a rotating electrical machine , wherein the machine has a housing (G) and a throughput ventilation type cooling system , the method comprising:{'b': 1', '2', '3, 'arranging a plurality of cooling fans (EG, EG, EG) for respective cooling with cooling air of different components of the machine, and'}individually controlling a cooling power of a cooling fan of the plurality of cooling fans according to a temperature of an associated component.2. The method as claimed in claim 1 , further comprising:a guide element which guides the cooling air from the cooling fan to the associated component which is to be cooled.3. The method as claimed in claim 1 , further comprising:a guide element which guides the cooling air from the associated component to be cooled to the cooling fan.4. The method as claimed in claim 1 ,wherein the cooling air flows through a filter device at an inlet (E) of the housing.5. The method as claimed in claim 1 ,wherein the temperature of a component to be cooled is detected by a measuring probe.6. The method as claimed in claim 1 ,wherein the temperature of a component to be cooled is detected by a slot resistance thermometer.7. The method as claimed in claim 1 ,wherein the temperature of a component to be cooled is detected by a virtual sensor.8. The method as claimed in claim 1 ,wherein the temperature of a component to be cooled is detected by continuous calculation of a digital twin.9. The method as claimed in claim 1 ,wherein a cooling ...

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Номер записи: 84
25-03-2021 дата публикации

Electric power tool

Номер: US20210091640A1
Автор: Kiyoshi Aoyama
Принадлежит: Makita Corp

A vibration driver drill as an electric power tool includes a brushless motor that includes a rotor and a sensor circuit board that detects a rotation of the rotor. The rotor includes a tubular rotor core and four permanent magnets held in the rotor core so as to extend in an axial direction of the rotor core. The sensor circuit board is adjacent to a front-end part (first end portion) of the rotor core. The rotor core is provided with a recessed groove on a side surface outward between the mutually adjacent permanent magnets. The recessed groove extends from the front-end part in the axial direction of the rotor core without reaching a rear-end part (second end portion) facing the front-end part.

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Номер записи: 85
29-03-2018 дата публикации

Temperature compensated linear actuator and encoder

Номер: US20180091017A1
Автор: Boris Kilunov, Michael Driker, Stanislav Podlisker
Принадлежит: KappaSense Ltd

A linear actuator includes a casing that contains a moveable shaft moved by a motor in response to a drive signal and coupled to an encoder that determines an actual instantaneous position of the shaft and forms part of a control loop that adjusts the drive signal so as to ensure accurate positioning of the shaft. A temperature sensor mounted on the shaft produces a temperature signal indicative of instantaneously measured temperature, and a temperature compensator responsive to the measured temperature for generating a negative or positive offset for correcting the drive signal so as to move the shaft to a positon that is corrected for instantaneous expansion or contraction of the shaft owing to departures of the shaft's actual temperature from a known baseline temperature.

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Номер записи: 86
09-04-2015 дата публикации

ROTARY ELECTRIC MACHINE

Номер: US20150097453A1
Автор: Nakamura Masashi, NISHIKAWA Ken, OKAMOTO Shogo
Принадлежит: Mitsubishi Electric Corporation

Obtain a rotary electric machine in which an insulation capability of bus-bar units is maintained in order to supply current to a coil of a stator of the rotary electric machine, and the whole stator can be downsized. In the arc-shaped bus-bar units which are laminated and arranged on a coil end of a stator of the rotary electric machine, a neutral-point bus-bar unit, which includes a neutral-point bus-bar is arranged at a midpoint of phase's bus-bar units, which include phase's bus bars. 1. A rotary electric machine comprising: a coil end which is protruded from an end surface of the stator so as to be formed,', 'a coil terminal which is protruded, from an end portion of the coil end, in an coil end direction, and', 'an arc-shaped bus-bar unit in which a connecting portion for connecting the coil terminal wraps a bus bar being protruded in an inner-outer diameter direction; wherein, 'a stator, in which a coil is mounted on a stator core having an annular shape, which includes'}a neutral-point bus-bar unit, which includes a neutral-point bus bar, and phase's bus-bar units, which include phase's bus bars respectively connected to the coil of each phase, are laminated and arranged, in a protrusion direction of the coil terminal, in the bus-bar unit; andthe neutral-point bus-bar unit is arranged between a plurality of the phase's bus-bar units.2. A rotary electric machine as recited in claim 1 , wherein the phase's bus bar connected to the coil of each phase includes a first phase's bus bar including a connecting portion for the coil terminal of each phase claim 1 , and a second phase's bus bar including a connecting portion for the coil terminal of each phase and a connecting portion for a feeding terminal protruded in an outer circumferential direction; and the second phase's bus is arranged at a most upper position in the protrusion direction of the coil terminal.3. A rotary electric machine as recited in claim 1 , wherein a resin layer is formed claim 1 , in the ...

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Номер записи: 87
05-05-2022 дата публикации

ROTATING ELECTRIC MACHINE AND ARMATURE

Номер: US20220140686A1
Автор: HIRAI Kensuke, KURASAWA Tadahiro, Okamura Tomoyuki
Принадлежит: Denso Corporation

A rotating electric machine includes an armature and a busbar unit. The armature includes an annular armature core and a multi-phase armature coil wound on the armature core. The busbar unit is configured to connect winding end portions of the armature coil which are arranged apart from one another in a circumferential direction of the armature. Moreover, the busbar unit is fixed to a back yoke of the armature core by a plurality of pins.

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Номер записи: 88
05-05-2022 дата публикации

METHODS FOR ANALOG TEMPERATURE COMPENSATION OF BIAS AND OFFSETS OF A DIFFERENTIAL SENSOR

Номер: US20220140702A1
Автор: AGRAWAL Alok, Lech Richard S.
Принадлежит:

A measurement circuit that is configured to provide a torque reading to a motion controller includes an offset controller and an amplifier. The offset controller is configured to read a temperature signal and to generate an offset voltage in response to receiving the temperature signal. The amplifier is configured to read a differential voltage from a differential sensor and to receive the offset voltage from the offset controller. The amplifier is also configured to add the offset voltage to the differential voltage after applying a gain to the differential voltage to generate an adjusted voltage. The amplifier is then configured to transmit the adjusted voltage.

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Номер записи: 89
05-05-2022 дата публикации

Motor and hairpin stator thereof

Номер: US20220140703A1
Автор: Yao-Hsien Shao, Yi-Ming Wu, Yu-Kuan Lin
Принадлежит: Delta Electronics Inc

A hairpin motor stator includes a stator core, a plurality of slots, a first hairpin wire and a temperature sensor. The stator core defines a rotor accommodating space. The slots are located on the stator core, and each slot extends in a radial direction from the rotor accommodating space. Each slot has a side opening adjacent to the rotor accommodating space. One of the slots is a temperature sensor accommodating slot. The first hairpin wire is located in the temperature sensor accommodating slot and proximal to the side opening of the temperature sensor accommodating slot. The temperature sensor is between the side opening of the temperature sensor accommodating slot and the first hairpin wire. The temperature sensor is larger than the side opening of the temperature sensor accommodating slot such that the temperature sensor is enclosed in the temperature sensor accommodating slot.

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Номер записи: 90
05-05-2022 дата публикации

Generator enclosure with fire damper

Номер: US20220140704A1
Автор: Brandon Klos
Принадлежит: Kohler Co

A generator enclosure for an engine-generator includes multiple walls defining at least one air path. In one example, a first wall includes an exhaust path for the engine-generator, and a second wall includes an intake path for the engine-generator. The generator enclosure may include at least one air flow frame associated with the exhaust path or the intake path and at least one movable wall supported by the at least one air flow frame, At least one thermal fuse may be coupled to the at least one movable wall and configured to release the at least one movable wall to block the exhaust path or the intake path.

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Номер записи: 91
05-05-2022 дата публикации

ROTATING ELECTRIC MACHINE AND ARMATURE

Номер: US20220140770A1
Автор: HIRAI Kensuke, KURASAWA Tadahiro, Okamura Tomoyuki
Принадлежит: Denso Corporation

A rotating electric machine includes a neutral busbar and a temperature sensor. The neutral busbar has a main body and a bent part that retains the temperature sensor therein. The main body has first and second parts each of which has one or more connection terminals formed therein. The bent part is formed between a circumferential end portion of the first part and a circumferential end portion of the second part. In the first part, there is formed, between the circumferential end portion of the first part and a closest connection terminal formed in the first part to the bent part, a first extending portion that extends axially or radially. Similarly, in the second part, there is formed, between the circumferential end portion of the second part and a closest connection terminal formed in the second part to the bent part, a second extending portion that extends axially or radially.

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Номер записи: 92
30-03-2017 дата публикации

ELECTRIC MOTOR COMPRISING A THERMAL FUSE

Номер: US20170093254A1
Автор: SCHULZ Janik
Принадлежит: BROSE FAHRZEUGTEILE GMBH & CO. KOMMANDITGESELLSCHAFT, WUERZBURG

An electric motor for driving a motor vehicle component, in particular a fan impeller for cooling cooling water, having an electronics unit that includes a lead frame around which injection-molded plastic is provided and which has a current path conducting the motor current, and having two spaced-apart current path ends that form an interruption point bridged by a thermal fuse in the form of a spring-biased contact bridge. The contact bridge is mounted so as to be pivotable about an axis of rotation extending perpendicular to the plane of the interruption point. An abutment contour, against which the contact bridge pivots as a result of the restoring force of a spring element when the thermal fuse is triggered, limits the pivoting range of the contact bridge. 1. An electric motor for driving a motor vehicle component , the electric motor comprising:an electronics unit that includes a lead frame, which is provided with plastic encapsulation and has a current path conducting the motor current; andtwo spaced-apart current path ends that form an interruption point bridged by a thermal fuse in the form of a spring-biased contact bridge,wherein the contact bridge is held so as to be pivotable about a rotation axis extending substantially perpendicular to a plane of the interruption point.2. The electric motor according to claim 1 , wherein an abutment contour that limits the pivoting range of the contact bridge is provided against which the contact bridge pivots rotationally as a result of a restoring force of a spring element when the thermal fuse is triggered.3. The electric motor according to claim 2 , wherein the abutment contour claim 2 , acting as an end stop for the contact bridge when the thermal fuse is triggered claim 2 , is formed from the plastic encapsulation.4. The electric motor according to claim 1 , wherein the contact bridge is arranged and/or guided in a circle segment-like guide slot formed from the plastic encapsulation claim 1 , which limits the ...

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Номер записи: 93
26-06-2014 дата публикации

ELECTRICITY COLLECTION AND DISTRIBUTION RING AND ELECTRIC MOTOR

Номер: US20140175921A1
Автор: EGAMI Kenichi, Tomita Kazuhiko
Принадлежит: HITACHI METALS, LTD.

An electricity collection and distribution ring includes a plurality of bus rings that include a plurality of annular conductive bodies and a plurality of connecting terminals provided on the annular conductive bodies. The connecting terminals each include a first connecting portion connected to a center conductor, a second connecting portion connected to a winding and a coupling portion for coupling the first and second connecting portions. The coupling portion includes the first extended portion including an end portion extending through a gap between the annular conductive bodies toward one side in an axial direction of the annular conductive bodies and the second extended portion extending from the end portion of the first extended portion toward one side in a radial direction of the annular conductive bodies. The second connecting portion is formed at an end portion of the second extended portion on one side in the radial direction. 1. An electricity collection and distribution ring , comprising a plurality of bus rings for collecting and distributing currents from/to multiple-phase windings wound around a plurality of circularly-arranged teeth ,wherein the plurality of bus rings comprise a plurality of annular conductive bodies each formed by covering a center conductor with an insulation and a plurality of connecting terminals provided on the annular conductive bodies at a plurality of circumferential positions,wherein the plurality of annular conductive bodies are arranged concentrically and parallel in a radial direction,wherein the plurality of connecting terminals each comprise a first connecting portion connected to the center conductor, a second connecting portion connected to the winding and a coupling portion for coupling the first and second connecting portions,wherein the coupling portion comprises first and second extended portions, the first extended portion comprising an end portion extending through a gap between the plurality of annular ...

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Номер записи: 94
01-04-2021 дата публикации

POWER-GENERATING APPARATUS FOR DOWNHOLE TUBULARS

Номер: US20210095546A1
Автор: ANGMAN Per
Принадлежит:

A plurality of energy-generator pods, and methods of use, are provided along a rotatable tubular string extending downhole from surface into a wellbore. In embodiments, rotation of the tubular acts as a rotor of the pod and an outer component about the tubular, capable of relative rotation thereabout, forms the stator. The pod can also be equipped with bi-directional wireless electronic data communication including communication uphole to surface from sensors downhole, pod-to-pod, and down-hole communication to downhole tools. Pods can be fit to centralizers already employed for rotary tubular strings, the centralizer portion engaging the wellbore and remaining stationary relative to the rotating centralized tubular. 1. An energy generator for a rotatable tubular extending downhole along a wellbore comprising:a first energizing portion drivably rotatable by rotation of the tubular; anda second energizing portion supported concentrically about the first energizing portion and rotatable relative thereto; andwherein, when the tubular rotates the first energizing portion rotates relative to the second energizing portion, electrical current is generated from one of the first or second energizing portions.2. The generator of claim 1 , wherein:one of the first or second energizing portions being a magnet for producing a magnetic field, and the other of the second and first energizing portion comprises an electrical coil, relative movement of the coil and magnetic field inducing current therein.3. The generator of further comprising a wireless data transmitter for communication of data signals between generators.4. The generator of whereinthe rotatable tubular comprises a string of rotating tubulars, at least one tubular being an energy-generating tubular comprising a rotor having an axis and a stator concentric thereto and rotatable about the rotor's axis; andfor each generating tubular, the rotor comprises the first or second energzing portion and the stator comprises the ...

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Номер записи: 95
05-04-2018 дата публикации

COMPONENT MONITORING

Номер: US20180095133A1
Автор: KEALY Paul
Принадлежит:

A component monitoring apparatus [] including an input [] to receive sensor data from a sensor arrangement [S-S]. The sensor data representative of a use of a respective component [] during a monitoring interval. A memory [] provided to store received sensor data and a life parameter associated with the component [], an interface [] provided to communicate with a remote device and a power cell [] provided to power the apparatus []. The apparatus [] arranged to: store in the memory [] received sensor data, in response to a trigger, read the sensor data from the data memory [] and transfer the sensor data to the remote device, and, in response to receipt of a data packet containing a life parameter associated with the usage of the component [], store the life parameter to the memory [ 1. A component monitoring apparatus comprising:an input to receive sensor data from a sensor arrangement, the sensor data being representative of use of a component during a monitoring interval;a non-transitory memory to store data representing received sensor data and a life parameter associated with the component;an interface to communicate with a remote device; anda power source to power the apparatus, store in the memory data representing received sensor data;', 'in response to a trigger, read the stored data from the data memory and transfer the said data to the remote device; and', 'in response to receipt of a data packet from the remote device containing a life parameter associated with the usage of the component, store the life parameter to the memory., 'wherein, the apparatus is arranged to2. The apparatus according to claim 1 , comprising a sensor arrangement to generate the sensor data.3. The apparatus according to claim 1 , wherein the memory comprises volatile memory to store sensor data.4. The apparatus according to claim 1 , wherein the memory comprises non-volatile memory to store the life parameter.5. The apparatus according to claim 4 , wherein the non-volatile memory ...

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Номер записи: 96
19-03-2020 дата публикации

ROTATING ELECTRIC MACHINE

Номер: US20200091787A1
Автор: EGASHIRA Kohei, Hino Tatsuro, MATSUOKA Shohei, Nakamura Masashi, OGURA Hironobu, OKAMOTO Shogo, YOSHIDA Shinichiro
Принадлежит: Mitsubishi Electric Corporation

In the rotating electric machine, a first terminal and a second terminal extend from two of the slots and a third terminal extends from one of the slots, which is located between the two slots. The first terminal and the second terminal are connected to each other with use of a bus bar. The bus bar has: a first end portion to be connected to a distal end portion of the first terminal; a second end portion to be connected to a distal end portion of the second terminal; and an interconnecting portion configured to couple the first end portion and the second end portion to each other, which is arranged in the circumferential direction on the stator core side of the first end portion and the second end portion so as to pass on the slot side of the third terminal. 1. A rotating electric machine comprising a stator , a stator core having an annular shape, which has a plurality of slots formed in a circumferential direction of the stator core; and', 'a stator winding mounted to the stator core,, 'the stator includingwherein the stator winding includes a plurality of coils formed by distributed winding, each being made of a conductor that is insulation-coated, 2X (X is a natural number equal to or larger than 1) slot insertion portions inserted into the slots;', '(2X-1) turn portions configured to connect the 2X slot insertion portions alternately on one axial end side and another axial end side of the stator core to continuously couple the 2X slot insertion portions;', 'radially inner-side terminals, each extending from the slot insertion portion located at one end of the continuously coupled slot insertion portions; and', 'radially outer-side terminals, each extending from the slot insertion portion located at another end of the continuously coupled slot insertion portions,, 'wherein each of the plurality of coils includeswherein the radially inner-side terminals extend from radially innermost positions in the slots in a one-by-one manner,wherein the radially outer-side ...

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Номер записи: 97
12-04-2018 дата публикации

SYSTEM, METHOD, AND APPARATUS FOR CONTROLLING OPERATION OF ENERGY MODULES OF AN ENERGY MANAGEMENT SYSTEM

Номер: US20180099568A1
Автор: Ishigaki Masanori
Принадлежит: Toyota Motor Engineering & Manufacturing North America, Inc.

A system includes energy modules that output power to an energy management bus based on load demands. An energy module includes energy cells enclosed within a module housing that provide power to the energy management bus and rotation assemblies attached on opposite ends of the module housing that provide rotational movement for the energy module. The energy module includes a local controller that controls power output from the energy cells to the energy management bus, engages a self-driving mode in response to receiving a disconnection signal from a central controller, and controls movement of the energy module in the self-driving mode to a predetermined location via the first rotation assembly and the second rotation assembly. The central controller receives a current module status from the energy modules and controls a configuration of the energy modules providing power to the energy management bus based on the current module status. 1. A system comprising: one or more energy cells enclosed within a module housing configured to provide the power to the energy management bus,', 'a first rotation assembly and a second rotation assembly attached on opposite ends of the module housing that are configured to provide rotational movement for the energy module, and', control an amount of power output from the one or more energy cells to the energy management bus,', 'engage a self-driving mode of the energy module in response to receiving a disconnection signal from a central controller, and', 'control movement of the energy module in the self-driving mode to a predetermined location via the first rotation assembly and the second rotation assembly; and, 'a local controller with first circuitry configured to'}], 'one or more energy modules configured to output power to an energy management bus based on load demands wherein an energy module of the one or more energy modules includes'} receive a current module status from the one or more energy modules, and', 'control a ...

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Номер записи: 98
12-05-2022 дата публикации

WIRING CONFIGURATION FOR A STATOR, TEMPERATURE SENSOR DEVICE, AND SYSTEM FOR DETECTING A TEMPERATURE

Номер: US20220149691A1
Автор: Brückner Christian, SCHMITT DANIEL, WILLACKER Katja
Принадлежит: ZF FRIEDRICHSHAFEN AG

The disclosure relates to a wiring configuration for a stator of an electric machine. The wiring configuration comprises a busbar which forms a segment of a switching ring with an outer connection and a winding connection. Outer connection elements and winding connection elements are arranged in a wiring region. The wiring configuration additionally comprises a receiving element which is at least thermally coupled to the busbar. The receiving element is arranged outside of the wiring region. The disclosure additionally relates to a temperature sensor device for plugging onto the receiving element of the wiring configuration and to a system for detecting the temperature of a stator. 1. An interconnection arrangement for a stator of an electrical machine , the interconnection arrangement comprising: at least one busbar , which forms at least one segment of a connector ring with an external terminal and a winding terminal , wherein contact elements of the external terminal and of the winding terminal are arranged in an interconnection region formed in a circumferential direction of the connector ring segment , through which region a current path of the interconnection arrangement extends from the external terminal to the winding terminal; and a receiving element for a temperature sensor arranged outside the interconnection region on the connector ring segment , wherein the receiving element is coupled at least thermally with the connector ring segment.2. The interconnection arrangement as claimed in claim 1 , wherein the receiving element extends in the circumferential direction of the connector ring segment.3. The interconnection arrangement as claimed in claim 1 , wherein the receiving element extends in an axial and/or radial direction of the connector ring segment.4. The interconnection arrangement as claimed in claim 1 , wherein the receiving element has two receiving bars.5. The interconnection arrangement as claimed in one claim 1 , wherein the receiving element ...

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Номер записи: 99
12-05-2022 дата публикации

CORELESS ROTATING ELECTRICAL MACHINE FOR BEING OPERATED UNDER LOAD EXCEEDING RATING, DRIVING METHOD THEREOF, AND DRIVING SYSTEM INCLUDING THEREOF

Номер: US20220149703A1
Автор: OMOMO Shuichi, Shiraki Manabu
Принадлежит: M-LINK CO., LTD.

A coreless rotating electrical machine for being operated continuously comprises a stator including an energizable coreless cylindrical coil and a lid-type mount; and a rotor including a cup-type mount. The lid-type mount is equipped with a channel for supplying a refrigerant liquid to the air gap. The coreless rotating electrical machine is operated continuously by supplying the refrigerant liquid into the air gap, allowing the cylindrical coil, which generates heat, to vaporize the refrigerant liquid, cooling the cylindrical coil by latent heat of vaporization, and repeating an operation of supplying the refrigerant liquid to prevent a temperature of the cylindrical coil exceeding an allowable maximum temperature, and an operation of adjusting the supply of the refrigerant liquid to prevent the temperature of the cylindrical coil falling below a minimum temperature, so as to maintain the temperature in a range between the allowable maximum and minimum temperatures. 1. A coreless rotating electrical machine to be operated continuously , comprising:a stator including an energizable coreless cylindrical coil and a lid-type mount which fixes an end face of the cylindrical coil; anda rotor including a cup-type mount opposingly and rotatably positioned with respect to the lid-type mount, wherein:an air gap is formed between the lid-type mount and the cup-type mount, an outer surface of each of the magnets is faced to an inner surface of the cylindrical coil within the air gap,', 'an inner surface of each of the magnets is faced to an outer surface of the cylindrical coil within the air gap, or', 'an outer surface of each magnet of a first group of the magnets is faced to an inner surface of the cylindrical coil within the air gap and an inner surface of each magnet of a second group of the magnets is faced to an outer surface of the cylindrical coil within the air gap,, 'the cup-type mount is equipped with magnets, whereinthe lid-type mount is equipped with a channel ...

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Номер записи: 100