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7615908 |
Vehicle alternator with improved operation reliability
An alternator for a vehicle is disclosed as having front and rear frames supporting a stator having a stator winding, a rotor fixedly carried on a rotary shaft and rotatably disposed inside the...
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7612482 |
Electric motor with brush plate
An electric motor fixedly axially securable in a housing includes a brush plate with a plurality of axially projecting, uniformly circumferentially distributed, convexly shaped, locking segments...
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7608970 |
Brush holder assemblies with removable rotatable handles and methods of replacing brush holders
Brush holder assemblies are detailed. The assemblies permit on-line brush replacement and are interchangeable with devices currently provided by original equipment manufacturers. As well, they...
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7600577 |
Device for sensing the direction of rotation of a hand tool comprising an electric motor
A device for sensing a direction of rotation of a hand tool having an electric motor, has a rotatably supported brush plate provided in the electric motor and located in different positions...
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7579741 |
Automotive dynamoelectric machine
A rear-end bearing accommodating portion that has a floored cylindrical shape is formed integrally on a rear bracket. A brush apparatus is mounted to the rear bracket by mounting a slinger portion...
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7579740 |
Automotive alternator voltage control apparatus
An object of the present invention is to provide a voltage control apparatus enabling reduction in an angle formed by first and second circumferential end surfaces of a general fan shape centered...
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7579730 |
Motor and manufacturing method thereof
A motor main body includes a brush holder, which holds a plurality of power supply brushes. A control circuit member includes a drive control IC, which controls rotation of the motor main body, and...
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7579728 |
Electric drive with expandable catch and protective device
An electric drive for an electric motor. The electric drive is made up of components consisting of a brush holder plate and a bearing plate which are interconnected via at least one snap-on...
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7576461 |
Electric motor
The electric motor is a fitment to a customer's unit and in particular to a customer's electronic throttle control unit. The motor comprises a can-like metal housing 10 having one or more...
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7573174 |
Universal motor with a device for removing dust
A universal motor ( 2 ) includes at least two carbon brushes ( 36 ) contacting the commutator ( 14 ), a ventilation device ( 12 ) for producing a cooling flow (K), and a dust protection arrangement...
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7569959 |
Motor
A motor has a field body having a number of field poles and an armature body having a number of coils which is placed outside of the above described field body in the radial direction. A commutator...
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7568893 |
Electric air pump for secondary air supply system
When an air pump is operated, a brush temperature increase rate stored in an ECU in relation to a discharge pressure of the air pump and a brush temperature is multiplied by a calculation cycle...
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7564160 |
Brush holder apparatus, brush assembly, and method
Devices and methods of use for brush holder assemblies are disclosed. Brush holder assemblies including a mounting block and a brush holder are disclosed. Also illustrated is a brush holder...
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7554239 |
Dynamo-electric machine and vehicular air blower having the same
Each brush box, which receives a corresponding brush, has a contact wall. The contact wall becomes deformable when the temperature of the contact wall reaches a predetermined temperature. A...
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7554232 |
Protective cover which is intended to be mounted on the rear bearing of a rotating electrical machine, alternator and alternator-starter comprising one such cover
The invention relates to a protective cover which is intended to be mounted on the rear bearing ( 14 ) of a polyphased rotating electrical machine, such as an alternator or an alternator-starter...
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7545072 |
Resilient member for a brush holder assembly
Disclosed is a resilient member for use in a brush holder assembly. The resilient member may be positioned between at least a portion of a brush and at least a portion of a brush holder. For...
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7545071 |
Brush holder device for use in small-size motor
A brush holder device includes a brush including an integrally formed engagement portion; a brush arm having an engagement hole formed therein, the engagement hole assuming substantially the same...
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7541704 |
Electric machine including a brush-holder support having flex foil, as well as a method for producing a brush-holder support
An electric machine includes brushes and a brush-holder support in which an electrical connection of components of the brush-holder support is realized with the aid of a flex foil. Furthermore, a...
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7531938 |
Insertable brush holder assembly for electric motor
A brush holder assembly for an electrical motor includes a brush box including a main body and a cover portion, the main body with a cavity and including a set of first arms extending in opposition...
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7531927 |
Vehicle-use AC generator having rear cover formed to prevent intrusion of foreign matter into vicinity of slip rings
The rear cover of a vehicle-use AC generator is integrally formed with a portion that is shaped to enclose at least a part of a circumferentially extending region around the slip rings of the...
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7518281 |
Electric motor with a housing for at least two carbon brushes
An electric motor includes carbon brushes ( 5 ) disposed in a holder ( 6 ) that are pressed by means of a spring force ( 7 ) in a radial direction against a jacket face of a cylindrical collector (...
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7514836 |
Insulated carbon brush guide
A carbon brush guide for dynamoelectric machines, in particular for electric motors. The carbon brush guide is produced from aluminum and has at least one insulating layer made of anodized...
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7511397 |
Brush system for an electromotive drive unit
A brush system for an electric drive unit has a base to which brush system elements are fastened. Strip conductors via which required electrical connections are established are also provided on the...
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7511393 |
Motor and brush holder thereof
A brush holder of a motor is provided with a holder body portion and a connector portion, which are integrally formed from a resin. The holder body portion is installed in a yoke housing of the...
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7501736 |
Miniature motor
A miniature motor 1 includes: a motor case 2; a gear case 5 connected to the motor case 2 , for pivotally supporting an output shaft 15 ; a brush holder 30, 30 ′ for holding a brush 17 ...
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7495367 |
Brush mounting plate with brush guiding plates
A brush mounting plate for a universal motor includes U-shaped brush guiding plates ( 4 ) for radially guiding carbon brushes ( 3 ) and having radially offset guiding plate feet ( 5 ) which extend...
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7471021 |
Wiper motor for driving wiper
A connector part extends outward of a yoke housing from a holder base and is connectable with an external connector to receive an electric signal. A contact base extends from the holder base into...
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7459819 |
Electric motor and brush retaining assembly
The present invention generally provides a motor-fan unit including a motor assembly having a shaft, a commutator supported on the shaft, and a pair of brushes in electrical contact with the...
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7443072 |
Brush card for window lift motors
A brush card assembly 10 includes a brush card member 12 , conductive contacts 14 provided on the brush card member, and brushes 16 mounted to be electrically in contact with the conductive...
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7432627 |
Brush assembly including biasing member for applying force
A brush assembly may include a support member, a conductive arm having a first end portion and a second end portion, where the first end portion is coupled to the support member, a brush coupled to...
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7420311 |
Brush arrangement for an electric machine
A brush device for an electric machine having at least one brush and at least one element such as a helical, scroll, or plunger spring for pressing each brush against a rotating contact element,...
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7417353 |
On-vehicle alternator with brush/slip ring structure
An alternator (AC generator) to be mounted on a vehicle comprises slip rings, brushes, a brush holder, a rear cover, and sealing members. The slip rings are fixed on a rotary shaft and rotatable...
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7417352 |
Brush holder and manufacturing method thereof
A brush holder incorporates a terminal integral part, which has a coupling portion. The coupling portion couples the terminals with each other. The brush holder has a resin body and a plurality of...
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7414346 |
Brush holder for dynamo-electric machine
Terminal plates are located in a brush holder base, a spring and a brush are located in the brush holder base, and the terminal plates are connected to pigtails in an area within 90° in a backside...
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7402933 |
Constant force modular integrated internal brush holder
In one embodiment of the present invention there is provided a brush holder for use with an electric motor, generator, or actuating device. The brush holder includes a body having an upper portion...
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7397153 |
Power tool
A power tool has an electric motor, a brush element that is supported rotatably for switchover between clockwise operation and counterclockwise operation of the electric motor and includes a brush...
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7394179 |
Alternator having a slip-ring cover connected to brush holder
An automotive alternator has slip-rings connected to a rotor shaft and a brush device covering the slip-rings. The brush device is composed of a brush holder supporting brushes therein and a...
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7388314 |
Brush holder for an electrical machine
The present invention relates to a brush holder for an electrical machine, including a housing for receiving a brush, a prestressing element, and a securing element disposed on the housing, for...
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7365470 |
Brush holder assemblies including brush holders with handles
Brush holder assemblies are detailed. The assemblies permit on-line brush replacement and are interchangeable with devices currently provided by original equipment manufacturers. As well, they...
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7355314 |
Device for reversing rotational direction of a motor
An electrical hand-held power tool ( 2 ) includes an electric motor ( 4 ) with a stator ( 12 ), and a device ( 26 ) for reversing the rotational direction of the motor ( 4 ) and which has a contact...
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7352103 |
Motor assembly with a sealed commutator/brush interface
A motor assembly includes a commutator having a shaft extending axially therefrom, a commutator end bracket assembly, and at least two brushes carried by the commutator end bracket assembly and in...
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7345389 |
Motor, motor having encoder, and multi-direction input device
A motor includes a casing and a holder which support a rotation shaft. A concave groove is formed in the holder near the inner periphery of the holder. The concave groove accommodates a positive...
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7339294 |
Vehicular starting and charging rotary electric machine
A vehicular starting and charging rotary electric machine includes a rotor, a stator, brackets, a brush, and a rotation detection sensor. The rotor has a field winding. The stator has a stator...
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7323796 |
Motor-driven tool
In a motor-driven tool, a carbon brush part 8 is arranged between a suction port 6 and a commutator 11 of the motor and includes a cylindrical side wall 8 a . The cylindrical side wall 8 a ...
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7291957 |
Universal terminal bar structure with ground contacting feature integrated into a body structure with versatile RFI suppression for electric motors
A method of providing RFI suppression in a DC motor provides a universal terminal bar structure 70 including a positive terminal bar 72 and a negative terminal bar 76 , a first choke 80 ...
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7282125 |
Contact element holder
A contact element holder, in particular a brush holder for commutator or wiper ring machines, has a carrier that can be secured to the machine housing and at least one quiver, held on the carrier...
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7276827 |
Motorized reduction gear for functional equipment of a vehicle
A motorized reduction gear intended for functional equipment of a vehicle includes a rotor having with a rotor shaft bearing a commutator, a reduction gearbox containing a gearwheel engaged with a...
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7274127 |
Automotive alternator and automotive alternator brush abrasion detection system
A brush holding apparatus is mounted to an inner wall surface of a rear bracket and a cap mounted to a head portion of a brush holder portion is exposed through an opening in the rear bracket....
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7265474 |
Spiral and leaf spring arrangement for holding and applying power to a carbon brush
The invention relates to an arrangement for holding and/or guiding and applying power to a carbon brush ( 16, 18 ) in the direction of a current-transferring commutator ( 14 ) comprising a first...
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7265465 |
Small-sized motor, small-sized vibration motor, and portable information device
The present invention is constituted such that a motor is small in size and can be mounted simply, with a sure electrical connection by means of power terminals. There is provided a terminal seat...
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