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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 (...
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...
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...
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...
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 ...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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 ...
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...
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...
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....
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...
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...