Matches 1 - 33 out of 33


Match Document Document Title
US20100314966 COMMUTATOR  
A commutator has an electrically non-conductive base and a plurality of commutator segments fixed to the base. Each segment comprises an electrically conductive connector and a segment part,...
US20150194779 COMMUTATOR OF MOTOR AND MOTOR HAVING THE SAME  
Provided is a commutator of a motor including a body and hooks forming coil-receiving spaces between the body and inner surfaces of the hooks, wherein the hooks include recesses concavely formed...
US20110148247 Commutator for an electrical machine, and electrical machine  
The invention relates to a commutator for an electrical machine, having a commutator body on the outer circumference of which a plurality of electrically conductive, elongated laminations are...
US20130020892 COMMUTATOR  
A commutator includes a first body and a second body which are separately made of electrically insulating material, a plurality of commutator segments fixed on an outer surface of the first body...
US20090091209 COMMUTATOR ROTOR OF AN ELECTRICAL MACHINE AND PROCEDURE FOR ITS MANUFACTURE  
A rotor exhibits a carbon commutator (4). For the manufacture of the rotor, an insulating support (9) is positioned on the rotor shaft (1). The insulating support (9) features lugs (13), around...
US20050151441 Commutator, and electrical motor and fluid pump using the same  
A commutator includes plural segments arranged in a rotational direction, and segment terminals electrically connected to respective segments. The segment terminals include middle terminals and...
US20100295409 METHOD AND DEVICE FOR PRODUCING AN ELECTRIC MACHINE WITH A COMMUTATOR  
The invention relates to a method and device for producing an electric machine, an electric machine with a commutator, having commutator hooks for fixing electric wire windings with solder...
US20060261700 Method of making armature and power tool; electric motor and armature therefor  
An armature for an electric motor has a lamination stack having slots in which magnet wires are wound. An armature shaft extends coaxially through the lamination stack and a commutator is disposed...
US20070046134 Commutator and method for manufacturing commutator  
A commutator includes a commutator body having segments and a short circuit member for short-circuiting the segments. The short circuit member includes first short circuit pieces and second short...
US20090108698 ELECTRIC MOTOR COMMUTATOR  
A commutator 10 for an electric motor comprises a plurality of commutator segments supported by a base. The segments have an electrically conductive body portion 14 and at least one electrically...
US20070282461 Single Winding Back Emf Sensing Brushless Dc Motor  
A method and controller for electronically commutating a permanent magnet brushless dc motor (21) under closed loop control where current is commutated (22) through successive combinations of two...
US20080054752 Communicator Motor and Method of Manufacturing the Same  
A commutator motor includes a field magnet having a field magnet core and a field magnet winding, and an armature having a rotary shaft, an armature core fixed to the rotary shaft, an armature...
US20060138892 Rotor and winding method of same  
A rotor in which a crossover portion from a commutator riser to a salient pole portion is disposed so as not to be broken, and a winding method of the rotor are provided. In a rotor having: an...
US20080231137 Armature, dynamo-electric machine and winding method  
A coil of a winding is wound around teeth of an armature core for a predetermined number of times in a motor. A start lead of the winding connects between the coil and a corresponding start...
US20110198954 Electric motor and reduction motor  
Disclosed is a motor in which a commutator (10) is provided with connecting wires which short-circuit equipotential segments; brushes (21) are constituted by a low-speed brush (21a), a high-speed...
US20110241475 METHOD FOR PRODUCING A ROTOR OF A COMMUTATOR MOTOR, A COMMUTATOR MOTOR, AND ANTI-LOCK BRAKING DEVICE  
The present invention relates to a method for producing a rotor of a commutator motor, particularly in a direct current design, comprising a stator having a plurality of stator poles, wherein the...
US20100019615 COMMUTATOR FOR AN ELECTRICAL MACHINE  
The invention relates to a commutator with contact segments, arranged at a distance from each other and forming a brush running surface. Each contact segment is soldered to a securing portion of a...
US20080238243 Commutator for an Electric Machine  
A commutator for an electric machine with commutator bars, wherein on one side of the commutator which faces a rotor winding, at least one angled retaining element is formed on at least one...
US20070216255 ELECTRIC MACHINE  
An electric machine including armature equipped with armature slots for accommodating armature coils, a commutator equipped with commutator segments, and a first and second hammer brush that each...
US20080143211 Face Commutator and Method for Producing a Face Commutator  
The invention relates to a face commutator (101) having a supporting body (102) consisting of an electrically insulating material, a large number of connection segments (108) consisting of an...
US20090146525 Commutator and direct current motor  
A segment center line is defined for each segment. Each segment center line extends from the center in the circumferential direction of the radially outer end of the segment to the center in the...
US20050029892 COIL TERMINAL CIRCUIT STRUCTURE FOR ROTARY ELECTRICAL DEVICE  
An electrical device having a number of embodiments of multi phase armatures incorporating terminal circuits with maximum efficiency and the ability to use automated techniques as well offering...
US20120086297 MOTOR  
A multipolar motor is simply wire-wound and an output thereof is capable of being switched. The motor includes at least 8 magnetic poles, an armature including at least 10 tooth sections; a...
US20110018385 MOTOR  
A motor 10 includes: a yoke on whose inner surface a four-pole magnet is attached; a gear case 15 jointed to an opening portion of the yoke and storing a speed-reduction mechanism; a brush holder...
US20090146526 Short-circuit member assembly, commutator, and motor  
A short-circuit member assembly for short-circuiting a plurality of segments arranged in a circumferential direction is disclosed. The short-circuit member assembly includes first and second...
US20150137658 COMMUTATOR AND METHOD FOR FORMING THE SAME  
A commutator is formed by providing an electrically insulating commutator body. First and second areas are defined on the commutator body covering a brush contact surface in an alternating manner....
US20130147312 Brush Motor and Cooling Fan Incorporating the Motor  
A brush motor includes a stator and a rotor. The stator includes multiple magnets attached to an inner surface of a stator housing and a brush assembly fixed relative to the housing. The rotor...
US20130285503 Commutator Motor  
A commutator motor has a stator, brushes and a rotor. The rotor has a shaft, a rotor core fixed to the shaft, a number of coils wound about the rotor core and a commutator fixed to the shaft next...
US20140084745 COMMUTATOR  
A commutator includes a cylindrical insulator and commutator pieces, which are formed on the outer circumferential surface of the insulator and arranged side by side in the circumferential...
US20160254630 COMMUTATOR, MOTOR, AND MANUFACTURING METHOD OF COMMUTATOR  
A commutator includes an insulating section that is formed in a tube shape including a shaft insertion hole through which a shaft is inserted, and that is formed with an indented portion in an end...
US20160028200 ROTOR OF A DYNAMOELECTRIC MACHINE  
A rotor of a dynamoelectric machine is provided, the rotor comprising a shaft, an essentially cylindrical armature, an armature coil comprising aluminum coil wires and a drum commutator, which...
US20150318768 CONTACT ELEMENT FOR AN ELECTRIC MACHINE  
The invention relates to a contact element (10; 10′; 10″; 10′″) for providing an electrical contact to an electric machine, particularly in a motor vehicle, comprising: a first contact section...
US20150284251 Carbon Product  
A carbon product is made of mesocarbon microbeads and graphite. Preferably, the weight percent of mesocarbon microbeads is 50-99% and the weight percent of graphite is 1-50%. Preferably, when the...

Matches 1 - 33 out of 33