Matches 1 - 34 out of 34


Match Document Document Title
US20100013361 ELECTRIC MOTOR AND ROTOR THEREFOR  
An electric motor comprises: a rotor; a stator; and brush gear. The rotor has a shaft, a rotor core and a commutator fitted to the shaft. The rotor core has 5n teeth, n being a positive integer....
US20140117808 ELECTRIC MOTOR  
An electric motor includes: an electric motor case shaped like a cylinder; an electric motor shaft rotatably provided at a center of the electric motor case; a magnet provided at an inner...
US20080174117 DC motor having enhanced startability  
A dc motor is provided which is equipped with brushes each of which is urged by a spring pressure into constant abutment with a commutator surface. A plurality of protrusions are arrayed on the...
US20080012446 Motor with brush  
A motor with a brush having a rotor, a commutator, a brush and a stationary side member is provided. The commuator is rotatable with the rotator and the stationary side member retains a base end...
US20050200230 Electric motor with interference suppressor  
An electric motor includes a commutator housing mounted integrally with a stator. The housing includes brushes and an interference suppressor filter that links the brushes pairwise. A commutator...
US20050168100 Electric motor with commutator, and manufacturing method of armature and starter motor for engine  
To accomplish the above object, this embodiment forms the coil connecting parts 34e on the vertical sections 34d of the commutator segments 34b so that the coil conductors 32a may be assembled...
US20080136288 Commutator and Method of Commutating Current in a Rotating Electrical Machine  
A commutator for rotation with or by the shaft of a electrical machine has first and second electrically conductive commutator segments provided on a base for electrical engagement with brushes...
US20080238241 COMMUTATOR MOTOR AND ELECTRIC VACUUM CLEANER USING THE SAME  
An efficient and high-performance commutator motor in which both torque enhancement and iron loss reduction are achieved is provided by ensuring a sufficient area occupied by field windings wound...
US20150015111 SLIDING CONTACT MEMBER, AND DC MOTOR AND GENERATOR USING SAID SLIDING CONTACT MEMBER  
The present invention is a sliding contact member, including a powder compact portion that contains an electrically conductive diamond and an electrically conductive binder, and is provided at...
US20070067981 Commutator for an electric machine and method for producing same  
A commutator is made loading prefabricated metal conductor segments into a die assembly. The die assembly includes a first and second inner die and an outer die, wherein spacer strips of the outer...
US20080197722 Electric motor with a commutator-side rotor bearing  
An electric motor has a housing (2) with a stator (3) and a rotor (5) located therein, a rotor bearing (4) for rotatably supporting a rotor shaft (6) around a rotor axis (A), a commutator (7), and...
US20070007845 Built-up commutator and micro-motor employing the same  
This invention provides a built-up commutator which can effectively contribute to light weight and small size thereof due to decreasing the number of constitutional components and enhancing an...
US20060033398 Drum commutator for an electric machine  
A drum commutator for an electric machine includes a sleeve-shaped support element made of an insulating pressing material, a plurality of metallic conductor segments which are evenly arranged...
US20080258574 DIRECT CURRENT MOTOR  
A direct current motor including a rotor, a stator, a brush holder, and a brush. The rotor includes a core, a plurality of commutator segments, and a plurality of segment coils. The core has a...
US20140285059 METHOD FOR MANUFACTURING A COMMUTATOR USING A BRAZING AND SOLDERING PROCESS  
A commutator (10) comprising a plurality of commutator bars (12) formed from a graphite structure (30) and a metal sheet (20) having soldered to the graphite structure (30) includes a brazing...
US20120133240 BRUSH ARRANGEMENT FOR ELECTRICAL MACHINE  
An electrical machine, in particular an electric motor, has a first number (k) of commutator laminates (10, 12, 14) and brushes (16, 18), wherein the commutator laminates (10, 12, 14) are arranged...
US20060255680 Commutator and brush materials for small electric motor, clad composite material, and small electric DC motor using the same  
An object of the present invention is to provide a commutator or brush material for a small electric DC motor which enables a lengthened operating life of a spindle motor for a DVD controlled...
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...
US20080042513 Sliding Body Holder  
A commutator machine and a sliding body holder for electrically contacting a rotor has at least one sliding body and a leaf spring which centrally supports the sliding body and is fixed on its end...
US20080122303 DIRECT-CURRENT MOTOR AND MANUFACTURING METHOD FOR THE DIRECT-CURRENT MOTOR  
A direct-current motor includes a stator having a magnetic field system, a rotor disposed around the stator, a commutator which rotates together with the rotor, and power supply brushes which are...
US20090236928 ELECTRICAL MACHINE  
The invention describes an electrical machine having an armature with armature slots for accommodating armature coils, and a commutator with commutator laminates. At least one armature coil is...
US20100308688 SLIDING CONTACT MATERIAL, CLAD COMPOSITE MATERIAL, AND MOTOR  
[Problem to be Solved] There is provided a highly wear-resistant and durable sliding contact material applicable to a commutator of a motor used for high-capacity applications in which the initial...
US20110234040 COMMUTATOR  
A carbon commutator, for an electric motor, has a plurality of segments forming a brush contact surface and a hub supporting the segments. Each segment has a connector having a terminal for...
US20070080601 Commutator  
A commutator for an electrical machine, which has a plurality of laminations that have contact faces and are separated from one another by slots in which, in the laminations, at least one groove...
US20080063546 Electric fuel pump  
A fuel pump includes a case member, which defines a fuel passage and accommodating a pump portion for pumping fuel. A motor portion is provided in the case member, and including a commutator for...
US20080231139 Method for Production of a Commutator, as Well as Commutator  
The invention relates to a commutator comprising a support body (1), a plurality of conductor segments (13) that are secured in said body and a compensation unit (18) comprising several...
US20050231062 Method of manufacturing riser commutators  
Rotary switches, and in particular riser-style commutators, are detailed together with featured strips from which they are made. Segments formed from the strips may include anchor notches and...
US20120069460 PERMANENT MAGNET ELECTRIC MOTOR  
A permanent magnet electric motor includes a rotor and a stator magnetically coupled to the rotor. The rotor includes a shaft, a rotor core fixed to the shaft and having n teeth, n being an...
US20140159521 METHOD AND APPARATUS FOR REDUCING NOISE OR ELECTROMAGNETIC INTERFERENCES IN A ROTATORY DEVICE  
An apparatus includes multiple brushes (30, 30B, 30A, 30a, 30b) and a commutator (10) that has multiple commutator plates (12, 12A, 12B, 13B) to contact the multiple brushes for commutation in...
US20120112596 DC COMMUTATOR DOUBLY SALIENT RELUCTANCE MOTOR  
A dc commutator doubly salient reluctance motor is composed of a stator component, a rotor component, a commutator component, a brush component and a motor housing. The commutator does not rotate...
US20100133948 CARBON COMMUTATOR AND CARBON BRUSH FOR FUEL PUMP, AND FUEL PUMP HAVING THE CARBON COMMUTATOR AND THE CARBON BRUSH INCORPORATED THEREIN  
The present invention provides a carbon commutator and a carbon brush for a fuel pump which have excellent slidability and abrasion resistance, and a fuel pump having the carbon commutator and the...
US20170179789 ELECTRIC MOTOR FOR VACUUM CLEANER  
There is provided an electric motor suitable for a vacuum cleaner, which achieves high output and high efficiency in operation at a rotation of 30,000 rpm or more, required for a motor for a...
US20170104394 ROTARY DEVICE  
A rotary device having a brush that includes a slide-contact portion, a fixing section, and a conductive bonding material. The conductive bonding material bonds together the slide-contact portion...
US20150318652 ELECTRIC MOTOR BRUSH APPARATUS AND METHOD  
A motor assembly includes: a motor housing including: at least one brush receptacle having top and bottom ends; a locking element extending from the top end toward the bottom end; and a housing...

Matches 1 - 34 out of 34