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Match Document Document Title
8040016 Commutator brush with improved contact and non-contact zones  
The present invention relates to a brush 10 suitable for coming into contact with conducting plates 12 provided on an electric motor commutator 11. According to the invention, the brush has a means...
8035272 Carbon brush with raw graphite particles  
A rotating electrical machine, which is a direct current motor, includes carbon brushes. Each carbon brush contains graphite grains, metal particles, and solid lubricant, which are sintered in a...
8004143 Carbon brush of motor and method for producing the same  
An electric motor that includes a rotor; a coil that is wound around the rotor; and a carbon brush that supplies power to the coil, wherein the brush is formed by using a raw material in which...
7942247 Vehicle disc brake  
In a vehicle disk brake, a motor housing houses in a housing recess a case into which an end of an output shaft liquid-tightly protrudes, and is mounted to a caliper body. A reduction mechanism...
7919899 Electrical machine  
The invention describes an electrical machine having an armature with armature slots for accommodating armature coils. At least one armature coil is formed from two coil elements which are arranged...
7880363 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...
7859166 Carbon brush produced by mixing a carbonaceous filler and a binder, and kneading, shaping, and baking the mixture  
A carbon brush that suppresses a wear amount of a carbon commutator and has less swelling is provided. The carbon brush has a part connected to a lead and is one that slides in contact with a...
7768175 Brush manufacturing method, motor manufacturing method, brush, motor, and electromotive power steering device  
A manufacturing method for a brush that can reduce contact surface area between a commutator and the brush, thereby reducing frictional noise, is provided. Specifically, a method to manufacture a...
7696665 Brush holder for an electrical collector machine, particularly for a direct current motor  
A brush holder for a motor. The brush holder includes a plastic support structure corresponding incorporating at least a first and a second essentially rigid conducting element connected,...
7642688 Metal-graphite brush  
The metal-graphite brush of the present invention contains graphite, a metal, a lubricant, and bismuth or bismuth oxide in an amount of 1.0 wt. % to 3.0 wt. %. For example, the metal is copper, and...
7638918 Carbon brush having a shunt wire in a carbon brush body  
In a process for attaching a shunt wire to a carbon brush body in which a resin-containing cement is tamped into a cavity in the brush body, an improved cement is used, formed from a mixture of...
7622844 Metal fiber brush interface conditioning  
An electrical brush having at least one conductive element and at least one conditioning material coated on the at least one conductive element wherein the conditioning material has a composition...
7586230 Brush, commutator, and commutator device  
In a commutator of a rotary electric machine, each of commutator segments has a low-resistive layer made of a low-resistive material and a high-resistive layer made of a high-resistive material...
7525232 Sliding electrical contact part  
A sliding electrical contact part is disclosed. The contact part includes a base of carbonaceous material and copper. The contact part is lead-free and contains zinc and iron-base particles having...
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...
7294166 Metal-graphite brush  
A brush body 4 of a metal-graphite brush 2 is composed of a commutator side portion 6 which contains graphite, copper and a metal sulfide solid lubricant, and a lead side portion 8 which contains...
7268461 Low cost electrical motor components manufactured from conductive loaded resin-based materials  
Electric motor components are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a...
7265475 Electric motor having convex high-speed brush  
A two speed direct current electric motor comprising: an armature having a commutator assembly that is adapted to receive an electromotive force to cause the armature to operatively rotate. A brush...
7199499 Homopolar machine with brush improvement  
The wear life of flexible copper fiber brushes when used at a positive pole in a direct current motor or generator is improved by the provision of an effective amount of zinc as a sacrificial anode...
7138744 Brush of rotary electric machine  
A brush to be disposed on a commutator of a dc rotary electric machine includes a high resistance member to be positioned at a front side of the commutator in the rotation direction, a low...
7138743 Solid and liquid hybrid current transferring brush  
The moving slip ring surface of electrical machinery transfers electrical current by contact thereof with liquid metal directly or through the tips of a plurality of closely spaced brushes...
7129615 Metal coated carbon brush  
Disclosed is a metal coated carbon brush having a carbonaceous substrate and a metal coating formed on a surface of the carbonaceous substrate having a mean pore radius of 0.1–2.0 μm and an ac...
6933651 Commutating device for small-sized motor and manufacturing method therefor  
In the present invention, by selecting an optimum combination of plating layer materials or materials, not only the manufacturing cost of motor brush is reduced but also a plating layer having...
6909219 Carbon brush for electric machine  
Molybdenum disulfide, tungsten disulfide or the like as a solid lubricant and any of alumina, silica, silicon carbide or the like as an abrasive are added to filter graphite. A metal of good...
6838627 Contact element and a contact arrangement  
An element (20) for making an electric contact to another contact member (19) for enabling an electric current to flow between said element (20) and said contact member comprises a body having at...
6815862 Multilayer brush  
In a multilayer brush composed chiefly of copper and graphite and incorporated therein with a solid lubricant, which consists essentially of two types of brushes, a high-copper-content part brush...
6809454 Motor having brush holder with communication hole  
In a motor having a motor unit and a speed-reducing unit, a brush holder is sandwiched between a yoke housing of the motor unit and a gear housing of the speed-reducing unit. The brush holder...
6809455 Brush holder comprising brushes with contact tabs, spring and damping element  
The invention concerns a commutator device (1) for electric motor, comprising a housing part (2) and commutator brushes (3) housed in the housing part, each brush comprising a contact surface (8)...
6800981 Tubular brush holder  
A brush holder including a tubular brush box, a baseplate configured to be fastened to an electrical brush and movable in the brush box, a resilient multi-contact lining disposed in the brush box...
6787963 Brush assembly  
An brush assembly is provided in which electric power losses in brushes 32 are reduced, thereby suppressing an abnormal or excessive rise in temperature of the brushes. A tip end of a lead wire 33...
6787962 Starter with overheat protection device including brush device  
The brush device of a starter with an overheat protection device of the present invention is provided with brush holders, brushes slidably supported in the brush holders, respectively, springs...
6737784 Laminated amorphous metal component for an electric machine  
A bulk amorphous metal magnetic component for an electric machine such as a motor or generator is described. The component may include a plurality of substantially similarly shaped laminations...
6731042 Constant force cartridge brush holder  
A brush holder assembly for use in an electric actuating device includes a cylindrical sleeve mounted in a housing of the device. The sleeve incorporates a tube that has an end extending inwardly...
6700289 Direct current commutator motor  
A DC commutator motor that is driven by a direct current power source obtained by rectifying an alternating current power source includes a plus-side brush made of material having a high...
6528923 Rotary electric machine with stacked brush  
A rotary electric machine includes a stacked brush, where low-resistance and high-resistance brush layers are disposed at the front and rear end sides in the rotational direction of a commutator,...
6514630 Au-based clad composite material, producing method thereof and micromotor using the same  
To provide a contact material suitable for a commutator of a micromotor which can improve wear resistance and prolong the life of the micromotor by improving an Au-based clad composite material...
6505807 Blower motor with annular damping element  
A blower motor (10) is accommodated in a housing pot (12) with a fastening flange (14); damping elements are disposed between the blower motor (10) and a fastening region (16). At least one annular...
6441533 Electric motor with commutator  
An electric motor comprising a commutator and lever brushes which resiliently press thereagainst and are pivotable about a pivot axis, a connection line which extends in a direction perpendicular...
6245440 Continuous metal fiber brushes  
A conductive fiber brush including a brush stock composed of plural conductive fibers or strands of fibers at least some of which may have plural bends along the leg of the fibers or strands. The...
6144134 Structure hidden mount for electric motor carbon brushes  
A structure for mounting a brush on an electric motor, including a mounting bracket having an opening at one end for allowing the brush to slide out of the mounting bracket and abut a moving...
6091051 Heating device  
A heating device comprises an endless rotary member, a resistance heating member, a current receiver member provided at the endless rotary member and a current supply member being in contact with...
6091178 Carbon brush for electric fuel pumps  
An improvement to an electric fuel pump which includes an electric motor with a rotating commutator defining an axial direction, a radial direction and a tangential direction, and having a...
6087754 Cut-out brush for electric hand tool  
A manual electric machine tool (10), having an electric motor (16), whose commutator (20) can be connected to a voltage source via at least one carbon brush (22) pressed against the commutator (20)...
6081060 Motor assembly for power tools  
A power tool has an electric motor with a stator assembly and an armature rotatable within the stator assembly. A commutator is rotatable with the armature and is connected to the armature via a...
6068926 Carbon brush and process for impregnating same  
The invention relates to a carbon brush, which is impregnated with a modified siloxane.
5977681 Metal belt and collector ring assembly for transferring electrical current to a rotating body  
A collector ring for transferring electrical current between a non-rotatable member and a rotatable member. The collector ring comprises a first support which is fixed to the non-rotatable member...
5936323 Permanent magnet rotation type rotary machine and manufacturing method thereof  
Plural magnet insertion holes are provided at a vicinity of an outer peripheral of a laminated rotor core toward a circumferential direction and extend toward an axial direction. The magnet...
5909077 Brush having inclined grooved contact surface  
The invention describes a carbon brush for an electrical machine. Carbon brushes of this type need to fulfill two requirements. First, the carbon brush should be as resistant to abrasion as...
5847477 Lead-wire leading device in electric motor  
A lead-wire leading device in an electric motor which comprises: lead wires 10a and 10b having first ends which are connected to a terminal, and second ends, namely, the remaining ends which are...
5843567 Electrical component containing magnetic particles  
There is disclosed an electrical component having an axial direction and two ends for making electrical contact with another component comprising a plurality of electrically conductive fibers in a...
Matches 1 - 50 out of 115 1 2 3 >