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8177040 |
Disk brake for vehicle
In a disk brake for a vehicle, an electric motor is attached to a caliper body so as to exhibit a power for urging a friction pad toward a disk rotor. The electric motor includes a brush holder for...
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8167623 |
Multi contact brush for slip rings
A sliding-contact arrangement or slipring includes a slide-track having a V-shaped groove and also a brush having at least two slide-wires which simultaneously make sliding contact with the...
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8089193 |
Automotive alternator having brush device covered with surrounding wall
An alternator for generating electric power is mounted on an automotive vehicle. The alternator includes a housing, a stator fixed in the housing, a rotor driven by an engine of the automotive...
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8084704 |
Switch for a brush wear recording circuit
A switch for a brush wear monitoring recording circuit for monitoring wear of at least one brush, the switch having an open and a closed state, comprises a fixed part including a switch plate...
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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...
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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...
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8011488 |
Rotating coil type electromagnetic clutch
Brushes (20, 21) which come into slidable contact with slip rings (23, 24) having power feeding terminals (51, 53) electrically connected to a power feeding side include extending portions (32, 36)...
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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...
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7936105 |
Audible brush wear indicator for rotating electric machines
An electric machine incorporates a brush assembly that provides an audible warning when the brush in the brush assembly approaches the end of its useable length. The brush incorporates a device...
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7928629 |
Direct current motor
A stator has four or more magnetic poles. A commutator has a plurality of segments arranged in the circumferential direction and a short-circuit conductor for short-circuiting predetermined...
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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...
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7915782 |
Electrical machine and method of retrofitting an electrical machine
There is described an electrical machine with a rotor shaft, a slip ring, arranged on the rotor shaft, and at least two sliding contacts arranged along the circumference of the slip ring for...
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7893593 |
Automotive engine starter and electric rotary machine designed to withstand vibrational impact
An electric rotary machine which may be employed as a dc motor in an automotive engine starter. The motor includes an armature equipped with an armature shaft, a commutator, brushes, and a bearing...
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7888838 |
Electrical device comprising a carbon brush shape adapting device
In an electrical device, in particular a power tool, equipped with a commutator motor, and in an accessory for an electrical device of this kind, a carbon brush shape adapting device is an integral...
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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...
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7859149 |
Electric motor and method of manufacturing the same
Assembly work of an electric motor in which a power supply device and a rotation detector both equipped in a motor case are connected to a control device via a connector unit can be made easy. A...
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7859148 |
Motor having brush holder comprising brush retaining portion and base member in which brush retaining portion is loosely fit
A brush holder includes a base member and a retaining member mounted on the base member. The retaining member includes a first brush retaining portion and a first coil retaining portion. A first...
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7772733 |
Flat electrical generator
An electrical generator includes a rotary disk that is made of plastic injection molding in which a plurality of coils each having an exposed contact is embedded. Two stationary disks are arranged...
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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...
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7750493 |
Wind turbine assemblies and slip ring assemblies for wind blade pitch control motors
Slip ring assemblies for controlling pitch of a wind driven blade such as those utilized in wind turbines can include a series of grooves disposed about an outer perimeter of a rotating portion,...
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7732971 |
Carbon brush holder
A carbon brush holder includes an insulated housing having a through hole with a first section, a second section and a stepped portion between the first and second sections. A carbon brush-holding...
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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,...
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7671506 |
Brush apparatus
A brush apparatus includes a brush and a brush holder. The brush includes a pigtail embedded in a wider side thereof so that the longitudinal side in cross-section of the pigtail extends in...
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7629723 |
Detection of the amount of wear on a motor drive system
A method and a device, respectively, for detecting the amount of wear on the carbon brush drive system of an electrically commutated d.c. motor which is used, for example, in the form of a pump...
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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...
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7608971 |
Brush-holder for a carbon brush
An electric motor, in particular a motor and gear box unit for activating functional equipment in a vehicle, includes a rotor shaft (1) carrying a commutator (2) co-operating with conductive...
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7560849 |
Motor vehicle AC generator having substantially identical rates of wear of the generator brushes
In an AC generator of a motor vehicle, having a positive polarity brush from which current flows into a corresponding slip ring and a negative polarity brush into which current flows from the...
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7560847 |
Two-stage eutectic metal brushes
A two-stage eutectic metal brush assembly having a slip ring rigidly coupled to a shaft, the slip ring being electrically coupled to first voltage polarity. At least one brush is rigidly coupled to...
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7557485 |
Ion conducting electrolyte brush additives
The present invention's unique utilization of an electrolytic solution renders more efficient the conduction of electricity between two objects (such as two parts of electrical or electromechanical...
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7545073 |
Fluid-dispensing reservoir for large-diameter slip rings
The invention provides an improvement in a slip ring (20) adapted to provide electrical contact between a stator (21) and a rotor (22). The improvement includes: a current-carrying conductor (23)...
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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...
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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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7498712 |
Grain orientation control through hot pressing techniques
Systems and methods for electrical component, e.g., brush, manufacture are provided that control grain orientation. The systems and methods utilize hot pressing techniques to enhance the properties...
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7495366 |
Compact slip ring incorporating fiber-on-tips contact technology
A compact slip ring (20), which is particularly adapted for use in small spaces, is adapted to provide electrical contact between a rotor (22) and a stator (21). The improved slip ring broadly...
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7362029 |
Fuel pump comprising an electric motor
The invention relates to a fuel pump which comprises an electric motor. Said electric motor is provided with carbon brushes (11) that cover a plurality of lamellae (17) of a collector (9). Grooves...
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7358641 |
Brush device for rotary electric machine
A brush device assembled in a vehicular alternator is composed mainly of a pair of brushes, a pair of springs, and a brush holder. The brush holder accommodates the brushes and the springs. The...
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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...
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7242127 |
Brush device and motor with brush
A brush device having the longitudinal direction of a coil shaped coil spring aligned with the face of a brush holder, in which one end of a support post at the surface of a brush base is formed as...
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7154203 |
Motor and brush device
A motor and a brush device are provided which allow an easy assembly of brush holders. The brush holders have fixing portions and brush accommodating portions integrally formed therewith. The...
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7145279 |
Mount part for commutator brushes of an electric motor
The invention relates to a support element on which the commutator brushes are each disposed on one curved spiral spring each. Said spring, on its side facing away from the commutator brush in the...
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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...
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7105977 |
Metal-graphite brush and motor including metal-graphite brush
A metal-graphite brush for supplying electricity to a coil wound around a core provided at a rotor of a motor is made of sintered material having porosities at a surface and inside thereof, and the...
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7067951 |
Copper-graphite brush
A copper-zinc alloy powder of which zinc content is from 10 to 50 wt % and of which mean particle diameter is from 15 μm or under is added to a Pb-less brush body comprising graphite, copper and a ...
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7014432 |
Fuel pumping unit, with a plurality of commutator brush assemblies with engaging members for restricting brush movement toward the pump motor section
A fuel pump includes a housing, a pump section, a motor section including a commutator, a cover disposed at one end of the housing, a pair of brushes disposed in a pair of brush holes formed in the...
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7006761 |
Control device for DC motors
In order to design as inexpensively as possible a control device for DC motors which are provided with a commutator for feeding their motor windings which has at least four sliding contacts, this...
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6989617 |
Command component assembly for alternator to automatic vehicle
A brush holder for a vehicle electrical machine having an insulating support, an electrical circuit including a semiconductor control component; and at least one metallic heat dissipation member in...
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6975059 |
Electric motor
An object of the invention is to improve a layout property of members arranged on the brush holder. Power feeding terminals are formed in a flat shape extending in an axial direction of an armature...
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6952067 |
Rotary electric machine and a method of producing the same
A surface of a commutator 5 is rubbed by a shakedown brush 21 other than ordinary brushes 11 to produce a carbon coat, whereby a shakedown process can be reduced or abolished.
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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...
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6921994 |
Motor having rotatable shaft coupled with worm shaft
A driving-side rotator of a clutch has a connecting hole, within which a connecting portion of a rotatable shaft is loosely fitted while providing a space between the connecting hole and the...
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