Abstract: A brush holding plate includes cartridges and brushes, which are guided into the cartridges. The brushes are guided in a spring-loaded manner in the radial direction towards a central opening in the brush holding plate. The cartridges are arranged on the brush holding plate in such a way that they can be displaced from a radially outer pre-assembly position into a radially inner end assembly position.

Abstract: The invention concerns an arrangement for supplying power to an electric motor having a commutator, comprising at least two carbon brushes (12, 14), as well as flat springs (16, 18) that subject said brushes to force in the direction of the commutator and proceed from a mounting and are connected to electric terminals. In order to enable a defined transfer of force from the flat springs to the carbon brushes, while at the same time ensuring that an unambiguous fixing of the flat springs into position and a secure current supply takes place, it is proposed that the flat springs (16, 18) have a U-shape with legs (38, 40) of unequal length, that a carbon brush (12, 14) be fastened to each longer leg, and that the shorter leg be connected electrically conductive to an at least partially encapsulated conductor path or printed circuit, which is at least a section of the mounting.

Abstract: 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 cover to be in contact with the commutator; and a pair of brush springs, disposed in a pair of spring holes formed in the cover, and an engaging member for restricting the brushes to move toward the motor section.

Abstract: Detailed are brush assemblies for electric motors. The assemblies may include retention springs or other mechanisms designed to bias brushes away from surfaces of commutators during assembly of the motors. Such retention mechanisms additionally may be fitted into cavities in associated cover plates following motor assembly. The cover plates further may include tabs which, in use of the motor, assist in supporting side surfaces of the brushes and in orienting the plate relative to a corresponding brush card.

Abstract: 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 shaft, and the power feeding terminal is arranged side by side in a width direction with respect to the power feeding terminal in one end portion of a brush holder. A condenser is provided between the power feeding terminals and the armature shaft. Further, a power supply circuit for electrically connecting the power feeding terminals to a leaf spring brush is electrically connected to a motor housing via a grounding stay, and a choke coil for reducing a noise generated in the power supply circuit is arranged so as to be lapped over a screw member fixing the leaf spring brush to the brush holder in the axial direction of the armature shaft.

Abstract: A yoke is substantially cylindrical and has an opening portion. A brush holder member is secured to the opening portion of the yoke. The brush holder member retains a pair of supply brushes. A housing member is secured to the opening portion of the yoke on the outside of the brush holder member and covers the opening portion. A pair of securing pieces is formed integrally with the yoke. The securing pieces secure the brush holder member and the housing member to the yoke.

Abstract: The present invention relates to a wear indicator for a motor carbon brush which includes a housing, carbon brushes, an elastic element, a circuit board with an alarm indicator light and an electric probe disposed on the circuit board. The electric probe is connected to the alarm indicator light and the carbon brush has a contact portion on its outer surface which when the brush is worn and need to be changed is electrically connected to the alarm indicator light through the electrical probe to turn the alarm indicator light on. The present invention is simple to manufacture and gives a indication of wear.

Abstract: The present invention aims at making a motor with a brush in the direction of its motor shaft small by providing a thin brush device and at preventing deterioration of functions thereof. A guide portion is provided at a brush base portion and a recess portion is provided at the a brush holder. In the recess, an end portion of a winding portion of a coil-shape spring is held at the brush base portion, and the other end portion is held at the brush holder. Further, the longitudinal direction of the coil-shape spring is set so as to conform to the direction of face of the brush holder, and thereby the coil-shape spring and the brush are disposed on a substantially identical plane, having a state where the winding portion is placed along the guide and recess portion.

Abstract: A brush box assembly for use in an electric motor and an electric motor having a brush biasing mechanism that also retains the brushes to allow installation of a sliding electrical contact assembly is described. The brush box assembly has a plurality of brush holders each with a brush retention slot, a plurality of brushes each adapted to fit in the brush retention slots, the brushes having a contact face and a non-contact face, and a plurality of torsion springs each having a spring loading arm and a spring retention arm, each spring loading arm contacting one brush on the non-contact face and adapted to bias the brush against a sliding electrical contact after installation of the sliding electrical contact assembly, each spring retention arm adapted to contact one brush on the front side and retain the brush in the brush retention slot during installation of the sliding electrical contact assembly. A method of manufacture of a device having brushes with the biasing and retention mechanism is also disclosed.

Abstract: 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 connection portion. The connecting hole of the driving-side rotator is engageable with the connecting portion of the rotatable shaft in a rotational direction to integrally rotate with connecting portion of the rotatable shaft. Two positioning holes are provided in a brush holder, and two positioning projections are provided in a gear housing to allow direct positioning of the brush holder and the gear housing relative to each other.

Abstract: A end cap and brush box assembly for a mechanically commutated electric motor including an end cap constructed from high temperature material which also has resilient mechanical properties. The end cap and brush box assembly includes a two piece brush box having a first lock tab and a second lock tab for securing the two piece brush box to the end cap. The two piece brush box has a brush hood secured to a base plate. The base plate has a shunt welding plate for welding to an electrical shunt of a brush and a connector for connecting to an electrical lead coupled to a power source.

Abstract: A motor has a motor housing, a brush mechanism having a substrate, and a pair of electricity supply lines extending from the substrate. A first support portion, a second support portion and a third support portion are located about the central axis of the substrate. The substrate is supported by the housing with vibration absorbing members, each of which provided at one of the first to third support portions. The first support portion is located between the electricity supply lines. The second and third support portions are symmetrically located on both sides of a straight line that extends through the first support portion and the axis of the substrate. Therefore, the brush mechanism is prevented from being inclined, and vibration of the brush mechanism is effectively absorbed.

Abstract: A brush device has a brush that slides against an outer circumferential surface of a cylindrical rotor. The brush device includes a base member, a terminal retained by the base member, an electric wire, which connects the brush to the terminal, and a cylindrical brush holder. The brush holder is located on the base member. The brush holder has a holder axis, which extends along the radial direction of the rotor. The brush is accommodated in and retained by the brush holder and is movable along the holder axis. The brush holder has an opening portion, which is formed at the outer portion of the brush holder with respect to the radial direction of the rotor. The opening portion permits the brush to pass along a direction perpendicular to the holder axis.

Abstract: A motor vehicle has road wheels driven by a direct current motor that has a brush installed therein. A system for detecting abrasion of the brush comprises a clutch arranged between the road wheel and the direct current motor. The clutch is of a wet type so that in ON condition thereof, drive and driven members thereof are engaged with each other causing transmission of a torque of the motor to the road wheel and in OFF condition thereof, the drive and driven members thereof are disengaged from each other permitting a certain but small transmission of a torque of the road wheels toward the motor due to a viscosity possessed by oil in the clutch. A rotation speed sensor is provided that detects a rotation speed of the motor. A control unit is provided that issues a brush abrasion representing signal based on the rotation speed of the motor detected under OFF condition of the clutch.

Abstract: A motor with brush includes a rotor having a rotary shaft and a commutator retained at the rotary shaft, two brush sections each having a plane surface in an axial direction of the rotor and in sliding contact with the commutator, and two brush terminals that are integral with the brush sections, respectively. Each of the brush terminals includes a brush connecting section formed in the axial direction of the rotary shaft and having a plane surface that connects to the plane surface of each of the corresponding brush sections, and a bent section that is bent in a direction generally orthogonal to the axial direction of the rotary shaft. The bent section restricts and fixedly positions the brush terminal and the brush section, and the brush terminals connect to external connection members that are provided outside the motor and inside an outer circumference of the motor.

Abstract: The present invention aims at making a motor with a brush in the direction of its motor shaft small by providing a thin brush device and at preventing deterioration of functions thereof. A guide portion is provided at a brush base portion and a recess portion is provided at the a brush holder. In the recess, an end portion of a winding portion of a coil-shape spring is held at the brush base portion, and the other end portion is held at the brush holder. Further, the longitudinal direction of the coil-shape spring is set so as to conform to the direction of face of the brush holder, and thereby the coil-shape spring and the brush are disposed on a substantially identical plane, having a state where the winding portion is placed along the guide and recess portion.

Abstract: The brush holder device includes a holder base, metal brush holders and metal terminal plate elements. Each brush holder slidably receives a corresponding brush. Each brush holder includes securing claws, which are secured to the holder base by staking. Each securing claw includes a retorted portion, which is retorted toward a rear surface of the holder base beyond a top of a corresponding staking projection that projects from the rear surface of the holder base. Each metal terminal plate element also includes securing claws, each of which is similar to that of the brush holder.

Abstract: The brush holder device includes a holder base, metal brush holders and metal terminal plate elements. Each brush holder slidably receives a corresponding brush. Each brush holder includes securing claws, which are secured to the holder base by staking. Each securing claw includes a retorted portion, which is retorted toward a rear surface of the holder base beyond a top of a corresponding staking projection that projects from the rear surface of the holder base. Each metal terminal plate element also includes securing claws, each of which is similar to that of the brush holder.

Abstract: 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 between the baseplate and an inner wall of the brush box, and a spring applying a force to the baseplate in a predetermined direction.

Abstract: A rotating electric machine, including: a bowl-like housing having a through hole penetrated by a shaft and having a cutout portion in a part of an opening portion; a commutator fixed to the shaft; a base fixed to the housing by a clamp screw and having a tapped hole through which the clamp screw is inserted with a play; a brush disposed in the base and rubbing against the commutator; a plate having a joint portion to which a lead wire led outside is welded and fixed to the base; a grommet penetrated by the lead wire and engaged in the cutout portion of the housing; and a positioning unit which positions the lead wire to be welded in the joint portion.

Abstract: The present invention is an improved brush card consisting of a non conductive card having a commutator aperture, and a pair of tongue and groove connectors. Each tongue and groove connector consists of at least one pair of parallel channels formed on the card adjacent the aperture and extending along the card perpendicular to the commutator aperture, the card forming a pair of parallel opposing channel edges adjacent the parallel channels. A portion of the card forms an elongated tongue separating the pair of channels, the tongue having a distal end extending towards the commutator aperture and a proximal end opposite the distal end. The brush card also includes at least one conductive brush slidingly mounted to each tongue, the brush having opposite first and second sides, the brush having a central groove dimensioned to receive the tongue. Each brush also has a first groove extending along the first side of the brush, the first groove dimensioned to receive one of the channel edges.

Abstract: An electrically conductive brush box is located against the upper surface of a base and has crimping tabs located against an oppositely disposed crimping surface. The base is formed of high temperature resistant plastic. A field case housing has a seat with a retention member adapted to retain the base against the seat. A screw is threaded into the field case housing such that the head presses against a surface of the base member to retain the base member in the seat. The screw member is located in non-contacting relationship with the electrically conductive brush box. A spacer member is adapted to space the portion of the crimping tab against the crimping surface away from the field case housing. The brush box includes a biasing member holder and the crimping tabs are located adjacent the holder.

Abstract: A multi-brush cage assembly for a subfractional horsepower electric motor has two brushes 22, 23 received in separate chambers 24, 25 of the cage and urged by springs 26, 27 towards a commutator 15 of the motor. An L-shaped changeover lever 30 is located on a pivot 33 between the chambers and keeps one brush 23 retracted until the other brush 22 has worn out.

Abstract: A small-size motor has a case cover 11 formed with three voids, and electric elements such as chip capacitors are contained in the three voids. A first electric element is mechanically fixed between a pair of brush units in a first void and is electrically connected. The remaining two second and third electric elements are located on both sides of the first electric element and are pressed on a brush base in a motor shaft direction by a body earth terminal 14 in second and third voids, so that the body earth terminal 14 is fixed to the case cover 11 and the two electric elements are mechanically fixed and electrically connected. A sufficient space is secured in the motor case cover made of synthetic resin, so that three electric elements such as chip capacitors can be incorporated together with their wiring and support arrangement.

Abstract: Disclosed is a brush assembly of an alternator for a vehicle including a brush holder including a hollow brush holder body, and wired brushes each received in the brush holder, and adapted to be urged against a slip ring fitted around a rotor shaft by a spring along an axis of the slip ring, thereby coming into elastic contact with the slip ring to obtain an electrical connection to an external electrical device, each of the wired brushes consisting of a brush, and a lead wire electrically connected to the brush. The brush holder body of the brush holder has brush channels each adapted to receive the brush of an associated one of the wired brushes, and wire channels each arranged at one side of an associated one of the brush channels while extending longitudinally in parallel to the associated brush channel and communicating with the associated brush channel.

Abstract: A brush assembly for an electric motor has a base which secures the brush assembly to a motor spider. A brush housing is associated with the base and has first and second open ends. A brush defining an axis is movably positioned in the housing between the first and second open ends. The brush extends from one of the open ends of the housing. The brush includes a surface which is at a desired angle with respect to the brush axis. A biasing member exerts a force on the brush to bias the brush into an electrical connection with a commutator. An electrical connector electrically couples the brush to provide an electrical connection between the commutator and a power supply.

Abstract: In a cotton candy making apparatus with a removable tray, a main power supply switch and an auxiliary switch are provided. The main power supply switch is locked by being rotated in a predetermined direction while being depressed. Contacts of the auxiliary switch are closed when the tray is properly attached to a main body of the apparatus. Carbon or alloy brushes are used for brush devices for supplying electric current to a heater for a rotary pot, and the brushes are each biased in a slip ring direction with a spring in a brush holder. A cover for the rotary pot is provided which is constructed so as to be assembled to and disassembled from the rotary pot by rotating the same cover. A translucent tray and light emitting portions are provided on the main body of the apparatus for illuminating cotton candies within the tray.

Abstract: A brush replacement kit for use with a dynamo electric machine of the kind having a yoke, apertures in the yoke through which brushes of the machine are accessible, and a brush holder assembly for supporting the brushes in a predetermined alignment in relation to a commutator or slip-ring assembly of the machine, the kit comprising replacement brushes of a length exceeding the length of the conventional brushes for the machine, and a cover component comprising a cylindrical band for attachment around the exterior of the yoke to close said brush access apertures in use, said band including radially outwardly extending protrusions to be positioned over said apertures of the yoke in use and thereby to accommodate the additional length of the replacement brushes.

Abstract: A brush holder 10 is provided for holding a hammer brush 12 of an electric motor. The brush holder includes a single piece of wire bent to define a brush-engaging portion 14 define an opening 15, and a torsion spring structure 16 connected to and spaced from the brush-engaging portion. The brush-engaging portion is constructed and arranged to prevent rotation of the hammer brush when coupled therewith.

Abstract: Brush holding device includes a brush, a brush holder, a torsion spring and a support pin. The torsion spring applies side pressure to the brush by spring force exerted around the support pin and also temporarily hold the brush in the brush holder. When the temporarily held state of the brush holder is relieved, the spring force of the torsion spring urges the brush toward a commutator.

Abstract: 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 brushes (3) disposed in brush supports (4) fixed to a printed circuit card (5); the motor is provided with means for enabling brush supports to be fixed to the printed circuit card solely by surface mounting. These means may comprise, for each brush (3), a metal casing (6) containing the brush and having one wall (6) with at least one transverse tab (11) adapted to pass through the printed circuit card in order to position and hold the casing on the card and in order to provide an electrical connection. The invention enables brush-support devices to be fixed to the printed circuit card solely by surface mounting, thus making it pointless to perform an additional flow soldering operation as is required in the prior art.

Abstract: A brush holding apparatus for at least one carbon brush includes a support plate with at least one brush guide, a spring element constructed and arranged for urging a carbon brush having a longitudinal axis mounted in the brush guide in a direction towards a commutator or slip ring, and a retaining element constructed and arranged for retracting the carbon brush against a force exerted by the spring element or for releasing the brush. The retaining element is slidably supported by the base plate in a direction perpendicular to the longitudinal axis of a carbon brush mounted in the brush guide.

Abstract: A brush assembly is constructed such that a brush and a brush terminal are linked by means of a pigtail, a brush spring is disposed under compression between the brush and the brush terminal, and a cylindrical guide is disposed near the brush terminal inside the brush spring.

Abstract: An apparatus for estimating DC motor brush wear comprising: a wear element calculator adapted to calculate a plurality of wear elements from at least one environmental variable; a wear element multiplier adapted to multiply the wear elements by respective ones of a plurality of wear coefficients to yield a plurality of weighted wear elements; and a summer adapted to sum the weighted wear elements to yield a brush wear estimate.

Abstract: A serpentine-shaped spring device having an internal core made of braided wires coated with elastomeric material for environmental protection and to enhance exertion of a low holding spring pressure on a metal fiber brush, when the spring device is suitably anchored at a stationary location to hold the brush in contact with a rotor during rotation thereof while conductively transferring electrical current thereto from the core of the spring device.

Abstract: A choke 10, for suppressing radio-frequency interference of a brush-type motor, includes a single wire having a portion 15 wound about a coil axis A to define a plurality of coils 14 including two outermost coils 16 and 18. An attaching structure 20 extends from each outermost coil and is disposed generally transverse with respect to the coil axis. Each attaching structure is constructed and arranged to be inserted through an associated opening in a supporting structure and to be bent so as secure the choke to the supporting structure. An elongated end portion 22 extends from each attaching structure so as to be spaced from and generally parallel to the coil axis. The elongated end portions extend in opposite directions. One of the elongated end portions is constructed and arranged to be directly electrically connected to an electrical connector of a motor and the other of the elongated end portions is constructed and arranged to be in electrical connection with a brush of the motor.

Abstract: The invention relates to a motor-driven pump unit, in particular for antilock systems of motor vehicles, with an electric motor that is arranged on one side of a pump unit and an electronic unit that is arranged on another side of the pump unit and fastened thereto. The main aspect of the invention is that means are provided for an axially movable attachment and contacting of carbon brushes in connection with an axial installation of the unit. In this way, the individual components of the unit can be assembled axially in a simple manner and at low cost. In addition, the unit requires very little space.

Abstract: A choke 10, for suppressing radio-frequency interference of a brush-type motor, includes a single wire having a portion 15 wound about a coil axis A to define a plurality of coils 14 including two outermost coils 16 and 18. An attaching structure 20 extends from each outermost coil and is disposed generally transverse with respect to the coil axis. Each attaching structure is constructed and arranged to be inserted through an associated opening in a supporting structure and to be bent so as secure the choke to the supporting structure. An elongated end portion 22 extends from each attaching structure so as to be spaced from and generally parallel to the coil axis. The elongated end portions extend in opposite directions. One of the elongated end portions is constructed and arranged to be directly electrically connected to an electrical connector of a motor and the other of the elongated end portions is constructed and arranged to be in electrical connection with a brush of the motor.

Abstract: A tangentally symmetric DC motor carbon brush system comprising a spring part being provided with first and second sections fixated to a carbon brush part, a spring part for use in such system, and a DC motor provided with such system

Abstract: 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. Brushes are housed inside brush insertion apertures of the brush holder portion and are placed in elastic contact with slip rings by springs. An abrasion detection terminal is insert molded into the brush holder portion, a contact thereof projecting inside one of the brush insertion apertures and coming into contact with the corresponding spring when the brushes are abraded by a predetermined amount.

Abstract: 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 resistivity and a minus-side brush made of material having a low resistivity. A capacitor is inserted in and connected parallel to the direct current power source. The commutator motor makes use of specials tubes having different shapes to avoid an incorrect insertion of one of the specials tubes into the insertion hole designed to receive the other of the specials tubes.

Abstract: A power tool has a motor housing that comprises housing halves arranged in the circumferential direction of a motor. A brush holder is disposed within the motor housing and serves to support brushes. The brush holder comprises holder halves that are arranged in the circumferential direction of the motor. In order to assemble the brush holder into the housing, one of the holder halves is set onto one of the housing halves. Thereafter, the rotor and the stator are set onto the one of the housing halves. Then, the other holder half is set onto the one of the holder halves and is joined thereto so as to form the brush holder. Finally, the other housing half is set onto the one of the housing halves and are joined thereto so as to form the motor housing.

Abstract: A vehicle blower motor includes a housing having a first bushing mounted at a first end about a shaft extending through the housing. A one-piece brush card bushing holder is mounted in the second end of the housing and carries a plurality of brushes engagable with a commutator mounted on the shaft. A second bushing is mounted in the brush card holder and disposed in engagement with the shaft. A portion of the brush card holder is formed as an end plate covering the second end of the housing.

Abstract: An electric motor-and-gear assembly for driving vehicle aggregates such as windshield and rear window wipers, power-window units and the like, having a transmission housing that can be closed by a housing cover. A motor housing that contains a commutator motor whose commutator protrudes into the transmission housing and cooperates with a brush holder fixed in the transmission housing. For the sake of a more reasonably priced manufacture and a time-saving, more rapid assembly of the brush holder, the commutator brushes are embodied as hammer brushes with spring leaf actuators prestressed toward the commutator. The spring leaf actuator are respectively fixed with their one actuator end in a U-shaped plastic carrying part of the brush holder, which is inserted into the transmission housing radial to the commutator, through the housing opening and is positioned in the transmission housing in a positively engaging manner by means of the housing cover.

Abstract: An axial direction sliding-contact type brush apparatus is provided which can not only maintain performance of suppressing vibration of a brush of a flat vibrator motor but also allow the brush to form a stable electrical contact with a commutator. The base portion of the brush is installed at the exposed portion of the pattern of the brush base above the bracket at an elevation angle of 45° or less with respect to the brush base. The ultraviolet-cured acryl-based resin is coated on the base portion of the brush to cover a position located at about ⅓ of the side projection length L of the brush arm portion from the base portion of the brush.

Abstract: An improved carbon brush assembly for an electric tool, particularly an electric tool that utilizes electromagnetic force to drive a tool shaft. The carbon brush assembly includes a carbon brush, a carbon brush seat, a constant force spring and a cover. The carbon brush seat has the constant force spring fitted therein. The carbon brush always abuts against a plate portion of the constant force spring in the carbon brush seat. An electric tool housing is formed with a through hole corresponding to the carbon brush seat for passage of the carbon brush. A sunken space is formed around the through hole for embedding the carbon brush seat. The outer edge wall of the sunken space may just insertably grip the edge of the cover such that the cover forms a part of the housing after assembly to shield the carbon brush seat embedded in the housing. By virtue of the constant force spring, the carbon brush can be subjected to a more uniform biasing action to thereby prolong the service life of the carbon brush.

Abstract: An external connection structure for an electric motor in which basic members are able to be commonly used in an electric fan motor for which either a lead wire or a direct coupler are prepared as an external connection member. Tip end portions of first and third conductor plates and the tip ends of the second and fourth conductor plates are caused to extend between respective brushes which are adjacent to each other in the circumferential direction of the holder stay, and the tip end portions can be made visible through through-holes provided at the body portion of the end cover.

Abstract: The invention relates to a rotating electrical machine with a contacting device whose circumference has at least one slide contact disposed on it, which remains in sliding contact with a brush apparatus (slide system), in which the at least one slide contact is comprised of a wear resistant material.

Abstract: Hammer brush holders (2) are plugged or snapped together as pivoting bearings with cupped bearing receptacles (2.2;2.3) arranged radially on knife-edge bearings (1.2;1.3) of a motor stator part, in particular a bearing bow (1). To prevent tilting due to forces acting perpendicularly to the hammer brush holder's pivotal motion, in particular those arising during assembly and transport, a securing pin (2.1) of the hammer brush holder (2) extends or locks into a securing notch (1.1) of the motor stator part.

Abstract: A motor is incorporated in a cylindrical body which is a rotary brush. Rotation of a rotor of the motor, directly or via a speed reduction mechanism, drives the rotary brush. Cooling air runs through the cylindrical body so that the motor is cooled and protected. The rotary brush and an electric apparatus using the rotary brush can be downsized and easily.