Entries |
Document | Title | Date |
20080284272 | Electric motor - In a terminal of an electric motor, a branch projects from a terminal connection on a side opposite from an extension. A projecting end side of the branch extends in an installation direction of the terminal, which is a direction for installing the terminal to a housing. The terminal is tiltable about a portion of the extension, which serves as a fulcrum, to cause abutment of the branch against a wall surface of the housing when the terminal connection receives a force in a direction opposite from the installation direction. | 11-20-2008 |
20080296995 | 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 member is inserted into the first section of the insulated housing and has a first end face, a second end face opposite to the first end face, and an insertion portion adjoined with the second end face. The insertion portion of the carbon brush-holding member extends into the second section of the insulated housing, thereby enabling the second end face of the carbon brush-holding member to be located in the second section of the insulated housing. Thus, the second end face of the carbon brush-holding member can firmly contact a conductive member that is disposed inside the second section of the insulated housing and electrically connected with a carbon brush inserted into the carbon brush-holding member. | 12-04-2008 |
20080303372 | 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 assembly including a first portion in sliding engagement with a second portion. In some embodiments the brush holder includes a channel, such that at least a portion of the mounting block is disposed within the channel of the brush holder. | 12-11-2008 |
20080315711 | Brush Holder Component with Ground Contact Plate - Electric motor, as well as a brush mount component ( | 12-25-2008 |
20090001842 | 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 assembly including a first portion in sliding engagement with a second portion. In some embodiments the brush holder includes a channel, such that at least a portion of the mounting block is disposed within the channel of the brush holder. | 01-01-2009 |
20090066185 | Commutator motor utilizing existing part to restrict radially outward movement of brush holders - In a commutator motor, a brush holding device includes a plurality of brush holders and a substantially annular holder plate. Each of the brush holders includes a holder frame, which receives a pair of brush and spring, and a bottom plate having two opposite side portions. The holder plate is disposed around a commutator and has a major surface on which a plurality of pairs of guide walls are formed; each pair of the guide walls defines a pair of grooves. The side portions of the bottom plate of each of the brush holders are respectively fit in a corresponding pair of the grooves defined by the guide walls. Each of the brush holders has a radially outer end that abuts an inner surface of a side wall of an end frame, whereby radially outward movement of each of the brush holders is restricted by the end frame. | 03-12-2009 |
20090096315 | Brush Board for High Current Electric Motor - A brush board assembly for a DC or AC motor employs a spool-shaped frame unitarily formed of a mounting plate, a series of support members that extend axially and define the brush holders, and an outer support plate that is generally parallel to the mounting plate. This frame may be molded of a high strength, high temperature resin for heavy duty motor use. Brush hold down springs are mounted onto push-in carriers that fit into receptacles on the support members. Preferably, scroll or volute springs are employed, and a stop arm on the carrier allows the free end of the spring to be held out of the way for installation or brush change out. | 04-16-2009 |
20090121578 | BRUSH SYSTEM FOR AN ELECTRIC ACTUATOR - An assembly of a brush system ( | 05-14-2009 |
20090167105 | ELECTRICAL DRIVE UNIT - The present invention relates to an electrical drive unit with an electric motor and a transmission, wherein the motor has a rotor shaft ( | 07-02-2009 |
20090206694 | BRUSH HOLDER - A brush holder includes terminals and a holder body, wherein each terminal includes a pair of connecting terminals provided to sandwich a cut-off portion in which the conducting path is cut to mount an electrical component for connecting the component in series with the conducting path, and a shorting path forming portion connecting the connecting terminal provided at the direct current source side with the brush to short the cut-off portion, | 08-20-2009 |
20090206695 | Brush Assembly Having a Brush Wear Detector and Indicator for a D.C. Motor - A brush assembly having a brush wear indicator for use with electric actuating devices such as motors and generators that detects the worn condition of a brush and generates a signal indicating this worn condition. | 08-20-2009 |
20090243425 | BRUSH HOLDER AND METHOD FOR MANUFACTURING BRUSH HOLDER - A brush holder having brush holding portions and coil holding portions is disclosed. Each brush holding portion holds a brush such that the brush is slidable on a commutator attached to a rotary shaft. Each coil holding portion holds a choke coil electrically connected to one of the coils. The brush holder includes a holder base member and brush holding members that are assembled to the holder base member so as to form the brush holding portions. Each brush holding member includes a coil supporting portion, which forms the coil holding portion between the corresponding brush holding member and the holder base member. | 10-01-2009 |
20090284097 | 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 parallel with a surface of the brush coming into contact with a commutator. The brush holder includes a brush holding member, a brush spring for pressing the brush against the commutator for sliding contact, a base for holding the brush holding member and electrically connecting the same to an earth circuit, and a connection lug on the base. The brush holding member is formed with a notch on a wider side from an upper end thereof for allowing a downward movement of the pigtail when the brush wears and hence is pressed downward. A distal end of the pigtail is connected to the connection lug. | 11-19-2009 |
20090302706 | VEHICULAR ROTARY ELECTRIC MACHINE - A vehicular rotary electric machine has a stator and a rotor supported by a bracket; a field winding which is provided on the rotor and is for generating a magnetomotive force; a field circuit section which is for supplying a current to the field winding; and a brush holder having a brush, the field circuit section and the brush holder being separately mounted to the bracket. In the vehicular rotary electric machine, connecting means between the field circuit section and the brush holder is configured by an intermediate wiring member having a stress buffering mechanism. | 12-10-2009 |
20100033053 | BRUSH DEVICE FOR MOTOR - Each of the paired brush devices includes a brush in sliding contact with a commutator, a brush arm holding the brush, and a brush base to which the brush arm is fixed and which has a base hole. The pair of brush devices are disposed such that a line connecting the centers of the pair of brushes inclines in relation to a line connecting the centers of a pair of magnets. Each of the brush arms of the brush devices is disposed on the outside of the corresponding brush base at a location where the brush arm is fixed to the brush base, and one of the brush arms is bent from the outside of the corresponding brush base toward the inside thereof while being passed through the base hole to intersect the brush base. | 02-11-2010 |
20100045135 | ELECTRIC MOTOR - A multi-pole PMDC motor has brush gear for transferring electrical power from motor terminations to its windings via a commutator. The brush gear comprises a brush card supporting at least four brush assemblies. The brush assemblies are separated into two brush groups with the brush assemblies of each group being electrically connected together by links of flexible wire. | 02-25-2010 |
20100045136 | BRUSH GEAR OF A MOTOR - Brush gear of a motor has a brush card with a plurality of brushes installed at one side thereof. Each brush is electrically connected with a connector. Two motor terminations provide power to the brushes via the corresponding connectors and at least one wire connects two of the connectors. Each of said two of the connectors has a hole to receive one end of the wire and at least two fingers extends from an edge of the hole inclined toward the axis of the hole, such that when the end of the wire extends through the hole, the fingers are resiliently deformed and grip the wire to prevent withdrawal of the wire from the hole. | 02-25-2010 |
20100066200 | CARBON BRUSH HOLDER - A carbon brush holder includes an insulating housing, a conductive base fixed to the insulating housing, and an electrical connector connected to the conductive base by a rivet. The conductive base is provided with a slot under a roll portion of the rivet to protect the roll portion from deformation. | 03-18-2010 |
20110169371 | MOTOR AND BRUSH CONFIGURATION METHOD - A detailed listing of all claims that are, or were, in the present application, irrespective of whether the claim(s) remain(s) under examination in the application is presented below. The claims are presented in ascending order and each includes one status identifier. Those claims not cancelled or withdrawn but amended by the current amendment utilize the following notations for amendment: 1. deleted matter is shown by strikethrough for six or more characters and double brackets for five or fewer characters; and 2. added matter is shown by underlining. | 07-14-2011 |
20120062067 | SHEET PLATE FOR DC MOTOR - Disclosed is a sheet plate for a DC motor, in which a brush holder manufactured as a separate member is coupled to the sheet plate of the DC motor, thus effectively guiding movement of a brush and a pigtail, and affording good space utilization, the sheet plate including a brush holder taking a shape of a rectangular pillar to hold the brush and coupled to a first surface of the sheet plate, wherein the brush holder includes an opening formed in an upper surface of the brush holder in a longitudinal direction thereof to allow a pigtail to be taken out through the opening, and a cover portion provided above the opening to be spaced apart therefrom and formed as a plate that is long in a diametric direction, so that the pigtail is bent in a circumferential direction by the cover portion when being taken out. | 03-15-2012 |
20120146449 | Electric Motor Arrangement - An electric motor arrangement, comprising a brush holder housing which has a plurality of brush elements which are coupled with a respective spring element, the spring element being configured to press the respectively associated brush element against a commutator of the electric motor arrangement, and the spring element having a first portion with a barbed hook for hooking or catching into a recess in the brush holder housing. | 06-14-2012 |
20130106236 | CURRENT CONTROL BRUSH ASSEMBLY | 05-02-2013 |
20130241342 | POWER TRANSMISSION DEVICE FOR ELECTRIC VEHICLE AND PRODUCTION METHOD THEREFOR - A power transmission device for an electrically driven vehicle basically includes a power transmission mechanism, a sliding contact brush, a brush case cover, and a brush protective jig. The power transmission mechanism includes a case element, an axle element and a power transmission element. The sliding contact brush is mounted on an axle end of the axle element. The brush case cover is selectively mounted to the case element to enclose the axle end of the axle element in the case element. The brush protective jig is mounted to cover the brush contact when mounting the sliding contact brush to the axle end. The brush protective jig is dimensioned to contact the brush case cover and to prevent the brush case cover from being mounted to the case element while the brush protective jig is in an attached state that covers the brush contact. | 09-19-2013 |
20130278107 | ELECTRIC MOTOR AND REDUCTION MOTOR - Disclosed is a windshield wiper motor having a reduction mechanism unit and an electric motor. The electric motor of the windshield wiper motor includes a yoke formed in a bottomed cylindrical shape; permanent magnets arranged on an inner peripheral surface of the yoke; an armature including a rotary shaft journalled to the yoke, an armature core where a plurality of teeth are formed and fixed onto the rotary shaft, an armature coil wound around teeth of the armature core, a commutator having a plurality of segments and being fixed onto the rotary shaft, and a plurality of connecting wires connecting two segments arranged to face each other back to back around the rotary shaft, being surrounded by the permanent magnets and arranged within the yoke; and a first brush, a second brush, and a third brush coming into sliding contact with the segments of the commutator of the armature. | 10-24-2013 |
20140312731 | MOTOR - A motor includes a rotation shaft, a commutator, power supply brushes, and a brush holder. The brush holder includes an opposing portion that faces an end face of the commutator in an axial direction, a bearing holder, and a diffusion stopper. The diffusion stopper is arranged in a portion of the opposing portion located toward the outer side in the radial direction from the bearing holder and limits the diffusion of abrasion powder of the power supply brushes. The diffusion stopper is projected toward the commutator in the axial direction or recessed in the axial direction. | 10-23-2014 |
20140312732 | WINDSCREEN WIPER MOTOR - A windscreen wiper motor ( | 10-23-2014 |
20150042202 | BRUSH ASSEMBLY FOR AN ELECTRIC MOTOR - An electric motor is provided including a stator, an armature rotatably received within the stator and having an armature shaft on which a commutator is mounted, and a brush assembly. The brush assembly includes a planar portion disposed around the commutator and accommodating a plurality of brushes, a bridge portion disposed at an end of the commutator and extending from the planer portion via two or more legs, and metal routing(s) disposed on or within the bridge portion to electrically couple the brushes. | 02-12-2015 |
20150042203 | BRUSH ASSEMBLY FOR AN ELECTRIC MOTOR - An electric motor is provided including: a stator, an armature rotatably received within the stator and having an armature shaft on which a commutator is mounted, and a brush assembly. The brush assembly defines a first surface facing the stator and a second surface opposite the first surface. The brush assembly includes a brush card mount having openings, brushes in sliding contact with the commutator to supply electric current to the commutator, and thermally-conductive brush holders that house the brushes. Each of the brush holders includes a base portion disposed substantially along a same plane as a surface of the brush card mount to form the first surface of the brush assembly, and a main portion protruding from the base portion through a respective opening of the brush card mount to house a respective brush at least partially over the second surface of the brush assembly. | 02-12-2015 |
20150042204 | BRUSH ASSEMBLY FOR AN ELECTRIC MOTOR - An electric motor is provided including: a stator, an armature rotatably received within the stator and having an armature shaft on which a commutator is mounted, and a brush assembly. The brush assembly defines a first surface facing the stator and a second surface opposite the first surface. The brush assembly includes a brush card mount, brushes in sliding contact with the commutator to supply electric current to the commutator, and thermally-conductive brush holders disposed on the second surface of the brush assembly to house the brushes and secured to the brush card mount. Each brush holder includes projections formed along a length of an outer surface of the brush holder to increase a total surface area of the brush holder and transfer heat away from the brush holder. | 02-12-2015 |
20150084479 | BRUSH SYSTEM FOR AN ELECTRIC MOTOR - A brush system for an electric motor, having a substantially semiannular resistor housing into which an electric flat resistor is introduced, two resistor terminals which protrude from the resistor housing and can be coupled in an electrically conducting manner to a conductor path of the electric motor, and a substantially semi-circular support plate that includes two bus bars to electroconductively couple the conductor path to the terminals and to two brush elements. The two terminals are arranged on the same narrow side of the resistor housing. | 03-26-2015 |
20150326099 | Brush Assembly - An electric power steering assembly includes a motor which includes a brush assembly. The brush assembly includes a brush base, a plurality of brush units and a plurality of fixing units for fixing the brush units to the brush base. The brush unit includes a brush, a guide rail and a spring. The rail includes two guiding arms, a closed end interconnecting the guiding arms and wings extending from free ends of the guiding arms. Grooves in the brush receive the guiding arms. The fixing unit includes a first fixture and a second fixture. The closed end of the guide rail engages the first fixture. The second fixture includes two columns spaced from each other. Each column defines a slot in a top end. Protrusions extend from a side of each slot to lock the wings in the slots. | 11-12-2015 |
20220140557 | BRUSH HOLDER ASSEMBLY - An example brush holder assembly for positioning a conductive carbon brush in contact with a conductive surface of an electrical device is disclosed. In some aspects, the example brush holder assembly includes a brush holder including a backbone extending therefrom and a removable handle. Further, the removeable handle includes a frame releasably engaged with the backbone and a grip secured to the frame. In some aspects, the brush holder assembly includes a removable catch arm removably coupled to an upper beam and a lower beam of the brush holder assembly. Removal of the catch arm allows the upper beam to be disassembled from the lower beam. | 05-05-2022 |