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| Number | Title | Issue Date |
| 8421300 | Electric motor A brush holder is placed between a yoke housing and a gear housing and includes a holder member and a base member. The holder member is installed to an opening of the yoke housing and holds a plurality of brushes. The base member is installed to the holder member an... | 04/16/2013 |
| 8378549 | Electric motor Each of a plurality of brushes is tilted relative to an imaginary plane that is perpendicular to a rotational axis of an armature and is placed on one axial side of a brush holder, at which an interior of a yoke housing is located. A radial inner end part of each br... | 02/19/2013 |
| 8373327 | Attachment structure for motor assembly In attachment structure for motor assembly, accommodating portion with a bottom is formed in housing such that the motor assembly including commutator motor and brush holder unit is accommodated therein with the brush holder unit facing downward. Receiving portion f... | 02/12/2013 |
| 8368280 | Case lid assembly of DC motor with brush A case lid assembly is formed by integrally fitting a brush holder formed of resin and a terminal holder formed of resin to opposite sides of a metal plate which supports a bearing. The brush holder supports a pair of brush bases. The terminal holder supports a PTC ... | 02/05/2013 |
| 8344583 | Slip ring cover for automotive alternator Provided is an automotive alternator having structure for preventing entry and discharging of foreign matters irrespective of a posture of a brush unit, to thereby allow normalization of the brush unit. The brush unit of the automotive alternator includes a slip rin... | 01/01/2013 |
| 8314530 | Carbon brush holder with improved air vents A carbon brush holder with improved air vents includes a body, a housing, and an exhaust lid, which are provided with corresponding fixing structures for their convenient assembly or disassembly. The exhaust lid is formed with a diverging air channel. By the exquisi... | 11/20/2012 |
| 8304954 | 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 po... | 11/06/2012 |
| 8294328 | 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 connec... | 10/23/2012 |
| 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 vehicle, and electric components such as a brush holder. The brush holder... | 01/03/2012 |
| 8072116 | Brush holder A brush holder (10) for a motor and having a plate-shaped base body (11) having an opening (13) for passing the motor rotor (30) therethrough, at least one brush receptacle (14) in which a carbon brush (15) is displaceably r... | 12/06/2011 |
| 8063532 | Motor of spring charging device in air circuit breaker Disclosed is a motor of spring charging device in air circuit breaker wherein first and second frames are formed with glass fiber-added plastic material to facilitate the tight-fitting of a bearing and a manufacturing cost of driving motor is reduced by removing a b... | 11/22/2011 |
| 8049391 | 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 grou... | 11/01/2011 |
| 8022590 | Electric machine An electric machine comprises: a casing (2); a stator (3) and a rotor (4) supported by the casing (2), the rotor (4) having at least one rotor winding (7); a commutator (9) connected permanently to the rotor (4... | 09/20/2011 |
| 7994682 | 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 ... | 08/09/2011 |
| 7994683 | Brush holder assembly with spring clip A brush holder assembly of an electrical device is disclosed. The brush holder assembly includes a brush holder, a spring clip removable from the brush holder, a spring detachably coupled to the spring clip, and a spring retainer for retaining the spring on the spri... | 08/09/2011 |
| 7982357 | Brush holder assembly for a dynamo-electric machine A brush holder assembly for a dynamo-electric machine includes a brush fixture snap-fittingly secured to a shielding fixture. A brush member is moveably mounted within the brush fixture and includes a recessed region, and a shunt member. The shunt member includes a ... | 07/19/2011 |
| 7973448 | 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 connec... | 07/05/2011 |
| 7973447 | Electric motor An electric motor 10 has a stator 14; a wound rotor 20, including a commutator 28; and brush gear for connecting the commutator to a source of electrical power. The brush gear has at least two cage brush assemblies 34. Each cage br... | 07/05/2011 |
| 7969059 | 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. ... | 06/28/2011 |
| 7960891 | Power tool with integrated auxiliary tool for replacing brushes A power tool has an electric motor that includes a commutator, with which at least one commutator brush is acted upon with spring force via at least one commutator spring in the direction of a non-rotatable collector of the commutator. At least one auxiliary tool fo... | 06/14/2011 |
| 7960892 | Resilient member for a brush holder assembly Disclosed is a resilient member for use in a brush holder assembly. The resilient member may be positioned between at least a portion of a brush and at least a portion of a brush holder. For example, the resilient member may separate or isolate one or more sides of ... | 06/14/2011 |
| 7928628 | Electric motor having terminal connectable with external connector 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 hou... | 04/19/2011 |
| 7898141 | Electric drive An electric drive, in particular a wiper drive for vehicles, is proposed, with an electric driving motor in a motor housing (50), a brush holder (10) projecting into the motor housing (50), an anti-interference module (18) which is connec... | 03/01/2011 |
| 7880362 | Brush holder assembly with spring clip A brush holder assembly of an electrical device is disclosed. The brush holder assembly includes a brush holder, a spring clip removable from the brush holder, a spring detachably coupled to the spring clip, and a spring retainer for retaining the spring on the spri... | 02/01/2011 |
| 7843105 | Brush holder component with ground contact plate Electric motor, as well as a brush mount component (34) for positioning of carbon brushes with respect to a commutator (30) of an electric motor (12), having at least one attachment means (55) for fixing the brush mount component (34 | 11/30/2010 |
| 7821178 | Brush and brush housing arrangement to mitigate hydrodynamic brush lift in fluid-immersed electric motors A direct current electric motor brush and brush housing arrangement which significantly reduces the effect of brush lift in a brushed motor containing viscous fluid. The brush housing enables viscous fluid to avoid momentum transfer into the brushes by providing two... | 10/26/2010 |
| 7816834 | Resilient member for a brush holder assembly Disclosed is a resilient member for use in a brush holder assembly. The resilient member may be positioned between at least a portion of a brush and at least a portion of a brush holder. For example, the resilient member may separate or isolate one or more sides of ... | 10/19/2010 |
| 7768174 | 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 porti... | 08/03/2010 |
| 7755247 | Motor A motor which, even if the commutator is deformed, suppresses brush deformation to thereby prevent short-circuiting between the positive-pole-side brush and the motor housing. A motor includes: a motor housing; a stator; a rotor; a commutator; a positive-pole-side b... | 07/13/2010 |
| 7755248 | Integrated drive element Proposed is an integrated drive element (110) which is particularly suitable for use in an automatic shift transmission of a motor vehicle. The integrated drive element (110) has at least one electric motor (112), with preferably precisely two e... | 07/13/2010 |
| 7719158 | Slip-ring brush and slip-ring unit equipped with such a slip-ring brush A slip-ring brush includes a holder and a brush element that has three regions. The brush element is joined in the first region to the holder, and exhibits a cross-sectional geometry having a cross-sectional area in the second region, which is predetermined for the ... | 05/18/2010 |
| 7709994 | 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. ... | 05/04/2010 |
| 7687967 | Brush assembly for alternator easy to install and capable of reliably preventing entrance of foreign matters A brush assembly for an alternator includes a brush, a brush holder holing the brush, and a slip ring cover for covering a slip ring on a rotary shaft of the alternator. The brush holder and the slip ring cover respectively have first and second through-holes that c... | 03/30/2010 |
| 7683519 | Curvilinear brush retainer with liner for an electric motor assembly A curvilinear brush retainer and brushes for an electric motor assembly provides an end plate upon which is disposed a pair of curvilinear brush retainers. The brush retainers are configured to retain and support a pair of curvilinear brushes as they are biased agai... | 03/23/2010 |
| 7675215 | 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 (6), to which a rotor (10) and a commutator (11) are fitted in a manner fixed against rotation, wherein a co... | 03/09/2010 |
| 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 parallel with a surface of the brush coming into contact with a commutator. ... | 03/02/2010 |
| 7671505 | Brush holder in electric motor An electric motor includes a cylindrical yoke with a bottom; a bracket that covers an opening of the yoke; and a brush holder. The brush holder includes a brush housing portion, with the brush housing portion having three side piece portions, excluding a bottom piec... | 03/02/2010 |
| 7635938 | 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 brus... | 12/22/2009 |
| 7612482 | Electric motor with brush plate An electric motor fixedly axially securable in a housing includes a brush plate with a plurality of axially projecting, uniformly circumferentially distributed, convexly shaped, locking segments formed on the brush plate. The brush plate and the locking segments may... | 11/03/2009 |
| 7579740 | Automotive alternator voltage control apparatus An object of the present invention is to provide a voltage control apparatus enabling reduction in an angle formed by first and second circumferential end surfaces of a general fan shape centered around a slinger. In the present invention, a slinger, a brush holder,... | 08/25/2009 |
