| ASMO CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120119604 | EMBEDDED MAGNET MOTOR AND MANUFACTURING METHOD OF THE SAME - In an embedded magnet motor, radial magnets and first inclined magnets form north poles. The radial magnets and second inclined magnets form south poles. Core sheets each include preformed radial accommodating slots the number of which is expressed by P/2. Some of the preformed radial accommodating slots are short slots and the rest are long slots. The short slots are located at some parts of each radial accommodating slot along the axial direction. Radially inner ends of the short slots restrict the radial magnets from moving radially inward. | 05-17-2012 |
| 20120119538 | DOOR TRIM FOR VEHICLE - A door trim for a vehicle is provided. The vehicle comprises a fixed body including an opening and a movable body that opens and closes the opening. At least one of the fixed body and the movable body includes an attachment portion. The door trim comprises an elongate shape and a cover. The cover is attached along the attachment portion in a manner to cover the attachment portion. The door trim comprises a reinforcing member for reinforcing the cover. The reinforcing member is provided between the cover and the attachment portion to directly oppose the attachment portion. At least one of the cover and the reinforcing member is directly assembled to the attachment portion. | 05-17-2012 |
| 20120112592 | ROTOR AND MOTOR - A rotor comprises a rotor core, a plurality of magnetic poles arranged in a circumferential direction of the rotor core, a plurality of salient poles and a plurality of auxiliary magnets each of which is disposed between the magnetic pole and the salient pole is provided. Each magnet pole has a field magnet pole that serves as a first magnetic pole, wherein the field magnet is a main magnet. Each salient pole is integrally formed with the rotor core between the two adjacent magnetic poles. Each salient pole serves as a second magnetic pole. The pole of the second magnetic pole is opposite from that of the first magnetic pole. The auxiliary magnet generates magnetic flux in a circumferential direction of the rotor core so that the magnetic pole and an opposing pole of the auxiliary magnet have the same polarity and the salient pole and another opposing pole of the auxiliary magnet have the same polarity. | 05-10-2012 |
| 20120112579 | MOTOR - A motor including a motor case, a rotary shaft, and a connector module. The rotary shaft is accommodated and rotated in the motor case. The connector module includes a connector unit, which is electrically connected to an external device and supplies power, and a flat control circuit substrate, which controls rotation of the rotary shaft. The motor case includes an insertion opening into which the connector module is inserted along an insertion direction. The connector module includes a connector housing, which accommodates at least part of the control circuit substrate, and a flat relay, which electrically connects the control circuit substrate and the connector unit and is arranged at a right angle relative to the control circuit substrate. | 05-10-2012 |
| 20120098381 | STATOR, BRUSHLESS MOTOR, AND MANUFACTURING METHOD OF THE SAME - An inner rotor type brushless motor includes a stator. The stator is made of a plurality of stator sections. Each one of the stator sections has a plurality of core members, an insulator, and a winding wound on the core members via the insulator. The core member includes a yoke portion and a tooth portion. The insulator includes a ring portion to connect the core members. Since each stator section can provide sufficient distance and space between two core members on the same stator section, it is easy to wind the winding on the tooth portions. The stator sections can be assembled along an axial direction to form the stator. The yoke portions are circumferentially arranged to connect each other to form a magnetic path. | 04-26-2012 |
| 20120098378 | MOTOR - A motor includes a rotor of 4n magnetic poles and a stator. The rotor includes a rotor core, 2n magnets embedded in the rotor core and 2n salient pole portions formed integrally with the rotor core. A gap is formed between each magnet and the circumferentially adjacent salient pole portion. The stator has 6n tooth portions arranged to face the magnets and the salient pole portions in the radial direction, and coils. Each coil is wound about one of the tooth portions. An electric angle α that corresponds to a mechanical angle α′ defined by a reference line that passes through a central axis of the rotor and the circumferential center position of each magnet, and a line that passes through the central axis of the rotor and the trailing end of each trailing gap, is set in the range of 90°<α<126°. | 04-26-2012 |
| 20120098367 | CLUTCH AND MOTOR - A clutch including a drive shaft, drive side rotation body, driven shaft, driven side rotation body, clutch housing, and lock member is disclosed. During non-rotation of the drive side rotation body, when the driven side rotation body is rotated, the lock member is pushed by the driven side rotation body and moved outward in a radial direction thereby bringing the contact portion into contact with the inner circumferential surface of the clutch housing. During rotation of the drive side rotation body, the drive side rotation body pushes a drive side cam surface in the rotation direction, and the drive side cam surface acts to move the lock member inward in the radial direction and push the lock member against the driven side rotation body. Thus, the lock member is sandwiched between the drive side rotation body and the driven side rotation body thereby coupling the drive side rotation body and the driven side rotation body with the lock member to be integrally rotatable. | 04-26-2012 |
| 20120098364 | ACTUATOR - An actuator including a motor, case, resin mold, connector terminal, and two power supplying terminals. The motor includes two power receiving terminals. The resin mold is arranged in the case at a location close to one end. Each power supplying terminals includes a first extension, which is formed in a distal portion and includes a bent portion, and a second extension, which extends upward or downward from the bent portion. Each second extension includes a contact portion that elastically contacts the corresponding power receiving terminal in a direction in which an axis extends. The contact portions are located at positions that differ between the two power supplying terminals in a vertical direction. In the two power supplying terminals, the bent portions are located at different positions in the vertical direction. Further, the first extensions have different lengths from the resin mold. | 04-26-2012 |
| 20120096666 | WIPER BLADE - A wiper blade includes a main lever, a movable member, and a rubber blade. The main lever can be coupled to a wiper arm. The main lever includes a longitudinally intermediate portion, a first end defined by at least one of two longitudinal ends, and a first holding portion. The first holding portion is arranged closer to the first end than the longitudinally intermediate portion. The movable member is pivotally coupled to the first end and includes a second holding portion. A rubber blade is held by the first holding portion and the second holding portion. A coupling portion between the main lever and the movable member is located outward from the first holding portion in the longitudinal direction of the main lever. | 04-26-2012 |
| 20120091845 | BRUSHLESS MOTOR - A brushless motor includes a rotor and a stator. The rotor is provided with a rotor core including a plurality of magnet poles and a plurality of core poles. A void is formed at a boundary between each core pole and an adjacent magnet pole in the circumferential direction. Each magnet pole includes a peripheral core portion located closer to the stator than the magnet in the radial direction of the rotor. The void formed in at least one of two circumferential sides of each magnet pole includes an extended void region that extends into the peripheral core portion toward a middle point of the magnet pole in the circumferential direction. | 04-19-2012 |
| 20120090125 | CONNECTING DEVICE FOR WIPER BLADE AND WIPER BLADE HAVING THE SAME - In a connecting member, a base member includes an installation portion, to which a hook of a wiper arm configured into a U-shape form is adapted to be installed after installation of the base member to a wiper blade. A lock member is rotatably connected to the base member and is adapted to be engaged with an arcuate outer peripheral surface of the hook after installation of the hook to the installation portion. The lock member includes an engaging portion, which is adapted to be engaged with the arcuate outer peripheral surface of the hook to exert a resilient force against the arcuate outer peripheral surface of the hook. The resilient force of the engaging portion is exerted as a rotational force in a locking direction of the lock member against the arcuate outer peripheral surface of the hook. | 04-19-2012 |
| 20120090124 | WIPER BLADE - An arm piece of a wiper arm, which has a connecting portion connected to a connecting pin through a connecting member received in an opening of a main lever, extends from the connecting portion toward a base end side portion of the main lever such that the arm piece overlaps with an upper surface of the main lever. The main lever is formed by runnerless injection molding. A gate trace, which is left on the main lever in the runnerless injection molding, is formed in an arm accommodation portion of the main lever, which is opposed to the arm piece in a top-to-bottom direction. | 04-19-2012 |
| 20120080973 | ARMATURE FOR ROTARY ELECTRIC APPARATUS AND MANUFACTURING METHOD FOR THE SAME - A laminated core includes laminated core sheets each formed by press working. Each core sheet has a teeth portion corresponding to the teeth. An insulating film covers at least a portion of the laminated core corresponding to the teeth. A burr caused by the press working in each core sheet is located on a side of one end of the laminated core in a laminating direction of the laminated core. The burr of the teeth portion of one of the core sheets located at the one end is folded toward the other end of the laminated core in the laminating direction. | 04-05-2012 |
| 20120080961 | ONE-PIECE RESIN COMPONENT FOR DYNAMOELECTRIC MACHINE AND MANUFACTURING METHOD USING THE SAME - In a one-piece resin component, a plurality of stackable resin portions is resin-molded integrally with a resin housing of a dynamoelectric machine and radially outwardly projects from the resin housing. Each the plurality of stackable resin portions is adapted to be stacked against a corresponding one of a plurality of stackable resin portions of another one-piece resin component that is generally identical to the one-piece resin component. | 04-05-2012 |
| 20120066975 | CLUTCH, MOTOR AND VEHICLE DOOR OPENING/CLOSING DEVICE - A clutch includes a driving-side rotating body, a driven-side rotating body, a holding case, and a power transmitting member held by one of the driving-side rotating body and the holding case. The power transmitting member is moved between a non-engaging position and an engaging position where the driving-side rotating body engages with the driven-side rotating body. The clutch further includes a guiding member held by the other of the driving-side rotating body and the holding case. The guiding member has a cam portion engaged with the power transmitting member and guides movement of the power transmitting member between the engaging position and the non-engaging position. Relative rotation between the driving-side rotating body and the holding case occurs, resulting in that the power transmitting member is guided by the cam portion to move from the non-engaging position to the engaging position. | 03-22-2012 |
| 20120061200 | CLUTCH AND MOTOR - A clutch is provided that includes an annular clutch housing, a driving-side rotor, a driven-side rotor having a control surface, and a rolling element located between the inner circumferential surface of the clutch housing and the control surface. The control surface faces radially outward in the clutch housing. When the driving-side rotor rotates, the rotational driving force of the driving-side rotor is transmitted to the driven-side rotor. When the driving-side rotor is driven to rotate, the rolling element rotates together with the driven-side rotor. When the driving-side rotor is not driven to rotate, the rolling element is held between the inner circumferential surface of the clutch housing and the control surface so as to prevent the driven-side rotor from rotating. The driven-side rotor includes a driven-side coupling portion that can be coupled to and integrally rotatable with the driving-side rotor. The driven-side coupling portion and the control surface are provided at different positions in the axial direction. | 03-15-2012 |
| 20120019089 | MOTOR - A motor including a rotor and a stator. The rotor includes a rotor core, magnet pole portions, and core pole portions. First magnetic pole portions, which are the magnet pole portions or the core pole portions, each include a first and second opposing parts arranged in an axial direction. Each first opposing part includes an auxiliary groove, and each second opposing part does not include an auxiliary groove. Where M (°) represents an open angle of the first magnetic pole portion, G (°) represents an open angle of the void, and L represents the number of teeth, an angle D | 01-26-2012 |
| 20120005881 | METHOD FOR MANUFACTURING A STATOR - A stator having a stator core and coils is disclosed. The stator core includes split core pieces each having a tooth portion. The split core pieces are arranged annularly such that the distal ends of the tooth portions face radially inward. A lead wire is continuously wound about an adjacent pair of the tooth portions such that coils of different phases are formed in the circumferentially adjacent tooth portions, so that a plurality of connecting wires are provided, each connecting wire connecting coils of different phases. The connecting wires are connected to one another while being connected to one another, such that a neutral point is created. | 01-12-2012 |
| 20120001509 | MOTOR AND ROTOR - A motor including a stator and a rotor. The stator includes teeth and windings. Each tooth has a distal portion defined by a radially inward side of the stator. The rotor, which is arranged inward in the radial direction from the stator, includes a rotor core, magnets, and salient poles. Each salient pole is separated by a void from the magnet that is adjacent in the circumferential direction. The distal portion of each tooth is longer than a radially outward side of each magnet. | 01-05-2012 |
| 20110309707 | MOTOR - There is provided a motor including a rotor and a stator arranged outside the rotor in the radial direction. The rotor includes a rotor core, a plurality of magnets arranged at equal intervals in the circumferential direction of the rotor core and functioning as one magnetic pole, and salient poles integrated with the rotor core, each arranged between adjacent magnets and at a distance from the magnets. The salient poles function as the other magnetic pole. A stator has a stator core having a plurality of teeth extending in the radial direction of the stator and arranged at equal intervals in the circumferential direction, and multi-phase coils attached to the teeth. The plurality of salient poles are arranged to have center portions arranged at equal intervals in the circumferential direction, and each have an outer surface extending in the circumferential direction in a range of a predetermined opening angle having an axis of the rotor as a center. A first opening angle serving as an opening angle of an outer surface of a first salient pole is different from a second opening angle serving as an opening angle of an outer surface of a second salient pole. | 12-22-2011 |
| 20110292212 | WASHER NOZZLE FOR VEHICLE MOUNTED CAMERA, VEHICLE MOUNTED CAMERA, AND WASHER DEVICE FOR VEHICLE - A washer nozzle removes foreign matter on an image capturing surface of a camera mounted to the outside of a vehicle by supplying washer fluid to the image capturing surface. The washer nozzle includes an inside spray hole and a discharge portion. The inside spray hole sprays the washer fluid introduced into the washer nozzle. The discharge portion receives washer fluid sprayed from the inside spray hole. The discharge portion has a passage extending in a direction intersecting the spray direction of the washer fluid and a discharge port connected to the passage. The discharge portion discharges, from the discharge port, washer fluid sprayed from the inside spray hole along the image capturing surface, while filling the passage with the washer fluid, thereby washing the image capturing surface. | 12-01-2011 |
| 20110285229 | ROTOR, MANUFACTURING METHOD THEREOF AND ELECTRIC GEAR MOTOR HAVING THE ROTOR - A bearing is positioned relative to a rotatable shaft by inserting the bearing over the rotatable shaft until the bearing contacts a flange of the rotatable shaft, which is cold-forged on the rotatable shaft. The bearing is fixed to the rotatable shaft such that a swaged portion is formed in an outer peripheral portion of the rotatable shaft on an opposite axial side of the bearing, which is axially opposite from the flange, by swaging a corresponding part of the outer peripheral portion of the rotatable shaft such that the corresponding part of the outer peripheral portion of the rotatable shaft is radially outwardly bulged to form the swaged portion, and the swaged portion is axially pressed against the bearing to axially securely clamp the bearing between the swaged portion and the flange. | 11-24-2011 |
| 20110277266 | WIPER BLADE - A wiper blade for connection to a wiper arm for wiping a surface to be wiped while swinging to-and-fro between a wiper stop position and a reversal position. The wiper blade includes a lever member configured to be coupled to the wiper arm, and a blade rubber retained by the lever member. The lever member includes first and second retaining hooks projecting toward the surface to be wiped and arranged at an interval in the longitudinal direction of the lever member. The blade rubber includes accommodating grooves, which are open toward a wiping direction. A leaf spring member is mounted in each accommodating groove. The first and second retaining hooks retain the blade rubber while preventing the leaf spring members from falling out of the accommodating grooves. The lever member further includes fall-off preventing protrusions arranged between the first and second retaining hooks in the longitudinal direction of the lever member. The fall-off preventing protrusions project toward the surface to be wiped. The fall-off preventing protrusions are arranged on the rear side of the blade rubber with respect to a direction in which the blade rubber moves from the wiper stop position toward the reversal position. The fall-off preventing protrusions permit movement of the blade rubber in the direction perpendicular to the surface. When the blade rubber moves from the wiper stop position toward the reversal position, the fall-off preventing protrusions receive the blade rubber so as to prevent the leaf spring members from falling out of the accommodating grooves. | 11-17-2011 |
| 20110229650 | ELECTROSTATIC POWDER COATING METHOD AND ELECTROSTATIC POWDER COATING APPARATUS - Workpieces, which are conveyed by a conveying device along a conveying path, are heated by a heating and degreasing coil. Then, resin powder is downwardly sprayed from a nozzle of a coating device to each corresponding one of the workpieces, which are conveyed by the conveying device. The workpieces are thereafter heated by a heating and curing coil. At each of the heating coils, a dummy member, which is made of an electrically conductive material, is displaced from a retracted position to a forward position, which is located between the corresponding heating coil and a corresponding adjacent part of the conveying path of the conveying device, when an empty one of mount locations of the conveying device reaches the forward position of the dummy member. | 09-22-2011 |
| 20110227520 | BRUSHLESS MOTOR CONTROLLER AND METHOD FOR CONTROLLING BRUSHLESS MOTOR - A brushless motor controller is disclosed. The brushless motor controller includes a control unit and a drive timing generation unit. The control unit detects a load state of the motor. The drive timing generation unit generates a normal energizing timing determined by the rotational position of the rotor. Also, the drive timing generation unit generates an advancing angle energizing timing determined by the rotational position of the rotor and advanced by a predetermined amount from the normal energizing timing, generates a delay amount that changes in correspondence with the detected load state of the motor and the rotational speed of the rotor, and generates a final advancing angle energizing timing delayed by the delay amount from the advancing angle energizing timing. | 09-22-2011 |
| 20110225805 | Method for Manufacturing Armature Core - A method for manufacturing an armature core is provided, in which a plurality of split cores, which are formed by laminating core pieces produced through punching by punching dies, are coupled together to form an annular shape as a whole, so as to manufacture one armature core. The method includes: preparing a plurality of sets of the split cores, each set having three split cores, so as to form one armature core; and arranging the three split cores in each set at intervals of 120° in the circumferential direction. The three split cores in each set are formed by core pieces that have been punched by the same part of the same punching die. | 09-22-2011 |
| 20110221299 | DYNAMOELECTRIC MACHINE - An insert member is placed on one end surface of an armature on one axial side. A rotatable shaft member is integrally molded into one piece from a resin material and includes a shaft portion, a flange portion and a boss portion. The shaft portion axially extends through the armature and the insert member. The flange portion supports the other end surface of the armature on the other axial side. The armature and the insert member are fitted to the boss portion. The urging member is axially placed between a bottom portion of a motor housing and the insert member and axially urges the armature against the flange portion. | 09-15-2011 |
| 20110204833 | CONTROLLER FOR MOTOR - A controller for use with a motor including a stator, around which three-phase coils are wound, and a rotor, which includes a magnet functioning as a first magnetic pole and a salient pole of a core functioning as a second magnetic pole. The controller supplies the three-phase coils with excitation currents having a predetermined phase difference from one another to drive and rotate the rotor. The controller includes a current adjustment unit that adjusts a fundamental wave current using high-order currents for third order and ninth order components in a q-axis to reduce torque ripple. The excitation current is generated based on the fundamental wave current adjusted by the current adjustment unit. | 08-25-2011 |
| 20110193440 | MOTOR - A motor having a rotor and a stator is disclosed. A motor having a rotor and as stator is disclosed. The rotor is a consequent-pole rotor having a rotor core, a plurality of magnets, and a plurality of salient poles. The stator includes a plurality of teeth. The stator is arranged to be opposite to the rotor with a gap along the radial direction. The gap between the stator and the rotor is set to satisfy an expression 1 | 08-11-2011 |
| 20110187223 | BRUSHLESS MOTOR AND MANUFACTURING METHOD THEREOF - Each of vibration dampers is separated from each circumferentially adjacent one of the vibration dampers upon cutting of each of a plurality of connectors, which is initially integrally formed with the vibration dampers to circumferentially join between corresponding circumferentially adjacent two of the vibration dampers to form a single closed loop body. At least a part of each of first and second circumferential end portions of each vibration damper is engaged with a corresponding one of outer protrusions of a centerpiece in a circumferential direction of a stator. A primary recess is radially inwardly recessed at an outer peripheral portion of the vibration damper and is engaged with a corresponding one of primary protrusions of the stator in the circumferential direction of the stator. | 08-04-2011 |
| 20110187215 | DYNAMO-ELECTRIC MACHINE - Engaging protrusions of a lower end housing are axially snap-fitted into through holes, respectively, of a yoke housing to couple therebetween. Each of spacers is circumferentially placed between and is press-fitted between corresponding adjacent two of permanent magnets fixed to an inner peripheral surface of the yoke housing. Each spacer axially contacts a corresponding contact part of the end housing. A lower ball bearing and an upper ball bearing are supported by the lower end housing and an upper end housing, respectively, to rotatably support a shaft. A wave washer is axially positioned between the lower ball bearing and the lower end housing to exert an urging force between the lower end housing and the upper end housing through the shaft. | 08-04-2011 |
| 20110185819 | PRESSURE SENSITIVE SENSOR AND MANUFACTURING METHOD THEREOF - A molten dielectric resin material is filled in a section of an inside of a hollow dielectric body, in which electrode wires are installed. The molten dielectric resin material is solidified to form filler resin, so that the hollow dielectric body has a sensor portion, in which the filler resin is not filled in the inside of the hollow dielectric body, and a non-sensor portion, in which the filler resin is filled in the inside of the hollow dielectric body. A power supply connector is installed to one end part of the hollow dielectric body located at the non-sensor portion side and includes a plurality of electrically conductive terminals that are electrically connected to the plurality of electrode wires. | 08-04-2011 |
| 20110181230 | MOTOR - A motor including a stator, a rotor, and a current supply unit. The stator includes a stator core, which has a plurality of teeth, and a plurality of coils, which are wound around the teeth. The rotor includes a plurality of magnets, which function as first magnetic poles, and salient poles, which function as second magnetic poles. Each of the salient poles is arranged between adjacent magnets spaced apart by a clearance from the magnets. When P represents the number of poles in the rotor and S represents the number of coils, a ratio P/S of the pole number P and the coil number S is represented by (4n−2)/3m (where n and m are integers that are greater than or equal to 2). The plurality of coils includes a plurality of coil groups including coils for three phases. The current supply unit executes a different current control for each coil groups. | 07-28-2011 |
| 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 |
| 20110162161 | WIPER BLADE - A wiper blade including a lever member, a rubber blade, and a movable cover member is disclosed. The lever member includes a main lever and a yoke lever. The main lever is coupled to a wiper arm. The yoke lever is coupled to the main lever. The yoke lever includes a plurality of grip portions. The rubber blade is gripped by the plurality of grip portions to wipe a wiping surface. The rubber blade includes a following end projecting outward from the one of the grip portions that is located at a longitudinally outer side of the lever member. The movable cover member covers at least part of the yoke lever. The movable cover member includes a holding portion and a basal portion. The holding portion holds the following end. The basal portion is pivotally coupled to the yoke lever so that the movable cover member pivots relative to the yoke lever when the following end bends and deforms in a direction orthogonal to the wiping surface. | 07-07-2011 |
| 20110148240 | MOTOR - A motor having a rotor and a stator is disclosed. The rotor is a consequent-pole rotor having a rotor core, a plurality of magnets, and a plurality of salient poles. The stator includes a stator core and multiphase coils. Each coil is wound about the teeth by distributed winding, in such a manner as to wind two or more consecutive teeth in single winding. The opening degree each of salient pole opposed to the distal ends of the teeth is set greater than or equal to twice the opening angle of the distal end of each tooth. | 06-23-2011 |
| 20110140562 | MOTOR - A motor having a rotor and a stator is disclosed. The rotor is a consequent-pole rotor having a rotor core, a plurality of magnets, and a plurality of salient poles. The stator includes a plurality of teeth. A first auxiliary groove is formed in a surface of each salient pole that is opposed to the teeth. Each first auxiliary groove has first and second side surfaces facing each other in the circumferential direction. The first side surface is closer to a circumferential center of the salient pole than the second side surface. When the angle from the circumferential center line to the first side surface of each salient pole about the axis of the rotor is represented by KC1, the opening angle between the circumferential ends of the distal end of each tooth about the axis is represented by KA, and the opening angle between the circumferential ends of each salient pole about the axis is represented by KB, the following expression is satisfied: KC1=KA−KB/2. | 06-16-2011 |
| 20110115328 | EMBEDDED MAGNET MOTOR AND MANUFACTURING METHOD OF THE SAME - In an embedded magnet motor, radial magnets and first inclined magnets form north poles. The radial magnets and second inclined magnets form south poles. Core sheets each include preformed radial accommodating slots the number of which is expressed by P/2. Some of the preformed radial accommodating slots are short slots and the rest are long slots. The short slots are located at some parts of each radial accommodating slot along the axial direction. Radially inner ends of the short slots restrict the radial magnets from moving radially inward. | 05-19-2011 |
| 20110057526 | 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 and includes a connector, which is adapted to connect with an external connector to receive an electric power. An output side end part of the yoke housing has a flange portion, through which the gear housing is fixed to the yoke housing. The holder member includes a contact portion that contacts the flange portion of the yoke housing in an axial direction of a rotatable shaft. | 03-10-2011 |
| 20110050025 | DIRECT-CURRENT MOTOR AND MANUFACTURING METHOD FOR THE DIRECT-CURRENT MOTOR - A motor is provided that includes magnetic poles, an armature core, armature coils, a commutator, and power supply brushes. The armature core includes teeth arranged in the circumferential direction to extend in a radial pattern. The armature coils include inner layer coils and outer layer coils. Each of the inner layer coils is wound around radially proximal end portions of two circumferentially adjacent teeth or a radially proximal end portion of one of the teeth. The inner layer coils are arranged in the circumferential direction without overlapping each other in the radial direction. Each of the outer layer coils is wound around radially distal end portions of two circumferentially adjacent teeth by distributed winding. The outer layer coils are arranged radially outward of the inner layer coils and are arranged in the circumferential direction without overlapping each other in the radial direction. The circumferential center of the inner layer coils and the circumferential center of the outer layer coils are displaced in the circumferential direction. | 03-03-2011 |
| 20110047879 | OPENING AND CLOSING APPARATUS - An opening and closing apparatus is disclosed that includes an opening and closing body, a force transmitting portion, an elongated sensor body, a support member, and a control section. The opening and closing body is actuated to selectively open and close an opening. The force transmitting portion has a drive portion that generates drive force. The force transmitting portion transmits the drive force from the drive portion to the opening and closing body. The sensor body detects an object between a closing-side end of the opening and closing body and a facing part of the periphery of the opening that faces the closing-side end of the opening. The closing-side end is at an advancing side of the opening and closing body when the opening and closing body is in a closing operation. The support member is fixed either to the closing-side end or the facing part. The support member supports the sensor body. The control section controls the drive portion based on a detection result of the object received from the sensor body. The support member includes an attachment main body and a reinforcing member that is embedded in the attachment main body and reinforces the attachment main body. The reinforcing member has a sensor holding portion that is exposed to the outside from the attachment main body and holds the sensor body. | 03-03-2011 |
| 20110044063 | LAMP DEVICE - A lamp device is provided that is capable of performing a first actuation and a second actuation. At the first actuation, the lamp device pivots a lamp about a first axis relative to a support, and, at the second actuation, the lamp device pivots the lamp about a second axis, which is perpendicular to the first axis, relative to the support. The lamp includes a first supporting portion that is located on the first axis and at a side of the lamp and a second supporting portion that is located on the first axis and at the other side of the lamp. The first supporting portion is supported by the support to be pivotable about the intersection point of the first axis and the second axis. The second supporting portion is joined to a movable joint member. The movable joint member is supported by the support so as to be movable along a second actuation axis. | 02-24-2011 |
| 20110031851 | ELECTRIC MOTOR - A shaft is adapted to be inserted through a circuit apparatus without a need for disassembling a shaft side sensor device from an end part of the shaft to place the shaft side sensor device in an opposed relationship to a circuit board side sensor device at a location adjacent to the circuit board side sensor device. The shaft side sensor device forms a sensor apparatus in cooperation with the circuit board side sensor device to sense a rotational angle of the rotor. | 02-10-2011 |
| 20110006632 | EMBEDDED MAGNET MOTOR AND MANUFACTURING METHOD OF THE SAME - In an embedded magnet motor, radial magnets and first inclined magnets form north poles. The radial magnets and second inclined magnets form south poles. Core sheets each include preformed radial accommodating slots the number of which is expressed by P/2. Some of the preformed radial accommodating slots are short slots and the rest are long slots. The short slots are located at some parts of each radial accommodating slot along the axial direction. Radially inner ends of the short slots restrict the radial magnets from moving radially inward. | 01-13-2011 |
| 20100327680 | MOTOR - In a motor, a stator with a three-phase winding set and a rotor are located in an operation region of a motor casing having a side wall. An inverter circuit constructed with power modules is located in a control region that is located on the opposite side of the operation region across the side wall in an axial direction of the motor. Each power module has a pair of transistors and a common terminal connected to the pair of transistors. A lead of a winding corresponding to one phase and a lead of a winding corresponding to another phase extend in the axial direction to cross over from the operation region to the control region and are connected together to the common terminal of a corresponding power module. | 12-30-2010 |
| 20100327677 | DRIVE APPARATUS AND SEMICONDUCTOR MODULE - A special terminal may project from an encapsulation body of a semiconductor module and may be engaged with an engaging portion of a motor case to limit a positional deviation of the semiconductor module relative to the motor case. Additionally or alternatively, a module side engaging portion may be formed in the encapsulation body and may be engaged with a case side engaging portion to position the semiconductor module relative to the motor case. | 12-30-2010 |
| 20100320857 | 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 brush has a slide contact surface, which is generally parallel to the rotational axis of the armature and slidably contacts an outer peripheral surface of a commutator. At least a portion of the slide contact surface of each brush is axially disposed outside of an opening of the yoke housing. | 12-23-2010 |
| 20100308680 | Rotor and Motor - A motor is disclosed that includes a rotor having a consequent-pole structure. The rotor core of the rotor includes a magnetic flux dividing portion at each position that faces one of the magnets. Each magnetic flux dividing portion forcibly divides magnetic flux in the vicinity of the backside of the corresponding magnet to both sides in the circumferential direction. | 12-09-2010 |
| 20100301695 | Rotor and Motor - A motor includes a rotor and a stator. The rotor includes a plurality of magnets, which function as first magnetic poles, and salient poles, which function as second magnetic poles. A ratio X | 12-02-2010 |
| 20100299912 | BRUSHLESS MOTOR AND MANUFACTURING METHOD THEREOF - A second ball bearing is installed from a first axial side toward a second axial side into an interior of a bearing holder of a rotor through an opening of the bearing holder, so that an outer race of the second ball bearing is press fitted to an inner peripheral portion of the interior of the bearing holder. A first ball bearing is inserted from the first axial side toward the second axial side into the interior of the bearing holder of the rotor through the opening of the bearing holder after the installing of the second ball bearing, so that an outer race of the first ball bearing is press fitted to the inner peripheral portion of the interior of the bearing holder and is axially spaced from the outer race of the second ball bearing. | 12-02-2010 |
| 20100295394 | Electric motor - Winding Start Sections and Winding End Sections of Winding Wires are Pulled out from slots of an armature core and are guided by wire guides of an insulator. Thereafter, each corresponding one of the winding start sections and the winding end sections is guided by a corresponding winding holding portion and is directly connected to a corresponding one of power supply terminal elements of a circuit apparatus without using an intermediate terminal. | 11-25-2010 |
| 20100283339 | MOTOR - A motor including electrical components laid out to avoid enlargement of the motor. The motor includes a rotor, a cylindrical housing including a closed end and an open end and accommodating the rotor, and an end bracket fixed to the housing to close the open end and including a connector support. Two power supply terminals extend to the connector support. A noise prevention element includes a connection terminal connected to the power supply terminals. A rotation detector detects rotation of the rotor and includes a detector body. The noise prevention element is arranged between the two power supply terminals. The detector body and the noise prevention element are arranged at a portion of the end bracket closer to the connector support and aligned in an axial direction of the motor. | 11-11-2010 |
| 20100264863 | Brushless motor control apparatus, brushless motor and control method of brushless motor - A slope counter starts countdown at timing of changing an output voltage of an FET to zero. A controller executes a nonsymmetrical energization control operation to control a PWM generator such that the PWM generator generates a PWM signal based on a count value of the slope counter and outputs the generated PWM signal to the FET. The countdown of the slope counter is terminated when a predetermined time period elapses or when a time period corresponding to an electrical angle of 40 degrees elapses before the elapsing of the predetermined period. Also, at this time, the controller terminates the nonsymmetrical energization control operation. | 10-21-2010 |
| 20100264862 | Brushless motor control apparatus, brushless motor and control method of brushless motor - A power supply control device turns off energization of coils from a power supply device when a rotational speed of a motor reaches 500 rpm. After elapsing of one electrical cycle from the time of starting the turning off of the energization, a comparator of a correction device outputs a comparator signal, which is obtained by comparing a voltage of a neutral point of the coils and an induced voltage of the coil. An EX-OR circuit outputs an EX-OR signal, which is an exclusive OR value of the comparator signal and an output signal of a Hall sensor. A sensing unit obtains an electrical angle of a period, during which the EX-OR signal is in a H-level. A difference between the obtained electrical angle and a standard electrical angle of 30 degrees is stored as a correction data value. Thereafter, energization of the coils is restarted. | 10-21-2010 |
| 20100264772 | DIRECT CURRENT MOTOR - A direct current motor is provided that includes an armature core, a commutator, coils, positive brushes, and negative brushes. The armature core includes a stator. The stator has magnets the number of which is represented by P (where P is an even number greater than or equal to six). The coils are wound about the teeth by duplex wave winding. Alternatively, the coils are wound about the teeth such that each pair of coils that are spaced apart by 180° are connected common ones of the segments. Each of the positive brushes and the negative brushes has an angular width WB, at which it slides on the segments. When the angular width of the arrangement pitch of the segments is represented by WP (WP=360°/the number of the segments), and the angular width of the clearance between each pair of circumferentially adjacent segments is represented by WU, the angular width WB is set to satisfy the expression: WB≦(4/P)×WP+WU. | 10-21-2010 |
| 20100219844 | Foreign object detection sensor and method for manufacturing the same - A foreign objection detection sensor has a lengthy sensor part having a sensor electrode having a first sensor electrode which detects a proximity of a foreign object and a second sensor electrode which detects a contact of the foreign object, a sensor terminal part provided at one end of the sensor part, a leading wire pulled out from the sensor terminal part, the leading wire being electrically connected to the sensor electrode at the sensor terminal part to provide a proximity detecting function for detecting the proximity of the foreign object to the sensor part and a contact detecting function for detecting the contact of the foreign object to the sensor part. The sensor terminal part has a support member which supports a detection circuit unit electrically connected to the sensor electrode to carry out the proximity detecting function and the contact detecting function together with the sensor electrode. The detection circuit unit is disposed in the support member. | 09-02-2010 |
| 20100194320 | Motor control apparatus and motor control method - In a polyphase electric motor, a voltage is sequentially applied to a plurality of windings on a phase-by-phase basis. Then, there is sensed a rotational speed of a rotor, which is rotated by a rotating magnetic field that is generated by sequentially flowing an electric current in the windings on the phase-by-phase basis upon the sequential application of the voltage to the windings. Then, an oscillation frequency of a periodic oscillation, which is generated in the motor at the sensed rotational speed of the rotor, is obtained. Thereafter, it is determined whether the obtained oscillation frequency is a predetermined resonance frequency. Next, the voltage to be applied to the windings is corrected in a manner that reduces a resonance generated in the motor when a result of the determination indicates that the obtained oscillation frequency is the predetermined resonance frequency. | 08-05-2010 |
| 20100176696 | CONTROL CIRCUIT MEMBER AND MOTOR - A control circuit member provided in a motor is disclosed. The motor includes a motor main body having a rotary shaft and a gear housing integrated with the motor main body. The control circuit member includes a circuit substrate on which a rotation detecting element is mounted and a substrate support member. The circuit substrate is accommodated in a circuit accommodating portion in the gear housing. The substrate support member supports the circuit substrate inside the circuit accommodating portion. The control circuit member is configured to be insertable into the circuit accommodating portion along the axial direction of the rotary shaft. The circuit substrate is configured to be arrangeable inside the circuit accommodating portion while being inclined with respect to the axial direction of the rotary shaft, so as to cause the rotation detecting element to approach the detector magnet. | 07-15-2010 |
| 20100175216 | Wiper system and wiper control method - A wiper is pivotably supported and is swung by a drive force of an electric motor. When a command, which commands execution of one of high and low speed modes, is entered through a wiper switch in the middle of operation of the wiper in another one of the high and low speed modes, a control unit controls an electric motor such that a moving speed of the wiper, which is preset for the another one of the high and low speed modes, is changed to the moving speed of the wiper, which is preset for the one of the high and low speed modes, during a time period of executing a predetermined number of swings of the wiper between an upper return position and a lower return position upon entering of the command through the wiper switch means. | 07-15-2010 |
| 20100170054 | Vehicle wiper device and vehicle - A vehicle wiper device including a wiper arm, a wiper blade, and a wiping range enlarging mechanism is disclosed. The wiper arm is driven by driving force of a drive source. The wiper blade is coupled to a distal portion of the wiper arm at a constant position relative to the wiper arm. The wiper blade moves back and forth between first and second reversing positions while wiping a wiping surface of a vehicle body when the wiper arm is driven. The wiping range enlarging mechanism drives the wiper arm while moving a basal portion of the wiper arm so that a wiping angle of a basal portion of the wiper arm becomes greater than a wiping angle of a distal portion of the wiper arm at the second reversing position. | 07-08-2010 |
| 20100162512 | Wiper apparatus - A swing lever is fixed to a pivot shaft to pivot the pivot shaft about a pivot axis thereof. A wiper arm is directly connected to a distal end portion of the pivot shaft and is pivoted together with the pivot shaft about the pivot axis of the pivot shaft when the pivot shaft is driven by the swing lever. The wiper arm is pivotable about a pivot axis thereof, which is generally perpendicular to or is tilted relative to the pivot axis of the pivot shaft, toward or away from a wiping surface. A coil spring is directly or indirectly connected between the wiper arm and the swing lever to exert an urging force to urge the wiper arm toward the wiping surface in a wiping operational position of the wiper arm for wiping the wiping surface. | 07-01-2010 |
| 20100162511 | Wiper system and wiper control method - A wiper is continuously reciprocally swung between an upper return position and a lower return position by controlling an electric motor when an operational command for executing a continuous operational mode is entered by a user through a wiper switch. The wiper is reciprocally swung after stopping of the wiper for a predetermined time period at a predetermined position, which is located on an outer side of the lower return position that is opposite from the upper return position in a swing direction of the wiper and at which an influence of a wind pressure applied to the wiper is smaller in comparison to the lower return position, by controlling the electric motor when an operational command for executing an intermittent operational mode is entered through the entering means. | 07-01-2010 |
| 20100148612 | BRUSHLESS MOTOR - A brushless motor including a stator having teeth and a rotor having magnetic pole portions is disclosed. The magnetic pole portions are arranged to have the same polarities as each other. The rotor includes gaps that function as magnetic resistance at circumferential ends of each of the magnetic pole portions so that an iron core portion is formed between the circumferentially adjacent magnetic pole portions. Magnetic flux of the magnetic pole portions passes through the iron core portion along the radial direction. The gaps include a first gap located on the leading end of the magnetic pole portion in the rotation direction of the rotor and a second gap located on the trailing end of the magnetic pole portion in the rotation direction of the rotor. The circumferential width of the first gap is set to be greater than the circumferential width of the second gap. | 06-17-2010 |
| 20100146726 | WIPER DEVICE - A wiper device includes first and second pivot shafts, first and second pivot holders, a hollow frame, a drive source, and a link rod. The first and second pivot holders are fixed to a vehicle body, pivotally support the first and second pivot shafts, and include first and second attachment shafts, respectively. The hollow frame couples the pivot holders to each other. The link rod transmits drive force of the drive source to the first and second pivot shafts. The hollow frame includes first and second coupling-fixing portions and a drive source fixing portion. The first and second attachment shafts are respectively crimped and fixed to the coupling-fixing portions. Axes of the first and second coupling-fixing portions lie along a straight line. The hollow frame is bent so as to arrange the drive source fixing portion spaced apart from the first and second pivot holders in a direction extending from the distal ends towards basal ends of the pivot shafts. | 06-17-2010 |
| 20100139025 | Wiper system and wiper control method - An output shaft of a wiper motor is connected to a wiper to transmit a rotational force of the wiper motor to the wiper to reciprocally swing the wiper between an upper return position and a lower return position in response to forward and backward rotations of the output shaft upon energization of the wiper motor. When the wiper is stopped at the lower return position, the control unit executes a stop position holding control operation in such a manner that the control unit controls a rotational direction of the wiper motor to apply a rotational force to the wiper in a downward direction and controls the rotational force of the wiper motor based on a speed of the vehicle to substantially maintain the wiper at the lower return position. | 06-10-2010 |
| 20100133939 | MOTOR - A motor including a stator and a rotor is disclosed. The rotor includes a first unit and a second unit. The first unit includes an N-pole first magnet and an S-pole second magnet. The first and the second magnets are alternately arranged along a circumferential direction of the rotor at equal angular intervals to form magnetic pole portions. The second unit includes an N-pole or S-pole third magnet and a salient pole arranged in the rotor core. The salient pole functions as a magnetic pole that differs from the third magnet. The third magnet and the salient pole are alternately arranged along the circumferential direction of the rotor to form magnetic pole portions. The number of magnetic pole portions of the second unit is the same as the number of magnetic pole portions of the first unit. The third magnet and the magnet of the first unit having the same pole as the third magnet are aligned in the axial direction of the rotor. | 06-03-2010 |
| 20100072840 | Armature and motor - In an armature of a motor, each of windings is wound around at least two of a plurality of tooth portions of a core to form at least two wound parts of the winding. A crossover of each winding, which connects between corresponding two of the at least two wound parts, is placed on one axial side of a ring portion of the core. A crossover relief space is axially recessed in an end surface of the ring portion on the one axial side. At least a portion of each crossover is received in the crossover relief space. Guides project on the other axial side of the core and guide winding terminal portions of the windings. | 03-25-2010 |
| 20100066188 | Brushless motor - Teeth of a stator core are arranged one after another in the circumferential direction at alternating first and second pitches. Each corresponding adjacent two of the teeth, which are spaced from each other by the first pitch, are wound with corresponding two, respectively, of stator coils, which form a corresponding common phase. Each corresponding adjacent two of the teeth, which are spaced from each other by the second pitch, are wound with corresponding two, respectively, of the stator coils, which form corresponding different phases, respectively. | 03-18-2010 |
| 20100052462 | Armature and electric motor having the same - Winding guide portions of an insulator are received in slots, respectively, of a core. Each of windings is electrically insulated from the core by a winding guide wall of a corresponding one of the winding guide portions in each of corresponding two of slots of the core. The winding guide wall of at least one of the winding guide portions is configured differently from the winding guide wall of each of the rest of the winding guide portions and includes a radial bottom wall section, which is radially outwardly spaced from a radial bottom wall section of a corresponding one of the slots by a predetermined distance and contacts a corresponding one of the windings. | 03-04-2010 |
| 20100000355 | Output power transmission device and motor with speed reducing mechanism - An output power transmission device has a transmission plate and a C-ring. The transmission plate is attached to a wheel gear in an axial direction of the wheel gear such that the transmission plate directly engages with the wheel gear in a rotation direction. The transmission plate functions as a transmission member for transmitting rotation of the wheel gear to an output shaft. The C-ring is provided at a position where the C-ring sandwiches the transmission plate with the wheel gear in the axial direction. The C-ring functions as a restriction section for restricting movement of the transmission plate in the axial direction opposite from the wheel gear side. An elastic claw section as a pressing member is formed on the wheel gear. The elastic claw section presses the transmission plate against the C-ring in the axial direction. | 01-07-2010 |
| 20090322141 | Auxiliary Mechanism for Seat Belt Apparatus - An auxiliary mechanism for a seat belt apparatus includes a support portion and a guide portion. The support portion supports a webbing in a manner drawable to the front of a seat back. The support portion is movable between a storage position, which is near the seat back, and a projection position, which is spaced further apart from the seat back than the storage position to draw out the webbing toward the front of the seat back. The guide portion guides the movement of the support portion between the storage position and the projection position, and then continuously guides the movement of the support portion along a vertical direction of the seat back at the storage position. | 12-31-2009 |
| 20090309535 | Motor control apparatus and motor control method - A first duty ratio of a drive command signal is computed by comparing a level of the drive command signal with a first threshold value at a motor controller of a blower motor apparatus. A second duty ratio of the drive command signal is computed by comparing the level of the drive command signal with a second threshold value at the motor controller. A control signal is generated based on the first duty ratio and the second duty ratio in the motor controller and is used to drive a blower motor of the blower motor apparatus. | 12-17-2009 |
| 20090309452 | MOTOR, STATOR, AND METHOD FOR MANUFACTURING STATOR - A stator having a stator core and coils is disclosed. The stator core includes split core pieces each having a tooth portion. The split core pieces are arranged annularly such that the distal ends of the tooth portions face radially inward. A lead wire is continuously wound about an adjacent pair of the tooth portions such that coils of different phases are formed in the circumferentially adjacent tooth portions, so that a plurality of connecting wires are provided, each connecting wire connecting coils of different phases. The connecting wires are connected to one another while being connected to one another, such that a neutral point is created. | 12-17-2009 |
| 20090299580 | Opening/closing member control apparatus and method - A control apparatus for a power window device stores a speed control start position that is set between a fully open position and a fully closed position, and a speed control end position that is set adjacently to the fully open position. While driving a windowpane in a direction toward the fully open position, the control apparatus reduces a motor output after the windowpane reaches the speed control start position until it reaches the speed control end position. The control apparatus de-energizes a motor when the windowpane reaches the speed control end position. The speed control end position is set at a position, from which the windowpane cannot reach the fully open position with its movement speed at the time the motor is de-energized. | 12-03-2009 |
| 20090267786 | OPENING AND CLOSING APPARATUS - An opening and closing apparatus having an opening and closing body, a drive portion, a control portion, and a detecting device is disclosed. The detecting device has a sensor portion for detecting the capacitance between the sensor portion and an object that is in the proximity of the sensor portion or is contacting the sensor portion. The detecting device detects that the object is in the proximity of the sensor portion or is contacting the sensor portion based on the capacitance detected by the sensor portion. If the detecting device detects contact of the object with the sensor portion when the opening and closing body is not being moved, the control portion controls the drive portion to start opening the opening and closing body. If the detecting device detects that the object is in the proximity of the sensor portion when the opening and closing body is being closed, the control portion controls the drive portion to stop or reverse the movement of the opening and closing body. | 10-29-2009 |
| 20090267549 | BRUSHLESS MOTOR CONTROLLER AND BRUSHLESS MOTOR - A brushless motor controller that controls a brushless motor by determining an energizing timing of a three-phase stator coil based on the rotational position and speed of a rotor. The controller includes a normal timing generation unit, an advancing timing generation unit, and a control switching unit. The normal timing generation unit generates a normal energizing timing. The advancing angle timing generation unit generates an advancing angle energizing timing advanced by a predetermined amount from the normal energizing timing and a final advancing angle energizing timing delayed by a delay amount from the advancing angle energizing timing. The control switching unit switches rotation control of the motor between a first rotation control executed in accordance with the normal energizing timing and a second rotation control executed in accordance with the final advancing angle energizing timing. | 10-29-2009 |
| 20090256438 | STATOR, MOTOR, AND METHOD OF MANUFACTURING STATOR - A stator core of a stator has a plurality of teeth extending radially. A plurality of connector pins project from a partition plate. Wires each have a wire connection portion drawn out from the corresponding one of coils. Each wire is electrically connected to the corresponding connector pins by winding the wire connection portions around the connector pins. | 10-15-2009 |
| 20090230803 | EMBEDDED MAGNET MOTOR AND MANUFACTURING METHOD OF THE SAME - In an embedded magnet motor, radial magnets and first inclined magnets form north poles. The radial magnets and second inclined magnets form south poles. Core sheets each include preformed radial accommodating slots the number of which is expressed by P/2. Some of the preformed radial accommodating slots are short slots and the rest are long slots. The short slots are located at some parts of each radial accommodating slot along the axial direction. Radially inner ends of the short slots restrict the radial magnets from moving radially inward. | 09-17-2009 |
| 20090195099 | Rotatable shaft assembling method, rotatable shaft assembly, and electric motor having the same - At the time of assembling an electric motor, plain bearings are installed over a worm shaft to form a shaft assembly. Then, the worm shaft together with the plain bearings is inserted into a gear housing in an inserting direction, which is generally parallel to an axial direction of the worm shaft, such that each of the plain bearings is press fitted into a corresponding installation part of the housing. | 08-06-2009 |
| 20090188168 | DOOR NOISE SUPPRESSING STRUCTURE IN OPEN/CLOSE BODY DRIVE APPARATUS - A drive apparatus for opening and closing a window glass provided in a door having an inner panel is disclosed. The drive apparatus includes a motor provided in the door and a regulator that receives drive force from the motor and selectively open and close the window glass. The door noise includes motor operating noise and vibration transmission noise that is generated when vibration of the motor is transmitted to the inner panel via the regulator. The motor is configured such that a first-order frequency component in vibration of the motor is greater than any other nth component (n is an integer greater than or equal to two), so that the first-order frequency component in the door noise is greater than any other nth frequency component (n is an integer greater than or equal to two). | 07-30-2009 |
| 20090160385 | MOTOR CONTROLLER - A motor controller that outputs a drive signal to a direct-current brush motor to drive the motor is provided. The motor controller includes a drive signal generating section that generates the drive signal. The drive signal generating section generates the drive signal by superimposing on a direct-current voltage a compensation voltage for generating a compensation torque that can cancel rotation torque fluctuations in a no-load rotation state of the motor. | 06-25-2009 |
| 20090153090 | MOTOR CONTROLLER - A motor controller that outputs a drive signal to a direct-current motor to drive the motor is provided. The motor controller includes a drive circuit that generates the drive signal. The drive circuit superimposes on a direct-current voltage an alternating-current component having a frequency in the audible frequency range of the human ear, thereby generating the drive signal. | 06-18-2009 |
| 20090153000 | MOTOR, THERMISTOR, AND MANUFACTURING METHOD OF THE SAME - A thermistor device configures part of an electrical path from a motor feeder section to an armature. A recess defining wall defines an accommodating recess, which accommodates the thermistor device. The thermistor device includes a plate-like thermistor element. A first conductive plate and a second conductive plate sandwich the thermistor element. A pair of first projections | 06-18-2009 |
| 20090152967 | Brushless motor and manufacturing method thereof - A second ball bearing is installed from a first axial side toward a second axial side into an interior of a bearing holder of a rotor through an opening of the bearing holder, so that an outer race of the second ball bearing is press fitted to an inner peripheral portion of the interior of the bearing holder. A first ball bearing is inserted from the first axial side toward the second axial side into the interior of the bearing holder of the rotor through the opening of the bearing holder after the installing of the second ball bearing, so that an outer race of the first ball bearing is press fitted to the inner peripheral portion of the interior of the bearing holder and is axially spaced from the outer race of the second ball bearing. | 06-18-2009 |
| 20090152275 | VEHICLE WASHER TANK AND METHOD FOR PREPARING WASHER FLUID - A vehicle washer tank including a solid washer agent accommodated in the washer tank. The washer agent contains an undiluted washer fluid component and dissolves in water. | 06-18-2009 |
| 20090152057 | BRAKE DEVICE AND MOTOR WITH SPEED REDUCING MECHANISM - A brake device arranged between a drive shaft and a driven shaft arranged coaxially with the drive shaft is disclosed. The brake device includes a first rotor, a second rotor, an engagement member, a braking mechanism, and a cam mechanism. The braking mechanism includes a movable friction member rotatable integrally with the second rotor, a fixed friction portion, and an urging member that urges the movable friction member toward the fixed friction portion. When rotational force is provided from the drive shaft to the first rotor, the cam mechanism permits transmission of rotation of the drive shaft to the driven shaft. When the rotational force is provided from the driven shaft to the second rotor, the cam mechanism restricts rotation of the driven shaft. The cam mechanism is provided independently from the engagement member. | 06-18-2009 |
| 20090146526 | Short-circuit member assembly, commutator, and motor - A short-circuit member assembly for short-circuiting a plurality of segments arranged in a circumferential direction is disclosed. The short-circuit member assembly includes first and second short-circuit member groups that are superimposed with each other. The first short-circuit member group includes m first terminals, which are superimposed and joined with m first terminals included in the second short-circuit member group to form m first-terminal joint portions. The m first-terminal joint portions and the remaining first terminals in the short-circuit member groups are arranged in the circumferential direction and connected to the segments. All of the second terminals in the first short-circuit member group are superimposed and joined with all of the second terminals included in the second short-circuit member group. | 06-11-2009 |
| 20090146525 | Commutator and direct current motor - A segment center line is defined for each segment. Each segment center line extends from the center in the circumferential direction of the radially outer end of the segment to the center in the circumferential direction of the radially inner end of the segment. A portion of each segment center line where there is the center in the circumferential direction of the radially inner end is inclined in a first circumferential direction relative to the radial line. A short-circuit member has a plurality of connection pieces. Each connection piece has an outer short-circuit end, an inner short-circuit end, and a coupling portion. Each coupling portion links the outer short-circuit end to the inner short-circuit end, which is shifted in a second circumferential direction from the outer short-circuit end. | 06-11-2009 |
| 20090121574 | DIRECT CURRENT MOTOR - A direct current motor is disclosed. The motor includes a stator, a commutator, an armature core, and brushes. The stator has a yoke and magnetic poles. The magnetic poles are arranged at a predetermined pitch along a circumferential direction of the yoke. The number of the magnetic poles is represented by the expression: 2×P (P is an integer not less than 2). The commutator has segments that are arranged in a circumferential direction of the commutator. The number of the segments is represented by the expression: P×N (N is an odd number not less than 3). The armature core is rotatable integrally with the commutator and includes teeth provided by the number represented by the expression: 2×P×N. A coil is wound around the teeth by distributed winding. Each one of the brushes is pressed against and contacts the segments. Two of the segments that are electrically short-circuited by one of the brushes are connected to each other by at least two coils that are arranged at an interval corresponding to an integral multiple of the pitch (360°/(2×P)) of the magnetic poles. | 05-14-2009 |
| 20090115280 | EMBEDDED MAGNET TYPE MOTOR - A rotor of an embedded magnet type motor is disclosed. A rotor core of the motor includes first accommodation holes and V-shaped accommodation holes The first accommodation holes extend in radial directions, and the V-shaped accommodation holes protrude radially outward. The rotor core has grooves at positions corresponding to the first accommodation holes on the outer periphery of the rotor core. Each groove has a width as a dimension in the circumferential direction when viewed from the axial direction. Each first magnet has a width as a dimension in the circumferential direction when viewed from the axial direction. The width of the grooves is larger than the width of the first magnets. | 05-07-2009 |
| 20090115272 | Electric motor - A closer is configured into a generally cylindrical shape and is provided to a rotatable shaft of an electric motor to rotate integrally with the rotatable shaft relative to a housing. The closer is at least partially received in an opening of a bearing receiver of the housing, which receives a bearing. The closer has an opposed end surface, which is axially opposed to an outer end surface of the bearing and defines a lubricant holding space in cooperation with the outer end surface of the bearing, an inner peripheral surface of the bearing receiver and an outer peripheral surface of the rotatable shaft. A lubricant is applied to the outer end surface of the bearing. | 05-07-2009 |
| 20090100755 | OPENING/CLOSING DEVICE - A conductive movable body opens and closes an opening portion formed in a conductive opening forming body. The movable body has a front edge portion positioned in a front side in the closing direction of the movable body. The opening portion has an opposed edge portion opposed to the front edge portion. The sensor is arranged in a layout body corresponding to one of the opening forming body and the movable body, and is arranged in one of the front edge portion and the opposed edge portion. The sensor is capable of detecting a conductive object-to-be-detected on the basis of a change of a capacitance between a sensor electrode and the object-to-be-detected coming close to the sensor electrode. A guard electrode is provided between the layout body and the sensor electrode. An electric potential of the guard electrode is kept equal to an electric potential of the sensor electrode or kept at a fixed rate with respect to the electric potential of the sensor electrode. Accordingly, it is possible to prevent an improper operation of a capacitance type sensor in the opening and closing apparatus. | 04-23-2009 |
| 20090094773 | Wiper system - A wiper support shaft supports a wiper, which wipes a windshield glass. The wiper support shaft projects outward through an opening of a cowl louver that is placed on a vehicle front side of the windshield glass. A four-bar linkage drives the wiper support shaft to move the wiper support shaft in the opening of the cowl louver in such a manner that a wiping range of the wiper, which is installed to the wiper support shaft, changes on the windshield glass. A covering member is supported by the wiper support shaft at a location inside the cowl louver to limit direct viewing of the four-bar linkage through the opening of the cowl louver. | 04-16-2009 |
| 20090071280 | Geared electric motor - A housing is made of resin and receives a worm. A worm wheel is made of resin and is received in the housing to mesh with the worm. A support shaft includes a shaft portion and a boss portion. The shaft portion rotatably supports the worm wheel. The boss portion is made of metal and is fixed to the housing. The boss portion holds the shaft portion and includes a slidably engaging surface that slidably engages the worm wheel. | 03-19-2009 |
| 20090066179 | DIRECT CURRENT MOTOR - A slide surface of each segment defines a plane orthogonal to an axial direction of a direct current motor. A power supply brush is pressed against and contacted with the slide surface. The power supply brush includes a main brush and a sub-brush. The sub- brush has electrical resistance that is higher than that of the main brush. At least the main brush supplies an armature with power. The sub-brush is arranged more inward in the radial direction of the commutator than the main brush. | 03-12-2009 |
| 20090066171 | METHOD FOR MANUFACTURING ARMATURE CORE AND ARMATURE - An armature includes an armature core, a rotary shaft inserted into a shaft fixing hole of the armature core, and coils each wound about one of teeth of the armature core. The teeth extend radially. The armature core includes an inner core having the shaft fixing hole, and an outer core that is provided about and is integrated with the inner core. The inner core is formed by laminating a plurality of magnetic steel plates. The outer core is formed by compression molding magnetic powder, and includes the teeth. Accordingly, the armature core has a high mechanical strength and is capable of obtaining a high magnetic flux density. Also, the armature core is easy to manufacture. | 03-12-2009 |
| 20090058340 | Closure panel control apparatus - A controller computes a pinching amount of an object caused by a window glass. The controller estimates a prior pinching amount of the object caused by the window glass before the controller computes the pinching amount of the object. The controller confirms occurrence of the pinching of the object based on the computed pinching amount and the estimated prior pinching amount of the object. | 03-05-2009 |
| 20090058213 | Armature, dynamo-electric machine and manufacturing method of armature - A total number of windings in an armature is an even number. The windings are divided into a first winding group and a second winding group. The windings of the first winding group are arranged one after another at generally equal angular intervals without overlapping with each other. The windings of the second winding group are arranged one after another at generally equal angular intervals without overlapping with each other and are wound separately from the windings of the first winding group. | 03-05-2009 |
| 20090051513 | Closure panel control apparatus - A microcomputer executes initialization, which causes a memory of the microcomputer to store operational information of a window glass of a door therein in a state where no previous information is stored in the memory. The microcomputer cancels the initialization when an open state signal, which indicates an open state of the door, is outputted from a courtesy switch and/or a door closure. The microcomputer executes the initialization only when a close state signal, which indicates a close state of the door, is outputted from the courtesy switch and/or the door closure. | 02-26-2009 |
| 20090021190 | Closure panel control apparatus - In a closure panel control apparatus, an ECU controls a rotational speed of an electric motor, which provides a drive force to drive a closure panel in an opening movement and a closing movement thereof. The ECU obtains a vehicle speed measured with a vehicle speed sensor and receives a command signal from a switch, which is operable by an occupant of a vehicle to command the opening movement or the closing movement of the closure panel. The ECU controls the rotational speed of the electric motor based on the measured vehicle speed that is obtained at the time of receiving the command signal from the switch. | 01-22-2009 |
| 20090007362 | Wiper system for vehicle - A wiper motor has an output shaft, which is reciprocally pivoted forward and backward upon energization of the wiper motor and outputs a drive force for driving first and second wiper arms. A crank arm is integrally pivotably fixed to the output shaft. First and second connecting rods are pivotably connected to first and second connecting points, respectively, of the crank arm. A first lever arrangement is connected between the first connecting rod and the first wiper arm to reciprocally pivot the first wiper arm upon reciprocal movement of the first connecting rod. A second lever arrangement is connected between the second connecting rod and the second wiper arm to reciprocally pivot the second wiper arm upon reciprocal movement of the second connecting rod. | 01-08-2009 |
| 20090001832 | COMMUTATOR, DIRECT-CURRENT MOTOR, AND METHOD FOR MANUFACTURING COMMUTATOR - A commutator having a plurality of segments, a short-circuit member assembly, a holding portion, and a plurality of spacing members is disclosed. The short-circuit member assembly includes a plurality of short-circuit pieces. Each short-circuit piece has an outer terminal, an inner terminal arranged radially inward from the outer terminal and circumferentially offset from the outer terminal at a predetermined offset angle, and a connecting portion connecting the inner terminal to the outer terminal. The holding portion covers the segments and at least a portion of the short-circuit member assembly to hold the segments and the short-circuit member assembly. The spacing members each have an insulated support portion and a plurality of insulated spacing projections formed integrally with the support portion. Each support portion extends in a radial direction of the short-circuit member assembly. The spacing projections are arranged in the direction in which the corresponding support members extend in such a manner that the spacing projections are each provided between the corresponding circumferentially adjacent pair of the connecting portions. | 01-01-2009 |
| 20080307601 | Vehicle wiper device - An actuator for rotating an oscillating disk is mounted on a rear door. A pivot shaft provided with a lever is rotatably supported on a rear door glass. The lever is provided with a first elastic portion and second elastic portions. When the rear door glass is open, the first elastic member contacts the lever between the first restrictor and the lever. As a result, the rotation of the lever toward the outside of a first angle range by a first rotational force or less is restricted. The second elastic portion contacts the lever between the first restrictor and the lever even if the lever rotates toward the outside of a second angle range by a rotational force greater than the first rotational force. | 12-18-2008 |
| 20080304988 | Pump apparatus, assembling method of the same and washer system for vehicle - In a pump apparatus of a washer system, a closure member closes an opening of a motor housing and an opening of a circuit box. The closure member includes a plurality of terminal receiving holes. Each corresponding terminal is inserted through a corresponding one of the terminal receiving holes. One end of each terminal is placed at an interior part of the pump apparatus and is electrically connected to a corresponding one of a motor received in the motor housing and a control circuit received in the circuit box while the other end of each terminal is placed at the exterior part of the pump apparatus and forms a connection contact that is electrically connectable with a corresponding connection contact of an external connector. | 12-11-2008 |
| 20080301898 | Wiper system - A rear spoiler includes a depth end wall, which bounds an accommodation space, which accommodates a wiper blade upon positioning of the wiper blade in a stop position. A distance between the depth end wall and the wiper blade in the stop position measured in a direction generally parallel to a surface of a window glass, which is wiped by the wiper blade, is set such that the distance between the depth end wall and a first longitudinal side of the wiper blade, which is opposite from the pivot axis, is larger than the distance between the depth end wall and a second longitudinal side of the wiper blade, which is opposite from the first longitudinal side of the wiper blade. | 12-11-2008 |
| 20080297076 | Closure panel control apparatus - A controller prestores average moving speed data, which corresponds to respective corresponding positions of a window glass of a door driven by a motor at the time of the closing movement of the window glass, as learning data. The controller senses pinching of an object by the window glass based on the learning data and the speed measurement signal obtained at the time of the closing movement of the window glass. The controller senses a disturbance when the speed measurement signal obtained at the time of the closing movement of the window glass exceeds a predetermined value. The controller updates the learning data based on the average moving speed data at the time of the closing movement of the window glass. The controller controls execution and non-execution of updating of the learning data in response to a close state and an open state of the door. | 12-04-2008 |
| 20080296985 | Brushless motor - In a brushless motor, a stator includes an annular core member. A rotatable shaft is placed radially inward of the core member and extends in an axial direction. A rotor is supported by the rotatable shaft. A centerpiece supports the core member and includes a center portion, which is placed radially inward of the core member. A platy vibration absorbing member connects between the core member and the center portion of the centerpiece and damps circumferential vibrations transmitted from the core member. | 12-04-2008 |
| 20080293310 | Short-Circuit Member, Commutator, Armature, and Method for Manufacturing Short-Circuit Member - The number of conductor members in a first conductor member group and the number of conductor members in a second conductor member group are equal to each other and are odd numbers. An inner terminal of each conductor member is displaced from an outer terminal of the same conductor member by 90 degrees with respect to the circumferential direction of the corresponding conductor member group. Each outer terminal of the first conductor member group is displaced from a corresponding one of the outer terminals of the second conductor member with respect to the circumferential direction of the first conductor member group. | 11-27-2008 |
| 20080289136 | Wiper strip, wiper blade and designing method of wiper strip - A relationship between a thickness of a water film at a location of a maximum pressing pressure and a maximum pressure gradient value is deduced. Each corresponding design factor of a wiper blade is determined based on this relationship, and the wiper blade is manufactured. In this way, at the wiper blade, a thickness of the water film right after wiping falls in an appropriate range. | 11-27-2008 |
| 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 |
| 20080282491 | MOTOR DEVICE AND WIPER APPARATUS - A sectoral reduction gear is arranged between a motor portion and a link mechanism. The sectoral reduction gear rotates in a reciprocating manner in a predetermined angle range on the basis of a forward rotation and a reverse rotation of the motor portion. An outer periphery of the sectoral reduction gear defines an imaginary circle. An inner region of the imaginary circle has an operating range in which the sectoral reduction gear, which rotates in a reciprocating manner, passes, and a non-operating range, in which the sectoral reduction gear does not pass. As seen from an axial direction of an output shaft, a part or the whole of the output shaft is arranged in the non-operating range. | 11-20-2008 |
| 20080280469 | Short-circuit member, commutator, armature, and method for manufacturing short-circuit member - The number of conductor members in a first conductor member group and the number of conductor members in a second conductor member group are equal to each other. An inner terminal of each conductor member is displaced from an outer terminal of the same conductor member with respect to the circumferential direction of the corresponding conductor member group. Each outer terminal of the first conductor member group is displaced from a corresponding one of the outer terminals of the second conductor member with respect to the circumferential direction of the first conductor member group. | 11-13-2008 |
| 20080265706 | EMBEDDED MAGNET TYPE MOTOR - An embedded magnet type motor is disclosed. The rotor core of the motor has radially extending first accommodation holes and V-shaped accommodation holes. Each V-shaped accommodation hole includes a second accommodation hole and a third accommodation hole. A first gap is formed in each first accommodation hole. The first gap is not occupied by the corresponding first magnet. A second gap is formed in each second accommodation hole. The second gap is not occupied by the corresponding second magnet. A third gap is formed in each third accommodation hole at a radially outer portion. The third gap is not occupied by the corresponding third magnet. Each second gap and the adjacent third gap form one V-shaped gap. The angular width θa of each first gap and the angular width θb of each V-shaped gap are determined to satisfy the expression: 0.60<θa/θb<1.60. | 10-30-2008 |
| 20080258574 | DIRECT CURRENT MOTOR - A direct current motor including a rotor, a stator, a brush holder, and a brush. The rotor includes a core, a plurality of commutator segments, and a plurality of segment coils. The core has a plurality of teeth arranged along a circumferential direction of the rotor. A slot is formed between adjacent ones of the teeth in the circumferential direction. The plurality of commutator segments are arranged along the circumferential direction of the rotor inward from the plurality of teeth in the radial direction of the rotor. Each segment coil includes a plurality of segment conductors electrically connected to each other. The plurality of segment conductors in each segment coil extends through the slots along the axial direction of the rotor. | 10-23-2008 |
| 20080246360 | DIRECT CURRENT MOTOR - A slide surface of each segment defines a plane orthogonal to an axial direction of a direct current motor. A power supply brush is pressed against and contacted with the slide surface. The power supply brush includes a main brush and a sub-brush. The sub-brush has electrical resistance that is higher than that of the main brush. At least the main brush supplies an armature with power. The sub-brush is arranged more inward in the radial direction of the commutator than the main brush. | 10-09-2008 |
| 20080245636 | CLUTCH, MOTOR DEVICE, AND VEHICLE DOOR OPENING AND CLOSING APPARATUS - When a drive shaft is in a non-drive state, a second drive rotor is in a non-engaged state with a driven rotor with respect to its own rotating direction. When the drive shaft is in a drive state, a rotating force of a first drive rotor is transmitted to the second drive rotor through an urging member. As a result, a power transmitting member revolves, and a centrifugal force arranges the power transmitting member at a second clamping position. The second drive rotor receives a reaction force from a driven rotor via the power transmitting member. As a result, the second drive rotor is relatively rotated in an opposite direction to a rotating direction of the first drive rotor with respect to the first drive rotor, against an urging force of the urging member. As a result, the first drive rotor is engaged with the driven rotor with respect to its own rotating direction. Accordingly, the clutch is stably operated. | 10-09-2008 |
| 20080234894 | CONTROL APPARATUS FOR OPEN/CLOSE MEMBER AND METHOD FOR CONTROLLING OPEN/CLOSE MEMBER - An apparatus that controls opening and closing of a roof glass is disclosed. The apparatus includes a drive motor that is actuated to selectively open and close the roof glass. The apparatus stores a count value that changes in correspondence with operation of the drive motor. The apparatus detects the number of cycles of reset starting and determines whether the detected number of the reset starting cycles is in a predetermined acceptable range. The apparatus switches initial setting, in accordance with which the relative relationship between the actual open/closed position of the roof glass and the count value is determined, to a non-set state if it is determined that the number of the reset starting cycles exceeds the acceptable range. | 09-25-2008 |
| 20080231137 | Armature, dynamo-electric machine and winding method - A coil of a winding is wound around teeth of an armature core for a predetermined number of times in a motor. A start lead of the winding connects between the coil and a corresponding start segment among a plurality of segments of a commutator. A finish lead of the winding connects between the coil and a corresponding finish segment among the plurality of segments. The finish segment is located adjacent to a diametrically opposed one of the plurality of segments, which is circumferentially displaced by about 180 degrees from the start segment and is thereby diametrically opposed to the start segment. | 09-25-2008 |
| 20080229537 | VEHICLE WIPER/WASHER CONTROL APPARATUS AND VEHICLE WIPER/WASHER APPARATUS - If a washer switch is turned on in a state in which a wiper determining portion determines that a wiper switch is in an OFF state, and a vehicle speed determining portion determines that a vehicle speed is equal to or more than a predetermined speed, a simultaneous operation control portion ejects the washer fluid in a state in which the wiper is positioned at a lower reversing position. The simultaneous operation control portion causes the wiper to reciprocate at least once simultaneously with the ejection. The simultaneous operation control portion additionally ejects the washer fluid at least once, in a state in which the wiper is positioned at an intermediate position between the lower reversing position and an upper reversing position. Accordingly, it is possible to inhibit a lack of the washer fluid from being generated on the surface to be wiped. | 09-25-2008 |
| 20080218160 | Sensor magnet device, gear mechanism and speed reducing electric motor - In a speed reducing electric motor, a speed reducing gear unit has a sensor magnet device, which is fixed to a worm wheel and includes an inner ring magnet, an outer ring magnet and connecting portions. The inner ring magnet is placed along a predetermined first imaginary circle. The outer ring magnet is placed along a predetermined second imaginary circle, which is coaxial with the first imaginary circle and has a diameter that is smaller or larger than that of the first imaginary circle. The connecting portions connect between the inner ring magnet and the outer ring magnet. The sensor magnet device is fixed to the worm wheel by a magnet fixing structure. | 09-11-2008 |
| 20080218009 | Brushless motor and manufacturing method thereof - A centerpiece rotatably supports a rotatable shaft therein. A stator core is placed radially outward of the centerpiece. A generally cylindrical vibration isolator is made of a resilient material and is radially placed between the centerpiece and the stator core. | 09-11-2008 |
| 20080203847 | Planar commutator, rotor and direct current electric motor - In a direct current electric motor, segment pieces of a commutator are generally planar and are arranged one after another in a circumferential direction about a rotational axis of the commutator. A slidably engaging surface of each segment piece, which is slidably engageable with a plurality of brushes of the motor, extends in a plane that is generally perpendicular to the rotational axis, and each segment piece includes a radially inner engaging portion at a radially inner end part of the segment piece. Each conductive line extends along a corresponding straight line and electrically interconnects between the radially inner engaging portions of corresponding two of the plurality of segment pieces to implement the same electric potential in the corresponding two of the plurality of segment pieces. | 08-28-2008 |
| 20080203836 | DIRECT CURRENT MOTOR - A gear housing accommodates a worm shaft. A brush holder includes a base member and a retaining member loosely fitted to the base member. The base member is located between the gear housing and the retaining member. The retaining member retains a first brush and a second brush. The retaining member has a pair of positioning poles, and the gear housing has a pair of positioning projections. The positioning poles and the positioning projections are engaged with each other so as to prevent the retaining member from being moved in a direction perpendicular to the axial direction of the rotary shaft. | 08-28-2008 |
| 20080203833 | BRUSH HOLDER - 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 choke coil is electrically connected to a first brush. The first choke coil includes a first coil terminal extending to the outside of the first coil retaining portion. The base member includes a connector portion, a first conductive member, and a first coil terminal support portion. The first conductive member extends from the connector portion and is electrically connected to the first coil terminal at a first connecting portion. The first coil terminal support portion supports the first coil terminal between the first connecting portion and the first coil retaining portion. | 08-28-2008 |
