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US20080024019 |
Motor
A motor includes a stator having a stator core wound by a coil and a vibration-absorbing member provided between the coil and the stator core. |
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US20100231064 |
BALANCE RING FOR A VEHICULAR ELECTRIC MACHINE
An electric machine for deployment in a vehicle, with the electric machine having a housing is provided. The electric machine comprises a stator assembly coupled to the housing, and a rotor... |
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US20110121668 |
PERMANENT MAGNET ROTOR, AND ROTATING MACHINE COMPRISING SUCH A ROTOR
A rotor for rotating an electric machine having permanent magnets and flux concentration, including a shaft extending along the rotational axis of the rotor, a rotor body placed on the shaft, the... |
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US20050006962 |
Rotational balance structure for motor
A motor includes a base, a stator mounted on the base, a rotor having a bottom end face, a metal ring mounted to the bottom end face of the rotor, and a balancing magnetic ring. The stator creates... |
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US20070132335 |
Rotor assembly having a reduced back portion and a method of manufacturing same
A rotor for an electric machine having a number of poles includes a shaft that extends along a portion of an axis and defines an outer surface. A first core portion extends along a portion of the... |
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US20070267924 |
VIBRATION DAMPING ROTOR ASSEMBLY FOR ROTATING MACHINERY
A rotor for a motor having a rotor core length includes a shaft including a cylindrical portion and a shaft sleeve having a cylindrical opening. The shaft sleeve is coupled to the shaft such that... |
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US20160322880 |
LAMINATED-BARREL STRUCTURE FOR USE IN A STATOR-TYPE POWER GENERATOR
A laminated-barrel structure for use in a permanent-magnet power-generation system is described. The structure includes a rigid outer ring, a rigid inner ring being concentric with and positioned... |
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US20060113850 |
Noise filter and motor
A noise filter has a substrate, which is formed with a through hole for letting a power supply line pass, and has a first conductor pattern located near the through hole and adapted to be... |
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US20070001523 |
Magnetic-positioning motor and fan
The invention provides a magnetic-positioning motor having a magnetic element or magnet disposed at the interior center of a rotor, so that attractive force between the magnetic element and a... |
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US20050200211 |
Spindle motor and stator structure thereof
A spindle motor includes a stator structure and a rotor structure enclosing the stator structure. The stator structure has a stator base, a magnetic conductive structure surrounding the stator... |
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US20140091649 |
ELECTROMAGNETIC INTERFERENCE SHIELD AND BALANCE RING FOR ELECTRICAL MACHINE
An electrical machine including a stator and a rotor assembly. The rotor assembly defines a rotational axis and has a rotor core wherein the rotor core defines first and second axial end surfaces.... |
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US20060181159 |
Machine tool and arrangement for the throughflow collant
The invention is based on a power tool, in particular a handheld electric power tool, having a housing (10) with a coolant duct arrangement, having through openings (14), for a cooling medium for... |
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US20080088187 |
Electric Motor with Reduced EMI
An electric motor particularly suited for a hybrid electric automotive vehicle. The motor includes a stator housing and a rotor having a core and rotatably mounted to the housing by a bearing... |
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US20070210654 |
Motor
An object of the present invention is to provide a motor capable of enhancing the balance correction effect and capable of keeping the balance correction effect for a long term. In a rotary unit,... |
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US20070013247 |
COOLING FAN WITH DAMPING STRUCTURE SUPPORTING A SHAFT OF THE COOLING FAN
A cooling fan includes a fan frame (10) having a central tube (12) defining a central hole (120) therein, a bearing (30) received in the central hole and a rotor (20) being rotatable with respect... |
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US20110089782 |
ROTOR FOR ELETROMOTOR USING PERMANENT MAGNETS
A rotor for an electromotor using permanent magnets is provided. The rotor may include one or more C-type permanent magnets, a core, and a rotor shaft. Each of the one or more C-type permanent... |
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US20070188026 |
Damping structure for a rotor assembly of a motor
A damping structure for a rotor assembly includes holes defined in a rotor and in a side board respectively and damping elements inserted into the holes of the rotor to be located between the... |
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US20070096588 |
ROTARY SUPPORT WITH ELASTIC CONNECTION DEVICE FOR INSTALLATION OF ELECTRIC MACHINES IN TUBES
Torque transmission between a tube and a drive unit mounted in the tube is ensured with the aid of a component which is optimized for installation while providing a sufficient centering effect. A... |
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US20060181161 |
Actuator device
The actuator device includes: a case having a motor housing unit and a gear housing unit; a motor housed in the motor housing unit; and an output gear rotatably housed in the gear housing unit of... |
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US20090058202 |
Rotor of brushless direct-current motor
A permanent magnet rotor of a brushless direct current (BLDC) motor, in which cogging torque ripple and electromagnetic vibration noise transferred to the permanent magnet rotor can be blocked and... |
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US20090015080 |
Synchronous Machine Using the Fourth Harmonic
The invention relates to a permanently excited synchronous machine and a method for the suppression of harmonics. The permanently excited synchronous machine (51) comprises a stator (53) and a... |
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US20150162798 |
BRUSHLESS MOTOR
A brushless motor includes a stator 11 which forms a rotating magnetic field, a rotor 12 which is rotated by the rotating magnetic field, a motor case 13 to which the stator 11 is attached, a... |
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US20130257189 |
BALANCED ROTOR FOR A ROTATION MACHINE, AND METHOD FOR BALANCING A ROTOR
A balanced rotor and a method for balancing a rotor for a rotation machine are described, such as an electric motor. The rotor has at least one disk-shaped rotor body which has magnet elements in... |
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US20080122303 |
DIRECT-CURRENT MOTOR AND MANUFACTURING METHOD FOR THE DIRECT-CURRENT MOTOR
A direct-current motor includes a stator having a magnetic field system, a rotor disposed around the stator, a commutator which rotates together with the rotor, and power supply brushes which are... |
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US20070188027 |
Motor
A motor includes a yoke housing, an armature, a commutator, a brush, a brush holder, and a yoke side joining part. The yoke housing has an opening. The armature is received by the yoke housing.... |
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US20160229386 |
TRANSMISSION ASSEMBLY WITH ELECTRICAL NOISE REDUCTION AND METHOD OF MAKING AND USING THE SAME
A number of variations may include a transmission assembly comprising a housing and a plurality of components within the housing comprising a drive motor that emits electromagnetic interference, a... |
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US20070013239 |
Spindle motor
Provided is a spindle motor. The spindle motor includes a rotor and a stator. The rotor includes a yoke and a flange formed to protrude from an outer perimeter of the yoke. The stator interacts... |
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US20090236920 |
SYSTEMS AND METHODS INVOLVING OPITMIZED MOTORS
A motor comprising, a rotor having a shaped pole operative to minimize cogging torque and electro motive Force (EMF) harmonics, a stator having teeth members, the teeth members including, end... |
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US20150200579 |
MOTOR ROTOR AND METHOD FOR MANUFACTURING THE SAME
Embodiments of the invention provide a motor rotor including a shaft, a rotor core having the shaft coupled thereto, and a balancing part formed integrally with the rotor core and the shaft,... |
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US20060250043 |
Portable handheld power generator
A portable handheld electrical power generator for general consumption by household electronic devices is disclosed. The portable handheld power generator provides a magnet reinforcing ring and an... |
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US20070001522 |
Vibration-damping receiving element
The present invention relates to a device for the elastic, vibration-damping accommodation of an assembly with respect to a mounting fixed to a frame, having at least one elastic element that is... |
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US20150214791 |
STATOR CORE AND SPINDLE MOTOR INCLUDING THE SAME
There are provided a stator core and a spindle motor including the same. The stator core includes a core back having a ring shape; a plurality of buffer members adhered to an outer peripheral... |
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US20090212646 |
BALANCE MEMBER, MOTOR, AND DISK DRIVE APPARATUS
A balance member includes a first arc-shaped portion extending in a circumferential direction about a predetermined central axis, and a second arc-shaped portion having an end portion opposing and... |
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US20060250033 |
Rotating electrical machine comprising a ventilator
The invention relates to a rotary electrical machine which comprises a stator and a rotor, the rotor having zones which are arranged for balancing operations to be performed on them, together with... |
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US20130342038 |
FASTENING DEVICE FOR AN ARMATURE LAMELLA STACK
Fastening device (1) for an armature lamella stack (2) of a DC motor, characterized in that the fastening device (1) is disposed between the armature lamella stack (2) and a shaft (3) of the DC... |
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US20080197723 |
ELECTRIC MOTOR
An electric motor includes a rotation shaft, a commutator fixed to the rotation shaft, an armature provided with armature coils electrically connected to the commutator, the armature rotatably... |
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US20140225373 |
ELECTRIC MACHINE WITH DAMPENING MEANS
An electric machine includes a support frame, an outer rotor, a stator, and a dampening mechanism. The outer rotor and the stator are supported to the support frame, and the dampening mechanism is... |
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US20140103756 |
SELF-SUPPORTING HOUSING OF A DYNAMOELECTRIC MACHINE
A self-supporting housing of a laminated core of a stator in a dynamoelectric machine has a laminated core section surrounding the laminated core which is formed by axially stacked sheets and... |
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US20070262661 |
Miniature Bipolar Single-Phase Generator
The present invention provides a miniature bipolar single-phase generator composed of a rotor (1) and a stator (2), with two sets of damping windings arranged on the core of the rotor (1). Each of... |
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US20050127761 |
Axial gap type single-phase brushless motor
By using a small cogging torque generation means, having a simple, thin and small constitution that can maintain strength and cause a rotor to stably stop at a prescribed position. An axial... |
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US20080211329 |
Electric motor
The invention relates to an electric motor, particularly a spindle motor used for driving storage disks in hard disk drives, having a stationary bearing part (14), a shaft (16) rotatably supported... |
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US20080073983 |
RESILIENT MOTOR MOUNTING SYSTEM AND METHOD OF USE
A resilient motor mounting system for use with electric motors including a resilient motor mount including at least two resilient vanes moveable between a collapsed position and an extended... |
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US20160218585 |
ELECTRIC POWER GENERATION AND BRAKE DEVICE
An electric power generation and brake device disposed on a shaft includes: a wheel installed to the shaft and including a magnet; a stator unit installed to the shaft and including a stator body,... |
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US20080116756 |
MOTOR
A motor includes a bushing, a stator, a rotor and a magnetic body. The stator is telescoped to the bushing. The rotor has a shaft and a magnetic element. The shaft is disposed in the bushing, and... |
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US20140097711 |
ONE PIECE ROTOR HUB/SHAFT FOR AN ELECTRIC MACHINE AND METHOD
A one piece rotor hub/shaft includes a hub portion having an outer annular surface, an axial end integrally formed with the outer annular surface, and a shaft section extends from, and is... |
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US20130140921 |
SPINDLE MOTOR
There is provided a spindle motor including a rotor hub having a driving magnet mounted on an internal surface thereof; and a pulling plate fixedly installed on a base member to be disposed below... |
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US20100084930 |
SPINDLE MOTOR
A spindle motor is disclosed that is capable of mitigating vibration caused by eccentricity of a disk and a turn table due to optimization of a cross-sectional area occupied by balls relative to... |
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US20070170788 |
Method and device for altering the vibration characteristic of a motor system
The invention relates to a method for operation of a motor system (1), or a motor system (1), comprising an electrical motor (2) and an add-on module (3), whereby the add-on module (3) is mounted... |
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US20070080597 |
Motor and manufacturing method thereof
A motor includes an annular magnet and an annular core. The annular core is placed radially inward of the annular magnet and includes a plurality of annular core segments. At least one of axially... |
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US20070080593 |
Bearing sleeve
A compliant bearing sleeve resides between a bearing and a bearing seat, thus opening tolerance requirements, and providing thermal and mechanical insulation of the bearing from the bearing seat.... |