Matches 1 - 50 out of 90 1 2 >


Match Document Document Title
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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....

Matches 1 - 50 out of 90 1 2 >