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Match Document Document Title
US20140086766 Electrically Driven Motor and Electrically Driven Pump  
In an electrically driven motor and an electrically driven pump using the electrically driven motor which can reduce a cogging torque in a simple structure not using a magnetized skew, the...
US20080265702 Permanent magnetic brushless motor with length adjustable air gap based on load  
A permanent magnetic brushless motor with a length adjustable air gap comprises: a body; a stator secured to one end of the body; a spindle pivotally installed to the body; a part of the spindle...
US20050121996 Electric drive for a radial impeller  
An electric drive for a radial impeller comprises a magnetized rotor and at least one flat stator. The magnetized rotor comprises magnetic means rigidly fixed with the radial impeller. The flat...
US20140076668 ELECTRIC MOTOR, HOISTING MACHINE AND ELEVATOR SYSTEM  
An electric motor, a hoisting machine and also an elevator system are disclosed. The electric motor includes a stator, which stator includes slots, into which slots a concentrated winding is...
US20110116943 STATOR STRUCTURE, AND MOTOR AND FAN ASSEMBLY USING SAME  
A fan assembly includes a stator and a rotor. The stator is located in a fan frame and includes a base, at least one magnetizing winding provided on the base at a first relative position relative...
US20070194649 Electric camshaft adjuster comprising a pancake motor  
An electric camshaft adjuster for adjusting and fixing the phase angle of a camshaft of an internal combustion engine relative to a crankshaft thereof is provided. The camshaft adjuster is...
US20090127959 ELECTRICAL DIRECT DRIVE FOR A ROLLER  
An electrical roller drive which can be connected to a roller includes a disk-type motor with a secondary part in the form of a disk and with a primary part in the form of a disk.
US20060273676 Axial gap motor  
An axial gap motor may benefit from a reduction of axial force on the rotor, which may reduce load on the rotor and bearings and reduce the vibration on the surface of the rotor. An air gap is...
US20080157618 Axial induction motor structure  
An axial induction motor structure including a case, a rotor, and a stator is provided. The rotor is pivoted on the case by a shaft and includes a ring-magnetic section. The ring-magnetic section...
US20090072649 BRUSHLESS ELECTRIC MOTOR  
The invention relates to a brushless electric motor, comprising a stator and an armature with armature teeth and permanent magnets in accumulative order, the armature being made from a laminated...
US20080203848 Electrical Motor/Generator Having A Number Of Stator Pole Cores Being Larger Than A Number Of Rotor Pole Shoes  
The present invention relates to an electrical multipole motor/generator or electrical machine with axial magnetic flux, wherein the machine has a number of stator pole cores being larger than the...
US20120286613 ASYMMETRIC STATOR TEETH IN AN ELECTRIC MOTOR  
A permanent magnet motor includes a permanent magnet rotor, a stator surrounding the rotor having a plurality of teeth radially inwardly oriented toward a longitudinal axis of the stator wherein...
US20070138904 Flat-type single phase brushless DC motor  
A flat-type single phase brushless direct current (BLDC) motor includes a rotor rotatably fixed to a shaft and having a permanent magnet attached to a lower side thereof; a stator plate installed...
US20130154449 Disk-shaped multi-combined three-dimensional permanent magnet motor  
A disk-shaped multi combined three-dimensional permanent magnet motor is provided. Two independent disk-shaped stators are respectively provided on a left side and a right side in a shell. A...
US20120126653 AXIAL-FLUX THIN-PLATE MOTOR  
An axial-flux thin-plate motor is disclosed, which includes: a stator formed of an annular disk of silicon steel and comprising a plurality of teeth formed on one side of the annular disk, a...
US20080278019 Magnetic Force Rotation Device  
A magnetic force rotation device includes a rotor and a stator. The rotor is provided with a plurality of magnetic assemblies containing permanent magnet. The plurality of magnetic assemblies are...
US20090251112 Permanent magnet electric generator with variable magnet flux excitation  
A permanent magnet (PM) electric generator with directly controllable field excitation control comprises: a drive shaft; a PM rotor assembly with multiple PMs arranged around an outer axial...
US20140077666 AXIAL GAP TYPE ELECTRIC ROTATING MACHINE, ELECTRIC WHEELCHAIR AND ELECTRIC BICYCLE  
An axial gap type electric rotating machine is disclosed. The rotating machine includes a rotor arranged to rotate about an axis of rotation, and a stator arranged so as to face the rotor with a...
US20150263572 OPTIMIZED ELECTRIC MOTOR WITH NARROW TEETH  
The present disclosure relates to a mono- or polyphase electric motor including a stator carrying at least three coils and consisting of 12√óN straight teeth extending radially, N being an integer...
US20080252164 Variable speed motor  
Shift gears of a variable speed motor is no longer needed for a set of gears, but multiple layers disks with magnets fit over an axle rotated by a multiple layers annular opening of a housing,...
US20140265700 PERMANENT MAGNET ELECTRICAL MACHINES AND METHODS OF ASSEMBLING THE SAME  
An electric machine comprising a permanent magnet rotor assembly is provided. The electric machine comprises a permanent magnet rotor assembly comprising a plurality of permanent magnets coupled...
US20150244213 THIN AXIAL GAP MOTOR  
A thin axial gap motor includes: a base, a circuit unit installed on the base; a stator module including at least one flat permeable frame and at least one winding, and the permeable frame having...
US20110037335 AXIAL MOTOR  
The present invention relates to an axial motor, and more specifically, to an axial motor which has a simple structure and is easily assembled by inserting and holding core teeth in core teeth...
US20110241468 ROTARY ELECTRIC MACHINE  
A rotary electric machine configured with a stator, rotor, and permanent magnets disposed in an inverted V-shape that becomes gradually narrower from a side of a center of rotation of the rotor....
US20110110800 FAN AND THREE-PHASE MOTOR THEREOF  
A three-phase motor includes a bearing structure, a rotor structure and a stator structure. The bearing structure has a bushing. The rotor structure has a shaft disposed in the bushing. The stator...
US20080061649 Axial gap motor and method for manufacturing the same  
Disclosed is an axial gap motor in which a stator and a rotor are arranged parallel to a rotating shaft. More particularly, an axial gap motor, which can be easily manufactured and achieve an...
US20120153762 SYNCHRONOUS MOTOR WITH PERMANENT MAGNETS  
The invention relates to a synchronous motor with permanent magnets comprising a rotor (110) provided with permanent magnets a winding (120) formed by overlapping coils located inside a slotless...
US20130009508 AXIAL GAP TYPE BRUSHLESS MOTOR  
Disclosed is a brushless motor (1A) which is an axial gap type brushless motor (1A) wherein stators (3A, 4A) comprising a coil (41) and a rotor (2) comprising a permanent magnet (23) are arranged...
US20070290582 AXIAL AIR-GAP TYPE MOTOR  
An axial air-gap type motor includes a rotor having a magnet, a stator, having an accommodating space therein, separated from the magnet in an axial direction of the motor by an air gap, and a...
US20060028093 Axial-gap dynamo-electric machine  
A stator for use in an axial-gap dynamo-electric machine. The stator core may be fabricated from a plurality of stator core elements each of which may be arranged to form teeth portions on a rotor...
US20100033051 ROTOR AND PERMANENT-MAGNET ROTATING ELECTRICAL MACHINE  
A permanent-magnet rotating electrical machine includes a stator with an armature coil and a rotor arranged to rotate with a predetermined air gap with respect to the stator. The rotor includes a...
US20130147302 ROTOR BARRIER SHAPING FOR DEMAGNETIZATION MITIGATION IN AN INTERNAL PERMANENT MAGNET MACHINE  
A rotor core for an Internal Permanent Magnet (IPM) machine includes a cavity having a magnet disposed therein. The cavity defines an air slot adjacent a radially outermost edge of the magnet...
US20080238226 STATOR AND GAP WINDING MOTOR USING THE SAME  
A so-called gap winding motor capable of preventing a rotation detector from being affected by noise generated by a stator coil connection portion and decreasing the size and cost is provided. The...
US20080315699 PM stepping motor  
A PM stepping motor includes: a stator assembly composed of two stator units which are axially coupled to each other with a molding resin material, and each of which includes: inner and outer...
US20110133596 Rotor, Axial Gap Type Motor, Method of Driving Motor, and Compressor  
A technique of employing a rotor having anti-saliency and being rotatable about a predetermined axis in an axial gap type motor is provided. A plurality of magnets are disposed annularly on a...
US20150262610 SPINDLE MOTOR FOR HARD DISK DRIVE AND METHOD OF FABRICATION THEREOF  
A spindle motor for a hard disk drive includes a base and a bearing assembly coupled to the base. The bearing assembly includes a sleeve configured to rotatably support a shaft therein. A rotor...
US20140265678 ENERGY CONVERTING DEVICE HAVING AN ECCENTRIC ROTOR  
An energy converting device having an eccentric rotor includes a fixed portion and an eccentric rotor. This fixed portion has a central axis, an outer frame, and several fixed coil portions. The...
US20090230695 General purpose engine  
A general purpose engine is provided with an engine main body, a rotary shaft, and an axial gap type motor/generator. The rotary shaft is rotated by a driving force of the engine main body. The...
US20130201812 SPINDLE MOTOR AND DISK DRIVE APPARATUS  
A spindle motor includes a flat stator, a rotor magnet arranged above the stator, and a magnetic portion made of a ferromagnetic material. The magnetic portion is positioned lower than the stator...
US20140042859 Axial Gap Rotating Electrical Machine  
An axial-gap rotating electrical machine in which the distance of the air gap between a rotor and a stator can be accurately controlled is provided. A large diameter portion and a small diameter...
US20140062246 ROTOR MAGNET POSITIONING DEVICE  
A device for positioning a planar array of magnets within a permanent magnet electrical machine of the type having a rotor and stator with an air gap there between. The device includes a body made...
US20140175931 AXIAL FLUX PERMANENT MAGNET MOTOR  
An axial flux permanent magnet motor includes a shaft, a rotor extending from the shaft in a radial direction, the rotor being rotatably mounted on the shaft, a magnet part disposed on the rotor...
US20090072639 Segmented composite rotor  
A composite rotor for an axial airgap, permanent magnet dynamoelectric machine comprises a plurality of magnet subassemblies adhesively bonded together to form the rotor. Each magnet subassembly...
US20080100174 Motor having stator with generally planar windings  
An electric motor features liquid cooling capability. A rotor and a secondary rotor are coupled to a shaft for rotation therewith. The rotor comprises a first annular member and magnets secured to...
US20130134818 THREE-PHASE AXIAL FLUX MOTOR AND MAGNETIC PATH ADJUSTING METHOD THEREOF  
A three-phase axial flux motor is disclosed. The axial flux motor includes a stator, a rotor and a driving unit. The stator includes three coils. The rotor is pivotally disposed on the stator and...
US20130285483 AXIAL FLUX PERMANENT MAGNET MOTOR  
Disclosed herein is an axial flux permanent magnet (AFPM) motor including: a stator including a stator core, a magnet wire wound around the stator core, a shaft, and a stator core supporting...
US20100143164 FAN MOTOR STRUCTURE  
A fan motor structure is provided. A fan is disposed within an accommodating hole at a center of a body. A permanent magnet and a printed circuit board (PCB) provided with plural coils are...
US20070024143 Roatary electric machine with permanent-magnet rotor  
The machine (1) comprises: a rotor (2) with a permanent magnet (5), for producing an annular distribution of magnetic polarities (N, S) of angularly alternating sign about the axis of rotation...
US20060091743 Compact and efficiently cooled fan motor  
A rotor magnet 10 and a stator opposing each other are accommodated in a cylindrical fan boss. Groove-like radial ventilation paths are formed on the rotor magnet and fan boss holes are formed in...
US20070080598 Electric rotary machine  
In an electric rotary machine of an axial gap type, at least one rotor including a rotor coreis provided, at least one stator is provided the at least one stator facing one surface of the at least...

Matches 1 - 50 out of 92 1 2 >