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US20120207588 Portable Hydro Electric Generator  
The invention provides a self-contained generator which converts the gravitational potential energy of water into electrical power, while continually replenishing its water reservoir. The Hydro...
US20120153761 Base assembly for motor and motor including the same  
There is provided a base assembly for a motor, including: a base member having a shaft system of the motor mounted therein; a pulling plate bonded to the base member to prevent excessive floating...
US20130315759 ELECTRIC MOTOR AND FUEL PUMP USING THE SAME  
An electric motor has multiple core portions, multiple bobbins covering the respective core portions, and multiple coil windings wound on the respective core portions and bobbins. Each of the...
US20120274185 MOTOR ROTOR AND MOTOR  
A motor with rotation detector includes a rotary shaft, a core part placed around the shaft and provided with axially extending through holes, permanent magnets individually mounted in the through...
US20140368074 MOTOR INCLUDING FLEXIBLE PRINTED CIRCUIT BOARD STATOR  
A motor having a compact and lightweight design may include a stator provided by a flexible printed circuit (flex circuit). The flex circuit may include a plurality of etched windings that provide...
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...
US20120038168 POWER GENERATOR AND WIND POWER GENERATION SYSTEM  
This power generator is so formed that a number q of slots per pole per phase obtained by dividing the number of slots by the number of poles of permanent magnets and the number of phases of...
US20140191602 Electric Motor Systems and Methods  
Electric motor systems and methods may provide highly efficient operation. The electric motor systems and methods discussed herein provide an oil filled motor that is low speed and utilizes...
US20100084937 MOTOR WITH LOBED ROTOR HAVING UNIFORM AND NON-UNIFORM AIR GAPS  
A motor having a rotor including first outer surface segments providing uniform air gaps and second outer surface segments providing non-uniform air gaps. The rotor has an outer surface contour...
US20110002796 DC Motor with Cup-Shaped Stator and DC Fan Formed From The DC Motor  
A DC motor includes a rotor, a cup-shaped stator, and a drive control unit. The cup-shaped stator includes a cylindrical winding portion surrounding the rotor. The cylindrical winding portion...
US20140203680 Easy-to-Start Motor and a Base Thereof  
An easy-to-start motor includes a base, a stator and a rotor. The base has a plastic member and a metallic induction member wrapped with the plastic member. The metallic induction member includes...
US20130015020 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...
US20150061441 ELECTRIC MACHINE AND ASSOCIATED METHOD  
An electric machine includes a machine housing and a stator disposed at least partially within the housing. The electric machine also includes a radially embedded permanent magnet rotor disposed...
US20150214795 MAGNETIC POWER GENERATOR FOR HYBRID VEHICLE AND/OR ELECTRIC POWER PLANT  
A magnetic generator may be disclosed. The magnetic generator may include one or more permanent magnets which may function in one or more ways in combination with a dielectric elastomer to...
US20150084465 ROTARY ELECTRIC MACHINE, ELECTRIC MOTOR, MACHINE, ELECTRIC GENERATOR, AND ELECTRIC GENERATING MACHINE  
According to one embodiment, a rotary electric machine includes a rotor that is rotatable at a predetermined position and includes a plurality of first magnetic members arranged along an outer...
US20120194024 BRUSHLESS DC MOTOR  
A brushless DC motor includes a plurality of permanent magnet segments arranged on an outer circumferential surface of a yoke member. Each of the permanent magnet segments includes a thinnest...
US20080272665 High Precision Motor and Its Machining and Assembling Method  
A motor includes a stator, a rotor, a shaft (50) and two end caps (10, 40), which are assembled together. According to the precision requirements, the outer circumference of the rotor core (20),...
US20150244216 POWER GENERATOR  
Disclosed is a generator wherein a rotary shaft is rotatably supported by a rotary shaft rest, and an inner casing is formed in a cylindrical hollow shape in such a way that one side thereof is...
US20140340011 HIGH EFFICIENCY PERMANENT MAGNET MACHINE  
The present invention is a high efficiency permanent magnet machine capable of maintaining high power density. The machine is operable over a wide range of power output. The improved efficiency is...
US20140191596 HIGH EFFICIENCY PERMANENT MAGNET MACHINE  
The present invention is a high efficiency permanent magnet machine capable of maintaining high power density. The machine is operable over a wide range of power output. The improved efficiency is...
US20100007303 Torquer Apparatus  
A torquer apparatus generally comprises a reaction-gyro sphere consisting of a concentric assembly of a substantially spherical rotor and a substantially spherical stator. This is implemented in...
US20120286612 ELECTRIC MOTOR WITH PERMANENT MAGNETS IN STATOR THEREOF  
In an electric motor, each tooth of the stator has a radially extending pillar portion and the number of teeth per magnetic pole is k. When the number k is odd and a center line passing each pole...
US20140042853 ELECTRIC ROTATING MACHINE  
A magnetic resistance changing mechanism for changing a magnetic resistance of a stator magnetic path including a stator yoke portion and each tooth portion by mechanically changing the stator...
US20080030093 Permanent magnetic synchronous electrical motor  
A permanent magnetic synchronous electrical motor, in which the waveform of the induced voltage is more similar to the sine curve than the prior art, so as to reduce the torque ripple. The outer...
US20120267975 EMBEDDED PERMANENT MAGNET ELECTRIC MOTOR  
The embedded permanent magnet electric motor includes: a rotor having: a rotor core that has an outer circumferential surface that is constituted by a plurality of convex surfaces that are...
US20120180792 BRUSHLESS FAN MOTOR AND POSITIVE AIRWAY PRESSURE BREATHING APPARATUS USING THE SAME  
A brushless fan motor includes a case, a tubular part disposed in the case and fixed at a bottom of the case, at least a bearing disposed in the tubular part, a toric coil surrounding the tubular...
US20100148515 Direct Current Brushless Machine and Wind Turbine System  
A direct current brushless electric machine is described that comprises a sequence of permanent magnets where the N and S magnetic poles being alternately arranged adjacent to each other, each...
US20140070653 MOTOR  
A motor having a structure that enhances durability of the motor. The motor includes a stator and a rotor rotatably disposed at an inside outside of the stator. The rotor includes a plurality of...
US20150084461 INNER-ROTOR MOTOR  
A motor includes a shaft supported by upper and lower bearings and rotatable about an axis; a rotor magnet fixed to the shaft; a stator arranged radially outside and opposite to the rotor magnet...
US20090108712 SHORT-FLUX PATH MOTORS / GENERATORS  
According to one embodiment of the present invention, an electric machine includes a stator and a rotor. The stator includes a stator pole including a first leg and a second leg, and a gap defined...
US20130169098 MULTI-GRADE MAGNET FOR AN ELECTRIC MACHINE  
Apparatus and methods for improved performance of electric machines, including internal permanent magnet electric machines. In some embodiments there are multiple pairs of permanent magnets. Each...
US20080185205 Engine With Attached Axial Gap Type Rotating Electric Machine  
A vehicle drive unit includes a crank case with a crank shaft operatively disposed therein and an attached axial gap type rotating machine. The crank shaft is driven via internal combustion to...
US20140001906 BRUSHLESS MOTOR AND ELECTRIC DEVICE MOUNTED WITH SAME  
A brushless motor capable of high speed rotation by field weakening operation is designed to reduce torque ripple at a maximum load point with current phase advance so that the torque ripple at...
US20140139064 PERMANENT MAGNET, AND MOTOR AND POWER GENERATOR USING THE SAME  
In one embodiment, a permanent magnet includes: a composition expressed by RpFeqMrCusCo100-p-q-r-s (R is a rare-earth element, M is at least one element selected from Zr, Ti, and Hf, 10≦p≦13.5 at...
US20080290751 Brushless permanent magnet motor with unequal-width slots and method of producing the same  
A brushless permanent magnet motor with unequal-width slots and its manufacturing method completes a design of a regular motor with equal-width slots, employs a single-layer centralized winding,...
US20120081048 MOTOR ABLE TO WORK SYNCHRONOUSLY AND AS INDUCTION MOTOR  
The present invention relates to a motor that acts both as a synchronous motor and as an induction motor, and that comprises a stator (100) having coil windings, a rotor (200), where said rotor is...
US20100007230 Motor with sheet-like coil  
A spindle motor includes: a stator yoke having a circular cylinder shape; a rotor magnet disposed opposite to the stator yoke with an air gap therebetween; a sheet-like coil disposed at a surface...
US20090140526 STATOR AND STATOR TOOTH MODULES FOR ELECTRICAL MACHINES  
An electrical machine comprising a rotor and a stator is provided. The stator includes a plurality of stator tooth modules configured for radial magnetic flux flow. The stator tooth modules...
US20130249340 PERMANENT-MAGNET-EXCITED ELECTRIC MOTOR WITH HEATING DEVICE, AND OPERATING METHOD  
The aim of the invention is to provide an electric motor which has a high torque at low rotation speeds and a high power at high rotation speeds. The invention therefore proposes an electric motor...
US20140139063 PERMANENT MAGNET, AND MOTOR AND POWER GENERATOR USING THE SAME  
In one embodiment, a permanent magnet includes a sintered compact including: a composition expressed by a composition formula: RpFeqMrCusCo100-p-q-r-s (R is at least one element selected from...
US20120313458 Ironless Electrical Machines with Eddy Current Reducer  
The invention provides ironless electrical machines with reducer of Eddy current losses (Eddy current reducer) that improves the performance of machine. In the electromechanical systems with...
US20070096569 Hollow Pump  
A versatile, efficient, compact pump featuring an all-in-one rotor/blade design. Utilizing the concepts of a three-phase AC synchronous motor, this invention is capable of the heavy lifting...
US20140175957 ROTOR ASSEMBLY AND BRUSHLESS DC MOTOR COMPRISING THE SAME  
A rotor assembly, including: a permanent magnet and a rotor core. The rotor core includes an annular ring and a plurality of magnetic induction blocks. The magnetic induction blocks protrude...
US20130278104 Rare Earth Magnet and Motor Using the Same  
The present invention makes it possible to increase the residual magnetic flux density and the coercive force of a rare earth magnet; and raise the Curie temperature. In a magnet formed by...
US20120091864 Magi - Magnetic invention  
A Magnetic Invention, or a magnetic field power convertor, provided with a driveshaft inserted transversely through a custom rare-earth neodymium magnet. This combination is then mounted inside a...
US20130147418 Electric Motor  
A multi-phase electric motor comprises a stator comprising a plurality of wire coils surrounding a non-magnetizable core; a rotor with permanent magnets embedded therein, the rotor being disposed...
US20130009584 VOLTAGE REGULATED PERMANENT MAGNET MACHINE  
A permanent magnet generator comprises a stator core, a plurality of windings situated on the stator core, and a plurality of stress elements. The stress elements apply or relieve mechanical...
US20100329905 PERMANENT MAGNET DIRECT DRIVE MUD PUMP  
A permanent magnet direct drive mud pump has a permanent magnet motor, a shaft connected to the permanent magnet motor, and a pump head connected to the end of the shaft opposite the permanent...
US20080150294 Centrifugally active variable magnetic flux alternator  
Today modern large commercial wind turbines enable large quantities of electrical power diverted from the wind. The short comings are that they need a pitch control mechanism to turn the turbine...
US20150255198 SINTERED FERRITE MAGNET AND MOTOR PROVIDED THEREWITH  
A sintered ferrite magnet comprises a main phase of an M type Sr ferrite having a hexagonal crystal structure. An amount of Zn is 0.05 to 1.35 mass % in terms of ZnO and M1/M2 is 0.43 or less when...

Matches 1 - 50 out of 385 1 2 3 4 5 6 7 8 >