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8183722 Accessory drive system connected to an internal combustion engine  
An accessory drive system which is capable of preventing the driving efficiency thereof from being lowered and achieving simplified construction, and reduction of the size and manufacturing costs....
8183802 Composite electromechanical machines with controller  
Embodiments of the present invention include a composite electromechanical machine which can operate as a motor, a generator (including dynamo or alternator), or any combination thereof. In an...
8183729 Electrically powered device  
The electrically powered device is provided. The electrically powered device includes: multiple stators structured to respectively have electromagnetic coils and position sensors; a shaft fastened...
8169116 Electric motor  
An electric motor 1 includes a first structure 4 including a magnetic pole row formed by a predetermined plurality of magnetic poles 4a arranged in a predetermined direction, a second structure 3...
8169109 Electrical machine with dual radial airgaps  
A switched reluctance machine has an array of poles attached to a stationary holding member to form a stator. The stator has no back-iron. The machine has two arrays of rotor poles, positioned on...
8148872 Electromagnetically-countered actuator systems and methods  
The present invention generally relates to electric motor systems which minimize irradiation of harmful electromagnetic waves by various means. More particularly, the present invention relates to...
8138652 Multistage variable reluctance motor/generator  
A compact, rugged, variable reluctance, variable speed, electric motor capable of producing high torque at high electrical energy conversion efficiencies is provided. The present invention provides...
8138641 Permanent-magnet rotary electric machine  
A permanent-magnet rotary electric machine preferably includes a stator and a rotor opposed thereto via an air gap. The stator includes a stator core having 4m (m is an integer equal to or larger...
8115364 Permanent magnet generator and wind power generator having a multi-stage rotor and stator  
A permanent magnet power generator which, when used at an electric power generating facility such as a wind power plant, etc., would not be bulky and would not impede wind capture by a wind...
8093775 Magnetic rotor assembly  
A device for inducing the rotation of a plurality of rotors by use of magnetically charged materials includes at least a pair of rotors rotatably mounted. Each rotor includes at least one outwardly...
8074922 Discoidal flying craft  
A flying craft has an aerodynamic aircraft fuselage structure preferably disc shaped. A pair of coaxial electrokinetic motor-generators are mounted concentrically, and preferably centered within...
8072113 Inductance augmenter for an electric machine  
The electric machine comprises a rotor and stator, the rotor and stator having generally equal axial lengths. The stator has at least one primary and at least one control winding disposed around...
8063528 Counter-rotatable generator  
A counter-rotatable generator includes a generator stator concentric with concentric counter-rotatable radially inner pole and outer magnet rotors. The magnet rotor encircles the pole rotor and the...
8063527 Gas turbine engine assembly including dual sided/dual shaft electrical machine  
A gas turbine engine assembly includes an electromagnetic machine for extracting power from the turbine engine. The electromagnetic machine includes an outer rotor and an inner rotor rotatably...
8030868 Electric motor, power apparatus using the same, and self-propelled snow remover  
A electric motor is disclosed in which torque ripple is reduced. The electric motor includes a single motor shaft. Rotors are disposed so as to be mutually offset in phase, and the rotors are...
8018116 Electric motor of parallel cycles  
A motor arrangement between the movable body and the commutation system comprising movable body coils assembling, wherein said movable body coils assembling are energized for short periods of time...
8013488 Integration of a starter/generator module in a gas turbine transmission housing  
A starter/generator mechanically coupled to a gas turbine transmission housing is disclosed. The starter/generator includes a generator with a rotor forming a field winding and a stator forming an...
8004127 Rotary reluctance motor  
A rotary reluctance motor includes a set of inner disks each having an inner diameter root, an outer diameter free end, and a plurality of alternating high permeability teeth and low permeability...
8004138 Motor  
A motor is provided with: an inner rotor having inner permanent magnets arranged in a peripheral direction and an outer rotor having outer permanent magnets arranged in the peripheral direction,...
7999432 Field controllable rotating electric machine system with magnetic excitation part  
In a magnet-exciting rotating electric machine system, every magnetic salient pole group to be magnetized in a same polarity is collectively magnetized by a magnetic excitation part. In the...
7999427 Directed flux motor  
A directed flux motor described utilizes the directed magnetic flux of at least one magnet through ferrous material to drive different planetary gear sets to achieve capabilities in six actuated...
7994675 Generic crimped rotor for an electric brushless direct current motor  
A rotor having a substantially cylindrical configuration for use in a brushless direct current electric motor having a high torque to size ratio. The rotor has an outer peripheral surface. The...
7990019 Flat motor having a dual air gap  
An electric motor is provided which includes a stator, in which field magnets are fixedly and radially installed on a circular panel-shaped base. A coaxial cylindrical rotor is coupled to a shaft...
7990009 Electric machine  
An electrical machine which has a moving part and a stationary part. The moving part is in the form of an inner rotor without windings, and the rotor which has at least two magnetic conductors,...
7982353 Directed flux motor  
A directed flux motor described utilizes the directed magnetic flux of at least one magnet through ferrous material to drive different planetary gear sets to achieve capabilities in six actuated...
7982352 Electrical motor/generator having a number of stator pole cores being larger than a number of rotor pole shoes  
An axial magnetic flux electrical machine having a rotor attached to a shaft, the rotor comprising magnets and pole shoes; and a stator, the stator has a separate pole cores having corresponding...
7982350 Conical magnets and rotor-stator structures for electrodynamic machines  
Embodiments of the invention provide for conical magnets for rotors in electrodynamic machines, methods to design the same, and rotor-stator structures for electrodynamic machines. In various...
7982351 Electrical machines  
Embodiments provide an electrical machine bearing first and second pluralities of permanent magnets having different number of pole pairs, a plurality of pole-pieces that enable the magnetic...
7977837 Rotary body used for energy storage apparatus, method of manufacturing rotary body, and energy storage apparatus  
A rotary body used in an energy storage device and capable of storing a large amount of external energy is provided in an energy storage device that stores external energy as the energy of the...
7965007 Three dimensional motor generator system  
A universal three dimensional motor generator system is provided with magnets and permanent magnetic and/or electromagnetic windings on rotors and stator for compounding and multiplying the order...
7960883 Motor assembly with coaxial shafts  
A motor assembly with coaxial shafts is provided which can be produced at low costs and in which a plurality of motors can be disposed with their respective rotary shafts arranged coaxially to one...
7960884 Axial gap type rotating machine  
An axial gap rotating machine rigidly fixing permanent magnets without reducing magnetic flux and having a high output has: a housing; a rotating shaft rotatably supported in the housing; two...
7956504 Composite electromechanical machines with gear mechanism  
Embodiments of the present invention include a composite electromechanical machine which can operate as a motor or a generator (including dynamo or alternator). In an aspect, the present composite...
7948144 Electrical rotary machine  
An electric motor 1 comprises a rotator 20 rotating relative to a stator 10 and a plurality of teeth 11 winding an exciting coil 12 in the stator 10. The teeth 11 generate a magnetic field directed...
7944108 Brushless motor and actuator using it  
A motor for driving an actuator used such as for a throttle valve of an automobile engine and an optical axis controller of an automobile headlight. In two cup-shaped rotor yokes each provided with...
7944158 Controlled electric motor arrangement for a tension mechanism  
A field-oriented control method for an electric drive comprising a plurality of electric motors, for implementing a tension mechanism, especially for load cable and/or gearing means, using...
7944107 Synchronous permanent magnet machine  
A synchronous permanent magnet machine for at least two rotation speeds has a single stator and at least two rotors. For each rotation speed there is provided a separate rotor with a different...
7936076 Utilization of rotor kinetic energy storage for hybrid vehicles  
A power system for a motor vehicle having an internal combustion engine, the power system comprises an electric machine (12) further comprising a first excitation source (47), a permanent magnet...
7932659 Superconducting device and axial-type superconducting motor  
A superconducting device includes a coil formed of a superconducting wire, an iron core to which the coil is attached, and a magnetic material arranged in a magnetic circuit and magnetized by...
7928621 Speed-variable single phase induction motor  
A speed-variable single phase induction motor. By a plurality of stators disposed with an interval therebetween and a plurality of magnetic rotors corresponding to the respective stators, the motor...
7919891 Directed flux motor  
A directed flux motor described utilizes the directed magnetic flux of at least one magnet through ferrous material to drive different planetary gear sets to achieve capabilities in six actuated...
7911110 Double rotor type motor  
The present invention relates to motors, and more particularly, to a double rotor type motor applicable to a washing machine or the like. The double rotor type motor includes an outer rotor having...
7898120 Linear-rotary actuators and actuator systems  
In an embodiment, an actuator includes a plurality of stator windings adapted to produce a first stator magnetic field that translates along a stator axis, and to produce a second stator magnetic...
7898134 Brushless disk DC motor  
A brushless disk DC motor that exhibits high power density and light weight and is capable of power regeneration and reverse operation employs a flat circular non-ferrous stator plate having a...
7888839 Commercial low cost, high efficiency motor-generator  
A motor-generator includes a rotor that rotates about an axis of rotation, and a stator that is stationary and magnetically interacts with the rotor. The rotor is constructed of two spaced apart...
7884518 Electrical synchronous machine  
An electrical synchronous machine, in particular for use as a drive machine in motor vehicle applications. A stator has an electrical winding arrangement for generating a rotating field. A rotor...
7880355 Electromagnetic variable transmission  
An electromagnetically variable transmission includes an outer rotor and an inner rotor. The inner rotor is independently rotatable within a center aperture of the outer rotor. The outer rotor is...
7876018 Synchronous reluctance motor and compressor having the same  
A synchronous reluctance motor comprises a stator and a rotor, the rotor comprising: a rotation shaft; a first core having a shaft hole for inserting the rotation shaft at a center thereof, and...
7876013 Brushless motor  
A brushless motor has rotor cores dividedly formed as plural sections in an axial direction, segment magnets secured to outer circumferential surfaces of the rotor cores, and magnet holders secured...
7872380 Apparatus and method for generating rotary oscillations  
An apparatus and method for generating rotary oscillation with two shafts pivotable relative to each other. An end section of a first shaft is accommodated in an end section of a second shaft so as...