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| Number | Title | Issue Date |
| 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 including an armature row disposed ... | 05/01/2012 |
| 8169115 | Motor distributor system A cylindrical drive shaft has forward and rearward ends. A fixed cylindrical housing receives the drive shaft, the housing having forward and rearward ends. An axial flux permanent magnet motor encompasses the drive shaft within the housing. The axial flux permanent... | 05/01/2012 |
| 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 an electric motor system with one or more counter units which minimize... | 04/03/2012 |
| 8148863 | Drive arrangement A drive arrangement with a first motor and a second motor is described, the first and second motor being coupled via a first coupling unit. The first motor is provided to generate uniform low-frequency movements and the second motor performs a higher frequency alter... | 04/03/2012 |
| 8084909 | Dual armature motor/generator with flux linkage The present invention relates to cylindrical rotating electric machines which comprise armature and field source, with either the field source or the dual armature being the rotating component. The dual armature is composed of two concentric cylindrical sets of coil... | 12/27/2011 |
| 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 supported adjacent to a stator disposed between the inner and outer rotor... | 11/22/2011 |
| 8022580 | Plastics injection-molding machine with integrated, linear-rotary direct drive A plastics injection-molding machine is to be equipped with a more compact drive that undergoes less wear. For this purpose, it is envisaged to integrate the direct rotational drive into the direct linear drive. Accordingly, the electric linear motor has a pot-shape... | 09/20/2011 |
| 8018108 | Compact high power alternator An apparatus for converting between mechanical and electrical energy, particularly suited for use as a compact high power alternator for automotive use and “remove and replace” retrofitting of existing vehicles. Various aspects of the invention provide a means o... | 09/13/2011 |
| 7990008 | Electric rotating machine having detachable moving stator drive unit The electric rotating machine includes a fixed stator fixed to the inner circumferential side of a housing, a moving stator rotatably supported on the inner circumferential side of the housing, a rotor disposed concentrically on the inner circumferential side of the... | 08/02/2011 |
| 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 of voltage or potential to or from a machine. Three rotating rotors me... | 06/21/2011 |
| 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 another with high coupling and assembling accuracy in a simple struct... | 06/14/2011 |
| 7956503 | Dual armature motor/generator with flux linkage The present invention relates to cylindrical rotating electric machines which comprise armature and field coils, with either the field coil or the dual armature being the rotating component. The dual armature is composed of two concentric cylindrical sets of coils w... | 06/07/2011 |
| 7944106 | Apparatus for cooling and lubricating an off-axis motor/generator in a transmission having two motor/generators The present invention provides a hybrid transmission with two motor/generators, one being “on-axis” and sharing an axis of rotation with an input and output shaft of the transmission, and another being “off-axis” with a distinct axis of rotation from that of... | 05/17/2011 |
| 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 implements a high efficiency and a speed-variable performance such a... | 04/19/2011 |
| 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 field that rotates around the stator axis. In addition, the actuator i... | 03/01/2011 |
| 7884517 | Electric machine A two-phase electric motor includes first and second coil groups and a magnet group. In the magnet group, N poles and S poles are disposed alternatively opposite the first and second coil groups. The first and second coil groups are disposed at positions that are ou... | 02/08/2011 |
| 7821177 | Laminated core A laminated core includes a laminated body, clamping plates and holding members. The laminated body includes a plurality of amorphous alloy plates, which are stacked one after another in a stacking direction such that each adjacent two of the plurality of amorphous ... | 10/26/2010 |
| 7786640 | Drive device A drive device includes an input shaft connected to an engine; a first rotating electrical machine and a second rotating electrical machine; a differential gear unit including a first rotating element, a second rotating element, and a third rotating element; and a c... | 08/31/2010 |
| 7781931 | Switched reluctance motor A switched reluctance motor has a rotor and a stator. The stator has first and second stator magnetic pole groups sequentially placed in an axial direction of the rotor. First and second stator magnetic poles in each group are alternately arranged on a same circumfe... | 08/24/2010 |
| 7777381 | Magnetic structure and motor employing said magnetic structure, and driver comprising said motor Provided is a small motor superior in weight/torque balance. A phase stator 10 and B phase stator 12 are disposed to face each other. A rotor is interpositioned between these stators. Electromagnetic coils are provided to the stators evenly in the circ... | 08/17/2010 |
| 7750521 | Double-sided starter/generator for aircrafts An electromagnetic machine for extracting power from a turbine engine includes an outer rotor and an inner rotor rotatably supported adjacent to a stator. The stator is disposed between the inner and outer rotors. The stator has an inner set of windings disposed on ... | 07/06/2010 |
| 7709986 | Direct drive for a cylinder of a converting machine The invention relates to a direct drive for a cylinder of a converting machine, in particular a printing press or coating machine that converts sheet-type printed materials. The aim of the invention is to develop a direct drive for a cylinder of the afore-mentioned ... | 05/04/2010 |
| 7705501 | Common construction of coaxial I/O dual electro-mechanical units A common construction is made up of two rotation parts each including a revolving electro-mechanical unit arranged in parallel and an output of both rotation parts being made coaxial by means of a transmission disposed on each side of the common construction, the co... | 04/27/2010 |
| 7696661 | Stator for an electric motor and assembly method The apparatus of the present invention provides a stator for an electric motor. The apparatus includes a plurality of stator components assembled together to form a generally annular stator core. A wire is wrapped around at least a portion of the stator core to form... | 04/13/2010 |
| 7671500 | Motor using working fluid distributed into chambers, which are provided for rotating rotors in opposite relative rotation directions A motor includes inner-peripheral and outer-peripheral rotors which rotate coaxially and have permanent magnets along a circumference of each rotor; and a phase varying device for relatively rotating the rotors so as to vary a relative phase therebetween. The device... | 03/02/2010 |
| 7638913 | Rotor core with spacers An electric machine that includes a stator core having a stator core length, a first rotor core portion, and second rotor core portion. A spacer is coupled to the first core portion and the second core portion to at least partially define a rotor core. The rotor cor... | 12/29/2009 |
| 7595574 | Polyphasic multi-coil generator A polyphasic multi-coil generator includes a drive shaft, at least first and second rotors rigidly mounted on the drive shaft so as to simultaneously synchronously rotate with rotation of the drive shaft, and at least one stator sandwiched between the first and seco... | 09/29/2009 |
| 7595575 | Motor/generator to reduce cogging torque The disclosure is directed to a motor/generator including a magnetic circuit that is created between a rotor and stator through a first air gap and a second air gap so that a magnetic field (magnetic flux) passes through two parts of the edges of multiple stator tee... | 09/29/2009 |
| 7592728 | Electric machine having segmented stator An electric machine, such as a brushless direct current motor, includes a number of stator formed as stator sections. The stator sections are longitudinally offset from each other along a common central axis of the electric machine. The stator sections are magnetica... | 09/22/2009 |
| 7538466 | Dual fan and dual motor structure thereof A dual motor structure of a dual fan includes a first stator structure, a first rotor structure, a first bearing, a second stator structure, a second rotor structure and a second bearing. The first stator structure has a first bearing tube. The first rotor structure... | 05/26/2009 |
| 7525228 | Three-phase opposite rotating motor and fan A three-phase opposite rotating motor of a fan comprises a stator having a three-phase coil set without a core, a first rotor and a second rotor. The number of the poles of the first rotor is unequal to the number of the poles of the second rotor. The ratio of the n... | 04/28/2009 |
| 7446447 | Magnetic structure and motor employing said magnetic structure, and driver comprising said motor Provided is a small motor superior in weight/torque balance. A phase stator 10 and B phase stator 12 are disposed to face each other. A rotor is interpositioned between these stators. Electromagnetic coils @ are provided to the stators evenly in the ci... | 11/04/2008 |
| 7439697 | Motor driving device and automobile using the same As a boosting-type motor driving device using no reactor, a motor driving device capable of controlling boosting operation and motor driving at the same time is provided, and an automobile using the motor driving device is also provided. The motor driving device is ... | 10/21/2008 |
| 7432622 | Method for the wireless and contactless transport of energy and data, and corresponding device In installations including fixed and mobile structural elements and a rotary current motor as a drive, the rotary current motor can be used for the wireless transmission of both energy and/or data. The transmission from the fixed structural elements to the mobile st... | 10/07/2008 |
| 7432623 | Brushless electromechanical machine An electromechanical machine having a stator and a rotor, the stator including at least one stator module of N toroid shaped electromagnets, the electromagnets arranged along an arc a predetermined distance apart defining a stator arc length. Each of the electromagn... | 10/07/2008 |
| 7402923 | Electrically variable transmission A transmission includes a housing, an electric motor having a stator within the housing, and a member including a generally cylindrical portion that circumscribes at least part of the stator. The member cooperates with the housing to form an annular coolant flowpath... | 07/22/2008 |
| 7402932 | Apparatus and system for driving a fan using a linear induction motor The present invention provides a system and apparatus that includes an induction motor and/or a fan assembly. The motor includes a housing having an aperture and a shaft axially disposed within the housing and having an end extending through the aperture. The motor ... | 07/22/2008 |
| 7400077 | Electric motor having multiple armatures An electric motor that includes a housing, a rotatable axle, a first field armature, which is disposed substantially around the axle and secured to the axle, and which includes a plurality of first field magnets spaced around the first field armature, a second field... | 07/15/2008 |
| 7397209 | Actuator An actuator includes a cylinder, a piston that is disposed in the cylinder and moves by supply and exhaust of working oil to and from the cylinder, a movable rod that is connected to the piston, a screw shaft, at least a part of which is inserted into the movable ro... | 07/08/2008 |
| 7397159 | Rotary electric apparatus with skew arrangement A rotary electric apparatus comprises a rotor including a first and second rotor members, a stator including a first stator and second stator members with armature coils to which armature current is supplied for synchronous rotation. The first and second rotor membe... | 07/08/2008 |
