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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 310/216 - Core features


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter relating to core features.
No. of applications: 362
Last issue date: 07/02/2009


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Application No.Application TitleIssue Date
20070262659Electric motor
An electric motor includes an annular stator core having a pair of ends opposed to each other in an axial direction, and a coil wound around the stator core. The stator core includes a pair of powder magnetic cores each arranged at the pair of ends and a laminated steel...
11/15/2007
20070262662COOLED CONDUCTOR COIL FOR AN ELECTRIC MACHINE AND METHOD
The invention includes an electric machine having a rotor, a stator and at least one electrical coil disposed in the machine and a source of coolant fluid in communication with the coil. The coil has concentric turns having spaces therebetween adapted to channel coolant...
11/15/2007
20070257566Synchronous Machine Using the Eleventh Harmonic
A permanently-excited synchronous motor (1), comprises a stator (3) and a rotor (5), the stator (3) preferably comprising a three-phase alternating current winding and the rotor (5) permanent magnets. The stator (3) has 36 groov...
11/08/2007
20070252466Electrical machines with reduced cogging
The present invention provides an electrical machine 1 with reduced cogging. The magnet poles 3 of the electrical machine are comprised of at least two separate groups of at least two circumferentially adjacent magnet poles. One of the circumferentially ou...
11/01/2007
20070252470ROTARY DEVICE OF GENERATOR OR MOTOR
Disclosed is a rotary device of a generator or motor which includes: a stator having a hollow portion formed at the inside thereof and a plurality of slots formed to wind coils therearound, each of the plurality of slots being skewed at a predetermined angle; a rotor sh...
11/01/2007
20070252471Stator Segment and Method of Assembly
A stator assembly is provided for an electric motor having a longitudinal axis. The stator assembly includes at least one stator segment having a first end member having a stator tooth and at least one of a stator shoe and a back iron. A second end member is positioned ...
11/01/2007
20070247015ROTOR HAVING LOBED BORE AND METHOD OF ASSEMBLING SAME
A rotor for a motor includes a plurality of laminations. Each lamination includes a central opening having an outer surface. The outer surface is defined by a continuous non-circular curve. A shaft includes a cylindrical portion configured to engage the outer surface. T...
10/25/2007
20070241634Reduction of harmonics in an electric motor
In the present invention the positions of the slots or poles of the stator of an electric motor are changed in order to reduce the harmonics caused by the stator winding and any vibration caused by these harmonics. In the present invention a shape function is defined ac...
10/18/2007
20070241629ELECTRIC MACHINE, STATOR ASSEMBLY FOR AN ELECTRIC MACHINE, AND METHOD OF MANUFACTURING THE SAME
A stator for a motor having a rotor includes a plurality of laminations each formed in a first elongated arrangement. Each lamination includes a first leg, a second leg, and an intermediate portion that are configured to be rearranged and stacked in a stackwise directio...
10/18/2007
20070241630Stator 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 a s...
10/18/2007
20070228859GAPPED MOTOR WITH OUTER ROTOR AND STATIONARY SHAFT
A gapped motor produces higher torque than existing one or two gap motors. The motor uses both one radial and one axial gap or two axial gaps to produce torque. A single stator is provided with an essentially U-shaped rotor shell having permanent magnets with back iron....
10/04/2007
20070228860THREE-GAPPED MOTOR WITH OUTER ROTOR AND STATIONARY SHAFT
A motor with three gaps produces higher torque than existing one or two gap motors. The motor uses both one radial and two axial gaps to produce torque. A single stator is provided with an essentially “U” shaped rotor shell having permanent magnets with back iron. T...
10/04/2007
20070222326ROTOR 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 is formed as a single inseparable component and includes a first portion that extends from the outer surf...
09/27/2007
20070222325High frequency electric motor or generator
A device such as an electric motor, an electric generator, and a regenerative electric motor includes at least one independent energizable electromagnetic assembly. Each independent electromagnetic assembly has an associated one-piece magnetic core. Each independent ele...
09/27/2007
20070216253Stator for an Electrical Machine
A stator for an electrical machine, in particular a rotary current generator, is proposed, in which the stator (36) is made by the flat-packet technique and comprises at least one stator iron (10) and a stator winding (30), and the stator iron (1...
09/20/2007
20070216254Magnetic powder metal component stator
A compacted magnetic powder metal component stator for use in an electrical machine is provided. Each stator is comprised of a plurality of stator core assemblies. Each stator core assembly forms an arcuate section of the stator core itself. Each stator core assembly is...
09/20/2007
20070210657Brushless DC motors and systems using the same
A system comprising a brushless DC motor is disclosed. The system may include a rotor assembly and a stator assembly. The rotor assembly may include: a first permanent magnet having a first ring shape and generating a first magnetic field; a rotor shaft coupled to the f...
09/13/2007
20070210668Single-Phase Motor and Hermetic Compressor
It is an object to obtain a highly efficient and low-cost single-phase motor and a hermetic compressor employing the motor by producing the motor in a form that allows a proper material layout, with securing a magnetic path of a coreback of a stator iron core. According...
09/13/2007
20070210669Electric motor and method of manufacturing the same
An electric motor includes an annular housing and an annular stator core having the inner periphery the shape of which differs from a perfect circle. The stator core is supported by the housing in such a manner that the outer periphery of the stator core and the inner p...
09/13/2007
20070205688Permanent magnet synchronous motor
The present invention provides a permanent-magnet-synchronous-motor having a stator with concentrated windings with the following structure so that permanent magnet (6) is hard to subjected to demagnetization magnetic field: 0.3 Lg
09/06/2007
20070205675Field pole members and methods of forming same for electrodynamic machines
A method, apparatus, article of manufacture and system for producing a field pole member for electrodynamic machinery are disclosed to, among other things, reduce magnetic flux path lengths and to eliminate back-iron for increasing torque and/or efficiency per unit size...
09/06/2007
20070205687Permanent magnet synchronous motor
The present invention provides a permanent-magnet-synchronous-motor having a stator with concentrated windings with the following structure so that permanent magnet (6) is hard to subjected to demagnetization magnetic field: 0.3 Lg
09/06/2007
20070200441Cooling system for a stator assembly
A stator assembly is provided having a generally annular stator core including a plurality of radially inwardly extending stator teeth. A stator wire is wound around each of the plurality of stator teeth to form a plurality of stator coils. Each of the plurality of stat...
08/30/2007
20070200437Stator assembly and manufacturing method
The apparatus of the present invention provides a stator assembly for an electric device such as a motor or a generator. The stator assembly preferably includes a generally annular stator core having a plurality of stator teeth. A stator wire is wound around each of the...
08/30/2007
20070200450Stator of motor
A stator of a motor according to the invention includes a stator core 1 annularly continued, a plurality of insulators each having a body part which is engaged with an outer peripheral surface of a tooth part of the stator core and a flange part which is projecte...
08/30/2007
20070200440THERMALLY-CONDUCTIVE STATOR SUPPORT STRUCTURE
A stator assembly including a plurality of stator coil assemblies and a stator coil support structure constructed of a non-magnetic, thermally-conductive material. The stator coil support structure includes an axial passage for receiving a rotor assembly and a plurality...
08/30/2007
20070194652Dynamoelectric stator core and method for manufacture thereof
A core assembly is manufactured by punching core segments at a predetermined pitch in a short-side direction thereof with long sides aligned in a width direction of a rolled steel plate, the long sides of the core segments having lengths that are half a length of a long...
08/23/2007
20070188031Servo motor with large rotor inertia
A servo motor with large rotor inertia includes a casing, a stator, a rotor and an inertial disk. The casing includes a hollow chamber and axial stages at front side and rear side thereof. The stator is arranged in the chamber and includes a ring and a plurality of coil...
08/16/2007
20070188038SELF MAGNETIZING MOTOR
A self magnetizing motor is disclosed, which comprises a stator which is comprised of a plurality of sheets including a plurality of stator slots and exciter slots formed at fixed intervals along an outer circumferential surface of the center, a teeth provided between e...
08/16/2007
20070182273Turbine with constant voltage and frequency output
The disclosure relates to a turbine wherein the rotor windings receive current from a CPU-controlled high speed operational amplifier and the stator windings include four-stage poles with configurations controlled by the CPU. The control of the current to the rotor and ...
08/09/2007
20070180685Method for producing a winding support for an electrical machine
A method for producing a winding support for an electrical machine, in which the winding support has a plurality of pole teeth. Adjacent pole teeth between them define at least one slot which is filled with at least one winding each. The pole teeth before being filled, ...
08/09/2007
20070182268Magnetoelectric generator
A stator core includes: a laminated body in which a plurality of intermediate plates that have dowels are laminated so as to be integrated by dowel crimping between layers; and a pair of end plates that are disposed so as to be positioned on opposite sides of two end su...
08/09/2007
20070180683Insulated motor core and method for producing same
A motor core coated with a multi-layer insulating film. The insulating film preferably includes in order: an electrodeposited coating film applied upon an outer surface of the motor core; a first spray coated insulating film applied upon an outer surface of the electrod...
08/09/2007
20070182267Dynamoelectric machine having reduced magnetic noise and method
An automotive alternator including a rotor having a plurality of poles; a plurality of phases in operable communication with the plurality of poles; and a stator core in operable communication with the rotor, the stator having a number of slots defined by:
08/09/2007
20070182266Motor with simplified structure and related control device
A brushless motor and a related control device are disclosed in a structure wherein a stator has U-phase, V-phase and W-phase stator poles, with two of the U-phase V-phase and W-phase stator poles carry thereon respective phase windings, in the absence of a selected pha...
08/09/2007
20070176510Armature for a direct current motor
An armature for a direct current motor, in particular for a permanent-magnet-excited DC motor, has an armature body, with armature teeth joined in one piece together via a short-circuit ring and offset by equal circumferential angles, each with a tooth neck for receivin...
08/02/2007
20070169335Method for repairing a crack in an electromechanical rotor, method for preventing crack growth in the same, electromechanical rotor and rotary electrical machine
A method for repairing a crack in an electromechanical rotor (10), including forming a plurality of slots (12) on a periphery of a core portion (11) of an electromechanical rotor (10) along an axial direction thereof; inserting coils into the...
07/26/2007
20070170792Electric machine with a circuit support
The invention relates to an electric machine (1) comprising a stator (21) and a rotor. The stator (21) includes at least one winding system having a plurality of coils (2) wherein start and end of the corresponding coils (21) is fixed ...
07/26/2007
20070170805ARMATURE, MOTOR USING THE ARMATURE, AND DISK DRIVE DEVICE USING THE MOTOR
An armature core of an electric motor includes a core plate having a plurality of tooth portions arranged circumferentially about a center axis and extending in a radial direction, and a supporting ring portion supporting the plurality of the tooth portions along outer ...
07/26/2007
20070170806Rotating Electrical Machine
A rotating electrical machine, especially a turbogenerator, includes a rotor and a stator, which concentrically surrounds the rotor and is terminated at each of the two axial ends by a laminated press plate (14), which is constructed from a stack of individual pr...
07/26/2007
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