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| Number | Title | Issue Date |
| 7088024 | Field assembly for a motor and method of making same A stator of an electric motor is formed by inserting pre-formed magnets on a cylinder having anchors and plastic is molded around the magnets and anchors to secure the magnets to a surface of the cylinder, forming a cylinder/magnet assembly. A pilot feature is forme... | 08/08/2006 |
| 7086136 | Method of manufacturing a sequential segment joining type stator coil Provided is a method of manufacturing a sequential segment joining type stator coil for use in an electric rotating machine, capable of achieving satisfactory electrical and thermal contact between end tip portion pairs of segments and basal electrodes and of realiz... | 08/08/2006 |
| 7086137 | Rotor assembly method A rotor and a method of constructing a rotor are disclosed. The rotor includes a hub that is capable of being supported by a shaft that extends along an axis, a plurality of laminations, and a plurality of wire windings supported by the plurality of laminations. The... | 08/08/2006 |
| 7082675 | Method for manufacturing a solid core of laminations In a method for manufacturing a solid core of laminations, a sheet metal web is cut in the longitudinal direction of the sheet metal web to produce at least two sheet metal strips. The sheet metal strips are separated in a direction transverse to the longitudinal di... | 08/01/2006 |
| 7084548 | Low cost high speed electrical machine A high speed brushless axial gap air core electrical machine includes a rotor mounted for rotation about an axis, and a stationary stator that magnetically interacts with the rotor. The rotor has two discs that are axially spaced apart to form an armature airgap. A ... | 08/01/2006 |
| 7084547 | Motor, fuel pump, commutator, and method for manufacturing a commutator A commutator includes six segments disposed in the direction of rotation, and is attached to one axial end of an armature. By the commutator rotating together with the armature, each of the segments successively contacts a brush. Each of the segments is electrically... | 08/01/2006 |
| 7081695 | Adjustable fit wedges The present invention provides for a fitted wedge wherein a formed outer frame is loosely fitted into a desired gap. The formed outer frame contains a lateral gap such that the formed outer frame is substantially or completely divided into two halves. A thin, stiff ... | 07/25/2006 |
| 7078836 | Alternator for a vehicle In a side-mount type vehicle alternator, the mounting faces of a larger stay and a smaller stay are arranged such that the fictive line, which runs through the center of a mounting hole on the mounting face of the larger stay and the center of the mounting hole on t... | 07/18/2006 |
| 7077990 | High-density, thermally-conductive plastic compositions for encapsulating motors A method for making a stator assembly having a thermally-conductive, plastic housing for a high speed motor is provided. A thermally-conductive, high-density polymer composition is used to make the housing, and the stator is uniformly encapsulated therein. The polym... | 07/18/2006 |
| 7075203 | Electric motor and method for producing a rotor for such an electric motor The invention relates to a brushless electric motor comprising a stator, which has pole elements, and a rotor, which is mounted rotatably in relation to the stator and comprises magnet poles of magnetic powder material bonded to form a body and a back yoke body carr... | 07/11/2006 |
| 7075204 | Threaded inner sleeve for generator magnet An inner sleeve, having threads on each end, is formed on a motor or generator rotor. A pair of stub shafts are threadably attached to the inner sleeve at each end and a magnet is placed in between. The stub shafts are turned on the inner sleeve to bring them togeth... | 07/11/2006 |
| 7073249 | Method for providing a worm on an armature shaft of an electric motor, and armature produced by the method The invention relates to a method for mounting a worm on an armature shaft of an armature for an electric motor. The invention proposes first mounting armature parts, such as an armature lamination packet with armature windings, a commutator, a bearing seat, and/or ... | 07/11/2006 |
| 7073247 | Method of brazing a liquid-cooled stator bar A method for metallurgically bonding a stator bar to a coupling to reduce the incidence of leak paths resulting from corrosion. The stator bar comprises strands through which a liquid coolant can flow. Adjacent ends of the strands are received in an interior cavity ... | 07/11/2006 |
| 7073248 | Resin fixture for insulating an electric motor stator A resin fixture that is inserted into a stator for an electric motor for a pump for the purpose of insulating the stator with resin. The resin fixture includes a rubber cover that is inflated. The fixture thereby prevents the stator bore from filling with resin.... | 07/11/2006 |
| 7071649 | Active temperature estimation for electric machines A method and system for estimating a temperature of an electric machine comprising obtaining a temperature value responsive to a temperature signal from a temperature sensor, the temperature sensor is operatively connected to and transmitting the temperature signal ... | 07/04/2006 |
| 7070555 | Intracardiac blood pump The blood pump (10) comprises an elongate drive portion (11) and a pump portion (12) lengthening the latter. Between the two portions, flow openings (17) are positioned. According to the invention, the flow openings (17) are covere... | 07/04/2006 |
| 7067944 | Motor with encapsulated stator and method of making same A motor comprises a baseplate, a shaft supported by said baseplate, a stator assembly having windings, the stator being rigidly attached to said baseplate, and injection molded thermoplastic material encapsulating said windings. In one embodiment, the stator is core... | 06/27/2006 |
| 7066046 | Method for making speed reducers A CNC machine makes a single speed reducer by forming a worm recess, a worm gear recess, and a worm shaft groove that is discontinuous at the worm recess in a first solid block of aluminum. Matching recesses and grooves are formed in a second solid block of aluminum... | 06/27/2006 |
| 7067952 | Stator assembly made from a molded web of core segments and motor using same A plurality of stator arc segments 20 are linked together by a phase change material 22 enabling simplified winding and higher slot fill. Once wound this continuous structure can be formed into a toroidal core 17 for a stator assembly 40 ... | 06/27/2006 |
| 7067953 | Stator arrangement for an electric machine The invention relates to a stator arrangement for an electric machine having a stator ring that is closed at its inside circumference and has stator poles at its outside circumference, wherein the stator ring is built up of a plurality of substantially identical T-s... | 06/27/2006 |
| 7066721 | Ceiling fan motors An inside-out ceiling fan motor has a stator mounted to a downrod with an annular array of stator coils positioned about a rotor axis of rotation. A rotor is rotatably mounted about the stator. The rotor has a plurality of vanes spaced along the rotor periphery and ... | 06/27/2006 |
| 7064467 | Commutator motor A commutator motor includes a stator and a rotor, and the stator includes a stator yoke and a field magnet. The field magnet is fixed onto the inner peripheral surface of the substantially cylindrical stator yoke. The stator yoke is configured by coaxially stacking ... | 06/20/2006 |
| 7062841 | Method of manufacturing a formable laminated stack in a progressive die assembly having a choke A method of manufacturing a stack of interlocked laminations in a progressive die assembly having a choke. A strip of sheet stock material is provided and a plurality of laminations are stamped therein. Each of the laminations include at least one interlock feature ... | 06/20/2006 |
| 7063518 | Bearing support and stator assembly for compressor A compressor assembly including a compression mechanism, a motor including rotor and a laminated stator and a shaft is provided. The shaft is operably coupled to the compression mechanism and the rotor. The shaft extends outwardly from the motor opposite the compres... | 06/20/2006 |
| 7059038 | Brush assembly A brush assembly has a base with a member to secure the base to a motor end cap assembly. A brush housing is associated with the base. The brush housing includes first and second open ends. A brush, defining an axis, is slidably supported within the housing. The bru... | 06/13/2006 |
| 7057305 | Wind power installation with separate primary and secondary cooling circuits A wind power installation includes a nacelle for housing a generator, and a turbine having at least one rotor blade. At least the generator includes a closed primary cooing system, and the nacelle is provided with a cooling system for cooling the primary cooling sys... | 06/06/2006 |
| 7051420 | Method for manufacturing an armature of an electric motor An armature for a brush commutated electric motor having a distributed coil winding arrangement for reducing brush arcing and electromagnetic interference (EMI). The winding pattern involves segmenting each coil into first and second subcoil portions with differing ... | 05/30/2006 |
| 7051421 | Method of fabricating a rotor An electric traction motor for a vehicle including a housing, a wound stator field located in the housing, a rotor magnetically interacting with the wound stator field, high energy magnets configured in the rotor, and low energy magnets configured in the rotor. ... | 05/30/2006 |
| 7051422 | Method of producing plane carbon commutator A method of producing a plane commutator in which it is easy to integrally form carbon and segment, connecting strength between the carbon and mold resin is enhanced, and conductivity is enhanced. The plane carbon commutator comprises a plurality of metal segments f... | 05/30/2006 |
| 7051425 | Recycling method for magnetic field generator A recycling method for a magnetic field generator, which includes a plate yoke, and a permanent magnet provided on the plate yoke, the magnetic field generator further including a plurality of neodymium magnets bonded together by an adhesive. The magnetic field gene... | 05/30/2006 |
| 7047623 | Device for installing a linear motor line A device is provided for installing at least one linear motor line in the grooves (14) of an inductor (15) which is situated underneath a cover plate (10). The device includes a vehicle (31) which can be moved on the cover plate (10 | 05/23/2006 |
| 7049715 | High speed spindle motor for disc drive A motor is constructed from a stator assembly including a stator having multiple conductors that create a plurality of magnetic fields when electrical current is conducted by the conductors and a body of a phase change material such as a thermoplastic substantially ... | 05/23/2006 |
| 7043822 | Method of manufacturing commutator of rotary electric machine A method of manufacturing a commutator of a rotary electric machine includes a step of forming a first unitary material having nail portions, a step of forming a second unitary material for the commutator segments, a step of fixing the first unitary material and the... | 05/16/2006 |
| 7045928 | Pot or cup-shaped carrier The invention concerns a pot or cup-shaped carrier (10) for carbon brushes (12), especially intended for servomotors, comprising an inner wall, such as a bottom wall, originating from the carrier perimeter wall, and interspersed by the commutator or by... | 05/16/2006 |
| 7045921 | Small-sized motor A small-sized motor of a structure not requiring any metal holder frame in a surface mounting process to a printed circuit board by reflow soldering, wherein the motor case is provided with a level flat part, a pair of left and right first side parts bent downward f... | 05/16/2006 |
| 7042124 | Electric motors for washdown, food processing, and chemical applications An electric motor includes a motor casing, a stator assembly, a rotor shaft assembly, first and second end bells, respectively, attached to each end of the motor casing, and an electrical inlet in the motor casing for supplying power to the motor. The motor further ... | 05/09/2006 |
| 7042227 | Current determination in a permanent magnet electric machine A method and system for determining a torque current in an electric machine coupled to a polyphase bus. The method comprises: detecting a rotational position of the electric machine with a position encoder; controlling an inverter comprising a plurality of switching... | 05/09/2006 |
| 7040549 | Systems and methods for controlling fluid feed to an aerosol generator A method for controlling the supply of liquid to an aerosol generator comprises operating a liquid supply system to supply a liquid to a vibratable aperture plate of an aerosol generator which senses an amount of liquid adhering to the vibratable aperture plate, and... | 05/09/2006 |
| 7042122 | Electric motor A simulated slot electric motor having a permanent magnet rotor, a stator, and a flexible electronic motor control package is provided. The stator is composed of a magnetic flux tube and a plurality of field windings. The magnetic flux tube includes a plurality of r... | 05/09/2006 |
| 7036205 | Method of manufacturing stator for brushless motors A plurality of motors are assembled. A plurality of part-sized stators are provided. Each of the part-sized stators is a split portion of a full-sized stator which has been previously split. The full-sized stator includes a printed circuit board with a plurality of ... | 05/02/2006 |
