Famous Patents
The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20090108702 | LAMINATION HAVING TAPERED TOOTH GEOMETRY WHICH IS SUITABLE FOR USE IN ELECTRIC MOTOR An electric motor has a stator, and a rotor disposed within the stator. The stator has a set of stator laminations and a set of windings held in position by the set of stator laminations. The rotor is arranged to rotate about an axis. The set of stator laminations is ar... | 04/30/2009 |
| 20090091210 | DIRECT DRIVE FOR LARGE-SCALE DRIVES The invention relates to a direct drive for large-scale drives, comprising a stator (1) which is configured, when seen from the peripheral direction, by a plurality of segments (3, 4, 5, 6), each having a self-contained winding arrangement, and a rotor whi... | 04/09/2009 |
| 20090026876 | Hybrid construction electric machine An electric machine including at least one magnetically inducible structure (2), said structure comprising at least two magnetically inducible portions (3, 4), at least one said portion being of laminar construction (3) and at least another said por... | 01/29/2009 |
| 20090015095 | SYNCHRONOUS MOTOR HAVING MULTIPLE COIL SEGMENTS A synchronous motor includes multiple coil segments, each of which has an iron core in the form of a core stack that is wound with a coil. The coil segments are characterized in that the coils press fastening elements having at least two legs against two opposite surfac... | 01/15/2009 |
| 20080303369 | ELECTRIC MOTOR, STATOR FOR AN ELECTRIC MOTOR AND METHOD OF MANUFACTURING SAME An electric machine has a rotor and includes a first portion that is substantially rectangular and includes a rotor aperture configured to receive a portion of the rotor. A second portion is separate from and connected to the first portion. The second portion is substan... | 12/11/2008 |
| 20080265694 | Manufacturing process for a motor stator assembly and structure thereof A manufacturing process for a motor stator assembly includes the following steps. A plurality of stator segments is manufactured. The stator segment includes an inner ring portion, a connection rib and an outer ring portion. The connection rib is connected between the i... | 10/30/2008 |
| 20080174202 | Method of Producing Core, and Stator Core A die includes a cavity in which a powder magnetic core material is introduced and a recessed curved surface curved inward of the die formed at the bottom surface of the cavity. The powder magnetic core material in the cavity is pressed by a pressing surface of a punch ... | 07/24/2008 |
| 20080143210 | Three-phase motor stator The present invention provides a three-phase motor stator. The shape of the three-phase motor stator is defined by an optimum pole-tooth ratio for reducing the cogging torque of the motor and increasing the efficiency of the motor. The three-phase motor stator includes ... | 06/19/2008 |
| 20080136278 | Motor A motor includes a bracket that defines an exterior of the motor. A PCB is held within the bracket and has a circuit pattern and various elements mounted thereon. A stator is provided on the PCB and a rotor is provided within the stator. A shaft rotates together with th... | 06/12/2008 |
| 20080136287 | Motor A motor includes a stator core that forms a magnetic path and has a plurality of tooth parts along a circumferential direction; a tooth provided in each tooth part to wind a coil there around; and an extension part alternated with the tooth part along a circumferential ... | 06/12/2008 |
| 20080129142 | Segmented Stator with Improved Handling and Winding Characteristics A stator assembly has discrete stacks of laminations. A plurality of nonmagnetic containment structures define pockets. The stacks are at least partially received in the pockets and coupled to one another by the containment structure. The containment structures are move... | 06/05/2008 |
| 20080122302 | Pneumatic tool having integrated electricity generator with external stator A pneumatic tool includes a nonmagnetic tool housing; a cylindrical rotor inside the tool housing and rotatable in response to a flow of pressurized fluid through the tool housing; magnets mounted in the rotor; and a stator external to the tool housing. The stator is di... | 05/29/2008 |
| 20080111443 | Rotating electrical machine An alternator can reduce the size of welding equipment and shorten the time of welding operation while ensuring high performance and high quality with the generation of electromagnetic noise being suppressed. The alternator includes a rotor having N poles and S poles al... | 05/15/2008 |
| 20080088198 | Triple-phase brushless motor for a ceiling fan A triple-phase brushless motor for a ceiling fan includes a rotor and a stator made of compressed silicon steel sheets. The stator includes a central tubular shaft located at its center and bored with a sidewise hole at a preset position for plural wires to pass through... | 04/17/2008 |
| 20080067885 | Permanent magnet machine A permanent magnet machine comprises a stator having plurality of slots between a plurality of stator teeth, which are interconnected by a yoke, wherein concentrated windings are provided in the plurality of slots. A rotor is provided with a plurality of permanent magne... | 03/20/2008 |
| 20080048531 | GENERATOR FOR A BICYCLE An electric generator for a bicycle comprising, a rotor assembly comprising a plurality of magnets disposed at regular spacings around the circumference of the rotor assembly in alternating polarity, a stator core, comprising steel plates being stacked to form the stato... | 02/28/2008 |
| 20080042511 | Main Element for an Electrical Machine A main element which can be used as a rotor or stator for an electrical machine has a short-circuit ring and radially protruding teeth formed integrally onto the short-circuit ring, which teeth are offset from one another about circumferential angles. To make it possibl... | 02/21/2008 |
| 20070296302 | SEGMENTED INNER STATOR AND BRUSHLESS PERMANENT MAGNET MOTOR WITH THE SAME A segmented inner stator comprises a stator core and a stator winding. The stator core includes a plurality of core segments which are retained together in a circular arrangement by at least one retaining ring and are mated with each other. At least some of the core seg... | 12/27/2007 |
| 20070290567 | Electric motor, stator of electric motor, and manufacturing method for the stator A stator of an electric motor includes teeth, coils each wound about one of the teeth, and a yoke. Each tooth includes a tooth main body and a tooth reinforcing portion, which is integrally molded with at least a part of the surface of the tooth main body. The tooth mai... | 12/20/2007 |
| 20070273241 | BRUSHLESS MOTOR AND ELECTRIC POWER STEERING SYSTEM A brushless motor including a rotor which has ten permanent magnets each containing rare earth neodymium and provided around a rotor yoke and an outside diameter of 45 mm to 55 mm, and a stator which has a stator core having twelve slots and an outside diameter of 75 mm... | 11/29/2007 |
| 20070267932 | Stator for inner rotor type rotating electric machine A stator for an inner rotor type rotating electric machine including: an annular armature core comprised of a plurality of arcuate segmented cores circumferentially arranged; a bobbin assembly comprised of a plurality of arcuate segmented bobbins arranged circumferentia... | 11/22/2007 |
| 20070262659 | Electric 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 |
| 20070252471 | Stator 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 |
| 20070252447 | ELECTRIC MOTOR HAVING A STATOR A stator configured to rotate a rotor with a number of magnetic poles includes a yoke that includes a back portion and a first type and first quantity of integral teeth, and a second type and second quantity of insertable teeth coupled to the back portion. At least two ... | 11/01/2007 |
| 20070236099 | Method of making integrated stator, brushless direct-current motor of radial core type double rotor structure using the integrated stator, and method of making the same Provided are a radial core type brushless direct-current (BLDC) motor and a method of making the same, having an excellent assembly capability of division type stator cores in a double rotor structure BLDC motor. The BLDC motor includes a rotational shaft, an integrated... | 10/11/2007 |
| 20070228860 | THREE-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 |
| 20070228859 | GAPPED 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 |
| 20070222324 | Insulation structure of rotary electrical machinery An insulation structure of rotary electrical machinery which electrically insulates teeth of a stator from a winding wound on the teeth includes: an insulator made from hard insulation material, disposed on both axial ends of the teeth, and having a side wall disposed a... | 09/27/2007 |
| 20070222330 | DC BRUSHLESS MOTOR FOR ELECTRICAL POWER STEERING AND THE PRODUCTION METHOD THEREOF The stator core of a motor comprises an annular back core, and a plurality of tees created separately from the back core and secured onto the inner periphery of the back core. A stator coil is wound on each of the tees by a distributed or concentrated winding method. Th... | 09/27/2007 |
| 20070216254 | Magnetic 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 |
| 20070216253 | Stator 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 |
| 20070200437 | Stator 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 |
| 20070194653 | Primary Element For An Electrical Machine A primary element for an electrical machine has a magnetically conductive body including a lamination stack with a plurality of axially extending teeth disposed in a star pattern, and a winding of annular coils wound separately as coil-body-less air coils and mounted ra... | 08/23/2007 |
| 20070188039 | Motor Armature Manufacturing Method An insulator covering the teeth (31) of an armature (3) in an inner-rotor motor is composed of a tooth insulator (321), outer-side insulator (322), upper-end insulator (323), and lower-end insulator (324). The tooth insulator (<... | 08/16/2007 |
| 20070182265 | STATOR A connecting wire extends from a first tooth to a second tooth so as to connect a plurality of coils. An extension portion is provided to an insulator so as to extend in the axial direction. The extension portion has a distal end in the axial direction, a proximal end, ... | 08/09/2007 |
| 20070182270 | Motor stator device This invention relates to a motor stator device comprising a stator, a plurality of coils, and a rotor. The stator includes a plurality of serrate portions, and a positioning slot disposed between two serrate portions at an internal wall of the stator, and each position... | 08/09/2007 |
| 20070182271 | MANUFACTURING METHOD OF STATOR, AND STATOR In a state in which a first divisional core and a second divisional core are arranged in a state spaced from each other and adjacent to each other, a first coil and a second coil are each wound around a tooth. The first coil and the second coil are in the same phase. In... | 08/09/2007 |
| 20070176511 | Motor and a fuel pump using the same A motor includes a stator core, insulators, coils and a rotor. The stator core includes a plurality of coil cores, which are circumferentially arranged, wherein each of the plurality of coil cores includes a tooth that radially extends, and an outer peripheral core that... | 08/02/2007 |
| 20070120436 | Motor Bearings for rotatably supporting a rotor are disposed on an inner side of a hollow cylindrical portion of the rotor which is disposed in a rotating magnetic field formed by a group of stator windings and on an outer periphery of which magnetic poles for generating torq... | 05/31/2007 |
| 20070114877 | End cap for interconnecting winding coils of segmented stator to reduce phase-on-phase conditions and associated methods A stator for an electromagnetic machine includes a plurality of discrete and individually wound stator segments having end caps positioned on the segments. The end caps have legs for positioning the end cap on the segments with an interference fit. The end caps have ang... | 05/24/2007 |
