Bizarre Patents
A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.
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.
| Number | Title | Issue Date |
| 8049376 | Motor system with magnet for a vehicle fuel pump A rotor for a brushless motor is resistant to degradation in alternative fuels and has desirable magnetic properties. A stator for a brushless DC motor includes coils wound both clockwise and counterclockwise around teeth of a back iron. Pairs of the coils are elect... | 11/01/2011 |
| 8039998 | Rotor for motor and method for producing the same A surface magnet type rotor and an inner magnet type rotor having good motor characteristics in which bonding strength is high between a magnet section and a soft magnetic yoke section, and structural reliability is high even in high speed use, and its producing met... | 10/18/2011 |
| 8035270 | Wheel motor A wheel motor can include a stator adapted to be coupled to a vehicle. The stator can include a body portion and a core extending radially outward from the body portion. A rotor can be disposed about the stator and can have a portion positioned radially outboard of ... | 10/11/2011 |
| 8004142 | Stator assembly for electric machines A stator assembly is provided with detachable teeth that are made of magnetic powder material. The teeth are so configured and sized as to be interconnected to a core body of the stator with pre-formed coils that are positioned between adjacent teeth. ... | 08/23/2011 |
| 7847443 | Manufacture of electric motor component The modular conical stator pole provides an improved conical stator assembly on electrical machines. The improved conical stator pole assembly comprises a plurality of stator poles, each pole comprising an assembly having a coil secured on a soft magnetic composites... | 12/07/2010 |
| 7843092 | Core and method for producing core Disclosed is a highly heat-resistant core which has a dust core as a base body. A dust core obtained by press-molding magnetic powder particles each of which are covered with an insulating film is used as the base body. An inorganic heat-resistant insulating film is... | 11/30/2010 |
| 7816820 | Compacted magnetic core with high resistance, manufacturing method thereof, and motor for electric car A compacted magnetic core with a high resistance, which comprises compacted magnetic powder of an iron powder or an alloy powder containing iron as a main ingredient and a layer of a rare earth metal fluoride or an alkaline earth metal fluoride on the surface of the... | 10/19/2010 |
| 7812484 | Permanent magnet for motor, motor housing, and motor device To improve resistance of a motor device against an organic solvent and to suppress degradation in performance of the motor device with time. In a motor device, an excitation magnet is formed using a hollow-cylinder shaped anisotropic bonded magnet 13. ... | 10/12/2010 |
| 7705494 | 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 s... | 04/27/2010 |
| 7579723 | Power magnetic core and stator core A power magnetic core has a start section and a termination section. In the powder magnetic core, lines of magnetic force are formed from the start section to the termination section. The powder magnetic core comprises a first portion disposed on the shortest magnet... | 08/25/2009 |
| 7385321 | Motor having shifted teeth of pressed powder construction A multi-polar rotary machine comprises a cylindrical outer rotor arranged concentrically with the stator and with an air gap therebetween. The stator has two spaced stator elements and a ring shaped permanent magnet held between the stator elements and magnetized so... | 06/10/2008 |
| 7362015 | Apparatus and method for making an electrical component This invention relates to a transformer and more particularly, to a system and method for making a transformer utilizing dynamic magnetic compaction. A coil is placed in a conductive container, and a conductive powder material, such as ferrite, is placed in the cont... | 04/22/2008 |
| 7339292 | Motor having shifted teeth of pressed powder construction A multi-polar rotary machine comprises a and a cylindrical outer rotor arranged concentrically with the stator and with an air gap therebetween. The stator has two splitted stator elements and a ring shaped permanent magnet held between the stator elements and magne... | 03/04/2008 |
| 7332839 | Electric machine having a laminated core with a portion jutting from the outer surface to form a gap for a flux sensor An electric machine includes a stator and a rotor interacting with the stator, wherein the stator and/or the rotor has/have a conducting device for guiding a magnetic flux. The conducting device includes a gap which is provided in a path of the magnetic flux, and a ... | 02/19/2008 |
| 7262536 | Gearless wheel motor drive system Methods and apparatus are provided for an electric vehicle embodying an axial flux traction motor directly coupled to a wheel thereof. The fraction motor includes a stator having coils for producing a magnetic field, an annular rotor magnetically coupled to the stat... | 08/28/2007 |
| 7246440 | Spindle motor and method of manufacturing the same A spindle motor is formed so as to support a pivot of a rotor by a pair of open bearings. The open bearings thus constructed will be less expensive and simple structures, so that a manufacturing cost thereof is reduced compared to a conventional spindle motor... | 07/24/2007 |
| 7227290 | Rotor core and direct-current motor A core includes a ring body and a plurality of teeth. The teeth extend radially outward form the outer circumference of the ring body. The core is formed by assembling a first core member and a second core member. Each core member has part of the teeth the number of... | 06/05/2007 |
| 7221067 | Armature and method for manufacturing armature An armature for a motor. The armature includes a core formed of compression-molded metal powder. The core has a continuous outer wall, an inner wall defining a slot, and a nonmagnetic section arranged on the outer wall. A coil is arranged in the slot. The coil and t... | 05/22/2007 |
| 7211913 | Motor cooling system The motor cooling system of the present invention is a system for cooling a three-phase alternating current motor mounted on a vehicle as a traction motor where oil is introduced as cooling oil from driving-related equipment of the vehicle, wherein the traction moto... | 05/01/2007 |
| 7202586 | Electrical contact member There is provided an electrical contact member where wear can be reduced. The electrical contact member is characterized by one or both of conductive metal particles and conductive metal fibers, at least outer circumferential surfaces of which have been modified wit... | 04/10/2007 |
| 7155804 | Method of forming an electric motor A stator is provided for an electrical device (e.g., a motor) comprised of one or more stator segments formed by the compaction of one or more powdered metallic materials. Each stator section has at least one tooth that forms a substantially toroidal path for magnet... | 01/02/2007 |
| 7151334 | Permanent magnet type rotor and method of manufacturing the rotor A permanent magnet type rotor comprises an inner member 2 having an outer ring portion 21; an approximately annular outer member 1 having soft magnetism and an inner circumference contacting with an outer circumference of the outer ring portion;... | 12/19/2006 |
| 7148598 | Spoke permanent magnet rotors for electrical machines and methods of manufacturing same A rotor assembly for an electric motor includes a spoke permanent magnet rotor and a shaft connected thereto. The spoke permanent magnet rotor has an axis of rotation, permanent magnet material, and ferro-magnetic material. The permanent magnet material extends outw... | 12/12/2006 |
| 7146708 | Method of making a composite electric machine rotor assembly A method of making composite electric machine rotor assembly of a desired magnetic pattern. Magnetic segments and non-magnetic segments are separately formed to green strength, and then arranged adjacent to each other in a desired magnetic pattern. A small amount of... | 12/12/2006 |
| 7145280 | Stator for a dynamoelectric machine having a split ferromagnetic core A method and apparatus for production of stator windings for dynamoelectric mechines of different configurations is provided. The windings are preferably formed on a bobbin (10) or similar article, which may then be transferred onto an appropriate carrier suc... | 12/05/2006 |
| 7129595 | Hybrid electro-mechanical vehicular transmission having multiple modular motor/generators assembled from like components An improved hybrid electro-mechanical vehicular transmission includes motor/generator modules assembled from like components. This is accomplished by providing “punch-out” tabs on the motor/generator module housing enabling the housing to be used on either the f... | 10/31/2006 |
| 7129611 | Method and radial gap machine for high strength undiffused brushless operation A radial gap brushless electric machine (30) having a stator (31) and a rotor (32) and a main air gap (34) also has at least one stationary excitation coil (35a, 36a) separated from the rotor (32) by a s... | 10/31/2006 |
| 7105974 | AC motor having stator windings formed as loop coils, and control apparatus for the motor A synchronous AC motor has a stator with stator poles arranged as a plurality of circumferentially extending stator pole groups, with each stator pole group having a pair of corresponding circumferentially extending loop-configuration stator windings disposed adjace... | 09/12/2006 |
| 7106163 | Core An isolation transformer core having a coil and a core member made by injection molding a mixture containing 10 to 50±3 volume % of a soft magnetic material and the remainder being an insulating material having an electrical insulating property. ... | 09/12/2006 |
| 7064469 | Core back of an electrical machine and method for making the same An essentially ring shaped core back for an electrical machine comprising a plurality of stacked, ring shaped sheets of soft magnetic material, a barrier of electrical resistance arranged between two adjacent sheets of soft magnetic material for reducing effects of ... | 06/20/2006 |
| 7064468 | Brush-less motor using vernier structure A brush-less motor includes a rotor with a magnet alternately magnetized N pole and S pole in a rotating direction, and a core with plural salient poles on which coils are wound. The core faces the magnet to form a magnetic circuit. Each one of the salient poles are... | 06/20/2006 |
| 7012348 | On-vehicle AC generator An on-vehicle AC generator that comprises a rotor; and a stator including a cylindrical stator iron core in which a plurality of slots extending in axial direction of a shaft are formed to be circumferentially aligned, and which is fitted to and supported in a case ... | 03/14/2006 |
| 7005764 | Electrodynamic apparatus and method of manufacture Electrodynamic apparatus such as a motor, generator or alternator is configured having a stator core assembly formed of pressure shaped processed ferromagnetic particles which are pressure molded in the form of stator modules. These generally identical stator module... | 02/28/2006 |
| 6956307 | Soft magnetic composite powder metal cores A stator core assembly for use in an electrical machine is provided. The stator core assembly includes a plurality of core components. Each core component forms an arcuate section of the stator core assembly. Each core component is comprised of at least two core com... | 10/18/2005 |
| 6950276 | Disk drive motor and disk drive storage device incorporating same A disk drive comprising a rotor, to which a disk and a plurality of magnets are fixed, and an open-slot type integrally molded stator disposed about an outer periphery of the magnets, and wherein the stator comprises coils formed by etching metallic films on teeth. ... | 09/27/2005 |
| 6900559 | Rotor magnet, motor and stepping motor To provide a rotor magnet which is small in size and provided with high magnetic energy, a rotor magnet is formed by adding a SmFeN magnetic powder to a binder such as a polyaxnide. The SmFeN magnetic powder is provided in a size of about one-tenth that of an NdFeB ... | 05/31/2005 |
| 6888270 | Manufacturing method and composite powder metal rotor assembly for circumferential type interior permanent magnet machine A composite powder metal disk for a rotor assembly in a circumferential type interior permanent magnet machine. The disk includes an inner ring of magnetically conducting powder metal compacted and sintered to a high density. The disk further includes an outer ring ... | 05/03/2005 |
| 6856051 | Manufacturing method and composite powder metal rotor assembly for circumferential type interior permanent magnet machine A composite powder metal disk for a rotor assembly in a circumferential type interior permanent magnet machine. The disk includes an inner ring of magnetically conducting powder metal compacted and sintered to a high density. The disk further includes an outer ring ... | 02/15/2005 |
| 6812608 | Direct current motor having field magnets formed by injection molding synthetic resin, with which magnetic particles are mixed, to the inner periphery of the stator core Field magnets are attached to an inner periphery of a stator core, which defines a rotor through hole. The stator core has a plurality of recesses open to the rotor through hole. Each recess faces magnet end portions of the field magnets. The recess surface of the r... | 11/02/2004 |
| 6803695 | Armature, manufacturing method of armature, and motor An armature includes a rotary shaft, a core, and a coupling member. The core is formed by using magnetic metal powder and has a tooth. A wire is wound about the tooth. The coupling member has a ductility that is higher than the ductility of the core. The coupling me... | 10/12/2004 |
