Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7696667 | Split stator of electric motor A stator of an electric motor is formed by a plurality of split stators that are divided in a circumferential direction of the cylindrical stator. Each split stator comprises a yoke portion that is divided in the circumferential direction, a tooth portion that exten... | 04/13/2010 |
| 7638920 | 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 7... | 12/29/2009 |
| 7418843 | Drum type washing machine A washing machine has a tub that may be made of plastic. A drum is rotatably installed in the tub. A shaft may pass through the tub and connect to the drum for transmission of a driving power from a motor to the drum. The washing machine has a bearing supporting par... | 09/02/2008 |
| 7414347 | End cap for segmented stator 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... | 08/19/2008 |
| 7408282 | End shields and stators and related methods of assembly An electric machine includes an end shield and a stator. The stator may be a segmented stator or a non-segmented stator. At least one track is defined by either the stator or the end shield, and at least one pin is defined by the other one of the stator and the end ... | 08/05/2008 |
| 7402934 | High performance air core motor-generator winding A motor-generator for converting between electrical and rotational energy includes a rotor mounted for rotation about an axis of rotation relative to a stationary a stator that magnetically interacts with the rotor. The rotor has two spaced apart rotor portions that... | 07/22/2008 |
| 7397162 | Method and apparatus for checking stator core alignment In one embodiment the present invention provides for a method for checking the alignment of a stator core that comprises placing a laser source 14 and a target 18 a given distance apart on a stator core 10 and activating the laser such that the ... | 07/08/2008 |
| 7380424 | Drum type washing machine Drum type washing machine including a tub of plastic having a wall for holding washing water therein and mounting a driving part thereon, a drum rotatably arranged inside of the tub, a shaft passed through the tub and connected to the drum for transmission of a driv... | 06/03/2008 |
| 7372184 | Stator of motor A stator of a motor having various shapes and capable of minimizing the manufacturing costs. At least teeth are manufactured by the iron powder metallurgy method. In order to obtain the overhang effect, the height of a tip of each tooth is lower than the height of a... | 05/13/2008 |
| 7372181 | Rotor for brushless motor and brushless motor A rotor for a brushless motor which can securely prevent an idle running and a scattering of a magnet while restricting a manufacturing cost as low as possible. The rotor is provided with a sintered ring magnet in which not-ground recess portions are formed in an ax... | 05/13/2008 |
| 7368844 | Magnetoelectric 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 en... | 05/06/2008 |
| 7355312 | Brushless Motor Small brushless motor having high output and small torque ripple. The brushless motor includes induction voltage adjusting means. With this, induction voltage of each phase of the stator is adjusted into a flatly spread waveform having no abrupt variation where odd-... | 04/08/2008 |
| 7353586 | Method of horizontally stacking a stator core within a stator frame The present invention provides a method for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have groo... | 04/08/2008 |
| 7348706 | Stator assembly for an electric machine and method of manufacturing the same A stator for a multi-phase electric machine having a plurality of core segments interconnected with one another and a plurality of coils. At least one core segment includes a plurality of teeth and a back portion that at least partially interconnects the teeth. The ... | 03/25/2008 |
| 7345396 | Metallic laminations for magnetic circuits Metallic laminations for magnetic circuits. Some of the illustrative embodiments may be a magnetic circuit comprising a low reluctance magnetic flux path comprising a plurality of stacked metallic laminations (each lamination having an edge), and an air gap in opera... | 03/18/2008 |
| 7340821 | Stator and resolving method and device thereof The method for resolving the stator having a coil disposed in the slots provided around an inner circumferential face of a cylindrical iron core and having an opening portion includes a step of enlarging the opening portion of the slot, and a step of extracting the ... | 03/11/2008 |
| 7342343 | Stator and resolving method and device thereof The method for resolving the stator having a coil disposed in the slots provided around an inner circumferential face of a cylindrical iron core and having an opening portion includes a step of enlarging the opening portion of the slot, and a step of extracting the ... | 03/11/2008 |
| 7340820 | Machine stator fabrication method A machine stator is fabricated by positioning pre-wound stator windings with respect to a laminated stator yoke and directly molding composite tooth tips into contact with respective teeth of the laminated stator yoke, or by positioning pre-wound stator windings aro... | 03/11/2008 |
| 7339301 | Stator structure of motor A stator structure comprising at least one first magnetic conductive plate and at least one second magnetic conductive plate, each magnetic conductive plate having a plurality of radial arms and pole tooth provided on ends of the radial arms, wherein the pole teeth ... | 03/04/2008 |
| 7327065 | Motor, stator for the same, and manufacturing method thereof A motor having a stator that is configured by including a plurality of magnetic partial core members, which have a plurality of split ring cores forming a ring and coil support cores projecting outwardly from the respective center portions of the split ring cores. T... | 02/05/2008 |
| 7321176 | Multi pole electrical machine with reduced cogging force A multi pole electrical machine includes an armature and a stator. The armature is movable in a direction of armature motion with regard to said stator and includes armature pole pairs. These armature pole pairs follow each other in the direction of armature motion.... | 01/22/2008 |
| 7315104 | Iron core and method of manufacturing the same and apparatus for manufacturing the same An apparatus for manufacturing an iron core comprising: a plate thickness measurement unit for measuring a thickness of the strip as an intermediate product of the iron core; an inlet guide for positioning the strip in a widthwise direction thereof; a mil roll unit ... | 01/01/2008 |
| 7312550 | Architecture for electric machine In one aspect, an alternator is described which includes a current control apparatus including a stator winding and a control winding, wherein current control in the control winding regulates the stator winding. In another aspect, a gas turbine engine includes a mul... | 12/25/2007 |
| 7302754 | Horizontal assembly of stator core using a central rail structure The present invention provides for a method and apparatus of horizontally stacking a stator core. A central rail structure 34 that runs down approximately the center axis of the stator frame 2, and attached to the central rail structure are adjustable ... | 12/04/2007 |
| 7291955 | Motor stator teeth with insulators A motor stator in one implementation includes a plurality of teeth disposed in a radial form centered about a predetermined center axis, insulators covering the plurality of teeth, and a plurality of coils provided on each of said plurality of teeth by winding condu... | 11/06/2007 |
| 7288923 | Voltage-limited electric machine An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different portions of the winding which may be configured relative to one another... | 10/30/2007 |
| 7285892 | Stator having teeth with a projecting portion extending outwardly from a winding portion and a yoke portion In the field of stators including divided tooth-shaped iron cores and core back iron cores, a stator is provided in which the tooth-shaped iron cores and the core back iron cores can be easily connected to each other, and the tooth-shaped iron cores and the core bac... | 10/23/2007 |
| 7285893 | 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 assembl... | 10/23/2007 |
| 7282830 | Stator for an electrical machine A stator for an electrical machine is proposed that has a stator winding (45) that is held by a stator core (10) that is formed into an annular shape. The stator core (10) has grooves (14) and teeth (13) on its radially inwardly or... | 10/16/2007 |
| 7268459 | Electric power steering apparatus The electric power steering apparatus includes a brushless motor as an electric motor. The motor has a rotor and a stator 34. The stator 34 includes: a back core BY; a plurality of teeth TS disposed along the circumference of the back core protruding f... | 09/11/2007 |
| 7268457 | Insulator, armature and rotary electric machine The present invention relates to an insulator to be disposed in an armature core having a plurality of radially-formed salient poles. The insulator comprises a winding aligning portion having an approximately V shape (forming an angle of 60 degrees) and getting narr... | 09/11/2007 |
| 7265473 | Reduction of core-end losses of dynamoelectric machines by using lower core loss iron silicon punching Electric machines can be improved or uprated to reduce core-end losses using lower core loss material such as high grade iron silicon. A machine uprating entails removing at least a last one of the stacked lamination packages at each end of the stator core, and re-s... | 09/04/2007 |
| 7262540 | Stator of outer rotor type motor for drum type washing machine The present invention provides an outer rotor type motor for a drum type washing machine to reduce material and weight for fabrication, simplify fabrication process, provide stable assembly of a stator to a fixing side, such as a tub or a bearing housing, prevent un... | 08/28/2007 |
| 7262527 | Stator assembly made from a molded web of core segments and motor using same A plurality of stator 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 used... | 08/28/2007 |
| 7262538 | Concentrated winding stator coil for an electric rotary machine A tooth coil of a concentrated winding stator includes a first layer coil arranged by successively winding a flat type wire around a tooth in a direction advancing from a proximal end portion to a distal end portion of the tooth and a second layer coil arranged by s... | 08/28/2007 |
| 7260880 | Method for manufacturing a stator core for a dynamoelectric machine A method of manufacturing a stator core for a dynamo-electric machine by preparing a cylindrical laminated body by winding into a helical shape a continuous first sheet formed by press-punching from a strip-shaped first magnetic steel sheet material, preparing a plu... | 08/28/2007 |
| 7253548 | Method and apparatus for controlling an electric machine The invention provides a method and apparatus for controlling a machine in which the magnetic flux emanating from a rotor is selectively diverted to a second path in the stator which bypasses the winding or windings so as to magnetically de-couple the winding or win... | 08/07/2007 |
| 7253547 | Stator of motor, and method for manufacturing the same The present invention discloses a stator of a motor including a circular stator core formed by stacking a plurality of sheets, a plurality of bobbins fixed to the inner circumferential surface of the stator core at predetermined intervals and rotatably connected to ... | 08/07/2007 |
| 7242128 | 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... | 07/10/2007 |
| 7227291 | Stator for an electrical machine A stator (50) for an electrical machine. A core of the stator (50) is made up of a series of connected segments (42), that are rotatable relative to one another during an assembly operation. Each segment (42) includes a radially outermost... | 06/05/2007 |
