Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
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 |
| 7642687 | Short-circuit member for a commutator and an armature The number of conductor members in a first conductor member group and the number of conductor members in a second conductor member group are equal to each other and are odd numbers. An inner terminal of each conductor member is displaced from an outer terminal of th... | 01/05/2010 |
| 7626307 | Short-circuit member for a commutator and an armature The number of conductor members in a first conductor member group and the number of conductor members in a second conductor member group are equal to each other. An inner terminal of each conductor member is displaced from an outer terminal of the same conductor mem... | 12/01/2009 |
| 7352103 | Motor assembly with a sealed commutator/brush interface A motor assembly includes a commutator having a shaft extending axially therefrom, a commutator end bracket assembly, and at least two brushes carried by the commutator end bracket assembly and in contact with the commutator. A disc is carried by the commutator for ... | 04/01/2008 |
| 7348700 | Automotive alternator having water shield for protecting brushes from water damage An automotive alternator according to the present invention includes a rotary shaft, slip rings, a brush holder, brushes, a cover, a seal member, a cooling air flow path, and a water shield. The slip rings are fixed to an end portion of the rotary shaft. The brushes... | 03/25/2008 |
| 7291957 | Universal terminal bar structure with ground contacting feature integrated into a body structure with versatile RFI suppression for electric motors A method of providing RFI suppression in a DC motor provides a universal terminal bar structure 70 including a positive terminal bar 72 and a negative terminal bar 76, a first choke 80 electrically connected with the positive terminal bar... | 11/06/2007 |
| 7285960 | Measuring device, and method for locating a partial discharge A device and a method for locating partial discharges in a conductor rod of a dynamo-electric machine are provided, the conductor rod being provided with an exterior electrical insulation. A first and a second sensor are embodied so as to detect a signal which is ge... | 10/23/2007 |
| 7274126 | Motor armature having distributed windings for reducing arcing 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 winding a first coil into a first pair of slots of the armature. A second c... | 09/25/2007 |
| 7239060 | Brush DC motors and AC commutator motor structures with concentrated windings Structures of direct current motors or ac commutator (Universal) motors which use a concentrated winding on the rotor with coils wound around the teeth. The number of commutator segments is higher than the number of rotor teeth. Several coils are wound around the sa... | 07/03/2007 |
| 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 |
| 7193349 | Brush holder for a carbon brush An electric motor, in particular a motor and gear box unit for activating functional equipment in a vehicle, includes a rotor shaft carrying a commutator co-operating with conductive brushes disposed in brush supports fixed to a printed circuit card; the motor is pr... | 03/20/2007 |
| 7180214 | Condenser fan motor dust shield A dust shield for a refrigeration condenser fan motor includes a shroud having an opening for a motor output shaft, and a hub extending from the shroud. The shroud forms an enclosure to prevent contaminants from interfering with operation of the motor. The hub inclu... | 02/20/2007 |
| 7180213 | Vibration motor having brushes with different osculatory tracks A vibration motor includes a stator assembly, a rotor assembly, a shaft and a pair of brushes having different osculatory tracks. The stator assembly includes a magnet and a lower substrate. The rotor assembly has an eccentric weight, and includes a commutator posit... | 02/20/2007 |
| 7155811 | 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 ... | 01/02/2007 |
| 7132777 | Electric motor and brush retaining assembly The present invention generally provides a motor-fan unit including a motor assembly having a shaft, a commutator supported on the shaft, and a pair of brushes in electrical contact with the commutator, a fan assembly having an impeller coupled to the shaft, an end ... | 11/07/2006 |
| 7129610 | Commutator for an electric motor A commutator includes a support ring and a plurality of conducting segments arranged over a circumference of the support ring. Some of the conducting segments have an electrically insulating portion. The commutator is employed with a device that measures rotation of... | 10/31/2006 |
| 7109628 | Motor having supply brushes A motor has a plurality of excitation coils, a commutator having a plurality of segments, a plurality of supply brushes and a short-circuit line. Each coil is connected to corresponding ones of the segments. The supply brushes include a plurality of supply brushes e... | 09/19/2006 |
| 7105966 | Electric motor An electric motor for blowers in motor vehicles, having a motor housing which includes as its housing components a pole housing and a bearing lid mounted on the pole housing, and having an electronics housing for receiving electronic components of an electronic unit... | 09/12/2006 |
| 7102266 | Motor assembly with a sealed commutator/brush interface A motor assembly includes a commutator having a shaft extending axially therefrom, a commutator end bracket assembly, and at least two brushes carried by the commutator end bracket assembly and in contact with the commutator. A seal is carried by either the commutat... | 09/05/2006 |
| 7088028 | Ring cap for use on commutator in miniature electric motor for absorbing electrical noise/sound A rotor assembly for an electric motor, including: a rotor shaft, an armature, wire windings and a commutator, wherein the rotor assembly further includes a ring cap directly connected with the commutator. The ring cap includes chip capacitors soldered on a printed ... | 08/08/2006 |
| 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 |
| 7071643 | Dual speed quad brush two pole motor system A motor system includes four brushes electrically connected to a rotor. A stator includes two magnetic poles. A circuit selectively rotates the rotor at a first speed by applying a first voltage to a first of the brushes and a second voltage to a second of the brush... | 07/04/2006 |
| 7045926 | Commutator for an electric motor A commutator for an electric motor includes a support ring, a plurality of metal segments arranged around a circumference of the support ring, and a plurality of capacitors arranged between the support ring and the metal segments. Each capacitor is connected between... | 05/16/2006 |
| 7036776 | Ice cream cone holding apparatus An ice cream cone holding apparatus includes a housing including a base and a vertical portion that is attached to and extends upwardly from the base. An opening extends into an upper end of the vertical portion and through a bottom surface of the base. A saddle is ... | 05/02/2006 |
| 7030582 | Digital adaptive sensorless commutational drive controller for a brushless DC motor Devices and methods for controlling brushless, sensorless DC motors are disclosed. In one embodiment, an electrical motor is provided with a rotor, a stator, and a semiconductor on insulator (SOI) application-specific integrated circuit (ASIC). The ASIC is configure... | 04/18/2006 |
| 7019425 | Device for noise suppressing of small electric motors The invention is related to a device for the noise suppression of small electric motors with a Cx capacitor to be installed between two connections (A1, A2) of the small electric motor as well as Cy capacitors installed between ea... | 03/28/2006 |
| 7015608 | Method and apparatus to suppress electrical noise in a rotor assembly for an electrical machine A dynamoelectric machine includes a rotor having a rotor shaft; two flux carrying segments rotatably disposed on the rotor shaft; a field coil disposed between the two flux carrying segments, the field coil having a pair of coil leads; an insulative member disposed ... | 03/21/2006 |
| 6987344 | High power rotary transformer with bus duct assembly A rotary transformer has a bus duct assembly that extends through the hollow shaft of a rotary transformer from collector or slip rings positioned above a drive motor for the rotary transformer to end windings of the rotor positioned most remote from the drive motor... | 01/17/2006 |
| 6966296 | Throttle device A throttle device which prevents the entry of foreign compounds into a slidable contact portion between a brush and a commutator is provided to prevent the malfunctioning of a motor. A first shielding portion is integrally formed in a brush holder, which is attached... | 11/22/2005 |
| 6895176 | Method and apparatus for controlling electronically commutated motor operating characteristics A permanent magnet DC brushless motor control assembly permits a user to select the permanent magnet DC brushless motor operating characteristics by selecting appropriate control circuits to interface with the motor. The assembly includes a permanent magnet DC brush... | 05/17/2005 |
| 6867515 | Interference suppression in an engine with permanent magnets activating a functional motor vehicle element The invention concerns an interference suppression system in an engine with permanent magnets activating a functional motor vehicle element, wherein the engine (1) comprises powering brushes (8, 9), connected to an external power source (12) wit... | 03/15/2005 |
| 6822365 | Small brush motor A small brush motor which uses a three-electrode varistor and which suppresses disconnection or short-circuits of crossover wires of coils. Each phase coil of the three-phase coil of an armature uses three risers and two salient poles, each phase coil having a zigza... | 11/23/2004 |
| 6806603 | Flat type vibration motor A flat type vibration motor includes a rotor rotatably assembled between a stator and a housing, wherein the rotor includes an insulator of eccentric mass integrally containing at least a winding coil corresponding to the magnet and a weight arranged eccentrically a... | 10/19/2004 |
| 6744170 | Brush assembly A brush assembly for an electric motor has a base which secures the brush assembly to a motor spider. A brush housing is associated with the base and has first and second open ends. A brush defining an axis is movably positioned in the housing between the first and ... | 06/01/2004 |
| 6734594 | Vibration motor A vibration motor having a rotor and a stator is provided. The vibration motor includes a commutator mounted on the rotor and a brush mounted on the stator. The brush is line contact with the commutator of rotor in order to maintain a stable contact between the comm... | 05/11/2004 |
| 6724121 | Flat mechanical electric commutators An improved flat or cylindrical mechanical electric commutator with neutral segments (4) between the current carrying segments which allow the current carrying carbon brushes (11, 12, 13, 14) in a brush holder (7) to pass from a negative current... | 04/20/2004 |
| 6700289 | Direct current commutator motor A DC commutator motor that is driven by a direct current power source obtained by rectifying an alternating current power source includes a plus-side brush made of material having a high resistivity and a minus-side brush made of material having a low res... | 03/02/2004 |
| 6479917 | Motor brush structure and motor-driven power steering device using the same motor To present a motor brush structure capable of decreasing the current ripple and torque ripple substantially while minimizing the cost increase, and, by using the same motor, a motor-driven power steering device capable of suppressing generation of working... | 11/12/2002 |
| 6417595 | Spark suppression dust sealing for a motor apparatus In one embodiment of the present invention, an electric motor is provided. A component of the electric motor, the commutator assembly, has a commutator and a brush assembly. The brush assembly encloses conductive brushes that are in contact with the commu... | 07/09/2002 |
| 6362555 | Small motor with improved connecting structure between coil, riser and varistor When winding an armature coil, start S of a winding is entwined around a riser R1, the wire is wound via a riser R4 around a salient pole P1 adjacent to the riser R4 and an opposed salient pole P2 to the salient pole P1 in order, and leads from a riser R3... | 03/26/2002 |
| 6310418 | Reduction of sparking in large rotating electrical machines In a large rotating electrical machine having a rotor comprising conductor bars of copper located in slots in a rotor core and connected together at their ends to form a winding, the conductor bars are electrically insulated from the rotor core by a coati... | 10/30/2001 |
