Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8089182 | Image forming apparatus A motor assembly to minimize deformation of a vibration-proof member and to achieve stable motor mounting configuration, as well as an image forming apparatus employing the motor assembly, are disclosed. The motor assembly includes a motor, a fixing member to which ... | 01/03/2012 |
| 8080907 | Rotor of brushless (BL) motor The present invention provides a rotor of a brushless (BL) motor, including: a high-strength engineering plastic member formed by injection-molding high-strength engineering plastic around a concavo-convex portion 12a formed on the outer circumferentia... | 12/20/2011 |
| 8018101 | Motor A motor may include a rotor having a rotation shaft, a stator disposed on an outer peripheral side of the rotor, an output side bearing which supports an end part on an output side of the rotation shaft in a radial direction and an axial direction, a frame which is ... | 09/13/2011 |
| 8018100 | Permanent magnet motor having an axially magnetized pull magnet A permanent magnet motor having an axially magnetized pull magnet consisting of a baseplate on which a stator lamination stack having stator windings is disposed, wherein a hub is disposed opposite the baseplate, the hub being connected to a shaft that is supported ... | 09/13/2011 |
| 8013481 | Detuner for tuning torsional mode of a rotating body A solution is provided for tuning the frequency of a torsional mode of interest of a rotating body (such as a generator rotor torsional mode) by adding a detuner to act as an undamped torsional vibration absorber. The detuner may be coupled to an overhung shaft exte... | 09/06/2011 |
| 7956499 | Motor magnetic force attenuator Motors having a magnetic force attenuator are described. In some embodiments, the motors comprise a stationary member having a base and a stator, a rotating assembly having a magnet and a magnetic force attenuator to attenuate the magnetic attraction force between t... | 06/07/2011 |
| 7936098 | Rotary electric machine A rotary electric machine, for solving problems that a space for installing the noise insulation enclosure around the rotary electric machine and a base for installing the noise insulation enclosure are necessary, and that the noise insulation enclosure reducing the... | 05/03/2011 |
| 7893572 | Motor attachment assembly for plastic post isolation system The invention provides for a motor attachment assembly that includes an electric motor having spring clips adapted to securely lock onto the isolation posts of a plastic post vibration isolation system. The motor includes an end cap that has notches which cooperate ... | 02/22/2011 |
| 7868493 | Motor having rotation balancing member A motor includes a base, a stator mounted to the base, a rotor rotatably coupled to the base, and a balancing member. The rotor includes a permanent magnet having a first magnetically conductive face with a first width in a radial direction. The balancing member inc... | 01/11/2011 |
| 7855479 | Noise suppression structure of blower motor In a noise suppression structure of a blower motor according to the present invention, a noise reduction member is disposed inside of a peripheral wall part of an end bracket member in such a manner that the noise reduction member is located in a position opposite s... | 12/21/2010 |
| 7847444 | Electric motor assembly with stator mounted in vehicle powertrain housing and method An electric motor assembly in a vehicle powertrain is provided with a generally annular stator fit within an interior cavity of the powertrain defined by a housing. Roll pins are fit between the housing and the stator. The stator may have a plurality of first geomet... | 12/07/2010 |
| 7830049 | Motor and disk drive using the same A thrust yoke is fixed into a second recessed portion of a base with adhesive. The second recessed portion has a first surface to be in contact with the bottom surface of the thrust yoke, and a second surface axially opposing the bottom surface of the thrust yoke wi... | 11/09/2010 |
| 7812485 | Shock absorbing connector A motor, including at least a stator core (1), a shaft (2) nested around the stator core (1), and shock-absorbing connector, wherein the shock-absorbing connector is disposed between the stator core (1) and the shaft (2) so as to a... | 10/12/2010 |
| 7786628 | Rotor assembly with balancing member A rotor assembly for an electronic machine such as a motor includes a rotor on a shaft having a bearing at each end portion, the bearings being arranged to rotatably support the rotor and shaft. The assembly further includes a balancing member, from which material m... | 08/31/2010 |
| 7786629 | Electric motor mounting structure When a bracket to which an electric motor for wipers has been attached is attached to a vehicle body via a rubber mount therebetween for antivibration, vibrations generated when the electric motor is actuated are prevented from being transmitted to the body while al... | 08/31/2010 |
| 7745964 | Brushless motor In a brushless motor, a stator includes an annular core member. A rotatable shaft is placed radially inward of the core member and extends in an axial direction. A rotor is supported by the rotatable shaft. A centerpiece supports the core member and includes a cente... | 06/29/2010 |
| 7737583 | Vibration-damping rotor assembly A rotor assembly comprising: an inner rotor and an outer rotor for rotating in a magnetic field of a motor, the inner rotor comprising a main inner rotor cavity, and a plurality of first holes being formed between the inner rotor and the outer rotor; two side boards... | 06/15/2010 |
| 7696656 | Motor assembly incorporating a securely positioned electromagnetic disturbance suppression device A motor assembly (20) includes a motor (22) and an end cap (26). The end cap (26) includes an electrically insulating body (28) having a peripheral edge (30) that interfaces with a conductive housing (24) of the motor... | 04/13/2010 |
| 7696655 | Automatic balancing apparatus, rotating apparatus, disc drive apparatus, and balancer An automatic balancing apparatus is disclosed. The automatic balancing apparatus includes a plurality of magnets, magnetic fluid, and a rotatable housing. The magnets function as balancers. The rotatable housing has a moving path disposed along a peripheral directio... | 04/13/2010 |
| 7679233 | Decoupling device and method for the production of an electric motor The invention relates to a device for mounting an electric motor (10) in a manner that isolates vibrations, in particular a fan motor, wherein the electric motor (10) features at least one pole housing (12, 14) serving as a magnetic yoke circuit... | 03/16/2010 |
| 7679232 | Rotary electric machine In a power generator provided with a stator frame having a stator iron core incorporating a stator coil therein in an inner portion thereof, and a rotor in which a rotor coil rotating so as to oppose to the stator frame and the stator iron core is incorporated, the ... | 03/16/2010 |
| 7659644 | Brushless motor and manufacturing method thereof A centerpiece rotatably supports a rotatable shaft therein. A stator core is placed radially outward of the centerpiece. A generally cylindrical vibration isolator is made of a resilient material and is radially placed between the centerpiece and the stator core. | 02/09/2010 |
| 7659645 | Vibration-damping rotor assembly A rotor assembly comprising a rotor for rotating in a magnetic field of a motor, the rotor comprising a main rotor cavity and a plurality of first holes; two side boards, each side board comprising a sleeve-shaped main side board body and a disc-shaped outer side bo... | 02/09/2010 |
| 7656063 | Pump motor A rotor is accommodated in a yoke housing. Six magnets are arranged at equal intervals in the circumferential direction on the inner circumferential surface of the yoke housing so as to face the rotor. The core is generally cylindrical and includes an annular portio... | 02/02/2010 |
| 7576457 | Electric power steering apparatus An electric power steering apparatus includes; a DC brush motor, and a boss arranged between an output shaft of the motor and an input shaft driven by the motor, for transmitting a rotational force of the motor from the output shaft to the input shaft by the boss pe... | 08/18/2009 |
| 7566998 | Decoupling device and method for the production of an electric motor The invention relates to a device for mounting an electric motor (10) in a manner that isolates vibrations, in particular a fan motor, wherein the electric motor (10) features at least one pole housing (12, 14) serving as a magnetic yoke circuit... | 07/28/2009 |
| 7560837 | Automotive alternator with rotary magnetic fluctuation suppressor An automotive alternator includes a rotary shaft, a pulley, a stator, a rotor, and a magnetic fluctuation suppressor. The pulley is provided on the rotary shaft to transmit rotating power from an engine to the rotary shaft. The stator includes a stator winding. The ... | 07/14/2009 |
| 7554226 | Axial air gap type electric motor A magnetic pre-pressurizing section for pre-pressurizing the inner ring of the bearing in the axial direction by a difference of magnetic forces of permanent magnets of the two rotors is arranged. The magnetic pre-pressurizing section is constructed by a difference ... | 06/30/2009 |
| 7550881 | Vibration damper for generator or motor stator A vibration damping sleeve for a stator assembly having radial vibration isolator features at both ends is provided. At one end, the vibration damping sleeve comprises a groove for a damping element such as an annular gasket while a plurality of beams circumferentia... | 06/23/2009 |
| 7495359 | Actuator In actuators where an electric motor, via a transmission, drives an activation element intended to cause movement of an adjustable element in the structure in which the actuator is incorporated, particularly within the furniture sector, hospital beds and sickbeds. T... | 02/24/2009 |
| 7434240 | Spindle motor including a ball cover having decelerating portion Provided is a spindle motor comprising a stator and a shaft provided in the stator. A rotor is coupled with the shaft, and a turntable is connected with the shaft. The turntable has a ball container for receiving a plurality of ball, and the ball container has an in... | 10/07/2008 |
| 7417345 | Fan assembly with magnetic thrust bearings A motor. The motor includes a stator, a rotor, a top magnetic structure, and a bottom magnetic structure. The stator is disposed in a frame. The rotor is also disposed in the frame, corresponding to the stator. The rotor comprises a shaft, extended axially from the ... | 08/26/2008 |
| 7405500 | Bonding apparatus A wire bonding apparatus 10 including an X table 18 guided to move in the X direction on an XY table base 14 and a driving motor 20 mounted on a motor base 16 with the movable element 22 of the driving motor 20 connec... | 07/29/2008 |
| 7391137 | Circuit arrangement for EMC interference suppression for a direct current motor and a switching module The invention relates to a circuit arrangement and a switching module, in which an attenuator is, for EMV suppression of a DC motor, connected to the lines of the DC motor. The attenuator comprises a ferrite, particularly a common mode ferrite. ... | 06/24/2008 |
| 7382068 | Spindle motor and stator structure thereof A spindle motor includes a stator structure and a rotor structure coupled to the stator structure. The stator structure has a stator base, a magnetic conductive structure surrounding the stator base, and a first buffer structure provided in the gap defined by the st... | 06/03/2008 |
| 7372662 | Base deck with formed-in-place gaskets and impact dissipation members for a data storage device A base deck is provided and includes a base plate having a plurality of parallel surfaces and a plurality of gasket retention grooves formed. A first gasket retention groove is formed in one of the plurality of parallel surfaces that is proximate a top cover. A seco... | 05/13/2008 |
| 7370829 | Method and system for controlling helicopter vibrations A method/system for controlling helicopter vibrations is provided that includes a vibration canceling force generator for actively generating a vibration canceling force. The system includes a resonant actuator having a natural resonant frequency and a resonant actu... | 05/13/2008 |
| 7367325 | Fuel feed apparatus having electric connector A fuel feed apparatus is provided to a fuel tank. The fuel feed apparatus includes a lid member, a pump module, and an electric connector. The lid member plugs an opening of the fuel tank. The pump module is accommodated in the fuel tank for pumping fuel from the fu... | 05/06/2008 |
| 7367107 | Method for making a disk drive head stack assembly having a tapered pivot bearing A disk drive head stack assembly (66) of a configuration that facilitates the assembly thereof is disclosed. One or more head/arm assemblies (74) are mounted on a pivot bearing (118). This pivot bearing (118) includes a tapered section ( | 05/06/2008 |
| 7365471 | Internal cooling fan with a non-repeating blade configuration An internal cooling fan assembly for use with a claw-pole segment of a rotor assembly is provided that maximizes air flow while providing a reduced sound signature. The fan assembly includes a base portion that contacts the claw-pole segment when the fan assembly is... | 04/29/2008 |
