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 |
| 8179006 | Motor A motor is disclosed. In accordance with an embodiment of the present invention, the motor includes a base, a shaft, which has an end part thereof coupled to the base, a stopper, which is coupled to the shaft and has a latch protruded in a direction of diameter of t... | 05/15/2012 |
| 8179005 | Motor A motor includes a base, a stator and a rotor. The base is equipped with a shaft tube having an outer circumferential wall. The stator is coupled with the shaft tube of the base and has an assembly hole. A plurality of close-fitting portions is formed between an inn... | 05/15/2012 |
| 8148862 | Bearing device, spindle motor and disk drive apparatus A bearing device includes a shaft, a sleeve and a thrust plate. The shaft includes a convex portion having a curved surface provided at one end thereof. The sleeve includes an inner circumferential surface opposed to an outer circumferential surface of the shaft. Th... | 04/03/2012 |
| 8143756 | Cooling fan with quick assembling structure A cooling fan includes a base having a hollow bearing cup for receiving a bearing therein, a motor winding support mounted to a top of the bearing cup, and a blade hub mounted atop the motor winding support. The bearing cup is externally provided with channels and s... | 03/27/2012 |
| 8138646 | Rotatable shaft assembling method, rotatable shaft assembly, and electric motor having the same At the time of assembling an electric motor, plain bearings are installed over a worm shaft to form a shaft assembly. Then, the worm shaft together with the plain bearings is inserted into a gear housing in an inserting direction, which is generally parallel to an a... | 03/20/2012 |
| 8134263 | Bearing unit, motor using the bearing unit, and electronic equipment using the motor Disclosed herein is a bearing unit including a shaft; a radial bearing for supporting the outer circumferential surface of the shaft; a housing for accommodating the radial bearing, the housing having an open end from which the shaft is inserted and a closed end opp... | 03/13/2012 |
| 8120220 | Fluid dynamic bearing device and manufacturing method therefor To provide a fluid dynamic pressure bearing device that achieves high rigidity against moment without degradation in assembly precision and bearing performance, bearing sleeves are arranged in an axial direction and coaxiality of radial bearing surfaces formed on in... | 02/21/2012 |
| 8115355 | Polygon mirror scanner motor and method of manufacturing the same The rotor of this polygon mirror scanner motor is composed of a rotor magnet provided in the inner wall of a rotor frame, a rotor boss having a circular tube part and provided in the rotor frame, and a polygon mirror mounted on the rotor boss. The stator is composed... | 02/14/2012 |
| 8115357 | Motor A motor is disclosed. In accordance with an embodiment of the present invention, the motor includes a rotational axis, a rotating body, which rotates together with the rotational axis as one unit, a hub having a ring-shaped body and a protruding part, in which the r... | 02/14/2012 |
| 8115356 | Fluid dynamic bearing system The invention relates to a fluid dynamic bearing system having a first conical bearing and a second conical bearing working in opposition to the first conical bearing, the conical bearings being disposed along a stationary shaft. The first conical bearing has a firs... | 02/14/2012 |
| 8106555 | Spindle motor and apparatus for inhibiting oil leakage in spindle motor An apparatus for inhibiting oil leakage is disclosed by which the oil leakage can be effectively inhibited with a simple structure, where the apparatus is extensively formed along an outer periphery of a rotation shaft at a position higher than at least an upper end... | 01/31/2012 |
| 8089186 | Spindle motor having bushing A spindle motor is provided. The spindle motor includes a base, a bearing housing, a bearing, a rotation shaft, a stator, a bushing, and a rotor. The bearing housing is installed on the base. The bearing is fixed inside the bearing housing. The rotation shaft is ins... | 01/03/2012 |
| 8084907 | Spindle motor having holding magnet preventing oil discharge The spindle motor includes a rotating shaft, a rotor cover which is secured to the rotating shaft and rotates the rotating shaft, a bearing for rotatably supporting the rotating shaft, a holder for holding the bearing, and a holding magnet which is directly mounted ... | 12/27/2011 |
| 8084905 | Bearing for an electric actuator motor An improved bearing for an electric motor includes a body portion having an open end configured to receive a portion of an armature shaft of an electric motor therein. In an illustrated embodiment, the bearing also includes a base configured to apply a spring force ... | 12/27/2011 |
| 8084906 | Brushless motor including thrust cover for holding thrust plate A brushless motor is provided which has excellent anti-impact properties and is easily assembled even if the brushless motor is reduced in size. A stator (2) includes a bearing (5) for holding a rotating shaft (3), a bearing housing (6) i... | 12/27/2011 |
| 8063525 | Retainer bearing for an electric machine, and electric machine comprising at least one such retainer bearing Disclosed is a retainer bearing (1) for retaining a rotor shaft of an electric machine. Said retainer bearing (1) comprises an outer bearing ring (2) and an inner bearing ring (5). At least one gliding element (7) which is preloade... | 11/22/2011 |
| 8049386 | Seal cartridge A seal cartridge for a generator includes a housing which defines an annular cavity. An axial load spring and a seal ring within the annular cavity such that the seal ring is biased by the axial load spring. ... | 11/01/2011 |
| 8044545 | Direct-current motor To provide a DC motor in which the rattling and the axial deviation of a rotor are restrained without increasing the axial dimension of the motor. This DC motor comprises a stator (2) on which coils (4) are provided, a rotor (8) so dispos... | 10/25/2011 |
| 8044544 | Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure A cylindrical roller bearing 41 comprises an inner ring 42, an outer ring 43 having the same axial width as the inner ring 42 and having an insulation layer 43a formed on an outer diameter surface and both end faces thereof,... | 10/25/2011 |
| 8013487 | Hydrodynamic bearing device, and spindle motor and information apparatus equipped with same With a hydrodynamic bearing device 10, a first gap G1 is formed between a shaft 12 and a sleeve 11. A second gap G2 is formed between a sleeve cap 16 and the sleeve 11, and holds a lubricant 17. A thrust bearin... | 09/06/2011 |
| 8008820 | Inner-rotor-type motor An inner-rotor-type motor includes a housing, a stator, a rotor, a permanent magnet and a cover plate. The housing has a compartment. The stator is received in the compartment. There is an assembling hole arranged at the axial center of the stator and passing throug... | 08/30/2011 |
| 8008821 | Transverse and/or commutated flux system stator concepts Disclosed are transverse and/or commutated flux machines and components thereof, and methods of making and using the same. Certain exemplary stators for use in transverse and commutated flux machines may be configured with gaps therebetween, for example in order to ... | 08/30/2011 |
| 8008819 | Spindle motor and storage disk drive apparatus A spindle motor includes a rotor unit and a stator unit arranged to rotatably support the rotor unit about a central axis through a fluid dynamic pressure generated in a lubricant held within a bearing gap between the rotor unit and the stator unit. The bearing gap ... | 08/30/2011 |
| 7990006 | Generator and wind turbine A generator for a wind turbine including a rotor arrangement and a stator arrangement is provided. The rotor arrangement includes a cylinder barrel or a sleeve enclosing a rotor element provided for the production of energy and having an outer cylinder barrel shaped... | 08/02/2011 |
| 7982349 | Spindle motor having a fluid dynamic bearing system and a stationary shaft The invention relates to a spindle motor having a fluid dynamic bearing system comprising axial and radial bearings that contains a rotor component (14) which encloses a stationary shaft (12), which in turn is connected at both its ends to axially alig... | 07/19/2011 |
| 7977836 | Single bearing motor with magnetic element A single bearing motor comprises a fan blade set, a motor set and a fan blade base. The fan blade set has a fan blade hub to join with a spindle fitting with a bearing on the outside thereof. The motor set is attached to the fan blade base and a hollow axial seat is... | 07/12/2011 |
| 7973440 | Oil-repellent film forming method, motor manufacturing method and motor A method is for forming an oil-repellent film on a metallic part in a dynamic fluid pressure bearing mechanism used for a motor. The method includes applying a flowable oil-repellent agent on an application region of the metallic part; arranging an induction coil in... | 07/05/2011 |
| 7960882 | Motor A motor may include a bearing for supporting a rotation shaft, a bearing holder which is formed with a bearing holding hole on which the bearing is mounted, and a spring member which is mounted on an outer end face of the bearing holder for urging the bearing toward... | 06/14/2011 |
| 7944103 | Motor A fixation portion of an attachment plate is fixed onto an upper surface of a flange portion of a housing. In a cylindrical retentive portion of the housing, there is formed an expanded diameter portion which is continuous to the flange portion. There is disposed a ... | 05/17/2011 |
| 7939980 | Motor mounted with stopper fitting for fixing ball bearing A motor, in which a creep phenomenon can be prevented and a ball bearing can readily be mounted, is provided. A pair of end brackets each have a bearing hole in which a ball bearing is fitted. A pair of ball bearings are fitted into the bearing holes of the end brac... | 05/10/2011 |
| 7936101 | Electric machine and method for determining the axial position of bearings for a rotor of the machine An electric machine contains a rotor which contains a first longitudinal section at the ambient air temperature and a second longitudinal section cooled at least partially to cryogenic temperature, a coolant inlet pipe extending into the second longitudinal section,... | 05/03/2011 |
| 7932653 | Electric motor endshield having variable bearing arrangement An electric motor assembly includes a stator assembly and a rotor assembly having a shaft disposed within a motor case. The motor case includes an endshield with a centrally disposed bearing-receiving core that is configured to receive any one of a plurality of bear... | 04/26/2011 |
| 7932654 | Motor A motor is disclosed. In accordance with an embodiment of the present invention, the motor includes a stator and a rotor, which is supported by the stator such that the rotor rotates. Here, the rotor includes a rotational axis, which is supported by the stator such ... | 04/26/2011 |
| 7923876 | Motor A motor is disclosed. The motor in accordance with an embodiment of the present invention can include: a shaft; a bearing supporting the shaft to rotate; a thrust plate supporting a lower end of the shaft a boss joined to the shaft and having a ring-shaped groove on... | 04/12/2011 |
| 7919892 | Brushless electric machine with stationary shaft and method of making same Disclosed herein is an electric machine. The electric machine includes, a housing defining an internal volume, a stationary shaft fixedly attached to the housing, a stationary field coil attached to the shaft, a pole assembly rotatable about the shaft, and a pulley ... | 04/05/2011 |
| 7915774 | Spindle motor A spindle motor is provided. The spindle motor includes a base, a bearing housing, a bearing, a rotation shaft, a stator, a bushing, and a rotor. The bearing housing is installed on the base. The bearing is fixed inside the bearing housing. The rotation shaft is ins... | 03/29/2011 |
| 7915775 | Submersible motor A submersible motor is provided for the drive of a submersible pump, with a rotor (6, 10) which is mounted in the motor housing (2) via a thrust bearing (16). The thrust bearing (16) includes a stationary bearing ring (34) on whose... | 03/29/2011 |
| 7911099 | Outer rotor motor An outer rotor motor has a bearing housing with reduced machining and material costs, can be assembled with high accuracy, and has favorable durability. A bearing is attached to an inner circumferential surface of a housing main body that has been formed in a cylind... | 03/22/2011 |
| 7898132 | Motor assembly Provided is a motor assembly including a supporting body; a bearing member including an inner race and an outer race; and a supporting unit for supporting the bearing member onto the supporting body, wherein the supporting body comprises: a receiving portion with an... | 03/01/2011 |
| 7893585 | Motor assembly with multifunctional components Multifunctional components enable the construction of economical motor assemblies. A first embodiment of the present invention provides a hub, cup, spindle, and base assembly for a motor assembly having at least one journal bearing, at least one thrust bearing, and ... | 02/22/2011 |
