Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8106553 | Spindle motor component of hard disk driver with composite coating layer and composite coating method thereof A spindle motor component of hard disk with composite coating layer and a composite coating method hereof. The spindle motor component of hard disk includes a motor component base (1) and the composite coating layer which is coated on the base (1). The... | 01/31/2012 |
| 8026645 | Electric drive The invention relates to an electric drive, particularly a windshield wiper drive for vehicles, comprising an electric motor (10) in a crucible-shaped, preferably metal, motor housing (14), a gearbox housing (16) that is attached to the motor ho... | 09/27/2011 |
| 7960881 | Electric motor having drainage means An electric motor comprises a stator, a rotor, and an interface plate. The interface plate is fixed to the stator and is configured to couple the electric motor to a pump. The interface plate comprises a shaft opening, a cavity, a ventilation passageway, a fluid dis... | 06/14/2011 |
| 7915773 | Robot with internal pressure explosion-proof structure A robot includes a plurality of motors that drive respective joint shafts and gas-tight chambers in which the motors are disposed. The robot is placed in a second ambience, and at least one of the joint shafts is provided with a hollow motor integrated with a reduct... | 03/29/2011 |
| 7868497 | Airtight-type electric motor An airtight-type electric motor capable of reducing vibration is provided. Inside ribs of a pair of end brackets and are respectively fitted into core end portions of a stator core. Outside ribs of the pair of end brackets and are respectively brought into contact a... | 01/11/2011 |
| 7847448 | Vehicular alternating current generator A vehicular alternating current generator has slip rings, an enclosure, a rear cover, and a sealing plate. The slip rings are provided on a rotary shaft of a rotor. The enclosure component encloses a peripheral space surrounding the slip rings and brushes, and the r... | 12/07/2010 |
| 7804212 | Cooling tower sealant containment gasket A sealant containment gasket is provided for use on an electric motor to be used in a moist environment. The inventive gasket includes a first upright wall that covers a power-supply opening in the motor with a wiring passageway and further includes a second upright... | 09/28/2010 |
| 7755235 | Downhole generator for drillstring instruments A downhole generator comprises a turbine coaxially disposed inside a section of drillstring and that will be spun when hydraulic or pneumatic flows are pushed through to a drillbit motor on a distal end. The turbine, in turn, spins permanent magnets in an orbit arou... | 07/13/2010 |
| 7656065 | Drive unit with a housing A drive unit, in particular for adjusting movable parts in a motor vehicle, has a housing including an opening to the surrounding, in which a gas-permeable, liquid-impermeable diaphragm is installed, the housing includes a first housing part with a circumferential c... | 02/02/2010 |
| 7635934 | Fan and motor thereof A fan structure includes a frame, a cover, a stator structure and a base. The cover and the frame are integrally formed as a single piece. The stator structure is disposed in the cover and the base is connected to the cover. Thus, the stator structure is located bet... | 12/22/2009 |
| 7615902 | Motor having breathing hole A motor includes: a motor element with a rotation shaft; a speed reduction element having a rotation speed reduction device for reducing a rotation speed and a gear housing for accommodating the reduction device; and a water proof sheet. The gear housing includes: a... | 11/10/2009 |
| 7550886 | Motor end bell having terminal access opening and cover A motor end bell assembly includes an end bell having an opening in a face of the end bell for accessing terminals of the motor. An additional aperture in the end bell facilitates passage of a power cord through the end bell. A cover at least partially closes the op... | 06/23/2009 |
| 7528513 | Shaft current control brush assembly with drainage A shaft current control brush ring assembly includes a channel and a brush ring assembly secured within the channel. A drain is provided to direct liquids and contaminants away from said brush ring assembly. ... | 05/05/2009 |
| 7514830 | Spindle motor and recording disk driving device including the same A spindle motor in one inventive implementation includes a rotor hub (10) for retaining a rotor magnet (70) and a stator (80) which is faced to the radial inner side of the rotor magnet (70) with a gap interposed therebetween. A shield sh... | 04/07/2009 |
| 7501732 | Electric rotating machine The electric rotating machine includes a casing having first and second frames joined to each other at their opening ends in an axial direction, the first frame being formed with a fitting hole having an opened cross-sectional shape which opens to the opening end of... | 03/10/2009 |
| 7479720 | Seal for an electric machine located within a drive train of a motor vehicle A seal of an electric machine installed within a motor vehicle drive mechanism with of one of a wet-running oil-cooled disk gearshift element, a multiple disk clutch and a multiple disk brake being accommodated within a free space of a rotor of the electric machine.... | 01/20/2009 |
| 7417353 | On-vehicle alternator with brush/slip ring structure An alternator (AC generator) to be mounted on a vehicle comprises slip rings, brushes, a brush holder, a rear cover, and sealing members. The slip rings are fixed on a rotary shaft and rotatable together with the rotary shaft. The brushes are slidable on the slip ri... | 08/26/2008 |
| 7394179 | Alternator having a slip-ring cover connected to brush holder An automotive alternator has slip-rings connected to a rotor shaft and a brush device covering the slip-rings. The brush device is composed of a brush holder supporting brushes therein and a slip-ring cover firmly connected to the brush holder. The slip-ring cover i... | 07/01/2008 |
| 7375446 | Actuator including rotor case and housing with sealing unit for hermetic structure An actuator for use with a fluid channel structure comprises: a stator assembly including stator yokes, and a coil; and a rotor assembly including a housing shaped in a circular hollow-cylinder, an output shaft inserted through the housing, a sleeve, a magnet fixedl... | 05/20/2008 |
| 7375447 | Power tool A power tool includes: a stator having a substantially cylindrical yoke and a plurality of permanent magnets that are firmly fixed to an inner surface of the yoke and circumferentially spaced from each other by a first gap; a rotor inserted inside the permanent magn... | 05/20/2008 |
| 7372175 | Two-spool bypass turbojet with a rear electricity generator, and an air flow connection device and system A two-spool bypass turbojet includes a low-pressure spool having a rear portion carrying a low-pressure turbine provided with a low-pressure rotor. The turbojet includes a support structure connected to a casing and to a rear bearing in which the rotor is mounted. T... | 05/13/2008 |
| 7370729 | Breather device for speed-change devices In a breather device linking a space within a transmission case (1) to outside air, a breather (10) is provided at a middle position in a lengthwise direction on an upper portion of the transmission case, in particular, at a position displaced in an ax... | 05/13/2008 |
| 7368827 | Electrical assembly for monitoring conditions in a combustion turbine operating environment An electrical assembly for use in various operating environments such as a casing of a combustion turbine 10 is provided. The assembly may include an electrical energy-harvesting device 51 disposed in a component within the casing of the turbine to con... | 05/06/2008 |
| 7368826 | Electro-hydraulic unit, in particular for anti-lock devices for automotive vehicle wheels An electro-hydraulic unit (10) in particular for an automotive vehicle anti-locking wheel device, includes two separate parts: an electronic control (13) within which is located particularly an electronic card (14 | 05/06/2008 |
| 7365458 | Brushless DC motor with molded resin housing An invention is provided wherein the bearings of a molded motor do not become electro-eroded. An inner rotor type, brushless DC motor 10 is provided having a stator 22 which has a stator core 12 wound with a coil 16, a housing 26 f... | 04/29/2008 |
| 7362021 | Moisture-proof device for motor A moisture-proof device is provided to be used in a fan having a stator for isolating the stator from moisture. The moisture-proof device includes a first covering part for covering a circuit board of the stator of the motor, and a second covering part connected to ... | 04/22/2008 |
| 7358632 | Motor which performs a rotational-to-linear motion conversion A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide. ... | 04/15/2008 |
| 7355314 | Device for reversing rotational direction of a motor An electrical hand-held power tool (2) includes an electric motor (4) with a stator (12), and a device (26) for reversing the rotational direction of the motor (4) and which has a contact carrier (28) fixedly securable on th... | 04/08/2008 |
| 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 |
| 7352092 | Integrated motor and controller assemblies for horizontal axis washing machines A horizontal axis washing machine includes an integrated motor and controller assembly. The controller is mounted to the electric motor with the controller positioned under a tub of the washing machine. The tub provides drip protection for the controller during oper... | 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 |
| 7338208 | Methods and apparatus for CT system thermal control architecture A method of cooling a medical imaging system that includes a gantry is provided. The method includes supplying air to the gantry. The supplied air is conditioned to reduce variation of the temperature within the gantry. After the air is conditioned it is channeled t... | 03/04/2008 |
| 7332843 | Motor A pump apparatus includes a motor unit and a pump unit. The motor unit includes a cylindrical yoke housing and a rotor accommodated in the yoke housing. A rotary shaft of the rotor is supported by a first bearing and a second bearing. In a direction from a bottom wa... | 02/19/2008 |
| 7309936 | Resolver with waterproofing elements To obtain a resolver in which the winding portion is prevented from breaking by corrosion caused by water. The resolver includes: a stator core in which a plurality of pole teeth are formed inside an annular stator core main body in a radius direction, a rotor provi... | 12/18/2007 |
| 7295434 | Electronically controlled electric fan cooled by pressurized ambient air An electronically controlled electric fan (10) cooled by pressurized ambient air, includes: a motor (11) furnished with a cover (12), a mechanical assembly rotating a wheel (15) and a casing (13),... | 11/13/2007 |
| 7291951 | Actuator including intermediate wall An actuator has a housing that accommodates a motor, an output shaft for rotating a lamp unit that radiates light, a drive mechanism portion formed from a transmission gear system for transmitting rotation from the motor to the output shaft, and a control circuit po... | 11/06/2007 |
| 7282907 | Antifriction bearing unit having a sensor and a resolver An outer ring is provided with the stator of a resolver, and a ring member with the rotor of the resolver. The stator comprises an annular core and a winding provided around the core. The ring member is provided at a position opposed to the stator with an eccentric ... | 10/16/2007 |
| RE39748 | Sealed actuator A sealed actuator includes a motor stator having rotation-drive magnetic poles; a motor rotor arranged so as to confront magnetic pole surfaces of the motor stator while interposing a small distance therebetween and rotatably supported through roller bearings; and d... | 07/31/2007 |
| 7224093 | Polyphase electric rotary machine The electric machine includes a front end plate (13), a rear end plate (14), a rotor (4) installed between the said end plates, and a magnetic target (50) with axial or radial reading fixed onto a target holder installed between the rotor... | 05/29/2007 |
| 7215051 | Single-phase motor particularly for submersed pumps A single-phase motor (10) particularly for submersed pumps, characterized in that it comprises an annular capacitor (14) interposed between the pump coupling head (15) and the stator winding pack (12). ... | 05/08/2007 |
