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| Number | Title | Issue Date |
| 7358635 | Magnetic power transmission devices for oilfield applications A method and apparatus relates to incorporating a magnetic coupling for use in oilfield applications. The magnetic coupling is operatively coupled to an oilfield machine to provide a controlled operational speed. The magnetic coupling may be operatively connected to... | 04/15/2008 |
| 7353895 | Vehicle transmission with selectively-engageable electric motor A vehicle having a transmission for transmitting a torque from a drive machine to drive wheels, with the transmission having an transmission output shaft and a transmission input shaft, in which the torque can be transmitted from the drive machine to the transmissio... | 04/08/2008 |
| 7273135 | Low cost magnetic brakes and motion control devices manufactured from conductive loaded resin-based materials Magnetic brake components are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host.... | 09/25/2007 |
| 7270582 | Power generating and propelling system of vessel A power generating and propelling system of a vessel has an electric power generating device (10) installed between an internal combustion engine (2) and a transmission (3). A stator (11) of the generating device (10) is built in a... | 09/18/2007 |
| 7235904 | Device for coupling a housing arrangement of a coupling device to a rotor arrangement of an electric machine A device for coupling a housing arrangement of a clutch device, particularly a hydrodynamic clutch device, to a rotor arrangement of an electric machine, wherein the rotor arrangement can be connected to a drive shaft so as to be fixed with respect to rotation relat... | 06/26/2007 |
| 7207404 | Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode A hybrid vehicle drive system including (a) an engine, (b) an electric motor, (c) a planetary gear device having a first rotary element connected to the engine, a second rotary element connected to the electric motor and connected through a first clutch to an output... | 04/24/2007 |
| 7190101 | Stator coil arrangement for an axial airgap electric device including low-loss materials A dynamoelectric, rotating electric machine includes a stator assembly that includes stacked stator coil windings. The machine is preferably a polyphase, axial airgap device. Improved slot filling results from the stacked stator coil configuration. Device performanc... | 03/13/2007 |
| 7168515 | Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode A hybrid vehicle drive system including (a) an engine, (b) an electric motor, (c) a planetary gear device having a first rotary element connected to the engine, a second rotary element connected to the electric motor and connected through a first clutch to an output... | 01/30/2007 |
| 7165638 | Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode A hybrid vehicle drive system including (a) an engine, (b) an electric motor, (c) a planetary gear device having a first rotary element connected to the engine, a second rotary element connected to the electric motor and connected through a first clutch to an output... | 01/23/2007 |
| 7131275 | Gas turbine engine system having an electric starter motor with integral clutch A gas turbine engine system includes an electric starter motor which utilizes a partially hollow or cupped shaped rotor. Space is provided inside the rotor to fit the required clutch, bearings, and drive shaft. A rotor shaft drives the input shaft through the clutch... | 11/07/2006 |
| 7122926 | Fault-tolerant rotary actuator A fault-tolerant actuator module, in a single containment shell, containing two actuator subsystems that are either asymmetrically or symmetrically laid out is provided. Fault tolerance in the actuators of the present invention is achieved by the employment of dual ... | 10/17/2006 |
| 7075208 | Machine with a coolable winding arranged in a winding support and with a torque transmitting device The machine comprises a rotor with a winding for cooling, which is in particular superconducting, in a winding support. A device with a composite body made of fiber-reinforced plastic is provided, for retention of the winding support within a rotor outer housing, on... | 07/11/2006 |
| 7017693 | Drive device for hybrid vehicle A hybrid vehicle drive system is designed to have dimensions that are shorter in an axial direction and improved centering accuracy of a rotor, in order to prevent deterioration of motor performance. A rotor support plate (15) has a flat-plate shaped disk por... | 03/28/2006 |
| 7004800 | Power generating and propelling system of vessel A power generating and propelling system of a vessel has an electric power generating device (10) installed between an internal combustion engine (2) and a transmission (3). A stator (11) of the generating device (10) is built in a... | 02/28/2006 |
| 6994177 | Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode A hybrid vehicle drive system including (a) an engine, (b) an electric motor, (c) a planetary gear device having a first rotary element connected to the engine, a second rotary element connected to the electric motor and connected through a first clutch to an output... | 02/07/2006 |
| 6949854 | Method and apparatus for a continuously variable-ratio transmission A method and apparatus for providing a continuously variable transmission (CVT) is described. The CVT comprises permanent magnets to couple power, a coefficient of coupling controlled by an electronic servo control loop. Wherein torque multiplication is achieved by ... | 09/27/2005 |
| 6940200 | Electric drive The invention refers to magnetoelectric machines and comprises a rotor made in the form of at least two disks, the magnetized disks have circumferential arrayed like poles and an axially magnetized polygon or cylindrical magnet placed between the disks. The stator c... | 09/06/2005 |
| 6936933 | Hybrid propulsion system for a motor vehicle Arrangement for providing an integrated starter generator apparatus for producing electrical power and/or rotational torque. The apparatus includes a primary rotor (18) arranged for cooperation with a primary stator (16), and a secondary rotor (20 | 08/30/2005 |
| 6902046 | High performance sprag clutch assembly A high performance sprag clutch assembly and replacement system for a land motor vehicle transmission, which utilizes a commercially available sprag assembly popular among high performance enthusiasts in combination with newly manufactured inner and outer races to a... | 06/07/2005 |
| 6888273 | Integrated motor and clutch assembly An integrated motor and clutch assembly is provided, which includes a housing that rotatably supports an input shaft and an output shaft. A selectively engageable friction clutch is disposed between the input shaft and the output shaft for transferring torque thereb... | 05/03/2005 |
| 6873079 | Tangential torque support A superconducting rotor assembly includes an axial shaft and a winding support structure. A torque tube is connected to this winding support structure. An interconnection assembly mechanically couples the torque tube to the axial shaft. This interconnection assembly... | 03/29/2005 |
| 6821094 | Hybrid power transmission system having first and second clutch mechanisms A compressor includes a housing, a rotary shaft, a pulley, an electric motor, a pulley one-way clutch, and a motor one-way clutch. The shaft is rotatably supported by the housing. The pulley is operably connected to the shaft and includes a power transmission portio... | 11/23/2004 |
| 6815856 | Tangential torque support A superconducting rotor assembly includes an axial shaft and a winding support structure. A torque tube is connected to this winding support structure. An interconnection assembly mechanically couples the torque tube to the axial shaft. This interconnection assembly... | 11/09/2004 |
| 6781272 | Integrated torque converter and starter-generator A vehicle, having an engine (20) and a transmission (26), also includes an integrated assembly (24) between the engine (20) and transmission (26) which includes both a torque converter assembly (32) and an integrated starter... | 08/24/2004 |
| 6777837 | Hybrid-vehicle drive unit A hybrid-vehicle drive unit supports a motor-generator with high precision, improving the efficiency of the motor-generator, and reducing the size of the motor-generator, independent of any influence of centering precision of the crank shaft and of deformation of th... | 08/17/2004 |
| 6737776 | Hybrid linear motor A magnetostrictive motor is provided with a pair of clutch devices on a rotor shaft through which electrical energy from electromagnetic rings on a tubular reactor is converted into forces transferred to the rotor shaft within the reactor under selective control of ... | 05/18/2004 |
| 6714733 | Step motor with interpole pair stabilizing rest position A step motor is composed of a rotor, first and second stators, and a magnetic member. The rotor is rotatably supported and comprised of a magnet having magnetic poles magnetized in four angular sections. The first stator has a pair of counter poles disposed in oppos... | 03/30/2004 |
| 6700263 | Electrical generating system having a magnetic coupling An electrical generating system including an electric motor coupled to a power source, such as a solar panel array. A magnetic coupling is connected to an output shaft of the motor. The magnetic coupling includes opposed first and second plates each havin... | 03/02/2004 |
| 6617727 | Vehicular rotational apparatus A housing of a compressor supports a rotary shaft. The rotary shaft is coupled to a pulley with a pulley one-way clutch and is coupled to a rotor of an electric motor with a motor one-way clutch. The pulley is supported by the housing with a pulley bearin... | 09/09/2003 |
| 6591477 | Method for making an armature assembly A method for making an armature assembly is provided that reduces the level of acoustic noise during initial engagement of the armature, during slippage, and during disengagement. The armature assembly includes an armature disc, an annulus of sound dampin... | 07/15/2003 |
| 6586852 | Drive system A drive system, in particular for a vehicle, includes an electric machine, by means of which a shaft can be driven to rotate and/or electrical energy can be obtained when the shaft rotates. The electric machine includes a stator arrangement with a stator ... | 07/01/2003 |
| 6577033 | Stator A stator has a pocket portion (8) of a notch type resin-made stator, in which strength of an outer corner R (12b) provided in the pocket portion (8) is increased to thereby prevent the resin-made stator body (1) from being broken from the outer corner R (... | 06/10/2003 |
| 6548929 | Eddy current fan drive An eddy current fan drive cooling system is operable in a vehicle having a sheave rotating at a speed related to an engine speed. A driving assembly of the cooling system is attached to the sheave. A plurality of poles are exposed around an outer perimete... | 04/15/2003 |
| 6466119 | Magnetic circuit A magnetic circuit design comprises a shaft assembly (10) consisting of a moveable shaft (12) and a series of washers (14) and magnets (16) mounted axially along the length of the shaft (12). The magnets (16) are positioned between the washers (14) with l... | 10/15/2002 |
| 6455968 | Attachment device for electrical equipment, such as an alternator/starter motor, in a clutch housing of an automobile A device for attachment of electrical equipment, such as an alternator/starter motor, in the clutch housing of an automobile. The assembly includes a stator, a rotor, and a support hub of the rotor mounted on a bearing in an independent housing integral w... | 09/24/2002 |
| 6392321 | Rotary device employing magnetic force A rotary device includes an output shaft securely connected to a sandwiched structure including a central magnetic permeable member and two outer magnetic un-permeable members. The sandwiched structure is enclosed by a ring composed of a plurality of sect... | 05/21/2002 |
| 6376948 | Motor-synchronous exciting brake A motor-synchronous exciting brake structure having a housing containing a stator and a rotor located at the center of the stator, the two ends of the housing being respectively mounted with an end cap, and the rotor shaft of the rotor being mounted with ... | 04/23/2002 |
| 6346752 | Electromagnetic retarder with a built-in exciter An electromagnetic retarder apparatus with a built-in exciter having a retarder exciter inside thereof for generating braking torque by an eddy current produced in an eddy-current cylinder as a plurality of magnetic poles that are alternately magnetized t... | 02/12/2002 |
| 6337527 | Self unloading magnetic coupler A permanent magnet coupler has a conductor rotor assembly mounted on one shaft and a magnet rotor assembly mounted on a coaxial shaft. The magnet rotor assembly provides two magnet rotors spaced by the adjustable air gaps from two conductor elements provi... | 01/08/2002 |
| 6294854 | Drive arrangement for a motor vehicle A drive arrangement for a motor vehicle, which has at least one internal combustion engine and a down-line clutch, via which the internal combustion engine can be connected to an output drive shaft. An electric machine is provided and includes a rotor and... | 09/25/2001 |
