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Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7753818 | Controller of drive device for vehicle A control apparatus for a vehicular drive system including a differential mechanism operable to distribute an output of an engine to a first electric motor and a power transmitting member, and a second electric motor connected to the power transmitting member. The c... | 07/13/2010 |
| 7399248 | Moving coil electronic locking differential A differential mechanism for transmitting power from an input to an output includes a case containing a side gear, a locking member rotatably secured to the case and axially displaceable relative to the case. The locking member alternately engages the side gear to l... | 07/15/2008 |
| 7374508 | Electronic connector assembly for power transmitting devices A power transmitting device, such as a differential, having a housing, input and output shafts, which are rotatably disposed in the housing, a gear set, one or more actuators and/or one or more sensors disposed within the housing, and a connector having a fitting, a... | 05/20/2008 |
| 7368886 | Method of testing motor torque integrity in a hybrid electric vehicle A method of testing an electric motor that is adapted to provide a desired electric motor output torque to a vehicle powertrain system comprising an engine and the electric motor which are operatively and selectively coupled to a transmission. The method includes th... | 05/06/2008 |
| 7364524 | Driveline coupling for electric module A module with an axle assembly, which has a housing, a differential, an input shaft, a pair of shafts and a pair of wheel hubs, and an auxiliary drive unit that includes an electric motor and an overrunning clutch. The differential and the input shaft are disposed i... | 04/29/2008 |
| 7354372 | Actuator for shift-by-wire automatic transmission system An electric actuator for an automatic transmission includes an adapter to transmit rotary motion between the adapter and the automatic transmission. An electric motor has an output shaft operably connected to the adapter by a gear set which includes a ring gear. The... | 04/08/2008 |
| 7328752 | Power tools An electrically powered hand tool is disclosed. The tool includes a motor, a power source, a work element and a controller. Various alternative features, embodiments and operative configurations are disclosed. The electrically powered hand tool may be a drill/driver... | 02/12/2008 |
| 7316628 | Two speed transmission and belt drive system A two speed transmission comprising a planetary gear train comprising an input member connected to an input carrier, the input carrier connected to an input shaft, a sun gear and a ring gear, the input carrier comprising a plurality of planetary members each in mesh... | 01/08/2008 |
| 7264568 | Lock detection sensor A differential gear mechanism, of either the locking Cr limited slip type, including a gear case rotatably disposed within an outer housing and a mechanism to limit rotation of side gears relative to the gear case; this rotation limiting mechanism including a member... | 09/04/2007 |
| 7241244 | Actuator for shift-by-wire automatic transmission system An electric actuator for an automatic transmission includes an adapter to transmit rotary motion between the adapter and the transmission. An electric motor has an output shaft operably connected the adapter by a gear set which includes a ring gear. A release mechan... | 07/10/2007 |
| 7211018 | Differential planetary gear device, and differential planetary gear device starting device and starting method A differential planetary gear apparatus has a single-pinion-type structure in which one planetary gear (3) is arranged in a radial direction and one or more planetary gears (3) are arranged in a circumferential direction in a region between a sun gear ... | 05/01/2007 |
| 7192374 | System and method for controlling a continuously variable transmission A method of controlling a continuously variable transmission includes sensing an output speed of a motor, determining an upper speed limit based on the output speed of the motor and a positive torque limit associated with the motor, determining a limited motor speed... | 03/20/2007 |
| 7191041 | Method for diagnosing as to signal plausibility with a speed sensor of a motor vehicle A method is for making a diagnosis as to signal plausibility in a speed sensor of a motor vehicle. In the method, the speed sensor outputs a pulse sequence to an evaluation circuit in dependence upon the speed of the vehicle and, in a steady-state operating conditio... | 03/13/2007 |
| 7156191 | Motor and gearbox combination The motor and gearbox combination is for use in a portable power tool having a motor section and a gearbox section. The motor section comprises a motor housing having a first end and an open second end, a first bearing supported at the first end of the motor housing... | 01/02/2007 |
| 7137920 | Transmission arrangement, use of said transmission arrangement and a vehicle provided with said transmission arrangement Transmission method and arrangement for distributing tractive force in a vehicle between a first transmission branch (28a) and a second transmission branch (30). The transmission branches are connected to one another by way of a fork (28 | 11/21/2006 |
| 7115066 | Continuously variable ratio transmission A continuously variable ratio transmission including a planetary gear set having a sun gear, a ring gear, and a planet carrier having at least two planet gears carried thereon, a control element including a servogenerator capable of generating electric power, and at... | 10/03/2006 |
| 7107798 | Drive mechanism for an automatic washer A drive mechanism for a vertical axis automatic washer. The washer has a rotatable wash basket, a rotatable agitator concentrically mounted in the wash basket and a drive motor. The drive mechanism includes a first drive shaft driven by the motor at a first rotation... | 09/19/2006 |
| 7028677 | External drive supercharger An external drive supercharger is described. The external drive supercharger includes an impeller, a multibelt pulley adapted to a drive source, an impeller pulley drivingly coupled to the impeller, and an external drive belt having at least one rib coupled to the m... | 04/18/2006 |
| 7018314 | Engine starter with impact absorber An engine starter equipped with an impact absorber. The impact absorber is arranged between a planetary gear train and an overrunning clutch of the starter. The absorber includes a friction plate which is disposed between a clutch outer and a carrier plate of the ov... | 03/28/2006 |
| 7011165 | Rotating electric hand tool implement with safety routine An electric hand tool apparatus (1) for driving a drill-like tool, which carries out an at least partial rotational movement, has within a housing (2), an electric motor (4) without or free of collector and slip ring, the rpm of which can be con... | 03/14/2006 |
| 6966391 | Gear motor for power tool A compact gearbox/motor combination for a portable power tool has a single partition plate 23 closing an end of the gearbox housing 24 and the motor housing 19. A shaft 14 of the motor is journalled at one end in a self-aligning bearing | 11/22/2005 |
| 6955623 | Single planet steering position planetary differential A single planet planetary differential including a shaft mechanism, a planet gear, disposed so as to be meshingly communicated with the shaft mechanism, a carrier device, the carrier device defining a carrier cavity for rotatingly containing the planet gear, a worm ... | 10/18/2005 |
| 6910453 | Automotive internal combustion engine control system A starting motor 5 of an internal combustion engine 1 drives an input/output pulley 10 through a belt 11. Auxiliary machinery 6, 7 and 8 is driven by the engine 1 though the belt 11 while the engine is in opera... | 06/28/2005 |
| 6887176 | Torque transmission mechanisms and power tools having such torque transmission mechanisms A torque transmission mechanism includes a drive shaft (31; 51; 84) and a driven shaft (32; 52; 87). The drive shaft rotates about an axis. The driven shaft extends along substantially the same axis as the drive shaft. A torque accumulator (35; 53; ... | 05/03/2005 |
| 6875146 | Control system for transfer case range shift A method for operating a transfer case synchronized range shift mechanism. The range shift mechanism can be selectively actuated for establishing a four-wheel high-range drive mode, a neutral mode, and a four-wheel low-range drive mode. The synchronized range shift ... | 04/05/2005 |
| 6857981 | Rotary actuator A rotary actuator has a synchronous motor and an internally meshing planetary reduction gear having a first shaft rotated by the synchronous motor, an outer gear mounted to said first shaft with an eccentric part so as to be eccentrically rotatable around said first... | 02/22/2005 |
| 6827663 | Differential gear A differential having a driving member; an input member; first and second rotatable output members; differential gearing operable between the input member and the first and second output members, for transmitting rotation from the input member to the first and secon... | 12/07/2004 |
| 6623394 | Eddy current activation of a limited slip differential system A limited slip differential system is disclosed where one or more eddy currents activate a ball-ramp actuator for engaging a clutch assembly to a differential case. The eddy currents create a braking torque in the ball-ramp actuator.... | 09/23/2003 |
| 6540632 | Wheel drive A wheel drive preferably used in a low-platform bus for driving the wheels is driven by a drive motor (1) eccentrically arranged relative to the wheel axle (12) and a gearwheel (2). The driven gearwheel (2) of a reduction gear (3) is in intermeshing conne... | 04/01/2003 |
| 6165095 | Apparatus and method for demagnetizing a controllable electromagnetically actuated differential An apparatus and method for demagnetizing a differential which has a controllable electromagnetically actuated clutch. The apparatus includes sensors and a coil connected to a control module. The sensors receive vehicle inputs to indicate various measured... | 12/26/2000 |
| 6105353 | Planetary transmission for baler A baler for agricultural products has a chassis, a pickup, a transporting passage, a pressing chamber, a binding device, a discharging device, a working element performing working operations in the baler, a main drive shaft connected with the working elem... | 08/22/2000 |
| 6099433 | Driving unit with adjustable torque A driving unit (1), comprising: a motor (10), a driven shaft (2) driven by the motor, and a transmission device (20) coupled between the motor and the output shaft and having one input shaft (21) and two rotational output members (22) and (23), wherein th... | 08/08/2000 |
| 6013003 | Multispeed drive for engine-cooling fan A multispeed drive for a motor-cooling fan has a shaft extending along and defining an axis and a planetary transmission including a sun gear fixed on the shaft, a planet element rotatable about the axis on the shaft and carrying planet gears meshing with... | 01/11/2000 |
| 5947854 | Combined variable-speed drive and speed reducer for pumps and fans A variable speed drive for fans and pumps. An impeller is connected to a primary motor and an auxiliary motor/generator through a transmission. The transmission includes an epicyclic gearing system. The primary motor is run at constant speed. The auxiliar... | 09/07/1999 |
| 5758302 | Shift control system for a multiple ratio automatic transmission A control system for a multiple ratio transmission including two overrunning couplings acting in cooperation with friction clutches and brakes to effect controlled shifts between ratios to reduce inertia torque upon engagement of friction brakes associate... | 05/26/1998 |
| 5730675 | Transmission for vehicle A transmission which allows for relative rotation between an input shaft in an output shaft while lowering fuel consumption. An electric motor/generator has one element fixed to a reaction-force element of a planetary gear unit in low gear. Consequently, ... | 03/24/1998 |
| 5607370 | Variable output speed converter Methods and apparatus for translating angular velocity and rotary motive force of an input drive to angular velocity and rotary motive force of an output drive, by providing a pair of devices rotatable at, relative to or about a common axis, and translati... | 03/04/1997 |
| 5445234 | Dual drive transmission A dual-drive electric transmission operated by a generator that may be powered, for example, by an internal combustion engine. Left and right motor networks have a rotation rotor, the motor networks being powered by the generator. A speed control assembly... | 08/29/1995 |
| 5423406 | Automatic centrifugal clutch with electric release and hysterisis means An epicyclic train operates as a speed reducer between an input and an output when a clutch is released, and as a direct drive connection in the contrary case. The selective clamping is obtained by centrifugal weights, counter to biasing springs and to an... | 06/13/1995 |
| 5385512 | Transmission for electrically driven tool Transmission between electric motor and tool shaft, for instance for hand tools such as an electric screwdriver and the like, which transmission is provided with an adjustable breaking coupling for discontinuing the drive torque on the tool shaft when a p... | 01/31/1995 |