Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7347294 | Power system for electrically powered land vehicle The power system for an electrically powered land vehicle extracts electrons from ambient air to generate adequate electrical power to operate the land vehicle electrical energy production and propulsion system. The extracted electrons generate enough electrical pow... | 03/25/2008 |
| 7329960 | System and method for propelling a large land-based vehicle using a dual function brushless dynamoelectric machine A propulsion system for a relatively large land-based vehicle, such as a locomotive or off-highway vehicle, is provided. The system may include a brushless dynamoelectric machine made up of a main alternator having a main rotor and a main stator, and an auxiliary al... | 02/12/2008 |
| 7315089 | Powertrain system comprising compressed air engine and method comprising same A powertrain system comprises a compressed air supply apparatus, a compressed air engine, a rotary power conversion apparatus and an electrical power conversion apparatus. The compressed air engine is configured for extracting energy from compressed air. The compres... | 01/01/2008 |
| 7292009 | Hybrid type working machine Simplifying the controller of hybrid type drive unit. The output of a generator driven by engine is connected directly to a motor 7 through a converter or switching circuit 10 without being charged on any battery. The output of each phase of the genera... | 11/06/2007 |
| 7285871 | Engine power extraction control system An engine power extraction control system controls the main propulsion engines and the electrical machines that are coupled thereto to supply an appropriate amount of aircraft thrust and electrical energy to the aircraft. The engines and electrical machines are also... | 10/23/2007 |
| 7280950 | Locomotive diesel engine turbocharger and turbine stage constructed with turbine blade vibration suppression methodology A method for fabrication of a locomotive diesel engine turbocharger turbine stage so as to avoid harmonic vibration in the turbine blades when the engine is operated at pre-selected throttle settings. Upon determining throttle settings for the engine and modeling of... | 10/09/2007 |
| 7265513 | Variable reluctance electric power system A variable reluctance electric power system which comprises an alternator and a motor having a rotor with longitudinal lobes and no windings, commutators, slip rings, magnets, or laminations. The alternator and the motor have stators which have conventional windings... | 09/04/2007 |
| 7215055 | Vehicle A rotating electric machine comprises a stator having stator salient poles, three-phase windings wound around said stator salient poles, a rotor rotatable held inside the said stator, and permanent magnets inserted into said rotor and positioned opposite to said sta... | 05/08/2007 |
| 7185496 | Synchronizing stationary clutch of compression braking with a two spool gas turbine engine A synchronizing stationary clutch system for compression braking in a two spool gas turbine engine is provided by the present invention. The synchronizing stationary clutch system allows the two shafts of a two spool gas turbine engine to be reliably coupled at any ... | 03/06/2007 |
| 7164253 | Motor drive control apparatus On end of a reactor (L1) is connected to a positive electrode of a battery (B1) and the other end is connected to a power line via a transistor (Q1) and to the ground via a transistor (Q2). By PWM control of the transistors (Q1, Q | 01/16/2007 |
| 7164977 | A/C bus assembly for electronic traction vehicle An electronic traction vehicle comprising a principal power unit, a power storage unit mounted on a vehicle platform. A plurality of wheels are rotably mounted on the vehicle platform with an electric motor coupled to at least one wheel. A drive controller is couple... | 01/16/2007 |
| 7148649 | Hybrid-electric vehicle having a matched reactance machine A hybrid-electric vehicle including a matched reactance machine power generation system (MRMPGS). The MRMPGS comprises a permanent magnet rotor type machine having a selected back electromotive force (BEMF) voltage value and a selected machine inductance value. The ... | 12/12/2006 |
| 7138773 | Multiple inverters for motors A non-highway vehicle including an engine, a DC power source driven by the engine and providing DC power via a DC bus, a traction motor, a circuit for connection to the DC bus for providing power to the traction motor, and a controller. The circuit includes at least... | 11/21/2006 |
| 7045981 | Optimized locomotive traction system A high-altitude railroad locomotive adapted for more reliable operation at high altitudes, wherein the high-altitude railroad locomotive includes a semiconductor electric power control component, and wherein due to the high altitude the locomotive would be exposed t... | 05/16/2006 |
| 7004456 | Engine speed limiter for a hoist A mobile service rig for wells includes a hoist powered by an internal combustion engine. In response to the hoist exerting a predetermined lifting force, the lifting force is limited by automatically limiting or reducing the speed of the engine. ... | 02/28/2006 |
| 6989644 | Regenerative braking system and method using air conditioning system of electric vehicle The regenerative braking method and system for an electric vehicle in which regeneration current is calculated and controlled using control of an air conditioning system to consume a portion or all of the surplus regeneration power, thereby enhancing braking perform... | 01/24/2006 |
| 6949898 | Hybrid type working machine The output of an engine driven generator G is directly supplied to a motor 7 for travel without the intermediary of a battery. The output capacity of each of the generator G and motor 7 is determined so that the maximum output of the generator G may su... | 09/27/2005 |
| 6914344 | Integrated starter/generator for a turbomachine The invention relates to a turbomachine of axis X including a compressor and an integrated starter/generator. The field magnetic circuit of the starter/generator is mounted in the bore of at least one disk of the compressor and surrounds the secondary magnetic circu... | 07/05/2005 |
| 6373144 | Method and device for controlling a prime mover A prime mover has an internal combustion engine and a motor generator. A setpoint of a torque depends on a variable representing the wish of an operator of the prime mover and on operating variables of the internal combustion engine. Actuating signals for... | 04/16/2002 |
| 5987372 | Safety system for a motor vehicle The invention relates to a safety system for a motor vehicle having an internal-combustion engine. Independent quantities are used for the engine control and for the monitoring of the engine control. The control of the internal-combustion engine takes pla... | 11/16/1999 |
| 5963020 | Method and apparatus for providing power-on-demand to auxiliary systems on an earth moving machine A method and apparatus for supplying electrical power in an earth moving machine is provided. The method and apparatus includes an engine adapted to deliver primary power at a variable speed to the earth moving machine. A hydraulic system is connected to ... | 10/05/1999 |
| 5920162 | Position control using variable exciter feed through A motor generator system in accordance with the invention includes a prime mover (21) for driving an output shaft (18); a main motor generator (16, 105), having a rotor driven by the output shaft, for producing electrical power on a plurality of stator ph... | 07/06/1999 |
| 5920161 | Driving system for permanent magnet type synchronous machine suitable for electric vehicle and driving control method using the same In a driving system comprising a permanent magnet type synchronous machine, an electric power converter for the synchronous machine and a driving controller for driving the electric power converter, the driving controller comprises a current command gener... | 07/06/1999 |
| 5789824 | Cooling of turboalternator for hybrid motor vehicle A turboalternator for a hybrid motor vehicle includes at least one compressor, at least one turbine, at least one alternator having a rotor and being disposed between the at least one compressor and the at least one turbine, and a common shaft having a lo... | 08/04/1998 |
| 5789825 | Compressor of turboalternator for hybrid motor vehicle A turboalternator for a hybrid motor vehicle includes at least one compressor, at least one turbine, at least one alternator disposed between the at least one compressor and the at least one turbine, and a common shaft interconnecting the at least one com... | 08/04/1998 |
| 5789881 | Power source control apparatus for hybrid vehicles A power source control apparatus for parallel and series hybrid vehicles is provided. The power source control apparatus determines a required torque of a power source consisting of a generator-motor and an internal combustion engine based on a parameter ... | 08/04/1998 |
| 5767637 | Controller for turboal ternator A speed controller for a generator having a rotor includes a speed control input port for receiving a speed command signal, a proportional gain stage electrically connected to said speed control input port for amplifying the speed command signal to create... | 06/16/1998 |
| 5545928 | Electric power generation control method in a hybrid vehicle utilizing detected generator output and engine revolutions An electric power generation control method in a hybrid vehicle. A target generator output is calculated based on a state of charge, a catalyst temperature, etc., and the target number of engine revolutions is calculated based on the target generator outp... | 08/13/1996 |
| 5461289 | Drive system for a motor vehicle The drive arrangement for a motor vehicle includes an internal combustion engine (1) with at least one controlling element (29), an electric generator arrangement (3) driven by the internal combustion engine (1), at least one electric motor (11) which is ... | 10/24/1995 |
| 5432383 | Electric generator system for gas turbine An electric generator system for a gas turbine converts the mechanical output power of the shaft of a gas turbine into electric energy with a plurality of electric generators (4, 5) mounted coaxially on the turbine shaft. When the electric energy is suppl... | 07/11/1995 |
| 5432413 | Control system for an electrically propelled traction vehicle A control system for an electrical propulsion system for a large wheeled vehicle adapted to haul a payload, the vehicle having an internal combustion engine and an electric generating means driven by the engine. The control system measures selected parame... | 07/11/1995 |
| 5406126 | Hybrid drive system with regeneration for motor vehicles and the like A hybrid motor vehicle includes a storage battery providing motive power to an electric motor under the control of a microprocessor. A generator with an internal combustion engine may be used to charge the storage battery. The motor is operated either in ... | 04/11/1995 |
| 5373219 | Control system for an electrically propelled traction vehicle A control system for an electrical propulsion system for a large wheeled vehicle adapted to haul a payload, the vehicle having an internal combustion engine and an electric generating means driven by the engine. The control system measures selected parame... | 12/13/1994 |
| 5351775 | Method for propelling and retarding off-road haulers An improved method and apparatus for powering and controlling the operation of large diesel-electric off-road haulers of the type in which hauler drive wheels are propelled and retarded by DC electric wheel motors powered from on-board generators, optiona... | 10/04/1994 |
| 5283470 | Hybrid drive system with regeneration for motor vehicles and the like with a brushless motor A motor vehicle drive system includes a brushless motor driven by a battery and directly coupled to the vehicle wheels for providing primary motive power. During braking, the motor acts as a generator for recharging the battery. Preferably the recharging ... | 02/01/1994 |
| 5280223 | Control system for an electrically propelled traction vehicle A control system for an electrical propulsion system for a large wheeled vehicle adapted to haul a payload, the vehicle having an internal combustion engine and an electric generating means driven by the engine. The control system measures selected parame... | 01/18/1994 |
| 5264764 | Method for controlling the operation of a range extender for a hybrid electric vehicle A method for controlling the operation of a range extender of a hybrid electric vehicle in which a requested power signal Preq is generated in response to the state-of-charge of the battery system being less than a predetermined intermediate va... | 11/23/1993 |
| 5103923 | Method and apparatus for propelling and retarding off-road haulers An improved method and apparatus for powering and controlling the operation of large diesel-electric off-road haulers of the type in which hauler drive wheels are propelled and retarded by DC electric wheel motors powered from on-board generators, optiona... | 04/14/1992 |
| 4719361 | Mobile, off-road, heavy-duty haulage vehicle An off-road, heavy duty, haulage vehicle includes a diesel engine driving an alternator (generator) for producing electrical power for motorized rear wheels. An alternator field converter is electrically connected to the alternator and an armature convert... | 01/12/1988 |
| 4668872 | Electronic control system for a diesel engine, generator and electric motor power train The inventive control system introduces the current (ƊI) and voltage (ƊC) deviations simultaneously with the injection set point (C) to define a new injection set point (C') that is utilized in conjunction with the measurement of diesel engine speed (V | 05/26/1987 |
