Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7378808 | Electric drive system having DC bus voltage control An electric drive system has a power source and a generator operatively connected to the power source. The generator is configured to produce a power output. The electric drive system also has at least one capacitor configured to store a supply of power. The electri... | 05/27/2008 |
| 7332894 | Power generation apparatus using AC energization synchronous generator and method of controlling the same In a power generation apparatus equipped with an AC energization synchronous generator, when energization of a secondary winding starts to conduct connecting to the network of the AC energization synchronous generator to a network voltage, energization of the second... | 02/19/2008 |
| 7285869 | Method for estimating engine power in a hybrid electric vehicle powertrain A method is disclosed for estimating engine power output for an engine in a hybrid electric vehicle powertrain that includes an electric motor and an electric generator. Selected powertrain variables, including electric motor torque and electric generator torque, ar... | 10/23/2007 |
| 7279799 | Motor vehicle driven device for operating a portable electric generator An electric generator device powered by a driving wheel of a motor vehicle. The device includes a base for supporting an electric generator. An idler roller assembly includes at least one load bearing idler roller mounted rotatably to the base for circumferentially ... | 10/09/2007 |
| 7219000 | Speed control for an electrically variable transmission A multi-mode hybrid transmission has speed control provided via an open loop model derived as a function of preselected transmission accelerations and controlled and uncontrolled transmission torques. Motor torques are selected as the controlled torques and other pr... | 05/15/2007 |
| 7173399 | Integrated torsional mode damping system and method An integrated torsional mode damping method for a current source converter, including a rectifier, an inverter, and a DC link inductor coupled between the rectifier and the inverter, includes sensing a signal representative of torque on a shaft coupled to the invert... | 02/06/2007 |
| 7148585 | Power grid backfeed protection apparatus A circuit breaker that functions like a double pole double throw (DPDT) switch is used to isolate the commercial power grid from an external power source. When in the “on” position the circuit breaker serves as a main power input circuit breaker allowing power f... | 12/12/2006 |
| 7129593 | Low-energy storage fast-start uninterruptible power supply method An uninterruptible power supply system has standby and backup modes and can change to backup mode upon detection of a grid fault. In both modes an alternator rotates at synchronous speed so that backup mode capability is ready. An energy storage unit through a DC-AC... | 10/31/2006 |
| 7088065 | Drive unit and vehicle equipped therewith A drive unit of the invention comprises a motor that can input/output motive power to/from a drive shaft, a drive circuit that performs drive control of the motor, a fuel cell that is connected to the drive circuit without the intervention of a voltage converter suc... | 08/08/2006 |
| 7081734 | Ride-through method and system for HVACandR chillers A method of providing ride-through capability in a chiller/refrigeration system employs a variable speed drive with an active converter stage, a DC link stage and an inverter stage for providing variable frequency and voltage to power at least one motor. An inductio... | 07/25/2006 |
| RE39205 | Power output apparatus and method of controlling the same While a ring gear shaft 126 linked with a drive shaft rotates, a power output apparatus 110 applies a torque to a first motor MG1 attached to a sun gear shaft 125, thereby abruptly increasing a revolving speed of an engine 150, to ... | 07/25/2006 |
| 7074156 | Drivetrain on a motor vehicle and method for controlling a drivetrain The drivetrain of a motor vehicle with an engine, a crankshaft starter-generator, a hydrodynamic torque converter and an automatic gearbox, comprises an overriding drivetrain controller (20) with a driver and situation recognition (31), a status contro... | 07/11/2006 |
| 7071581 | Uninterruptible power supply system using a slip-ring, wound-rotor-type induction machine and a method for flywheel energy storage Several embodiments of an uninterruptible power supply (UPS) system, which system provides highly reliable output power to a load using a slip-ring induction machine and a flywheel combination, are disclosed as well as methods relating thereto. In a preferred embodi... | 07/04/2006 |
| 7053589 | Long-life vacuum system for energy storage flywheels The invention, intended primarily for use in a steel flywheel power source (30), provides a vacuum system and a method of maintaining a vacuum inside a flywheel chamber (32) for the life of the power source (30). The vacuum system combines the u... | 05/30/2006 |
| 7042108 | Backup power system A backup power system is connected in parallel to a load which is powered via a power line connecting that load to a main power source, such as a utility. The backup system includes a generator/condenser unit that is coupled to a flywheel unit to maintain the flywhe... | 05/09/2006 |
| 6909200 | Methods of supplying energy to an energy bus in a hybrid electric vehicle, and apparatuses, media and signals for the same Methods, apparatuses, media and signals for supplying energy to an energy bus in communication with an energy generating device and with a regenerative braking system in a hybrid electric vehicle are disclosed. One such method includes controlling power supplied by ... | 06/21/2005 |
| 6744146 | Electrical circuit for providing a reduced average voltage Systems and methods of the invention may utilize integrated starter-alternator (ISA) electronics to drive a conventional DC starter coupled to a start-stop ISA system providing a voltage higher than that at which the starter is rated. The DC starter may cold crank a... | 06/01/2004 |
| 6677685 | Controller for a continuously variable transmission A clamp pressure controller for a variable ratio belt drive system for a generator is provided. The controller monitors the voltage at the output of the generator. If this falls the controller increases the clamp pressure so as to prepare the drive system... | 01/13/2004 |
| 6573626 | Apparatus for uninterruptedly supplying power including an electrical machine and a flywheel An apparatus for uninterruptedly supplying power includes an electrical machine including a rotor and being designed and arranged to be connected to a load to be supplied with alternating current. Coupling units include a differential transmission includi... | 06/03/2003 |
| 6561940 | Method of and apparatus for driving aircraft generator at a constant-speed An output rotational driving power of the engine is split into a first split power and a second split power. The first split power is transmitted to a continuously variable speed transmission that transmits the first split power by a shearing resistance o... | 05/13/2003 |
| 6527660 | Method and apparatus to transfer torque at a nominally constant speed to a dynamoelectric machine from a variable speed engine A transmission for coupling a variable speed engine to a dynamoelectric machine that has three hydraulic units coupled to a mechanical summer, wherein two of the hydraulic units are varied in displacement to control the speed of the third in order to keep... | 03/04/2003 |
| 6208036 | Powertrain with integrated motor generator A hybrid powertrain has an internal combustion engine, a power transmission and an electric drive. The electric drive includes a stator secured in the housing of the power transmission and a rotor secured to the outer periphery of the torque converter of ... | 03/27/2001 |
| 6133716 | High-efficiency high-power uninterrupted power system An uninterrupted power supply (UPS) system provides power to an electrical load when utility line power fails. When the utility line power is normal a synchronous dynamo serves as a motor, and a first variable-ratio transmission arrangement is combined wi... | 10/17/2000 |
| 6087753 | High-efficiency inductor-alternator An inductor-alternator provides highly efficient conversion between mechanical and electrical energy. The inductor-alternator produces increased output by providing armature coils in a single air gap formed between two halves of a toothed rotor. In prefer... | 07/11/2000 |
| 5923093 | Hybrid vehicle drive system adapted to assure smooth brake application by motor/generator or engine A hybrid drive system for a motor vehicle, including an engine, a motor/motor, an automatic transmission disposed between the engine and a vehicle drive wheel, a regenerative braking device for applying to the vehicle a regenerative braking force correspo... | 07/13/1999 |
| 5914575 | Power output apparatus and method of controlling the same While a ring gear shaft 126 linked with a drive shaft rotates, a power output apparatus 110 applies a torque to a first motor MG1 attached to a sun gear shaft 125, thereby abruptly increasing a revolving speed of an engine 150, to which a fuel injection i... | 06/22/1999 |
| 5901269 | Speed regulating circuit for motor of power coping saw A speed regulating circuit for a motor of a power coping saw includes a DC voltage circuit, a manual speed regulating circuit, a feedback controlling circuit and a motor driving circuit. The DC voltage circuit includes a diode, a resistor, a capacitor, an... | 05/04/1999 |
| 5747883 | Fan and generator variable speed drive mechanism The cooling for large track laying type vehicles is provided by a fan which circulates air through the powertrain compartment and a radiator. The fan speed is varied to reduce the power requirement when maximum air flow is not needed. The speed of the fan... | 05/05/1998 |
| 5731687 | Generator assembly In a generator assembly, outside air, taken from a suction hole into a fixed soundproof housing, is sucked into a portable engine generator covered by a soundproof case to operate an engine and cool the interior of the fixed soundproof housing. The exhaus... | 03/24/1998 |
| 5696438 | Electrical hybrid vehicle battery charging system arrangement Electrical hybrid vehicle propulsion system in which a generators run directly from the drive shaft are employed to provide trickle charging of the battery when the vehicle is in operation. Mounted on the drive shaft is a rubber base molded adaptor with c... | 12/09/1997 |
| 5684388 | Scroll saw motor/printed circuit board housing with switch lock-out A motor housing for a variable speed scroll saw or other operating tool is disclosed. The motor housing includes a motor as well as a printed circuit board mounted in the motor housing adjacent the motor. A switch is attached to the printed circuit board ... | 11/04/1997 |
| 5656921 | Control of a vehicle powertrain A controller 20 for a vehicle powertrain, the powertrain comprising an electric motor 16 powered by a battery and an engine 14 powered by fossil fuel. The engine 14 is typically an internal combustion petrol engine. The controller 20 is operative to use m... | 08/12/1997 |
| 5637987 | Regenerative vehicle launch A hybrid electric vehicle includes an internal combustion engine, a multi-speed automatic transmission, and an electric machine operable in a motoring mode and a generating mode. A compound planetary gear set operatively couples the engine, transmission a... | 06/10/1997 |
| 5476293 | Electric energy storage and distribution system of differential distribution type An electric energy storage and distribution system for a fluid-driven propeller, the propeller being connected to drive an AC generator, includes a planetary gear system by means of which rotation of the propeller is transferred to the AC generator motor,... | 12/19/1995 |
| 5068591 | Speed control for electrical generating system An electrical generating system is driven by a variable speed prime mover through a constant speed drive. A speed control, as a proportional integrator responsive to frequency error, controls the constant speed drive. Stability and speed of response of th... | 11/26/1991 |
| 4908565 | Power generating system A power supply system for developing electrical power from variable-speed motive power produced by a prime mover includes a differential speed summer having a first shaft coupled to the prime mover and further having second and third shafts coupled to fir... | 03/13/1990 |
| 4888493 | Speed trimming integrated drive generator A speed trimming integrated drive generator 18 includes a differential 24 having inputs coupled to a prime mover 20 and to a wild frequency generator 48, the output thereof being coupled to a main generator 14. In order to control main generator speed, an... | 12/19/1989 |
| 4857755 | Constant power system and method A method and system for maintaining a substantially constant output of electrical power includes an engine for operating upon receipt of a signal, an electric motor, a flywheel mounted to rotate when either the engine or the motor is operated, a generator... | 08/15/1989 |
| 4841202 | Speed-limited electrically compensated constant speed drive An electrically compensated constant speed drive which is speed limited so that power flow through the speed compensation link is unidirectional includes a permanent magnet generator which is interconnected with a permanent magnet motor by a power convert... | 06/20/1989 |
| 4808842 | Dual voltage generator system A system for providing a regulated low voltage DC source and a regulated higher voltage AC source at a preselected frequency, such as 60 Hz. from the same windings of an alternator rotated at variable speeds including a phase WYE connected engine driven a... | 02/28/1989 |
