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| Number | Title | Issue Date |
| 7436137 | Drive regenerative control system Provided is a drive regenerative control system of a drivee with a motor superior in torque and weight balance and suitable for miniaturization as the drive source. In a drive regenerative control system having a drive source with an electric motor, a drivee, a cont... | 10/14/2008 |
| 7279858 | Drive regenerative control system Provided is a drive regenerative control system of a drivee with a motor superior in torque and weight balance and suitable for miniaturization as the drive source. In a drive regenerative control system having a drive source with an electric motor, a drivee, a cont... | 10/09/2007 |
| 7119520 | Energy storage flywheel test control system A system and method for removing energy from the rotating group in an energy storage flywheel system during flywheel system testing includes one or more sensors is operable to sense operational parameters of the energy storage flywheel and to supply a sensor signals... | 10/10/2006 |
| 6998727 | Methods of operating a parallel hybrid vehicle having an internal combustion engine and a secondary power source The invention is directed toward methods for operating a parallel hybrid vehicle in a manner that responds to the operator's demand for power output, while maximizing engine efficiency and minimizing disruptions in vehicle drivability. According to principles of the... | 02/14/2006 |
| 6803734 | Method for eliminating fuel use during dynamic braking A dynamic braking system for a vehicle, the system comprising an engine, an alternator, a plurality of alternating current (AC) electric traction motors, each coupled in driving relationship to a respective one of a plurality of driven wheels, a plurality of power i... | 10/12/2004 |
| 6580977 | High efficiency fuel cell and battery for a hybrid powertrain This invention provides a new method and system to control strategies of a combined fuel cell and battery pack power system to produce an efficient and cost-effective powertrain with acceptable drivability and low emissions. The method and system provide ... | 06/17/2003 |
| 6121740 | Control of regeneration energy from an electric motor A method and apparatus are disclosed for controlling regenerative energy from an induction motor. The induction motor is connected to a battery, which is intended to capture the regenerative energy of the induction motor. Normally, the induction motor is ... | 09/19/2000 |
| 6064161 | Vehicle drive device and vehicle drive device control method A motor/generator and drive wheel are connected to an engine, and the drive wheel is driven by the engine and motor/generator according to running conditions. A sensor which detects a slip of the drive wheel and a sensor which detects a depression of an a... | 05/16/2000 |
| 5606230 | Direct current drive system A Direct Current drive system with a multiplicity of applications including that of powering electric vehicles. The system contains a hybrid electric motor formed by a unique synchronous arrangement of two electrical motors, a primary and a secondary. The... | 02/25/1997 |
| 5359308 | Vehicle energy management system using superconducting magnetic energy storage An energy management system for a hybrid internal combustion and electric vehicle provides a highly energy-efficient and yet highly agile hybrid vehicle. The vehicle includes an internal combustion engine, an electric motor/generator and at least one elec... | 10/25/1994 |
| 5189360 | Method and apparatus for providing controlled mechanical braking torque Apparatus and method for electrically generating mechanical braking torque employs direct field drive incorporating an AC alternator plus a current regulator. The stator windings of the alternator are directly coupled to the field winding via a full wave ... | 02/23/1993 |
| 5045765 | Process and arrangement for ventilating the passenger compartment of a motor vehicle A process and arrangement for the ventilation of the interior of a motor vehicle is provided, whereby the motor vehicle has a ventilating device and a roof having at least one roof opening which can be opened and closed by displacement of at least one cov... | 09/03/1991 |
| 4908553 | Magnetic regenerative braking system The present invention is a regenerative braking system useful in systems having variable kinetic energy such as vehicles. A DC machine having an independently energized field coil includes a rotor mechanically coupled for rotation at a speed proportional ... | 03/13/1990 |
| 4528488 | Warning device using power tool residual kinetic energy A warning and braking device for use on a power cutting tool such as a circular saw or a lawnmower comprises a generator, a drive shaft and a pulley connected by a lever to the power tool on/off switch. When the power tool is in the working "on" position,... | 07/09/1985 |
| 4132934 | Electric motor driven vehicles A control arrangement is described for dynamically braking a vehicle driven by an electric motor having a single field winding. The control arrangement comprises means for controlling the supply of power to the motor, a permanent magnet generator for mech... | 01/02/1979 |
| 3997827 | Shaded pole electric motor and brake A shaded pole electric motor which utilizes shading coils on the shaded poles is operated to provide a braking action. The shading coils are normally operated to cause the motor to operate either clockwise or counterclockwise. The current flow in the shad... | 12/14/1976 |
| 3974396 | Electric generator arrangement An electric generator arrangement has at least two wind or water wheels rotatably mounted on a common stationary shaft and coupled such that they rotate in opposite directions with a given ratio or a progressively variable ratio. The wheels carry the two ... | 08/10/1976 |