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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7358622 | Distributed power generation system using a fuel cell and a method of controlling the same Provided is a distributed-power-generation system capable of maintaining an operation point and a method of controlling the same. The distributed-power-generation system comprises: a fuel cell producing current and high-temperature gas through an electric chemical r... | 04/15/2008 |
| 6713888 | Vehicle motor-generator apparatus utilizing synchronous machine having field winding A vehicle motor-generator apparatus based on a field winding type of synchronous machine coupled to a power inverter and a battery, wherein the synchronous machine is controlled to operate as a motor to perform engine starting and thereafter be driven by the engine ... | 03/30/2004 |
| 6624617 | Apparatus and method for stabilizing the voltage of an AC generator with variable rotor speed The method for stabilizing the voltage of an AC generator with varying (alternating) rotor speed is characterized in that the voltage generated by an AC generator is maintained constant when the rotor speed changes. The control is carried out without the ... | 09/23/2003 |
| 6621175 | Engine control system for hybrid vehicle An engine control system for a hybrid vehicle having an internal combustion engine and an electric motor as driving force sources, for permitting stopping and starting of the engine in accordance with predetermined drive conditions. The system includes a ... | 09/16/2003 |
| 6414400 | Small engine driven generator A power conversion system includes an engine coupled to drive an alternator, a rectifier circuit, and an ignition controller. The alternator includes a stator and a rotor that cooperate when driven to provide a current supplied to the rectifier circuit. T... | 07/02/2002 |
| 6356817 | Power output unit, method of controlling the power output unit, and hybrid vehicle A power output unit of the present invention sufficiently ensures the performance of a vehicle by sufficiently developing the performance of an engine without enlarging a motor. In a hybrid vehicle, a power requirement for the engine is set based on a veh... | 03/12/2002 |
| 6326702 | Output control system for series hybrid vehicle A system for controlling a series hybrid vehicle, having an internal combustion engine whose output is regulated by a throttle valve, a generator-motor connected to the engine to be rotated by the engine, an electric energy storage means connected to the ... | 12/04/2001 |
| 6274943 | Engine-starting discrimination system for hybrid vehicle A system for discriminating engine-starting of a hybrid vehicle having an internal combustion engine and a generator-motor connected to the engine to rotate the engine to start and to be rotated to generate electric power after the engine is started. In t... | 08/14/2001 |
| 6208034 | Power output device and control method of the power output device and hybrid vehicle driven by the power output device A power output device is provided with an internal combustion engine having an output shaft, an electric motor for generating and receiving electric power and for rotating a rotation shaft, a drive shaft mechanically connected to the output and the rotati... | 03/27/2001 |
| 6181020 | Integrated driving torque control system for automotive vehicles with continuously variable automatic transmission An integrated driving-torque control system for an automotive vehicle with a continuously variable automatic transmission (CVT) and an electronically-controlled engine, comprises a desired transmission ratio arithmetic-calculation circuitry calculating a ... | 01/30/2001 |
| 6166449 | Power output apparatus having a battery with a high charge-discharge efficiency A mean vehicle speed Va and a mean variation ƊVa are factors reflecting a current driving condition and an expected driving condition of a vehicle, which relate to a charge-discharge amount of a battery. A target state SOC* of the battery is calculated f... | 12/26/2000 |
| 6018201 | Electrical distribution system for a motor vehicle An electrical distribution system for a motor vehicle comprises an engine, an electrically-conductive structural portion of the vehicle and a battery having a positive terminal and a negative terminal. The system also includes a starter motor having an el... | 01/25/2000 |
| 5998880 | AC locomotive operation without DC current sensor A system and method for controlling operation of a diesel electric traction vehicle of the type including a synchronous generator driven by a diesel engine for producing alternating current (AC) electric power, the AC electric power being converted to dir... | 12/07/1999 |
| 5982045 | Hybrid vehicle drive system adapted to prevent concurrent mode change and transmission shifting or torque distribution ratio change A hybrid drive system including an engine and an electric motor at least one of which is operated as drive power source to drive a motor vehicle in a selected one of different operation modes. The system is adapted to prevent concurrent operations to chan... | 11/09/1999 |
