| Patent Number |
Title Of Patent |
Date Issued |
| 7710063 |
Electric power converter |
May 4, 2010 |
| An electric power converter, electric power conversion system and method that, without using a DC-DC converter, uses and allots the electric power of plural power sources while reducing the volume and losses. At least one phase of the motor is connected to plural power sources and genera |
| 7683511 |
Power converter and related method |
March 23, 2010 |
| A power converter that is arranged in series with a motor to form a unitary structure through which an output shaft extends is provided with a plurality of coolers and a power semiconductor module mounted on a cooling surface of at least one of the plurality of coolers to supply elec |
| 7659689 |
Power conversion apparatus and method and automobile |
February 9, 2010 |
| An apparatus and method for supplying a polyphase (AC) alternating current motor with driving voltages. A conversion unit is coupled to phases of the polyphase AC motor and includes a plurality of switching devices and includes, in at least one phase, a first switching device between a b |
| 7656689 |
Power converter and control method for a power converter using serially-connected DC power sourc |
February 2, 2010 |
| A control method for a power converter capable of reducing overall volume of a system and energy loss by using a plurality of power sources and distributing loads to them without a DCDC converter. The power converter has DC power sources and poles formed by connecting various poles of th |
| 7557527 |
Electrical power converter and control method |
July 7, 2009 |
| An electrical power converter comprises a first direct current line connected to a first direct current source, a second direct current line connected to a second direct current source, an alternating current line connected to an alternating current motor, a controller, and a pulse g |
| 7112931 |
Motor control device and motor control method |
September 26, 2006 |
| An inverter supply voltage generator comprises an inverter supply voltage computing unit 10, a voltage converter 11 and a battery 12. The inverter supply voltage generator varies inverter supply voltage Vdc in synchronization with motor-application voltages Vu_pwm, Vv_pwm, and Vw_pwm |
| 7034493 |
Motor control apparatus and motor control method |
April 25, 2006 |
| A motor control apparatus having a fundamental wave current control circuit that implements feedback control on a fundamental wave component of a motor current in a dq coordinate system rotating in synchronization with the rotation of the motor and a higher harmonic current control c |
| 7030526 |
Integrated drive motor/differential/inverter unit with improved housing for a vehicle |
April 18, 2006 |
| An integrated drive motor unit which is integrally constituted of a motor, an inverter and a reducer differential unit arranged in a row, and a frame member. The reducer differential unit is connected to an output shaft of the motor, and distributes torque of the motor to a pair of a |
| 6861813 |
Motor control apparatus and motor control method |
March 1, 2005 |
| Limits are imposed on a fundamental voltage command value calculated at a fundamental current control circuit that controls a fundamental component of a 3-phase AC motor current in a dq-axis coordinate system rotating in synchronization with the rotation of the 3-phase AC motor by using |
| 6768280 |
Motor control apparatus |
July 27, 2004 |
| A motor control apparatus includes a fundamental wave current control system that controls a fundamental wave component of a motor current in an orthogonal coordinate system and a higher harmonic current control system that controls a higher harmonic component contained in the motor curr |
| 6727675 |
Motor control apparatus and motor control method |
April 27, 2004 |
| A motor control apparatus comprises a fundamental current control device that controls a fundamental current in a 3-phase AC motor in an orthogonal coordinate system constituted of a d-axis and a q-axis rotating in synchronization with the rotation of the 3-phase AC motor, a higher h |
| 6674262 |
Motor control apparatus and motor control method |
January 6, 2004 |
| A motor control apparatus comprises a fundamental current command value determining device that determines a fundamental current command value for a motor current based upon at least a torque command value for an AC motor, a higher harmonics current command value determining device that |
| 6486632 |
Control device for motor/generators |
November 26, 2002 |
| A controller for motor/generators is proposed which allows reductions in ripple current generated by an inverter driving a power-generating motor/generator and a vehicle-driving motor/generator. The control device for motor/generators has a first inverter which supplies a control current |
| 6341584 |
Valve timing control device and method for vehicle engine |
January 29, 2002 |
| This invention relates to a valve timing control device for a vehicle engine (2) which performs combustion stop in a predetermined vehicle running condition. The predetermined vehicle running condition comprises, for example, engine startup, and combustion stop is performed by stopping |
| 6253127 |
Engine startup control device and control method |
June 26, 2001 |
| A hybrid vehicle is provided with an engine (2), a first motor (1) for starting the engine (2), a generator (1) for driving the engine (2), drive wheels (8) connected to the engine (2) via a clutch (3), and a second motor (4) for driving the drive wheels (8). A battery (15) connected to |
