About 196 results
https://drivepatents.com/patents/1069036 · 22 Mar 2006
An alternating current motor driving system provided with a plurality of alternating current generators, a common distribution bus, a plurality of power conversion devices, a plurality of power conversion control circuits, and a plurality of alternating cu...
https://drivepatents.com/patents/1069682 · 1 Mar 2006
The present invention relates to a conveyance vehicle in which pulling force or pushing force of someone who conveys the conveyance vehicle by pulling or pushing the conveyance vehicle and a control method thereof. A conveyance vehicle according to the pre...
https://drivepatents.com/patents/1071359 · 28 Dec 2005
A drive control apparatus and method for a vehicle having an internal combustion engine driving main drive wheels, an electric motor driving auxiliary drive wheels, and a clutch disposed between the electric motor and the auxiliary drive wheels. The drive ...
https://drivepatents.com/patents/1076039 · 13 Jul 2005
The present invention approximates an induced voltage waveform to a sinusoidal waveform when the magnetic pole of a magnet opposing the respective teeth are switched while a rotor is rotating. A plurality of magnetic poles 45a and 45b opposing a plurality ...
https://drivepatents.com/patents/1076030 · 13 Jul 2005
In response to detection of a skid of drive wheels based on an increase in angular acceleration alpha of a rotating shaft of a motor, the control procedure of the invention refers to a map representing a variation in maximum torque Tmax against the angular...
https://drivepatents.com/patents/1076486 · 29 Jun 2005
An increase in angular acceleration alpha of a rotating shaft of a motor, which outputs a torque to a drive shaft linked to drive wheels, may cause a skid on the drive wheels. In response to detection of a skid, the control procedure of the invention sets ...
https://drivepatents.com/patents/1077011 · 15 Jun 2005
A rotary electric machine is constituted with: a rotary shaft 220; a rotor 40 connected to the rotary shaft 220; a stator 31 placed opposite the rotor 40; a stepping motor 60 serving as an adjusting motor for adjusting the position of the rotor 40 relative...
https://drivepatents.com/patents/1090604 · 2 Jan 2004
A motor (25) has a rotatably supported rotor core (34) and permanent magnets (30) disposed at equal intervals at a plurality of positions in a circumferential direction of the rotor core. The rotor core (34) has projecting poles (57) formed at equal interv...
https://drivepatents.com/patents/1093281 · 17 Sep 2003
A control device of an electric car in which any two of control devices fixed to the corresponding electric motors send signals to each other and send and receive control information by taking a bypass route when any one of transmission lines malfunctions ...
https://drivepatents.com/patents/1096759 · 16 Apr 2003
When conducting power-on shift by a clutch-to-clutch in an automatic transmission (48), friction control is unstable, and theoretically, torque transition is impossible when gear is downshifted. Also, so-called skip shift, i.e., the transmission between th...