About 134 results
https://drivepatents.com/patents/1066969 · 31 May 2006
A pair of nonmagnetic portions (24) are formed in a rotor core (21) at opposite ends of each pole, formed by a permanent magnet (22). Given that a circumferential pitch of teeth cores (11b) is Äs and an opening angle is the angle defined with respect to t...
https://drivepatents.com/patents/1072154 · 30 Nov 2005
An object is to provide an inverter device capable of detecting the welding of a switching device in early stages, and in summary, the inverter device is equipped with a parallel circuit of a charging circuit and a switch connected between a battery and an...
https://drivepatents.com/patents/1074893 · 17 Aug 2005
A descent-restricting device (1, 201, 301, 401, 501, 601) for restricting a descent of a vehicle when starting the vehicle from a stationary state on an incline includes a motor (30, 230, 330, 430, 530, 630) for transmitting power to a drive shaft of a veh...
https://drivepatents.com/patents/1077092 · 8 Jun 2005
A drive system with a central supply (2) and several motor-side power converters (4) which are each linked on the DC side with a controlled DC output of the central supply (2), in which the central supply on the input side has a mains-driven converter (12)...
https://drivepatents.com/patents/1077156 · 8 Jun 2005
A cooling device for a high voltage electrical unit for a motor of a vehicle, includes: an inverter for controlling the motor that drives the vehicle; an electrical energy storing device for supplying electrical energy to the motor via the inverter; a down...
https://drivepatents.com/patents/1077429 · 1 Jun 2005
A control device (30) receives an output voltage (Vm) of a voltage-up converter (12) from a voltage sensor (13), and calculates a feedback preliminary voltage control value determined by the difference between a voltage control value and the output voltage...
https://drivepatents.com/patents/1082772 · 3 Nov 2004
By using a target voltage Vc* of a capacitor connected to the output side of a DC/DC converter and a voltage Vb of a battery connected to the input side of the DC/DC converter, a duty ratio D (Vb/Vc*) as a drive instruction of the DC/DC converter is calcul...
https://drivepatents.com/patents/1083831 · 22 Sep 2004
An electric load apparatus (100) includes a DC power source (B), a voltage sensor (10, 20), system relays (SR1, SR2), a capacitor (11, 13), a DC/DC converter (12), an inverter (14), a current sensor (24), a rotation sensor (25), a control apparatus (30), a...
https://drivepatents.com/patents/1086050 · 30 Jun 2004
A ring type starter/generator comprises ring shaped stator (1), ring shaped rotor (2, 3) and a set of large current-conversion controller with low power consumption. Ring shaped stator (1) is mounted on engine body or water pump housing, and ring shaped ro...
https://drivepatents.com/patents/1086557 · 9 Jun 2004
An integrated drive motor unit which is integrally constituted of a motor (60), an inverter (50) and a reducer differential unit (70) arranged in a row, and a frame member (8). The reducer differential unit is connected to an output shaft (3) of the motor,...