About 176 results
https://drivepatents.com/patents/971682 · 6 Aug 2014
An ECU executes a program including the steps of: obtaining (S100) a first temperature Ta of a first semiconductor element; obtaining (S102) a second temperature Tb of a third semiconductor element; determining (S110) that it is in a normal state in which ...
https://drivepatents.com/patents/972052 · 30 Jul 2014
A vehicular motor drive device is provided with an electric motor and a speed reducer having two gear trains capable of switching a fixed gear ratio. Driving force curves, which are determined depending on an output characteristic of the motor and represen...
https://drivepatents.com/patents/972207 · 23 Jul 2014
The present invention provides a structure for protecting a corner of a case of an on-board device, and provides the structure for protection having improved assembling efficiency. The present Description discloses the structure for protecting a corner 4d ...
https://drivepatents.com/patents/973489 · 18 Jun 2014
The gear (1) has a housing (25) provided with two input shafts (2) that are arranged with output shafts (3, 4). A sun gear (12) of an input stage (6) is operatively connected to the input shafts. A load stage (7) comprises a housing-fixed ring gear (13). A...
https://drivepatents.com/patents/974176 · 4 Jun 2014
Provided is a transmission which is capable of outputting required power irrespective of the direction of rotation of an electric motor, and furthermore is capable of recovering energy with efficiency. A transmission device (3) for transmitting power comin...
https://drivepatents.com/patents/974308 · 28 May 2014
A rotary electric machine apparatus includes a first rotary electric machine that includes a first rotor, a first stator and a first housing for containing the first rotor and the first stator, a second rotary electric machine that includes a second rotor,...
https://drivepatents.com/patents/977034 · 26 Mar 2014
In an electric vehicle, high-power unit (20) disposed in motor room (2) to supply drive current to motor drive unit (10), and battery pack (30) disposed below vehicle body floor (3) are connected to each other through charging/discharging harness (51). Hig...
https://drivepatents.com/patents/976968 · 26 Mar 2014
An object is to reduce various losses occurring in a speed-reduction/differential gear apparatus for electric vehicles including a planetary-gear speed reducer and a differential device, thereby improving transmission efficiency of the driving force and in...
https://drivepatents.com/patents/976940 · 26 Mar 2014
A motor structure for an electric bicycle including a motor (500) provided with a rotor (501) and a stator (506) to generate a rotary force to drive a wheel (50) of the electric bicycle, the rotor having an accommodation space formed at a center thereof, a...
https://drivepatents.com/patents/976862 · 26 Mar 2014
An axle assembly having an electric motor module. The electric motor module may be coupled to a differential assembly. A rotor of the electric motor module may be coupled to a pinion of the differential assembly with a first coupling.