About 102 results
https://drivepatents.com/patents/992020 · 10 Apr 2013
Provided is a hybrid construction machine capable of facilitating the hybridization (conversion, redesigning, etc. into a hybrid construction machine) even for construction machines of the minimal tail swing radius type or the minimal swing radius type. A ...
https://drivepatents.com/patents/994853 · 19 Dec 2012
The present invention is able to perform an examination of a motor mounted on EV or HEV (HV) as well as charge and discharge of a battery mounted on EV or HEV (HV), by a single system. The system includes a dynamometer 2 coupled to an output shaft 201 of a...
https://drivepatents.com/patents/1000600 · 11 Jul 2012
The present invention provides a speed ratio control method applicable to CVT of EVs so as to optimize the motor performances. Said speed ratio control method for CVT of EVs comprises the following steps: the controller acquires the real-time opening degre...
https://drivepatents.com/patents/1001375 · 13 Jun 2012
There is provided a hybrid electric vehicle comprising an engine (101) and only one electric machine (102) mechanically coupled to the gear system (100) for propelling the vehicle, wherein the maximum power of said electric machine (102) is greater than th...
https://drivepatents.com/patents/1002083 · 23 May 2012
An electric drive system includes a permanent magnet machine (70) having a rotor (116) and a stator (118) and a power converter (62) electrically coupled to the permanent magnet machine (70) and configured to convert a DC link voltage to an AC output volta...
https://drivepatents.com/patents/1002486 · 9 May 2012
The snowcat (1) has two generators (10) arranged parallel to each other between a combustion engine i.e. diesel engine (8), and a power electronics (12) i.e. direct current intermediate circuit. The generators are connected with respective electromotors (1...
https://drivepatents.com/patents/1002733 · 2 May 2012
The drive unit (10) has a rotatable rotor (26) that is arranged along the radial direction axis (A) of stator (20) of electric machine (12). A receiving space (32) is formed in the rotor-stator assembly. A clutch (14) is located within the receiving space ...
https://drivepatents.com/patents/1006690 · 28 Dec 2011
The motor has a three phase motor stator connected to an three phase electric network whose number of phases is less than phases (A', B', C') of the motor, where charging current of the network is injected via one of connection points (AO'-CO') dividing a ...
https://drivepatents.com/patents/1010920 · 20 Jul 2011
A rotor includes a rotor core; and first permanent magnets and second permanent magnets arranged in the rotor core so that, on a cross-sectional plane of the rotor core perpendicular to the rotation axis thereof, the first and second magnets corresponding ...
https://drivepatents.com/patents/1014727 · 23 Mar 2011
A power plant which is capable of reducing the size and costs thereof and attaining high driving efficiency. In the power plant 1, the ratio between the number of first armature magnetic poles that form a first rotating magnetic field generated by a first ...