About 134 results
https://drivepatents.com/patents/940930 · 6 Jul 2016
A switching circuit includes: a full-bridge circuit (INV) including first arms that include a first switching element (S1) and a second switching element (S2), and second arms that include a third switching element (S3) and a fourth switching element (S4);...
https://drivepatents.com/patents/940757 · 6 Jul 2016
The invention relates to a method for safely controlling a braking torque of a drive system (1). For safe controllability of the braking torque, it is proposed that the drive system (1) comprises a synchronous machine (2) and a switching device (3), wherei...
https://drivepatents.com/patents/941441 · 22 Jun 2016
This system (10) comprises a power converter (22) for a synchronous electrical machine (14) to which it is connected by cables (23, 24, 25), an isolation device (26) and means (27) for short-circuiting the phases of the machine, the system comprising means...
https://drivepatents.com/patents/943085 · 18 May 2016
Provided are an inverter device deterring PWM voltage error even if high inverter output frequencies are used for overmodulation driving and an electric vehicle equipped with the inverter device. In an angular section where the output voltage from an inver...
https://drivepatents.com/patents/944611 · 13 Apr 2016
The invention is related to a vehicle transformer (10), comprising a transformer core (14) with two opposed yokes (18, 20, 82) and at least two limbs (22, 24, 34, 54) extending inbetween them along a parallel limb axis (26, 32, 52), wherein a support struc...
https://drivepatents.com/patents/945202 · 6 Apr 2016
The present invention is directed to a method for assembling a semiconductor device and the resulting device, wherein the method comprising the steps of: a) Providing a lead frame (LF) that comprises a plurality of leads (LD1, LD2) and a pair of support pa...
https://drivepatents.com/patents/946177 · 9 Mar 2016
There is provided a rotor for a rotary electrical machine for improving mechanical strength of the rotor against centrifugal force. The rotary electrical machine is provided with a stator, and a rotor disposed with a gap from the stator, which has a rotor ...
https://drivepatents.com/patents/953081 · 24 Feb 2016
A control system for controlling the supply of power from an energy storage system 12 to a DC bus 36 of a vehicle propulsion system 10 is disclosed herein. The control system includes a controller programmed to monitor real-time operating parameters of a p...
https://drivepatents.com/patents/947076 · 13 Jan 2016
A power supply control apparatus for a vehicle having a battery portion having a plurality of batteries of which a connection mode is switched to a series mode or a parallel mode, a device which can give or be given electric power to or from the battery po...
https://drivepatents.com/patents/956297 · 28 Oct 2015
A power supply device supplies power to a load by combining a secondary battery and a capacitor connected in parallel to the secondary battery. The power supply device includes an insulation type DC-DC converter with a primary coil connected in parallel to...