About 750 results
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https://drivepatents.com/patents/955725 · 11 Nov 2015
The invention relates to an electrical machine (1) for selective operation as a transformer for an alternating voltage operation or as a choke system for a direct voltage operation. The electrical machine (1) comprises a transformer core (3) with two legs ...
https://drivepatents.com/patents/955704 · 11 Nov 2015
The invention relates to a drive axle assembly for a heavy-duty vehicle. The drive axle assembly comprises a hollow hub (2), a wheel body (6) rotatably mounted on the outer circumference of the hollow hub (2), and a planetary gear with a first (10) and a s...
https://drivepatents.com/patents/955932 · 4 Nov 2015
The invention relates to an energy transfer device (50) for transferring electrical energy generated by means of an electrical generator (56) to an electrical energy sink (26), with a rectifier device (80) connected to the electrical generator (56), an inv...
https://drivepatents.com/patents/948365 · 7 Oct 2015
The invention relates to a high-voltage direct-current transmission line (1), comprising at least one or two or multiple conductors (2), wherein along at least one of the conductors (2) at least one extraction/feed-in point (P1 to Pz) is provided, at which...
https://drivepatents.com/patents/948337 · 7 Oct 2015
The invention relates to methods for supplying electrical loads (3,31,32) of a vehicle with electrical energy by means of auxiliary converter units (1,11,12) connected in parallel on the AC voltage side, wherein in the case of a ground fault the current fl...
https://drivepatents.com/patents/948966 · 16 Sep 2015
The invention describes a power supply arrangement (5) realised to provide auxiliary power to a wind farm (1) that feeds into a HVDC transmission link (3), which power supply arrangement (5) comprises an auxiliary power supply (50) realised to deliver auxi...
https://drivepatents.com/patents/949142 · 2 Sep 2015
The invention is a method and a device for operating a system (10) comprising a generator (12) and an internal combustion engine (14) driving the generator (12), wherein a rotational speed of the generator (12) is regulated by means of a speed controller (...
https://drivepatents.com/patents/949887 · 22 Jul 2015
A method is described for determining the vehicle mass (m) or the vehicle weight of an electric vehicle (14, 14b) or an electric hybrid vehicle, a) wherein the motor torque (M) of an electric motor (EM, EMb) is determined, b) wherein an acceleration (a) of...
https://drivepatents.com/patents/949839 · 22 Jul 2015
The invention relates to a drive system (1), wherein the drive system (1) comprises at least two inverters (3, 31, 32, 33) and at least two motors (2). The motors (2), which each comprise a stator and a rotor, each have at least a first winding system (21)...
https://drivepatents.com/patents/960512 · 3 Jun 2015
The invention relates to an overhead contact line system with ceiling current rails (1, 16) which are each fixed in their central region by a fixed point to a structure (14) and are otherwise connected to the structure (14) via movable support point arms (...