About 756 results
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https://drivepatents.com/patents/987669 · 7 Aug 2013
The water injection device (1) has a flow channel (2) that is provided with a steam inlet (8) and a steam outlet (10). An injection nozzle (12) is formed between steam inlet and steam outlet. The injection nozzle is arranged to hollow portion (14) spaced-a...
https://drivepatents.com/patents/987658 · 7 Aug 2013
A method and an apparatus for determining a phase (¸) and a frequency (É) of an electric quantity being associated with an operation of an electrical device are described. The method comprises extracting a fundamental component (V ±1 , V ²1 ) of the el...
https://drivepatents.com/patents/987998 · 31 Jul 2013
It is described a method for operating a converter (100) of a wind turbine for providing electric energy to a utility grid (158), the method comprising: determining a grid voltage (V); if the grid voltage (V) is between a nominal voltage (V0) and a first v...
https://drivepatents.com/patents/988320 · 24 Jul 2013
The arrangement (1) comprises an exhausting device (5) that is provided for removal (6) of the exhaust air (2) in the housing (3) of a heat engine (4). A transmission unit (7) is provided for transmission (11) of the thermal energy of the exhaust air exhau...
Method for determining circuit states in energy supply networks and system for performing the method
https://drivepatents.com/patents/988310 · 24 Jul 2013
The method involves determining the network topologies to a power supply system based on the existing network elements (N1-NN) and the possible states of the switches (S1-SN) of the network. The associated fictitious voltage values ??are calculated from th...
https://drivepatents.com/patents/984651 · 3 Jul 2013
The apparatus has a load transport unit that transports loads along a transportation path. A transportation path portion extending rail (1) has U-shaped profile with leg ends (11,12) forming two bearing surfaces for wheel or pairs of rollers (21,22) at loa...
https://drivepatents.com/patents/989265 · 26 Jun 2013
The power converter circuit has two sub-modules (11) which are connected in series, for drawing electrical power from a power source emitting the direct voltage through an inductor. Each sub-module has a single-phase half bridge (20) on the input side and ...
https://drivepatents.com/patents/984781 · 26 Jun 2013
The converter circuit (4) has two sub-modules (22) that are connected in series, for receiving electrical power from a power source (8) via an inductor (20). Each sub-module has single phase half bridge on input sides (26,28) and single phase full bridge o...
https://drivepatents.com/patents/984754 · 26 Jun 2013
The method involves detecting the operating parameters (T1,T2,n,I) of the drive motor (2) and/or of circuit arrangement (3) during operation of the motor car (1) by a computing unit (6) of motor car. The operating parameters of the parameter values are sto...
https://drivepatents.com/patents/984752 · 26 Jun 2013
A method for computer-assisted determination of the usage of electrical energy produced by a power generation plant, particularly a renewable power generation plant The invention relates to a method for computer-assisted determination of the usage of elect...