|8648480||Energy harvesting system using flow-induced vibrations|
A system includes a housing disposed within a fluid having a fluid flow. A first member is located substantially external to the housing and is directly exposed to the fluid flow and lengthwise positioned transverse to the direction of the fluid flow. The first memb...
|8368236||System and method for generating an alternating current output signal|
A system and device for providing AC signal. The system includes: an AC generator that outputs an AC output signal and includes an AC rotor that communicates with a shaft that is rotated at a rotation speed; a speed sensor for sensing the rotation speed; and a contr...
A method and an apparatus are described for monitoring a rotating synchronous electric machine (9), which comprises a rotor winding and a stator having a stator winding. The method comprises the steps of determining the stator winding current, determining the...
|7173398||System for controlling a vehicular generator|
A system for controlling a vehicular generator, includes: a voltage controlling device 1 for adjusting a generator output voltage of a generator 10 connected to an in-vehicle battery 4 to a predetermined voltage, the voltage controlling device
|7023160||Method for controlling doubly-fed machine|
A method for operating a doubly-fed machine by determining its rotational speed (nact), forming a rotational speed reference (nref), measuring network voltage and current, and calculating network active power (Pact) and reactive powe...
|6933622||Diesel-electric locomotive and traction grouping composed of at least two diesel-electric locomotives|
A diesel-electric locomotive includes an assembly including a diesel engine and a generator, a drive unit and a control device, connectable to control devices of other locomotives. Further, a traction grouping includes at least two such diesel-electric locomotives, ...
|6906479||Gas turbine engine starter generator with multiple windings on each exciter stator pole|
A rotating electrical machine, such as an aircraft starter-generator, includes an exciter that has its stator windings divided into a number of sections. A plurality of switches are electrically coupled to the exciter stator winding sections and are configured and c...
|6274941||Process and device for dosing the thermal output of combined heat and power generation systems|
The thermal output of a combined heat and power generation system is regulated by varying the speed of rotation while maintaining the position of the control means of the thermal engine in its maximum efficiency range. For that purpose, the thermal engine...
|5929612||Externally field-controlled induction generator|
In an induction generator, an additional set of stator windings is provided, separate from and secondary to the main stator windings upon which the generator's output voltage is generated and supplied to the load. This separate stator winding is provided ...
|5304848||Drive unit for vehicles driven on rails|
A drive unit for vehicles driven on rails includes an electric drive motor having a rotor shaft with first and second ends. A rotor is disposed on the rotor shaft. A pinion is secured to the rotor shaft toward the first end. A transmission is connected to...
|5285111||Integrated hybrid transmission with inertia assisted launch|
The present invention relates to a power transmission that is interposed between the internal combustion engine and the drive ratio selection transmission of a vehicle. A motor/generator is operatively connected to the power transmission, and the power tr...
|5272379||Power supply device for an electric vehicle|
A power supply device for electric vehicle. The power supply device includes an engine, transmission, generator-motor, power converting circuit, battery and alternating drive motor. In operation, the battery supplies a direct current to the power converti...
|4139780||Multi-channel generator drive system|
A multi-channel generating system wherein each channel is provided with a permanent magnet generator (PMG) coupled directly to the output of a constant speed drive. An overrunning clutch is located between the PMG and the generator. The frequency of the s...