Featured patents

Aircraft Power Supply Circuit Including an Asynchronous Machine
US 08847560 B2, Sept. 30, 2014, Induction generator, Eric De Wergifosse / Hispano-Suiza (Colombes, FR)
A power supply circuit for supplying electrical energy in an aircraft,…

Engine-Generator With Load Bank and Control System
US 08816651 B1, Aug. 26, 2014, With line-drop compensation, George Fell / Multiquip, Inc. (Carson, US)
An engine-generator and load bank system comprising:…

Sensor PM Electrical Machines
US 08866449 B1, Oct. 21, 2014, Combined permanent magnet and wound field structure, Jacek F. Gieras et al. / Hamilton Sundstrand Corporation (Charlotte, US)
An electrical machine comprising:…

System and Method for Controlling a Temperature of a Generator
US 08760127 B2, June 24, 2014, Thermal conditions, Balamurugan Sridharan et al. / General Electric Company (Schenectady, US)
A system for controlling a temperature of a generator, the system comprising:…

Circuit and Method for De-Energizing a Field Coil
US 08749206 B2, June 10, 2014, With excitation winding and / or circuit control, Michael Scheffer et al. / Infineon Technologies AG (Neubiberg, DE)
A circuit comprising:…

Switched Reluctance Generator Initial Rotor Position Estimation
US 08624564 B2, Jan. 7, 2014, With Signals, Indicators, Recorders, Testing, Etc., Robert Lindsey et al. / Caterpillar Inc. (Peoria, US)
A method of estimating rotor speed of a generator having a rotor and a stator…

Systems, Methods, and Apparatus for a Homopolar Generator Charger With Integral Rechargeable Battery
US 08581559 B2, Nov. 12, 2013, Acyclic or homopolar-type generator, Richard Edward Botts / Mechanical Energy Generating Systems, L.L.C. (Forsyth, US)
An apparatus comprising:…

Circuit and Method for De-Energizing a Field Coil
US 08487592 B2, July 16, 2013, With excitation winding and / or circuit control, Benno Koeppl et al. / Infineon Technologies AG (Neubiberg, DE)
A circuit comprising:…

Systems and Methods of Reducing a Load on an Engine
US 08476872 B2, July 2, 2013, Voltage of generator or circuit supplied, William L. Waldschmidt et al. / Thermo King Corporation (Minneapolis, US)
A system for reducing an alternator's load on an engine when the engine drives…

Programmable High Voltage Energy Saving System
US 08456138 B2, June 4, 2013, Plural electrical conditions, Xishe Lei et al. / MacMic Science & Technology Co., Ltd. (Changzhou, CN)
A programmable high voltage energy saving system comprising:…

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