1
Somakumar R
Adnan Kutubuddin Bohori, Somakumar Ramachandrapanicker, Suma Memana Narayana Bhat: Systems for contactless power transfer. General Electric Company, June 16, 2011: US20110140429-A1

A system includes a first coil mechanically coupled to a first component and electrically coupled to a power source. The system further includes a second coil mechanically coupled to a second component and configured to receive power from the first coil via a magnetic field. At least one of the firs ...


2
William L Erdman: Variable speed wind turbine with reduced power fluctuation and a static VAR mode of operation. U S Windpower, Blakely Sokoloff Taylor & Zafman, July 6, 1993: US05225712 (222 worldwide citation)

A wind turbine power converter is disclosed herein that smooths the output power from a variable speed wind turbine, to reduce or eliminate substantial power fluctuations on the output line. The power converter has an AC-to-DC converter connected to a variable speed generator that converts wind ener ...


3
Robert D Richardson, William L Erdman: Variable speed wind turbine. U S Windpower, Blakely Sokoloff Taylor & Zafman, January 21, 1992: US05083039 (205 worldwide citation)

A variable speed wind turbine is disclosed comprising a turbine rotor that drives an AC induction generator, a power converter that converts the generator output to fixed-frequency AC power, a generator controller, and an inverter controller. The generator controller uses field orientation to regula ...


4
Lior David: Improved wind turbine transmission.. Ashot Ashkelon, January 25, 1995: EP0635639-A1 (174 worldwide citation)

Wind turbine transmission apparatus (8) including at least one planetary transmission stage, operative for providing a continuously variable transmission ratio between a rotational input from a wind-rotor and a rotational output to an electric generator. The variable transmission ratio preferably va ...


5
Tanigawa Takahito: Wind power generation device. NSK, June 10, 2004: JP2004-162652 (166 worldwide citation)

PROBLEM TO BE SOLVED: To provide a wind power generation device for constantly and stably supplying a fixed amount of electric power, without enlarging a whole device.SOLUTION: The wind power generation device comprises: a rotor 2 rotated by receiving wind; and a generator 6 driven by torque of the ...


6
Amir S Mikhail, Kevin L Cousineau, Lawrence H Howes, William Erdman, William Holley: Variable speed distributed drive train wind turbine system. Clipper Windpower Technology, Owen L Lamb, May 9, 2006: US07042110 (129 worldwide citation)

A variable speed wind turbine employing a rotor connected to a multiplicity of synchronous generators with wound field or permanent magnet rotors. A passive rectifier and an inverter are used for power transfer back to the grid. A Turbine Control Unit (TCU) commands a required generator torque based ...


7
Donald C Miller: Continuously variable transmission. Fallbrook Technologies, Knobbe Martens Olson & Bear, July 11, 2006: US07074007 (125 worldwide citation)

A continuously variable transmission is disclosed for use in rotationally or linearly powered machines and vehicles. The single axle transmission provides a simple manual shifting method for the user. An additional embodiment is disclosed which shifts automatically dependent upon the rotational spee ...


8
Robert E Donham, Richard L Heimbold: Wind turbine. Lockheed Corporation, Frederic P Smith, October 27, 1981: US04297076 (125 worldwide citation)

An improved wind turbine in which the tip portions of the blades are variable in pitch and are cyclically varied in pitch to control the yaw of the rotor and to relieve bending moments on the blades and are collectively varied in pitch to relieve bending moments on the blades and to maximize the pow ...


9
Phyllis R Heronemus: Offshore wind turbine with multiple wind rotors and floating system. Ocean Wind Energy Systems, July 11, 2006: US07075189 (121 worldwide citation)

A wind energy conversion system optimized for offshore application. Each wind turbine includes a semi-submersible hull with ballast weight that is moveable to increase the system's stability. Each wind turbine has an array of rotors distributed on a tower to distribute weight and loads and to improv ...


10
Joseph M Baskin, Gary E Miller, Wayne Wiesner: Wind powered system for generating electricity. The Boeing Company, Delbert J Barnard, January 21, 1986: US04565929 (117 worldwide citation)

A fixed pitch wind turbine rotor (18) is teeter mounted (76, 78, 80) onto a low speed input shaft (44) which is connected to the input (58) of a step-up transmission (46). The output (48) of the transmission (46) is connected to a rotary pole amplitude modulated induction machine (42) which is opera ...



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