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Class Information
Number: 415/4.4
Name: Rotary kinetic fluid motors or pumps > With means for controlling casing or flow guiding means in response to natural fluid current force or direction > Vertical runner axis
Description: Device wherein the runner"s* axis of rotation is generally parallel to the force of gravity acting on the working fluid*.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8613586 Vortical wind energy apparatus Dec. 24, 2013
8602718 Transverse-axis turbine with twisted foils Dec. 10, 2013
8602719 Vertical axis wind turbine Dec. 10, 2013
8591169 Rotor for generating electrical power from a flow medium Nov. 26, 2013
8591171 Open-flow vertical wind generator Nov. 26, 2013
8562282 Large capacity wind power generator Oct. 22, 2013
8556572 Wind power turbine Oct. 15, 2013
8545168 Two-dimensional array of turbines Oct. 1, 2013
8534987 Wind energy conversion devices Sep. 17, 2013
8511965 Vertical axis turbine Aug. 20, 2013
8508065 Windmill generator system Aug. 13, 2013
8496429 Prime mover Jul. 30, 2013
8480363 Self-starting turbine with dual position vanes Jul. 9, 2013
8469665 Vertical axis wind turbine with twisted blade or auxiliary blade Jun. 25, 2013
8459937 Unity wind power plant with vertical axis of rotation Jun. 11, 2013
8459930 Vertical multi-phased wind turbine system Jun. 11, 2013
8430632 System and method for pitching a rotor blade in a wind turbine Apr. 30, 2013
8419346 Wind turbine Apr. 16, 2013
8403622 Radial-flow, horizontal-axis fluid turbine Mar. 26, 2013
8322992 Modular wind-driven electrical power generator and method of manufacture Dec. 4, 2012
8317460 Boundary layer wind turbine Nov. 27, 2012
8317480 Turbine assembly and energy transfer method Nov. 27, 2012
8308430 Wind turbine/generator set having a stator cooling system located between stator frame and active coils Nov. 13, 2012
8297930 Vertical axis wind turbine Oct. 30, 2012
8297911 Eolic generator Oct. 30, 2012
8282339 Vertical axis turbine Oct. 9, 2012
8282350 Method and apparatus for capturing wind to produce electrical power Oct. 9, 2012
8257018 Wind energy conversion devices Sep. 4, 2012
8226348 Vertical axis rotor-type wind turbine Jul. 24, 2012
8215897 Cylindrical wind turbine Jul. 10, 2012
8197215 Drive train for a wind turbine Jun. 12, 2012
8186956 Semi-flexible supporting structure for wind turbine May. 29, 2012
8177481 Vertical axis wind turbine May. 15, 2012
8177482 Wind power conversion apparatus driven by fly wheel May. 15, 2012
8172529 Method of operation of a high-efficiency turbine with variable attack angle foils May. 8, 2012
8162589 Moving fluid energy recovery system Apr. 24, 2012
8157501 Vertical axis sail-type windmill power transfer device Apr. 17, 2012
8154145 Flow energy installation Apr. 10, 2012
8128337 Omnidirectional vertical-axis wind turbine Mar. 6, 2012
8123482 Device for maintaining a hydraulic turbomachine Feb. 28, 2012
8118537 Vertical axis windmill Feb. 21, 2012
8087897 Fluid rotor Jan. 3, 2012
8083464 Stackable nacelle for wind turbines Dec. 27, 2011
8016544 Vertical windmill Sep. 13, 2011
8011876 Wind driven power generator Sep. 6, 2011
7976267 Helix turbine system and energy production means Jul. 12, 2011
7938615 Enhanced vortex engine May. 10, 2011
7931434 Device for producing mechanical energy by means of a divergent, telescopic and auto sustained chimney Apr. 26, 2011
7931440 Vertical axis wind turbine Apr. 26, 2011
7905707 Pitch actuator for wind turbine generator, and wind turbine generator Mar. 15, 2011

1 2 3 4










 
 
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