Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS1835018 A
Publication typeGrant
Publication dateDec 8, 1931
Filing dateOct 1, 1926
Priority dateOct 9, 1925
Publication numberUS 1835018 A, US 1835018A, US-A-1835018, US1835018 A, US1835018A
InventorsDarrieus Georges Jean Marie
Original AssigneeLeblanc Vickers Maurice Sa
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Turbine having its rotating shaft transverse to the flow of the current
US 1835018 A
Abstract  available in
Images(1)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

1931- G. .1. M. DARRIEUS TURBINE HAVING ITS ROTATING SHAFT TRANSVERSE TO THE FLOW OF THE CURRENT Filed on 1 1926 INVENTOR 25 The present invention this section undergoes.

Patented Dec. 8,1931

UNITED STATES.

PATENT OFFICE GEORGES JEAN HABIE DLBBIIEUB, 01' PARIS, IBiANCE. ASSIGNOB'TO LIO- mu POUR LEXPLOITLTION YABIS, FRANCE nus rnocnnns mimics LEBLANG-VICKEBS, or

TUBBHWE HAVING I'IS BOTATIN G SHAFT TRANSVEBSE TO THE FLOW THE CU Application filed October 1,.1926, Serial No. 138,;4, andln l'ranoe Qctober 9, 1m.

' for even when the blades comprising them are not subjected to an adverse eifect by the fluid over a part of its course which counteracts the movement, their system of o eration in the active part of --this course is efective inasmuch as it is inseparable from the formation, down stream of eddies and discontinuities from which the kinetic energy given up to the fluid which has passed through the apparatus, represents an appreciable loss.

2. Their eripheral speed, in almost every case, is at t e most equal to that of the wind which entails the provision of large active-surfaces and a heavy and costl transmission.

as for its object a turbine in which the blades which receive the action of the wind always'present the same surface to the direction of the relative wind, and furthermore rotate at such a speed that this relative wind only undergoes a limited angular displacement with regard go she tangent of the trajectory of these '18. es. s

It is thus possible to give these blades stream line section analogous to that of the wings of birds, that is to say, offering the minimum resistance to forward movement and capable of converting into mechanical energy the maximum available amount of 40 energy of the fluid by means of the useful component of the transverse thrust which In the particular embodiment illustrated in Fig. 1, theblades a, whereof each is piv- Figure 6 is a diminished view in elevation of the perferred embodiment of my invention shown in Figure 2. 1

My turbine is so constructed as to offer a speed which much exceeds the speed of the current and in this event theratio is very great and'since the angle between the relative speed w and the ri heral. s d u will in no case exceed t e limiting eadin angle after which there would be produce a separation of the lines of the current along the profile, I may dis ense with the oscillation of the blades an hold them ri dly in position between two supporting 'scs or plates e. The blades a may be secured to their supporting disc e b any suitable means or method, such as weldin or the like.

The blades a may be eit er rectilinear and parallel to the shaft so as to form, when assembled, a cylindrical drum or squirrel cag:

as shown in Figures 2 and 6, or they may shown in the drawings.

In the examples described above the utili- 45 otally mounted on an axle b, are connected j with a kinematic device which may consist of the links 0 attached to a common eccentric zation of a fluid current of indefinite dimensions and constant direction, or on the other hand, variable in every direction, has been ring (1 which rotates, with the turbine; so that when in rotation,'the said blades will 5 .oscillate to a moderate degree on-either side considered, such as the wind, a river or torrent which is not canalized, rolling or choppy sea, etc.

It is possible, without departing from the scope of the invention, to arrange the above described wheels in channels it or tanks of a form suitable for directing the fluid on to direction for each of the half circles which separate the points 6, the utilization of all the stream lines of the fluid is'complete with the exception of course of the friction losses due in particular to the resistance of the blade section and the losses due to leakage through the gaps.

A turbine of this ln'nd, in consequence of its high specific velocity and its slmplicity is particularly adapted for utilizing the tides or rivers with a low fall, especially the exceptional quantities available at high water. What I claim is: M 7 i 1., The combinationin afluid turbine having a vertically-extending axle shaft, of'a plurality: of blades of substantially semicircular. form, the ends of each blade being rigidly secured to opposite longitudinallyspaced points on said shaft each of said blades having a substantially stream line section. v

' 2. The combination with a fluid turbine having a verticallyrextending axle shaft, of

a plurality of spaced blades rigidly secured thereto,.each of said blades having a substantially semicircular form, each of said blades having a substantially stream line section.

3. The combination with a fluid turbine having a vertically-extending axle shaft, of a plurality of equally spaced blades of substantially semicircular form,-theends of each blade being rigidly secured to opposite longitudinally-spaced points on said shaft, each of said blades having a substantially stream line section.

4. The combination with, a "fluid turbine having a vertically-extending axle shaft, of a plurality ofblades of substantially semiclrcular form rigidly secured thereto, each of said blades having a substantially streamline section, said-section having a width of a value which is but a small percentage of the diameter of. the largest circle described in the rotation of said turbine.

5. The combination with a fluid turbine having a vertically-extending axle shaft, of a plurality of blades, the extreme ends of each blade being rigidly secured to opposite longitudinally spaced points on said shaft, sai blades having a fine-stream-line outline.

6. The combination as set forth in claim 5 I provided with means for directing the actuating fluid upon the turbine in such manner that substantially all of the actuating fluid engages said blades.

7. The combination with a fluid turbine having an extending axle shaft, of a plurality of blades, the extreme ends of each blade being rigidly secured to longitudinallythe extreme ends of each blade beingrigidly secured to longitudinally-spaced polnts on said shaft. I

9.- The combination in a fluid turbine having a vertically extending axle shaft, of a plurality of blades of stream-line outline and substantially semi-circular form, the ends of each blade being rigidly secured to opposite longitudinally spaced points on said shaft.

10. The combination with a fluid turbine having a vertically extending axle shaft of a plurality of spaced blades rigidly secured thereto, each of said blades having a streamline section. i

11. The combination with a fluid turbine having a shaft at right angles to the direction of the flow, of a plurality of blades having a substantiallysemicircular form rigidly secured thereto, each of said'blades having a substantially stream-line section, said section having a width of a value which is but a small percentage of the diameter of the largest circle described in the rotation of said turbine. I

12. The combination with a'fluid turbine having a shaft at right angles to the direction of the fluid,'of a plurality of blades, the extreme ends of each blade being rigidly secured to opposite longitudinally-spaced oints on said shaft, said blades having a e stream-line outline. 13. The combination with a fluid turbine having a shaft at ri ht angles to the directionv of the fluid, of having a stream-line section, said section having a width of a value which is but a small percentage of the diameter of the largest circle described ,in the rotation'of said turbine, the longitudinal axis of each section being substantially tangent to the circle described by one of its points. .5

14. The combination with" a fluid turbine having a shaft arranged in a vertical direction, of a plurality of blades having a streamline section, said section having a width of a value which is but a small percentage of the diameter of the largest circle described in the rotation of said turbine, the longitudinal axis of each section being substantially tangent to the circle described by one of its points.

15. The combination with a fluid turbine a plurality of blades having a shaft at right angles to the direction of the fluid, of a plurality of blades parallel to this shaft having a stream-line section, said section having width of a value which is but a small percentage of thediameter of the largest circle described in the rotation of the turbine, the longitudinal axis of each section being substantlally tangent to the circle described by one of its points.

16. The combination with a fluid turbine 9 having a vertically extending shaft of a plurality of blades parallel to this shaft having a stream-line section, said section having a Width of a value which is but a small percentage of the diameter of the largest circle described inthe rotation of the turbine, the longitudinal axis of each section being substantially tangent to the circle described by one of its points.

17. The combination with a fluid turbine having a shaft at right angles to the direction of the fluid, of a plurality of blades parallel to said shaft having stream-line sections, the longitudinal axes of all these sections being all tangent to a common circle concentric with said shaft, said sections having a width of a value which is but a small percentage of the diameter of said circle.

18. The combination with a fluid turbine having a vertically extending shaft, of a plurality of blades parallel to said shaft having stream-line sections, the longitudinal axes of these stream-line sections being all tangent to a common circle concentric with said shaft, said sections having a width of a value which is but a small percentage of the diameter of said circle.

19. The combination with a fluid turbine having a shaft at right angles to the direction of the fluid, of two discs mounted on said a shaft at right angles thereto, a plurality of blades parallel to said shaft having streamline sections rigidly mounted on said discs, the longitudinal axes of these stream-line sections being all tangent to a common circle concentric with said shaft, said section having a width of a value which is but a small percentage of the diameter of said circle.

20. The combination with a fluid turbine having a vertically extending shaft, of two discs mounted on said shaft at right angles thereto, a plurality of blades parallel to said shaft having stream-line sections rigidly secured to said discs, the longitudinal axes of these stream-line sections being all tangent to a common circle concentric with said shaft, said sections having a width of a value which is but a small percentage of the diameter of said circle. 60, In testimony that I claim the foregoing as my invention, I have signed my name hereto.

GEORGES JEAN MARIE DARRlEUS.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3918839 *Sep 20, 1974Nov 11, 1975Us EnergyWind turbine
US4162410 *Nov 30, 1977Jul 24, 1979Amick James LVertical-axis windmill
US4180367 *Feb 10, 1975Dec 25, 1979Drees Herman MSelf-starting windmill energy conversion system
US4221538 *Nov 11, 1977Sep 9, 1980The Queen's University Of BelfastRotary transducers
US4247253 *Jul 6, 1978Jan 27, 1981Gakko Hojin Tokai UniversityVertical axis wind turbine
US4264279 *May 12, 1978Apr 28, 1981Dereng Viggo GFixed geometry self starting transverse axis wind turbine
US4285636 *Feb 17, 1978Aug 25, 1981Gakko Hojin Tokai UniversityVertical axis type wind power turbine
US4313711 *Aug 22, 1978Feb 2, 1982The English Electric Company LimitedTurbine and like rotary machines
US4329116 *Oct 5, 1979May 11, 1982Olle LjungstromWind turbine of cross-flow type
US4368392 *Jun 3, 1981Jan 11, 1983Pinson Energy CorporationWater turbine
US4415312 *Mar 11, 1982Nov 15, 1983Wixlin, Inc.Transverse axis fluid turbine
US4422825 *Apr 22, 1982Dec 27, 1983Boswell Fred AControlled wind motor
US4449053 *Jul 27, 1981May 15, 1984Aluminum Company Of AmericaVertical axis wind turbine
US4483657 *Sep 29, 1982Nov 20, 1984Kaiser Heinz WWind turbine rotor assembly
US4527950 *Aug 9, 1983Jul 9, 1985Biscomb Lloyd IWind motor
US4533292 *Jun 17, 1983Aug 6, 1985Mitsubishi Denki Kabushiki KaishaTurbine rotatable in one direction in a reciprocating flow
US4555218 *Oct 4, 1983Nov 26, 1985Jonsson PumpkonsultTurbo machine of the rotodynamic type
US4566854 *May 21, 1984Jan 28, 1986Slezak Ray JWind rotor
US4732350 *Nov 7, 1985Mar 22, 1988Lamont John SAircraft wheel rotation apparatus
US4808074 *Apr 10, 1987Feb 28, 1989Canadian Patents And Development Limited-Societe Canadienne Des Breyets Et D'exploitation LimiteeVertical axis wind turbines
US4832569 *Apr 9, 1987May 23, 1989Eirik SamuelsenGoverned vane wind turbine
US4993348 *Jan 13, 1989Feb 19, 1991Wald Leonard HApparatus for harvesting energy and other necessities of life at sea
US5054999 *Sep 21, 1988Oct 8, 1991Jonsson PumpkonsultFlow machine
US5269647 *Sep 22, 1989Dec 14, 1993Josef MoserWind-powered rotor
US5375324 *Jul 12, 1993Dec 27, 1994Flowind CorporationVertical axis wind turbine with pultruded blades
US5391926 *Apr 25, 1994Feb 21, 1995Staley; Frederick J.Wind turbine particularly suited for high-wind conditions
US5451137 *Apr 22, 1994Sep 19, 1995Northeastern UniversityUnidirectional helical reaction turbine operable under reversible fluid flow for power systems
US5451138 *Jan 11, 1994Sep 19, 1995Northeastern UniversityUnidirecional reaction turbine operable under reversible fluid from flow
US5499904 *Sep 29, 1994Mar 19, 1996Flowind CorporationVertical axis wind turbine with pultruded blades
US5577882 *Apr 11, 1995Nov 26, 1996Northeastern UniversityUnidirectional reaction turbine operable under reversible fluid flow
US5642984 *May 30, 1995Jul 1, 1997Northeastern UniversityHelical turbine assembly operable under multidirectional fluid flow for power and propulsion systems
US6023105 *Mar 24, 1997Feb 8, 2000Youssef; WasfiHybrid wind-hydro power plant
US6036443 *Feb 25, 1997Mar 14, 2000Northeastern UniversityHelical turbine assembly operable under multidirectional gas and water flow for power and propulsion systems
US6191496Dec 1, 1999Feb 20, 2001Dillyn M. ElderWind turbine system
US6293835Dec 5, 2000Sep 25, 2001Northeastern UniversitySystem for providing wind propulsion of a marine vessel using a helical turbine assembly
US6417578Jun 16, 1999Jul 9, 2002Prime Energy CorporationPower-transducer/conversion system and related methodology
US6448669Feb 20, 2001Sep 10, 2002Dillyn M. ElderWater power generation system
US6790007Sep 5, 2002Sep 14, 2004Mitch GingrasWind turbine structure
US6840738 *Apr 6, 2004Jan 11, 2005Marvin L. SwanbergFeathering turbine apparatus
US6864597Jan 13, 2000Mar 8, 2005Jonathan C RickerMultiaxis turbine
US6981839Mar 9, 2004Jan 3, 2006Leon FanWind powered turbine in a tunnel
US7132760Jul 29, 2003Nov 7, 2006Becker William SWind turbine device
US7329099Aug 23, 2005Feb 12, 2008Paul Harvey HartmanWind turbine and energy distribution system
US7335000May 3, 2005Feb 26, 2008Magenn Power, Inc.Systems and methods for tethered wind turbines
US7344353May 13, 2005Mar 18, 2008Arrowind CorporationHelical wind turbine
US7362004Sep 29, 2006Apr 22, 2008Becker William SWind turbine device
US7456514 *Apr 10, 2006Nov 25, 2008Verdant PowerKinetic hydropower generation from slow-moving water flows
US7471009Sep 16, 2002Dec 30, 2008Clean Current Power Systems Inc.Underwater ducted turbine
US7518259Mar 10, 2005Apr 14, 2009Current Power Sweden AbAssembly comprising a water turbine and a generator, the rotor of which is direct-connected to each one of the blades of the turbine
US7600963Oct 13, 2009Viryd Technologies Inc.Fluid energy converter
US7602077Oct 13, 2009Magenn Power, Inc.Systems and methods for tethered wind turbines
US7677862Dec 7, 2006Mar 16, 2010Boatner Bruce EVertical axis wind turbine with articulating rotor
US7686583Mar 30, 2010Siegel Aerodynamics, Inc.Cyclical wave energy converter
US7762776 *Jul 27, 2010Siegel Aerodynamics, Inc.Vortex shedding cyclical propeller
US7775761Aug 17, 2010Magenn Power, Inc.Systems and methods for tethered wind turbines
US7791214Sep 7, 2010Adaptide, Inc.Adaptive tidal current power extraction device
US7849596Dec 14, 2010Ocean Renewable Power Company, LlcHigh efficiency turbine and method of making the same
US7859126Sep 10, 2009Dec 28, 2010Magenn Power, Inc.Systems and methods for tethered wind turbines
US7874788Feb 24, 2005Jan 25, 2011Clean Current Limited PartnershipFlow enhancement for underwater turbine
US7902687Mar 8, 2011Ocean Renewable Power Company, LlcSubmersible turbine-generator unit for ocean and tidal currents
US7948110 *Feb 13, 2007May 24, 2011Ken MorganWind-driven electricity generation device with Savonius rotor
US7959411 *Jun 14, 2011Northwest Pipe CompanyIn-pipe hydro-electric power system and turbine
US7967569 *Jun 28, 2011Yan QiangVertical shaft wind turbine and method of installing blades therein
US8022567Sep 20, 2011Clean Current Limited PartnershipUnderwater ducted turbine
US8061993Nov 22, 2011Seab Energy Ltd.Vertical axis turbine
US8084881 *Dec 27, 2011Helix Wind, IncorporatedWind-driven electricity generation device with segmented rotor
US8096750Mar 30, 2009Jan 17, 2012Ocean Renewable Power Company, LlcHigh efficiency turbine and method of generating power
US8100650Jan 24, 2012Atargis Energy CorporationCyclical wave energy converter
US8118538Sep 11, 2008Feb 21, 2012Floating Windfarms CorporationOffshore vertical-axis wind turbine and associated systems and methods
US8148838Nov 16, 2010Apr 3, 2012Magenn Power, Inc.Systems and methods for tethered wind turbines
US8164210Apr 24, 2012Boone Daniel NVertical axis wind turbine with angled braces
US8167533 *Apr 30, 2010May 1, 2012The Green Electric CompanyWind energy system
US8193657Apr 15, 2009Jun 5, 2012Michael A. PaluszekVertical axis wind turbine using individual blade pitch and camber control integrated with matrix converter
US8257018Jan 14, 2011Sep 4, 2012Coffey Daniel PWind energy conversion devices
US8322035Dec 4, 2012Yan QiangVertical axis wind turbine and method of installing blades therein
US8393853Nov 19, 2007Mar 12, 2013Ocean Renewable Power Company, LlcHigh efficiency turbine and method of generating power
US8412391Apr 2, 2013Princeton Satelitte SystemsProximity spacecraft maneuvering
US8522435Nov 22, 2011Sep 3, 2013Seab Energy Ltd.Method of making a turbine
US8525363Jul 27, 2011Sep 3, 2013Dlz CorporationHorizontal-axis hydrokinetic water turbine system
US8564148 *May 11, 2011Oct 22, 2013John J. NovakAC energy generator
US8602718Aug 8, 2008Dec 10, 2013Art Turbine Inc.Transverse-axis turbine with twisted foils
US8678768Aug 28, 2013Mar 25, 2014Seab Energy Ltd.Vertical axis turbine
US8740544Jul 22, 2010Jun 3, 2014The Power Collective LtdWind turbine assembly with flow regulator
US8779616 *Nov 25, 2011Jul 15, 2014Ken MorganWind-driven electricity generation device with segmented rotor
US8786122Jul 29, 2013Jul 22, 2014Dlz CorporationHorizontal-axis hydrokinetic water turbine system with water pump
US8823199Nov 25, 2011Sep 2, 2014Rupert Stephen Tull de SalisFluid driven turbine
US8836156Jan 11, 2013Sep 16, 2014Richard Alan NeifeldFluid flow energy converter
US8864440May 27, 2011Oct 21, 2014Sauer Energy, Incc.Wind sail turbine
US8905704Jan 24, 2012Dec 9, 2014Sauer Energy, Inc.Wind sail turbine
US8939708 *May 28, 2010Jan 27, 2015Northeastern UniversityUniversal spherical turbine with skewed axis of rotation
US8985948Feb 21, 2012Mar 24, 2015Clean Green Energy LLCFluid driven vertical axis turbine
US9000604Apr 29, 2011Apr 7, 2015Clean Current Limited PartnershipUnidirectional hydro turbine with enhanced duct, blades and generator
US9041239Sep 13, 2013May 26, 2015Martin EpsteinVertical axis wind turbine with cambered airfoil blades
US9169828 *Jun 9, 2012Oct 27, 2015Stefano ManganoMethod and device for electrical power generation from wind power and method of manufacture thereof
US9303622 *Jun 4, 2009Apr 5, 2016Design Licensing International Pty LtdWind turbine apparatus
US9303624Aug 29, 2014Apr 5, 2016Richard NeifeldFluid flow energy converter
US9328717Apr 19, 2010May 3, 2016James A. WalkerGolden ratio axial flow apparatus
US20030042743 *Sep 5, 2002Mar 6, 2003Mitch GingrasWind turbine structure
US20030049971 *Sep 3, 2002Mar 13, 2003Mercader Marti PaletElectric connection system between modules for protecting electric distribution circuits
US20040061337 *Jul 29, 2003Apr 1, 2004Becker William S.Wind turbine device
US20050207890 *May 6, 2005Sep 22, 2005Mitsubishi Heavy Industries, Ltd.Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof
US20050230980 *Apr 15, 2004Oct 20, 2005Andre BrunetWind turbine mounted on power transmission tower
US20050285407 *Sep 16, 2002Dec 29, 2005Davis Barry VHydro turbine generator
US20060251505 *May 3, 2005Nov 9, 2006Ferguson Frederick DSystems and methods for tethered wind turbines
US20060257240 *May 13, 2005Nov 16, 2006Naskali Pertti HHelical wind turbine
US20070036650 *Aug 12, 2006Feb 15, 2007Billy LauRotor and system
US20070048137 *Aug 23, 2005Mar 1, 2007Hartman Paul HWind turbine and energy distribution system
US20070063520 *Apr 10, 2006Mar 22, 2007Verdant PowerKinetic hydropower generation from slow-moving water flows
US20070134094 *Dec 8, 2005Jun 14, 2007Stephen GregoryRotor apparatus and turbine system incorporating same
US20070164570 *Mar 10, 2005Jul 19, 2007Mats LeijonAssembly comprising a water turbine and a generator, the rotor of which is direct-connected to each one of the blades of the turbine
US20070215747 *Mar 14, 2006Sep 20, 2007Siegel Aerodynamics, Inc.Vortex shedding cyclical propeller
US20070269311 *May 3, 2007Nov 22, 2007Raymond BrowningWind turbine and support structure and method of controlling the rotational speed of such wind turbine
US20070284884 *Feb 24, 2005Dec 13, 2007Clean Current Power Systems IncorporatedFlow Enhancement For Underwater Turbine
US20080008587 *Jul 10, 2006Jan 10, 2008Siegel Aerodynamics, Inc.Cyclical wave energy converter
US20080084067 *Sep 19, 2007Apr 10, 2008Hill Edward AAdaptive Tidal Current Power Extraction Device
US20080095608 *Dec 7, 2006Apr 24, 2008Boatner Bruce EVertical axis wind turbine with articulating rotor
US20080181773 *Jan 25, 2008Jul 31, 2008Ferguson Frederick DSystems and methods for tethered wind turbines
US20080191487 *Feb 13, 2007Aug 14, 2008New Earth, LlcWind-driven electricity generation device with savonius rotor
US20080217925 *May 8, 2008Sep 11, 2008Boone Daniel NVertical axis wind turbine with angled braces
US20080256795 *Aug 30, 2007Oct 23, 2008Windterra Systems Inc.Wind turbine blade having curved camber and method of manufacturing same
US20080273974 *Feb 19, 2008Nov 6, 2008Becker William SWind turbine device
US20080296905 *Jul 15, 2008Dec 4, 2008Ferguson Frederick DSystems and methods for tethered wind turbines
US20090016892 *Sep 22, 2008Jan 15, 2009Yan QiangVertical shaft wind turbine and method of installing blades therein
US20090072544 *Sep 11, 2008Mar 19, 2009Floating Windfarms CorporationOffshore Vertical-Axis Wind Turbine and Associated Systems and Methods
US20090100676 *Dec 22, 2008Apr 23, 2009Yan QiangVertical axis wind turbine and method of installing blades therein
US20090126544 *Nov 19, 2007May 21, 2009Sauer Christopher RHigh efficiency turbine and method of making the same
US20090129928 *Nov 19, 2007May 21, 2009Sauer Christopher RHigh efficiency turbine and method of generating power
US20090132105 *Aug 18, 2008May 21, 2009Princeton Satellite Systems, Inc.Proximity Spacecraft Maneuvering
US20090243300 *Dec 4, 2008Oct 1, 2009Clean Current Power Systems Inc.Underwater ducted turbine
US20090261595 *Apr 17, 2008Oct 22, 2009Hao-Wei PooApparatus for generating electric power using wind energy
US20090285668 *Nov 7, 2008Nov 19, 2009Labrecque David RRotating flexible wing power system
US20090304512 *Jun 4, 2009Dec 10, 2009Design Licensing International Pty LtdWind turbine apparatus
US20090309365 *Dec 17, 2009Sauer Christopher RSubmersible turbine-generator unit for ocean and tidal currents
US20100007148 *May 22, 2009Jan 14, 2010Clean Current Power Systems Inc.Underwater ducted turbine
US20100014973 *Jul 19, 2008Jan 21, 2010Carlos Manuel Perez RomoVertical Axis Fluid Flow Turbine System
US20100032963 *Sep 10, 2009Feb 11, 2010Ferguson Frederick DSystems and methods for tethered wind turbines
US20100090469 *Oct 10, 2008Apr 15, 2010Sullivan Shaun EPower-Generator Fan Apparatus, Duct Assembly, Building Construction, and Methods of Use
US20100096854 *Apr 15, 2009Apr 22, 2010Princeton Satellite Systems, Inc.Vertical axis wind turbine using individual blade pitch and camber control integrated with matrix converter
US20100140947 *Mar 30, 2009Jun 10, 2010Mcentee JarlathHigh efficiency turbine and method of generating power
US20100150716 *Feb 23, 2010Jun 17, 2010Siegel Stefan GuentherCyclical wave energy converter
US20100158697 *Dec 21, 2009Jun 24, 2010Higher Dimension Materials, Inc.Multi-rotor vertical axis wind turbine
US20100180414 *Jul 22, 2010Great Wind Enterprises, Inc.Internal hinge vertical axis wind turbine erection method
US20100202869 *Mar 6, 2008Aug 12, 2010Saint Louis UniversityHubless windmill
US20100253081 *Apr 7, 2009Oct 7, 2010Schlabach Roderic AIn-pipe hydro-electric power system and turbine
US20100253083 *Mar 19, 2010Oct 7, 2010Nothwest Pipe CompanyIn-pipe hydro-electric power system, turbine and improvement
US20100278653 *Nov 4, 2010Sassow Nicolas WVertical axis turbine and method of making same
US20110027084 *Jul 29, 2010Feb 3, 2011Andrew RekretNovel turbine and blades
US20110027087 *Aug 8, 2008Feb 3, 2011Art Turbine Inc.Transverse-Axis Turbine With Twisted Foils
US20110103942 *Apr 30, 2010May 5, 2011The Green Electric Company, Inc.Wind energy system
US20110115228 *May 19, 2011Clean Current Limited PartnershipFlow enhancement for underwater turbine generator
US20110121580 *May 26, 2011Ken MorganWind-driven electricity generation device with segmented rotor
US20110176919 *Jul 21, 2011Coffey Daniel PWind Energy Conversion Devices
US20110182733 *Jul 28, 2011Jon Jay HowardSquare Rigged Sail Wind Turbine
US20120068467 *Nov 25, 2011Mar 22, 2012Ken MorganWind-driven electricity generation device with segmented rotor
US20120070294 *May 28, 2010Mar 22, 2012Gorlov Alexander MUniversal spherical turbine with skewed axis of rotation
US20120189428 *Feb 10, 2010Jul 26, 2012Comet - S.R.L.Wind turbine
US20130045080 *Apr 18, 2011Feb 21, 2013Brian Kinloch KirkeCross flow wind or hydrokinetic turbines
US20130156585 *Jun 9, 2012Jun 20, 2013Stefano ManganoMethod and device for electrical power generation from wind power and method of manufacture thereof
US20150044055 *Oct 27, 2014Feb 12, 2015Earl McCuneWind turbine having flow-aligned blades
DE102008007534A1Feb 1, 2008Aug 6, 2009Glushko, Viktor, Dr.Wind-wheel for converting wind to power has swiveling axles fastened on a vertical axle so as to support sails/vanes linked to swivel and limiting device for the position of the vanes/sails
DE102008012927A1Mar 4, 2008Sep 17, 2009Glushko, Viktor, Dr.Windmill for wind energy conversion system, has blade orientation system including limitation stoppers that are engaged at support structure and support swinging blade, where large part of blade is adjusted in direction after central shaft
DE102010011708A1Mar 15, 2010Sep 15, 2011Rudolf HuttaryTurbine mit passiver Schaufelverstellung
DE102010011708B4 *Mar 15, 2010Mar 1, 2012Rudolf HuttaryStrömungsmaschine mit passiver Laufschaufelverstellung
DE202008002068U1Feb 12, 2008Jul 17, 2008Glushko, Viktor, Dr.Windrad mit einer Vertikalachse
DE202008003735U1Mar 13, 2008Jun 19, 2008Glushko, Viktor, Dr.Windrad mit einer vertikalen Zentralwelle
EP0021790A1 *Jun 18, 1980Jan 7, 1981Frederick Charles EvansVertical-axis windmills and turbines
EP0364020A1 *Sep 22, 1989Apr 18, 1990Josef MoserRotor for a wind motor
EP1835173A2Feb 20, 2007Sep 19, 2007Siegel Aerodynamics, Inc.Vortex shedding cyclical propeller
EP2226498A1 *Dec 4, 2007Sep 8, 2010Xinyi CaiA constant direction four quadrant lift type vertical shaft wind power generator
EP2226498A4 *Dec 4, 2007Jan 5, 2011Xinyi CaiA constant direction four quadrant lift type vertical shaft wind power generator
EP2314867A2 *Jul 31, 2009Apr 27, 2011Cygnus Power Co., LtdVertical shaft type darius windmill
EP2417350A2 *Mar 24, 2010Feb 15, 2012Lucid Energy, Inc.In-pipe hydro-electric power system and turbine
EP2541048A2Oct 10, 2011Jan 2, 2013Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Airfoil, wind rotor and wind rotor arrangement
EP2667024A1May 24, 2012Nov 27, 2013Alcatel LucentWind-solar-electricity generator with a horizontal levitation
EP2698532A1Aug 7, 2013Feb 19, 2014Wind Twentyone S.r.l.Vertical axis wind turbine and blade for vertical axis wind turbine
EP2740931A1Dec 6, 2013Jun 11, 2014Wind Twentyone S.r.l.Blade for vertical-axis wind turbine and vertical-axis wind turbine
EP3009671A1Oct 17, 2014Apr 20, 2016VanHoonacker, FrancisVertical wind turbine
WO1988010368A1 *Jun 24, 1988Dec 29, 1988Edward Jay SchrempMacro-engineering process for all-weather at-sea wind-energy extraction
WO1990004102A1 *Sep 22, 1989Apr 19, 1990Josef MoserWind-driven rotor
WO1994009272A1 *Oct 6, 1993Apr 28, 1994Applied Research & Technology LimitedCombined wind and wave power generator
WO1995002763A1 *Jul 1, 1994Jan 26, 1995Flowind CorporationVertical axis wind turbine with pultruded blades
WO1995018921A1 *Jan 11, 1995Jul 13, 1995Northeastern UniversityHigh-speed unidirectional reaction turbine
WO2000028210A1 *Nov 9, 1999May 18, 2000Aaron DavidsonGeneration of energy with fluid
WO2005088119A1 *Mar 10, 2005Sep 22, 2005Current Power Sweden AbAssembly comprising a water turbine and a generator, the rotor of which is direct-connected to each one of the blades of the turbine
WO2007133538A2 *May 8, 2007Nov 22, 2007Viryd Technologies Inc.Fluid energy converter
WO2008045662A2 *Sep 19, 2007Apr 17, 2008Adaptide, Inc.Adaptive tidal current power extraction device
WO2009050663A2Oct 16, 2008Apr 23, 2009Barcons Salvador DomenechDriving force generating device
WO2009068950A2 *Nov 10, 2008Jun 4, 2009Phi, TranCross fluid-flow axis turbine
WO2010071850A2Dec 18, 2009Jun 24, 2010Higher Dimension Materials, Inc.Multi-rotor vertical axis wind turbine
WO2010117621A2Mar 24, 2010Oct 14, 2010Northwest Pipe CompanyIn-pipe hydro-electric power system and turbine
WO2011010159A2Jul 22, 2010Jan 27, 2011The Power Collective LtdA generator
WO2011018651A2Aug 9, 2010Feb 17, 2011Cross-Flow Energy Company LimitedTurbine
WO2011113424A2Mar 11, 2011Sep 22, 2011Rudolf HuttaryTurbomachine having passive rotor blade adjustment
WO2011113424A3 *Mar 11, 2011Mar 1, 2012Rudolf HuttaryTurbomachine having passive rotor blade adjustment
WO2011130797A1 *Apr 18, 2011Oct 27, 2011Brian Kinloch KirkeImproved cross flow wind or hydrokinetic turbines
WO2012013722A2Jul 27, 2011Feb 2, 2012Mario KinellyRotor for a wind turbine
WO2012070984A1 *Sep 23, 2011May 31, 2012Vyacheslav Ivanovich ZlobinOrthogonal turbine
WO2012139583A1Apr 10, 2012Oct 18, 2012Compoenergy ApsDevice and system for harvesting the energy of a fluid stream
WO2013078015A2Nov 8, 2012May 30, 2013Clean Green Energy LLCFluid driven turbine
WO2013102223A1Dec 31, 2012Jul 4, 2013Samuels Davian AWind turbines and methods for capturing wind energy
WO2013102620A1 *Jan 4, 2013Jul 11, 2013Stock JuergenWind turbine
WO2013126272A1Feb 14, 2013Aug 29, 2013Clean Green Energy LLCFluid driven vertical axis turbine
WO2013136060A1Mar 12, 2013Sep 19, 2013The Power Collective LtdA wind turbine assembly
WO2014062457A1Oct 10, 2013Apr 24, 2014Symbol Technologies, Inc.Method and apparatus for stocking and/or restocking an item
WO2015071863A1Nov 14, 2014May 21, 2015Morbiato TommasoWind turbine
WO2015089526A1Dec 18, 2013Jun 25, 2015Pupuleku AltinCrossflow axes rotary mechanical devices with dynamic increased swept area
Classifications
U.S. Classification415/224, 415/125, 415/53.1, 416/227.00A, 416/178, 416/119, 416/111
International ClassificationF01D1/14, F03D3/06, F01D1/00, F03D3/04, F03D3/00
Cooperative ClassificationF01D1/14, F05B2240/212, Y02E10/74, F03B17/063, F05B2210/16, F03D3/0427, F03D3/065, Y02E10/28, F03D3/06, F03D3/04
European ClassificationF01D1/14, F03D3/04, F03D3/06, F03D3/04D, F03D3/06E4, F03B17/06C2