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US1352952A - Wind-motor - Google Patents

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Publication number
US1352952A
US1352952A US336665A US33666519A US1352952A US 1352952 A US1352952 A US 1352952A US 336665 A US336665 A US 336665A US 33666519 A US33666519 A US 33666519A US 1352952 A US1352952 A US 1352952A
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United States
Prior art keywords
motor
vanes
wind
vane
arms
Prior art date
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Expired - Lifetime
Application number
US336665A
Inventor
James G Gracey
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EMANUEL LONGMEYER
Original Assignee
EMANUEL LONGMEYER
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Application filed by EMANUEL LONGMEYER filed Critical EMANUEL LONGMEYER
Priority to US336665A priority Critical patent/US1352952A/en
Application granted granted Critical
Publication of US1352952A publication Critical patent/US1352952A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—Rotors characterised by their construction elements
    • F03D3/066—Rotors characterised by their construction elements the wind engaging parts being movable relative to the rotor
    • F03D3/067—Cyclic movements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/218—Rotors for wind turbines with vertical axis with horizontally hinged vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/221—Rotors for wind turbines with horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
    • F05B2240/312—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape capable of being reefed
    • F05B2240/3121—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape capable of being reefed around an axis orthogonal to rotor rotational axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/72—Adjusting of angle of incidence or attack of rotating blades by turning around an axis parallel to the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/30—Inorganic materials not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/60—Properties or characteristics given to material by treatment or manufacturing
    • F05B2280/6001—Fabrics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/60—Properties or characteristics given to material by treatment or manufacturing
    • F05B2280/6001—Fabrics
    • F05B2280/6002—Woven fabrics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/02—Fabric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/02—Fabric
    • F05C2253/025—Fabric woven
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Definitions

  • JAMES Gr. GRACEY ST. LOUIS
  • MISSOURI ASSGNOR OF ONE-FOURTH T0 EMANUEL LONGLVIEYEB, 0F ST. LOUIS, 'MISSOURL f I f WIND-Moron.
  • T his invention relates to improvements in a wind motor and has for its object a central pivotally mounted sta on which is axially mounted a plurality of cross arms to which is attached balance vanes against which the winds contact for placing the motor in rotation.v
  • a further object of my invention is to construct a motor having a plurality of balance vanes so arranged that when one of the vanes is placed in operation by the aircurrents the opposite vane is automatically placed on approximately a horizontal plane thereby feathering the' air so as to avoid counter action to the movement of the motor, these vanes being supported on shafts axially mounted in a center pivotal stand#
  • the invention is especially adaptable for ornamental and advertising urposes.
  • vanes may be constructed of ags or banners'A or may consist of metallic sheets on which may be painted or otherwise imprinted some advertisement.
  • the device is adaptable to be made of small construction so as to be placed on the radiator cap of an automobile so that during the movement of the machine the motor is placed in operation and in such event the vanes may be of flags and the weights by which the vanes are balanced may be of some ornamental design such as an eagle or the like and on the top of the pivotal support may be likewise some ornamented device or insignia which may be found most appropriate and adaptable.
  • Figure 1 is a side view of my invention.
  • F 1g. 6 is a detail cross sectional View of one of the vane frames showing its structure.
  • the center post 7 likewise acts asz a bearing blocl; for the. support of rods 11 and 12 and said rods are held from side shifting by means of a collar block 13 placed over the shaft and located on the vinside of the post.
  • the rods '11 and 12 are connected to blocks 18 which act as a support for the vanes 141 and to theopposite side of the block is ate tached a short rod 15 provided with an ornamental end piece 16.
  • and 12 and theshort rods 15 are placed tubes 17 which likewise yassist inl preventing thevanes from side shifting O11 the rods.
  • the blocks 13v are attachedthevanes which weight, and whichis of a weight suiicient to properly counter balance the weight of the frame and the body portion 22 fastened within the frame; so that during the rotation of the motor when one of the vanes is placed approximately in vertical position by the air currents the opposite is automatically Patented Sept. 14, 1920.
  • the body portion 22 may be in the form of a fabric such as a flag as that shown in Fig. 1, or it may be of a plain piece of material on which may be imprinted some advertising matter, or it may be a strip or sheet of metal. This material is governed Y entirely upon the purpose on which the motor is to be used.
  • vanes by means of their supporting bolts 19 Will permit the same to be turned edgewise to the Wind.
  • the attaching' vanes acting as a swivel, this'action is necessary whenever it is desired to stop the motor or place it out of operation in other Words, the vanes may be turned by hand placing the same in the position at right angles to its operative position.
  • a plurality of projecting ⁇ arms 23 which are in a vertical as Well as horizontal alinement with the motor rods and these arms act as a stop for the vertical movement of the vanes so that in the event of a severe gale the vanes would not be placed in a circular movement on its Own axis.
  • these arms are not necessary because the ordinary tendency.
  • FIG. 5 of the drawing which is a modified form of a vane I show in this instance a spring roller mounted in the framev to which roller the body portion 22 is fastened and the spring rollers have bearing inthe frame at the points indicated by the numeral 24, and this structure is used forl the purposeV that when it is ,desired to prevent the motor from operating these vanes are rolled up on its frame so as to prevent a Wind contact.
  • I construct the frame preferably out of Wire bending it at the center into an eye 25 through which the bolt 19 is passed for clamping the vane tightly to the block 13.
  • This style ofmotor may be suspended instead of being mounted on the base, the suspended feature being adaptable for indoors so that the flags Will act as the vanes are placed in movement by the draft.
  • the device is very unique when used as an auto'- mobile ornament and the same may be planted on lawns for decorative purposes.
  • the device is simple yet effective and operative in every particular and the same canY arms axially mounted in said stand, vane supporting blocks carried by said arms, a vane supporting frame sWivelly attached to said blocks, a bolt supporting the vane frame to said block, a counter' balance Weight attached to the end of said bolts and a body member supported in the vane frames to act as a sail with which the wind contacts, substantially as specified.
  • a Wind motor comprising a plurality of axially mounted arms, a center support for said arms, vane supporting' blocks rigidly attached to said arms, vane frames swivelly attached to. said blocks, the posi'- tion of the vanes on theV blocks being so arranged that when one is vertical the opposite vane is horizontal, counter balance' weights attached to the vane supporting blocks, said vane being adapted to be turned edgeWise to the Wind for stopping the movement of the motor, substantially as Vspecified.
  • litnesses ALFRED A. EIcKs, B. AUs'rrNE.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Description

1. G. GRACEY. WIND MOTOR.
APPLICAIION FILED NOV. 8, 1919. 1,352,952. Patentedept. 14,1920.
2 SHEETS-SHEET l.
fx1/@Mr j@ 9 m7 a 7 Z 9 j,
1v. GI. GRACEY. WIND MOTOR.
APPLICATION FILED NOV- 8 19,19-
Patented Sept. 14,1920.
ard.
rr e s r .e r-
JAMES Gr. GRACEY, ST. LOUIS, MISSOURI, ASSGNOR OF ONE-FOURTH T0 EMANUEL LONGLVIEYEB, 0F ST. LOUIS, 'MISSOURL f I f WIND-Moron.
Speccaton of Letters Patent.
Application inea November s, 1919. p serial no. 336,665.
To au whom it may Concern.'
Be it known that l, JAMES Gr. Grecav, a citizen of the United States, and resident of St. Louis, State of Missouri, have invented certain new and useful Improvements in find-Motors, of which the following is a specification.
T his invention relates to improvements in a wind motor and has for its object a central pivotally mounted sta on which is axially mounted a plurality of cross arms to which is attached balance vanes against which the winds contact for placing the motor in rotation.v
A further object of my invention is to construct a motor having a plurality of balance vanes so arranged that when one of the vanes is placed in operation by the aircurrents the opposite vane is automatically placed on approximately a horizontal plane thereby feathering the' air so as to avoid counter action to the movement of the motor, these vanes being supported on shafts axially mounted in a center pivotal stand# The invention is especially adaptable for ornamental and advertising urposes. The
vanes may be constructed of ags or banners'A or may consist of metallic sheets on which may be painted or otherwise imprinted some advertisement. n
The device is adaptable to be made of small construction so as to be placed on the radiator cap of an automobile so that during the movement of the machine the motor is placed in operation and in such event the vanes may be of flags and the weights by which the vanes are balanced may be of some ornamental design such as an eagle or the like and on the top of the pivotal support may be likewise some ornamented device or insignia which may be found most appropriate and adaptable.
Figure 1, is a side view of my invention.
be rolled up when it is desired thaty the motor should not operate.
F 1g. 6, is a detail cross sectional View of one of the vane frames showing its structure.
ln the general construction of my invention and in referring to the drawings in detail 7 indicates a center post which is preferably of hollow construction. The same is connected to the base block 8 and projecting from the block is a pivot staff 9 which staff may be supported in any desirable manner to the device on which the motor is carried and is so arranged as to permit the mechanism to rotate. l
'On the top of the post 7 isplaced a head 10 which may be of any ornamental design, and in the top of the head may be supported astaff of an ornamented flag. l 'I The center post 7 likewise acts asz a bearing blocl; for the. support of rods 11 and 12 and said rods are held from side shifting by means of a collar block 13 placed over the shaft and located on the vinside of the post. The rods '11 and 12 are connected to blocks 18 which act as a support for the vanes 141 and to theopposite side of the block is ate tached a short rod 15 provided with an ornamental end piece 16. and 12 and theshort rods 15 are placed tubes 17 which likewise yassist inl preventing thevanes from side shifting O11 the rods. yTo
the blocks 13v are attachedthevanes which weight, and whichis of a weight suiicient to properly counter balance the weight of the frame and the body portion 22 fastened within the frame; so that during the rotation of the motor when one of the vanes is placed approximately in vertical position by the air currents the opposite is automatically Patented Sept. 14, 1920.
Over the rods 11v turned to approximately a horizontal ori feathering position thus relieving as much friction as possible and thereby permitting the motor tomove quite rapidly.
The body portion 22 may be in the form of a fabric such as a flag as that shown in Fig. 1, or it may be of a plain piece of material on which may be imprinted some advertising matter, or it may be a strip or sheet of metal. This material is governed Y entirely upon the purpose on which the motor is to be used.
The vanes by means of their supporting bolts 19 Will permit the same to be turned edgewise to the Wind. The attaching' vanes acting as a swivel, this'action is necessary whenever it is desired to stop the motor or place it out of operation in other Words, the vanes may be turned by hand placing the same in the position at right angles to its operative position.
On the base portion 8 is attached a plurality of projecting` arms 23 which are in a vertical as Well as horizontal alinement with the motor rods and these arms act as a stop for the vertical movement of the vanes so that in the event of a severe gale the vanes would not be placed in a circular movement on its Own axis. However, these arms are not necessary because the ordinary tendency.
is that when the Wind is operating against one of the vanes the other holds it vertically onaccount of its feathering position and by means of the counter-balance Weight the movement of the vanes operate in proper unison.
By referring` to Fig. 5 of the drawing which is a modified form of a vane I show in this instance a spring roller mounted in the framev to which roller the body portion 22 is fastened and the spring rollers have bearing inthe frame at the points indicated by the numeral 24, and this structure is used forl the purposeV that when it is ,desired to prevent the motor from operating these vanes are rolled up on its frame so as to prevent a Wind contact. In this instance I construct the frame preferably out of Wire bending it at the center into an eye 25 through which the bolt 19 is passed for clamping the vane tightly to the block 13.
This style ofmotor may be suspended instead of being mounted on the base, the suspended feature being adaptable for indoors so that the flags Will act as the vanes are placed in movement by the draft. The device is very unique when used as an auto'- mobile ornament and the same may be planted on lawns for decorative purposes.
The device is simple yet effective and operative in every particular and the same canY arms axially mounted in said stand, vane supporting blocks carried by said arms, a vane supporting frame sWivelly attached to said blocks, a bolt supporting the vane frame to said block, a counter' balance Weight attached to the end of said bolts and a body member supported in the vane frames to act as a sail with which the wind contacts, substantially as specified.
3. A Wind motor comprising a plurality of axially mounted arms, a center support for said arms, vane supporting' blocks rigidly attached to said arms, vane frames swivelly attached to. said blocks, the posi'- tion of the vanes on theV blocks being so arranged that when one is vertical the opposite vane is horizontal, counter balance' weights attached to the vane supporting blocks, said vane being adapted to be turned edgeWise to the Wind for stopping the movement of the motor, substantially as Vspecified.
i Invtestimony Whereof,.I have signed my name to this speciiicatiomin presence of two subscribing Witnesses. p 3 Y JAMES G. GRACEY.`
litnesses ALFRED A. EIcKs, B. AUs'rrNE.
US336665A 1919-11-08 1919-11-08 Wind-motor Expired - Lifetime US1352952A (en)

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365935A (en) * 1979-12-12 1982-12-28 Chousei Zukeran Wind-driven prime mover
DE3223859A1 (en) * 1982-01-07 1983-07-14 Anton Calgary Alberta Gasafi Wind-power machine
FR2574489A1 (en) * 1984-12-06 1986-06-13 Jegouic Jean Wind power engine, the collectors of which, connected to the same shaft, are mounted on a rotary support
US4681512A (en) * 1986-06-06 1987-07-21 Barnard Maxwell K Self-fairing windmill vane
US4818180A (en) * 1988-02-29 1989-04-04 Liu Hsun Fa Vertical-axle wind turbine
US5083902A (en) * 1986-12-18 1992-01-28 Rhodes Winfred A Reverting wind wheel
DE4430494A1 (en) * 1994-08-27 1995-03-09 Helmut Stefan Wind power station (wind farm, wind park) (wind flap drive (transmission, gear))
US5525037A (en) * 1993-12-17 1996-06-11 Cummings; John Overlapping sail wind turbine
US20080304965A1 (en) * 2006-11-16 2008-12-11 George Syrovy Oscillating windmill
US20100209250A1 (en) * 2009-02-18 2010-08-19 Deeley Peter G R Opposed tilting blade, vertical axis wind turbine power generator
US20100232960A1 (en) * 2009-03-13 2010-09-16 Christopher Larsen Variable geometry turbine
US20100266383A1 (en) * 2009-04-21 2010-10-21 Kojo White Balanced sail wind turbine
US20110091322A1 (en) * 2009-02-18 2011-04-21 Deeley Peter G R Opposed tilting blade, vertical axis wind turbine power generator
US20120045332A1 (en) * 2009-03-09 2012-02-23 Windjoule Ltd Vertical axis wind turbine
US20160186721A1 (en) * 2014-12-25 2016-06-30 Kuo-Chang Huang Wind turbine blade assembly
US10408193B2 (en) * 2014-12-17 2019-09-10 Ubaldo BERNARDI System with orbiting axis for converting energy
US20240125239A1 (en) * 2022-09-18 2024-04-18 Flower Turbines, Inc. Sleeves for turbine shafts
US12012928B2 (en) * 2022-05-23 2024-06-18 Tracy Omdahl Hurricane vertical-axis wind turbines
JP7542789B1 (en) 2024-02-13 2024-09-02 パナテックス株式会社 Power generation equipment
US12126176B2 (en) 2022-08-28 2024-10-22 Flower Turbines, Inc. Step gradations for a charge controller of a fluid turbine

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365935A (en) * 1979-12-12 1982-12-28 Chousei Zukeran Wind-driven prime mover
DE3223859A1 (en) * 1982-01-07 1983-07-14 Anton Calgary Alberta Gasafi Wind-power machine
FR2574489A1 (en) * 1984-12-06 1986-06-13 Jegouic Jean Wind power engine, the collectors of which, connected to the same shaft, are mounted on a rotary support
US4681512A (en) * 1986-06-06 1987-07-21 Barnard Maxwell K Self-fairing windmill vane
US5083902A (en) * 1986-12-18 1992-01-28 Rhodes Winfred A Reverting wind wheel
US4818180A (en) * 1988-02-29 1989-04-04 Liu Hsun Fa Vertical-axle wind turbine
US5525037A (en) * 1993-12-17 1996-06-11 Cummings; John Overlapping sail wind turbine
DE4430494A1 (en) * 1994-08-27 1995-03-09 Helmut Stefan Wind power station (wind farm, wind park) (wind flap drive (transmission, gear))
US20080304965A1 (en) * 2006-11-16 2008-12-11 George Syrovy Oscillating windmill
US8206106B2 (en) 2006-11-16 2012-06-26 Windflo, Llc Oscillating windmill
US20110091322A1 (en) * 2009-02-18 2011-04-21 Deeley Peter G R Opposed tilting blade, vertical axis wind turbine power generator
US20100209250A1 (en) * 2009-02-18 2010-08-19 Deeley Peter G R Opposed tilting blade, vertical axis wind turbine power generator
US8382435B2 (en) 2009-02-18 2013-02-26 Peter G. R. Deeley Opposed tilting blade, vertical axis wind turbine power generator
US8696313B2 (en) 2009-02-18 2014-04-15 Peter G. R. Deeley Opposed tilting blade, vertical axis wind turbine power generator
US20120045332A1 (en) * 2009-03-09 2012-02-23 Windjoule Ltd Vertical axis wind turbine
US20100232960A1 (en) * 2009-03-13 2010-09-16 Christopher Larsen Variable geometry turbine
US20100266383A1 (en) * 2009-04-21 2010-10-21 Kojo White Balanced sail wind turbine
US10408193B2 (en) * 2014-12-17 2019-09-10 Ubaldo BERNARDI System with orbiting axis for converting energy
US20160186721A1 (en) * 2014-12-25 2016-06-30 Kuo-Chang Huang Wind turbine blade assembly
US10030629B2 (en) * 2014-12-25 2018-07-24 Kuo-Chang Huang Wind turbine blade assembly
US12012928B2 (en) * 2022-05-23 2024-06-18 Tracy Omdahl Hurricane vertical-axis wind turbines
US12126176B2 (en) 2022-08-28 2024-10-22 Flower Turbines, Inc. Step gradations for a charge controller of a fluid turbine
US20240125239A1 (en) * 2022-09-18 2024-04-18 Flower Turbines, Inc. Sleeves for turbine shafts
JP7542789B1 (en) 2024-02-13 2024-09-02 パナテックス株式会社 Power generation equipment

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