Turbine blades and systems with forward blowing slots

Zuteck, Michael D.; Zalusky, Leigh; Lees, Paul

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Title: Turbine blades and systems with forward blowing slots

Abstract

A blade for use in a wind turbine comprises a pressure side and suction side meeting at a trailing edge and leading edge. The pressure side and suction side provide lift to the turbine blade upon the flow of air from the leading edge to the trailing edge and over the pressure side and suction side. The blade includes one or more openings at the suction side, in some cases between the leading edge and the trailing edge. The one or more openings are configured to provide a pressurized fluid towards the leading edge of the blade, in some cases at an angle between about 0.degree. and 70.degree. with respect to an axis oriented from a centerline of the blade toward the leading edge.

Inventors:: Zuteck, Michael D.; Zalusky, Leigh; Lees, Paul

Issue Date:: 2015-09-15

Research Org.:: Kohana Technologies Inc., Richmond, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1215535

Patent Number(s):: 9133819

Application Number:: 13/400,014

Assignee:: Kohana Technologies Inc. (Richmond, CA)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F03 - MACHINES OR ENGINES FOR LIQUIDS F03D - WIND MOTORS

F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05B - INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY

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F - MECHANICAL ENGINEERING F03 - MACHINES OR ENGINES FOR LIQUIDS F03D - WIND MOTORS
F03D1/0675 - {of the blades}
F03D7/022 - {Adjusting aerodynamic properties of the blades}

F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05B - INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY
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
F05B2250/502 - Outlet

Y - NEW / CROSS SECTIONAL TECHNOLOGIES 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
Y02E10/72 - Wind turbines with rotation axis in wind direction

Show less

DOE Contract Number:: AR0000022

Resource Type:: Patent

Resource Relation:: Patent File Date: 2012 Feb 17

Country of Publication:: United States

Language:: English

Subject:: 17 WIND ENERGY

Citation Formats


                    Zuteck, Michael D., Zalusky, Leigh, and Lees, Paul. Turbine blades and systems with forward blowing slots.  United States: N. p., 2015. 
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                    Zuteck, Michael D., Zalusky, Leigh, & Lees, Paul. Turbine blades and systems with forward blowing slots.  United States.

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                    Zuteck, Michael D., Zalusky, Leigh, and Lees, Paul. Tue .  
        "Turbine blades and systems with forward blowing slots".  United States.  https://www.osti.gov/servlets/purl/1215535.

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@article{osti_1215535,

  title        = {Turbine blades and systems with forward blowing slots},

  author       = {Zuteck, Michael D. and Zalusky, Leigh and Lees, Paul},

  abstractNote = {A blade for use in a wind turbine comprises a pressure side and suction side meeting at a trailing edge and leading edge. The pressure side and suction side provide lift to the turbine blade upon the flow of air from the leading edge to the trailing edge and over the pressure side and suction side. The blade includes one or more openings at the suction side, in some cases between the leading edge and the trailing edge. The one or more openings are configured to provide a pressurized fluid towards the leading edge of the blade, in some cases at an angle between about 0.degree. and 70.degree. with respect to an axis oriented from a centerline of the blade toward the leading edge.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2015},

  month        = {9}

}

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Patent Smed, Jan P [Winter Springs, FL]; Lemieux, Dennis H [Casselberry, FL]; Williams, James P [Orlando, FL]

An inspection system formed at least from a viewing tube for inspecting aspects of a turbine engine during operation of the turbine engine. An outer housing of the viewing tube may be positioned within a turbine engine using at least one bearing configured to fit into an indentation of a support housing to form a ball and socket joint enabling the viewing tube to move during operation as a result of vibrations and other movements. The viewing tube may also include one or more lenses positioned within the viewing tube for viewing the turbine components. The lenses may be keptmore » « less
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Base excitation testing system using spring elements to pivotally mount wind turbine blades

Patent Cotrell, Jason; Hughes, Scott; Butterfield, Sandy; ...

A system (1100) for fatigue testing wind turbine blades (1102) through forced or resonant excitation of the base (1104) of a blade (1102). The system (1100) includes a test stand (1112) and a restoring spring assembly (1120) mounted on the test stand (1112). The restoring spring assembly (1120) includes a primary spring element (1124) that extends outward from the test stand (1112) to a blade mounting plate (1130) configured to receive a base (1104) of blade (1102). During fatigue testing, a supported base (1104) of a blad (1102) may be pivotally mounted to the test stand (1112) via the restoringmore » « less
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Title: Turbine blades and systems with forward blowing slots

Abstract

Citation Formats

Rotary Wing Aircraft patent, March 1949

Aircraft patent, July 1963

Helicopter Rotor patent, October 1967

Propellers patent, August 1970

Dual Purpose Circulation Control Airfoil patent, August 1974

Air driven propeller patent, April 1980

Fluid-driven turbine with speed regulation patent, February 1982

Mono-element combined supercritical high lift airfoil patent, June 1983

Mono-element combined supercritical high lift airfoil patent, July 1984

Wind turbine blade joint assembly and method of making wind turbine blades patent, October 1984

Jet spoiler arrangement for wind turbine patent, March 1985

Pneumatic valve control for circulation control aircraft patent, March 1985

Wind turbine rotor patent, December 1985

Helicopter rotor blade control patent, January 1989

Wind-turbine wing with a pneumatically actuated spoiler patent, April 1992

Airfoil having multi-passage baffle patent, May 1993

Variable pitch propeller for use in conjunction with a vertical axis wind turbine patent, October 1993

Consolidated member and method and preform for making patent, April 1994

Pin and roller attachment system for ceramic blades patent, July 1995

Circulation control aerofoils patent, June 1996

Apparatus and method for aerodynamic blowing control using smart materials patent, August 1998

Active blowing system for rotorcraft vortex interaction noise reduction patent, September 1998

Pneumatic aerodynamic force-augmentation, control and drag-reduction devices for racing cars and high-performance sports cars patent, January 1999

Pneumatic aerodynamic control and drag-reduction system for ground vehicles patent, June 1999

Vehicular boundary layer control system and method patent, May 2000

Windmill structures and systems patent, October 2000

Apparatus and method for aerodynamic blowing control using smart materials patent, November 2000

Turbine blade trailing edge cooling openings and slots patent, January 2001

Apparatus and methods for turbine blade cooling patent, January 2001

Vehicle heat exchanger system and method for a vehicle that augments and modifies aerodynamic forces patent, January 2001

Centrifugal air flow control patent, March 2001

Oscillating air jets for reducing HSI noise patent, May 2001

Striated cooling hole patent, July 2001

Streamlined bodies with counter-flow fluid injection patent, January 2002

Turbine airfoil for gas turbine engine patent, April 2003

Foil formed structure for turbine airfoil trailing edge patent, April 2003

Turbine airfoil for gas turbine engine patent, August 2003

Turbine airfoil for gas turbine engine patent, April 2004

Method and device for altering the separation characteristics of air-flow over an aerodynamic surface via intermittent suction patent, March 2005

System and method for converting wind into mechanical energy patent, June 2005

Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid patent, August 2005

Advanced aerodynamic control system for a high output wind turbine patent, September 2005

Ceramic matrix composite airfoil trailing edge arrangement patent, June 2006

Channel-wing system for thrust deflection and force/moment generation patent, September 2006

System and method for converting wind into mechanical energy patent, April 2007

Methods and apparatus for deicing airfoils or rotor blades patent, May 2007

Louvered horizontal wind turbine patent, January 2008

Wind turbine rotor blade with in-plane sweep and devices using same, and methods for making same patent, March 2008

Blade for a rotor of a wind energy turbine patent, April 2008

Active flow modifications on wind turbine blades patent, June 2008

Methods and apparatus for cooling turbine blade trailing edges patent, June 2008

System and method for converting wind into mechanical energy for a building and the like patent, February 2010

Cooled rotor blade patent, February 2010

Circulation controlled airfoil patent, May 2010

Refractory component with ceramic matrix composite skeleton patent, August 2010

Reinforced airfoils patent, December 2010

Active flow control system for wind turbine patent, February 2011

Turbine energy generating system patent-application, August 2006

Active flow control for wind turbine blades patent-application, October 2007

Wind turbine blade with deflectable flaps patent-application, January 2009

Wind Turbine Blade with Variable Aerodynamic Profile patent-application, March 2009

Vertical axis wind turbines with blades for redirecting airflow patent-application, August 2009

Blade for a Wind Turbine Rotor patent-application, November 2009

Wind Turbine Blade with Lift-Regulating Means in Form of Slots of Holes patent-application, January 2010

Active Curcilation Control of Aerodynamic Structures patent-application, April 2010

Wind Turbine & Wind Turbine Blade patent-application, May 2010

Active Flow Control System for Wind Turbine patent-application, June 2010

Flatback Insert for Turbine Blades patent-application, June 2010

Repair of Rotor Blade Roots patent-application, June 2010

Blade for a Rotor of a Wind Turbine Provided with Barrier Generating Means patent-application, August 2010

Turbine Energy Generating System patent-application, August 2010

Wind Turbine with Boundary Layer Control patent-application, October 2010

Shell Structure of Wind Turbine Blade Having Regions of Low Shear Modulus patent-application, November 2010

Interlocked CMC Airfoil patent-application, December 2010

Wind Turbine and Rotor Blade with Reduced Load Fluctuations patent-application, January 2011

System and Method of Assembling an Air Distribution System for Use in a Rotor Blade of a Wind Turbine patent-application, May 2011

Wind Turbine Blades with Controlled Active Flow and Vortex Elements patent-application, June 2011

Rotary Wing Aircraft
patent, March 1949

Aircraft
patent, July 1963

Helicopter Rotor
patent, October 1967

Propellers
patent, August 1970

Dual Purpose Circulation Control Airfoil
patent, August 1974

Air driven propeller
patent, April 1980

Fluid-driven turbine with speed regulation
patent, February 1982

Mono-element combined supercritical high lift airfoil
patent, June 1983

Mono-element combined supercritical high lift airfoil
patent, July 1984

Wind turbine blade joint assembly and method of making wind turbine blades
patent, October 1984

Jet spoiler arrangement for wind turbine
patent, March 1985

Pneumatic valve control for circulation control aircraft
patent, March 1985

Wind turbine rotor
patent, December 1985

Helicopter rotor blade control
patent, January 1989

Wind-turbine wing with a pneumatically actuated spoiler
patent, April 1992

Airfoil having multi-passage baffle
patent, May 1993

Variable pitch propeller for use in conjunction with a vertical axis wind turbine
patent, October 1993

Consolidated member and method and preform for making
patent, April 1994

Pin and roller attachment system for ceramic blades
patent, July 1995

Circulation control aerofoils
patent, June 1996

Apparatus and method for aerodynamic blowing control using smart materials
patent, August 1998

Active blowing system for rotorcraft vortex interaction noise reduction
patent, September 1998

Pneumatic aerodynamic force-augmentation, control and drag-reduction devices for racing cars and high-performance sports cars
patent, January 1999

Pneumatic aerodynamic control and drag-reduction system for ground vehicles
patent, June 1999

Vehicular boundary layer control system and method
patent, May 2000

Windmill structures and systems
patent, October 2000

Apparatus and method for aerodynamic blowing control using smart materials
patent, November 2000

Turbine blade trailing edge cooling openings and slots
patent, January 2001

Apparatus and methods for turbine blade cooling
patent, January 2001

Vehicle heat exchanger system and method for a vehicle that augments and modifies aerodynamic forces
patent, January 2001

Centrifugal air flow control
patent, March 2001

Oscillating air jets for reducing HSI noise
patent, May 2001

Striated cooling hole
patent, July 2001

Streamlined bodies with counter-flow fluid injection
patent, January 2002

Turbine airfoil for gas turbine engine
patent, April 2003

Foil formed structure for turbine airfoil trailing edge
patent, April 2003

Turbine airfoil for gas turbine engine
patent, August 2003

Turbine airfoil for gas turbine engine
patent, April 2004

Method and device for altering the separation characteristics of air-flow over an aerodynamic surface via intermittent suction
patent, March 2005

System and method for converting wind into mechanical energy
patent, June 2005

Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid
patent, August 2005

Advanced aerodynamic control system for a high output wind turbine
patent, September 2005

Ceramic matrix composite airfoil trailing edge arrangement
patent, June 2006

Channel-wing system for thrust deflection and force/moment generation
patent, September 2006

System and method for converting wind into mechanical energy
patent, April 2007

Methods and apparatus for deicing airfoils or rotor blades
patent, May 2007

Louvered horizontal wind turbine
patent, January 2008

Wind turbine rotor blade with in-plane sweep and devices using same, and methods for making same
patent, March 2008

Blade for a rotor of a wind energy turbine
patent, April 2008

Active flow modifications on wind turbine blades
patent, June 2008

Methods and apparatus for cooling turbine blade trailing edges
patent, June 2008

System and method for converting wind into mechanical energy for a building and the like
patent, February 2010

Cooled rotor blade
patent, February 2010

Circulation controlled airfoil
patent, May 2010

Refractory component with ceramic matrix composite skeleton
patent, August 2010

Reinforced airfoils
patent, December 2010

Active flow control system for wind turbine
patent, February 2011

Turbine energy generating system
patent-application, August 2006

Active flow control for wind turbine blades
patent-application, October 2007

Wind turbine blade with deflectable flaps
patent-application, January 2009

Wind Turbine Blade with Variable Aerodynamic Profile
patent-application, March 2009

Vertical axis wind turbines with blades for redirecting airflow
patent-application, August 2009

Blade for a Wind Turbine Rotor
patent-application, November 2009

Wind Turbine Blade with Lift-Regulating Means in Form of Slots of Holes
patent-application, January 2010

Active Curcilation Control of Aerodynamic Structures
patent-application, April 2010

Wind Turbine & Wind Turbine Blade
patent-application, May 2010

Active Flow Control System for Wind Turbine
patent-application, June 2010

Flatback Insert for Turbine Blades
patent-application, June 2010

Repair of Rotor Blade Roots
patent-application, June 2010

Blade for a Rotor of a Wind Turbine Provided with Barrier Generating Means
patent-application, August 2010

Turbine Energy Generating System
patent-application, August 2010

Wind Turbine with Boundary Layer Control
patent-application, October 2010

Shell Structure of Wind Turbine Blade Having Regions of Low Shear Modulus
patent-application, November 2010

Interlocked CMC Airfoil
patent-application, December 2010

Wind Turbine and Rotor Blade with Reduced Load Fluctuations
patent-application, January 2011

System and Method of Assembling an Air Distribution System for Use in a Rotor Blade of a Wind Turbine
patent-application, May 2011

Wind Turbine Blades with Controlled Active Flow and Vortex Elements
patent-application, June 2011

System and Method of Operating an Active Flow Control System to Manipulate a Boundary Layer Across a Rotor Blade of a Wind Turbine
patent-application, August 2011

Turbine Blades, Systems and Methods
patent-application, January 2012

Turbines with Integrated Compressors and Power Generators
patent-application, January 2013