WO2013049143A3 - Blade tip to shroud clearance for shrouded fluid turbines - Google Patents

Blade tip to shroud clearance for shrouded fluid turbines Download PDF

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Publication number
WO2013049143A3
WO2013049143A3 PCT/US2012/057247 US2012057247W WO2013049143A3 WO 2013049143 A3 WO2013049143 A3 WO 2013049143A3 US 2012057247 W US2012057247 W US 2012057247W WO 2013049143 A3 WO2013049143 A3 WO 2013049143A3
Authority
WO
WIPO (PCT)
Prior art keywords
blade tip
shrouded fluid
shroud clearance
fluid turbines
shroud
Prior art date
Application number
PCT/US2012/057247
Other languages
French (fr)
Other versions
WO2013049143A2 (en
Inventor
Jonathan H. KERNER
John ROMUALDEZ
Jason M. BARNES
Original Assignee
Flodesign Wind Turbine Corp.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Flodesign Wind Turbine Corp. filed Critical Flodesign Wind Turbine Corp.
Publication of WO2013049143A2 publication Critical patent/WO2013049143A2/en
Publication of WO2013049143A3 publication Critical patent/WO2013049143A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • F03B3/123—Blades, their form or construction specially designed as adjustable blades, e.g. for Kaplan-type turbines
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/14—Rotors having adjustable blades
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/04—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the blades
    • 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
    • F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
    • 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
    • F05B2240/313—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 with adjustable flow intercepting area
    • 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
    • Y02E10/20—Hydro energy
    • 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
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Shrouded fluid turbines having features for setting, adjusting or controlling a blade tip-shroud clearance are described. Also described are methods for setting, adjusting or controlling a blade tip-shroud clearance in a shrouded fluid turbine.
PCT/US2012/057247 2011-09-26 2012-09-26 Blade tip to shroud clearance for shrouded fluid turbines WO2013049143A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161539312P 2011-09-26 2011-09-26
US61/539,312 2011-09-26

Publications (2)

Publication Number Publication Date
WO2013049143A2 WO2013049143A2 (en) 2013-04-04
WO2013049143A3 true WO2013049143A3 (en) 2013-09-26

Family

ID=47076389

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/057247 WO2013049143A2 (en) 2011-09-26 2012-09-26 Blade tip to shroud clearance for shrouded fluid turbines

Country Status (2)

Country Link
US (1) US20130195655A1 (en)
WO (1) WO2013049143A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108350860A (en) * 2015-08-25 2018-07-31 罗姆·斯达兹 The tunnel wind power turbine of trunnion axis is rotated with rotor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3007471A1 (en) * 2013-06-21 2014-12-26 Alstom Renewable Technologies HYDRAULIC MACHINE, SELF ADJUSTABLE DEVICE AND HYDRAULIC ENERGY CONVERSION INSTALLATION
US9810091B2 (en) 2014-08-12 2017-11-07 United Technologies Corporation Smart active clearance control between a rotor blade and a shroud
EP3303823A4 (en) * 2015-05-27 2019-03-20 Hydrospin Monitoring Solutions Ltd. An energy generating system and method
US10364795B2 (en) * 2015-07-03 2019-07-30 Darell Allen Williams Wind turbine for use in high winds
US11125205B2 (en) * 2015-09-14 2021-09-21 General Electric Company Systems and methods for joining blade components of rotor blades
JP6750952B2 (en) * 2016-02-24 2020-09-02 Ntn株式会社 Hydroelectric generator
US10546078B2 (en) 2017-01-13 2020-01-28 General Electric Company Turbofan case for controlling blade deflection
RU2645777C1 (en) * 2017-03-22 2018-02-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Чувашский государственный университет имени И.Н. Ульянова" Hydroturbine
ES2706449B2 (en) * 2017-09-28 2020-03-24 Nano Coatings S L HYDROGENERATOR WITH HORIZONTAL REACTION HYDROKINETIC TURBINE
WO2023211295A1 (en) * 2022-04-25 2023-11-02 Calle Madrid Alfredo Raul Peripheral support wind turbine
DE102022112451A1 (en) 2022-05-18 2023-03-23 Voith Patent Gmbh Hydraulic machine with a monitoring device
GB2612446B (en) * 2022-10-12 2023-12-20 Enturi Ltd Wind turbine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324985A (en) * 1980-07-09 1982-04-13 Grumman Aerospace Corp. Portable wind turbine for charging batteries
EP1004750A2 (en) * 1998-11-23 2000-05-31 General Electric Company Contoured abradable shroud structure
EP1891326A1 (en) * 2005-06-17 2008-02-27 Lm Glasfiber A/S A blade with hinged blade tip
US20100266408A1 (en) * 2009-04-15 2010-10-21 Frontier Wind, Llc Methods and System for Providing Power and Signals in a Turbine
WO2010141807A2 (en) * 2009-06-04 2010-12-09 Flodesign Wind Turbine Corporation Nacelle configurations for a shrouded wind turbine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4324985A (en) * 1980-07-09 1982-04-13 Grumman Aerospace Corp. Portable wind turbine for charging batteries
EP1004750A2 (en) * 1998-11-23 2000-05-31 General Electric Company Contoured abradable shroud structure
EP1891326A1 (en) * 2005-06-17 2008-02-27 Lm Glasfiber A/S A blade with hinged blade tip
US20100266408A1 (en) * 2009-04-15 2010-10-21 Frontier Wind, Llc Methods and System for Providing Power and Signals in a Turbine
WO2010141807A2 (en) * 2009-06-04 2010-12-09 Flodesign Wind Turbine Corporation Nacelle configurations for a shrouded wind turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108350860A (en) * 2015-08-25 2018-07-31 罗姆·斯达兹 The tunnel wind power turbine of trunnion axis is rotated with rotor

Also Published As

Publication number Publication date
US20130195655A1 (en) 2013-08-01
WO2013049143A2 (en) 2013-04-04

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