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HRP20221386T1 - Hidraulična turbina - Google Patents

Hidraulična turbina Download PDF

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Publication number
HRP20221386T1
HRP20221386T1 HRP20221386TT HRP20221386T HRP20221386T1 HR P20221386 T1 HRP20221386 T1 HR P20221386T1 HR P20221386T T HRP20221386T T HR P20221386TT HR P20221386 T HRP20221386 T HR P20221386T HR P20221386 T1 HRP20221386 T1 HR P20221386T1
Authority
HR
Croatia
Prior art keywords
blade
blades
leading edge
tip
guide
Prior art date
Application number
HRP20221386TT
Other languages
English (en)
Inventor
Abraham D. SCHNEIDER
Sterling Marina WATSON
Original Assignee
Natel Energy, Inc.
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 Natel Energy, Inc. filed Critical Natel Energy, Inc.
Publication of HRP20221386T1 publication Critical patent/HRP20221386T1/hr

Links

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
    • 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
    • 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
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
    • 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
    • F03B3/125—Rotors for radial flow at high-pressure side and axial flow at low-pressure side, e.g. for Francis-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
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/10—Submerged units incorporating electric generators or motors
    • 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
    • F03B3/04—Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller 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
    • F03B3/126—Rotors for essentially axial flow, e.g. for propeller turbines
    • 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
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/11—Kind or type liquid, i.e. incompressible
    • 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
    • F05B2220/00—Application
    • F05B2220/30—Application in turbines
    • F05B2220/32—Application in turbines in water turbines
    • 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
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. 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
    • F05B2240/10—Stators
    • F05B2240/13—Stators to collect or cause flow towards or away from turbines
    • F05B2240/133—Stators to collect or cause flow towards or away from turbines with a convergent-divergent guiding structure, e.g. a Venturi conduit
    • 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
    • F05B2240/24—Rotors for turbines
    • F05B2240/242—Rotors for turbines of reaction type
    • 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
    • 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
    • F05B2240/301—Cross-section characteristics
    • 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
    • F05B2240/303—Details of the leading edge
    • 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
    • F05B2250/00—Geometry
    • 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
    • F05B2250/00—Geometry
    • F05B2250/70—Shape
    • 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
    • F05B2260/84—Modelling or simulation
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/60—Ecological corridors or buffer zones
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Turbines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Valve Device For Special Equipments (AREA)

Claims (15)

1. Vodič (900) za hidrauličnu turbinu, koji sadrži: glavčinu (910); i više oštrica (920) koje se protežu od glavčine (910), pri čemu svaka oštrica (920) od mnoštva oštrica (920) sadrži korijen (922) smješten na glavčini (910), vrh (924) nasuprot korijenu (922), vodeći rub (926), i stražnji rub (928) nasuprot vodećem rubu (926), i naznačen time što je omjer maksimalne debljine vodećeg ruba (926) na vrhu (924) oštrice (920) u odnosu na mnoštvo oštrica (920) prema promjeru vodiča (900) mjereno od vrhova (924) mnoštva oštrica (920), TLE/Dt, veći od oko 0.06.
2. Vodič prema zahtjevu 1, naznačen time što je za najmanje jednu od oštrica (920), vodeći rub korijena oštrice postavljen duž radijalne osi vodiča (900) i vodeći rub vrha oštrice je konzolno postavljen izvan radijalne osi u obodni smjer vodiča (900).
3. Vodič prema zahtjevu 1 ili 2, naznačen time što je omjer maksimalne debljine vodećeg ruba (926) na vrhu (924) oštrice (920) mnoštva oštrica (920) prema promjeru vodiča (900) mjereno od vrhova (924) mnoštva oštrica (920), TLE/Dt, kreće se od oko 0.08 do oko 0.35.
4. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što je najveća debljina vodećeg ruba (926) od najmanje jedne od oštrica (920), TLE, barem približno 50 mm.
5. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što se omjer maksimalne debljine oštrice (920) na glavčini oštrice (910) i promjera vodiča (900) mjeren od vrhova (924) mnoštva oštrica (920), tmax,h/Dt, kreće od oko 0.25 do oko 0.35.
6. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što omjer maksimalne debljine oštrice (920) na vrhu oštrice (924) i promjera vodiča (900) mjeren od vrhova (924) mnoštva oštrica (920), tmax,h/Dt, kreće se od oko 0.1 do oko 0.25.
7. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što je debljina vodećeg ruba najmanje jedne od oštrica (920) na vrhu oštrice (924) veća od debljine vodećeg ruba na korijenu oštrice (922).
8. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što mnoštvo oštrica (920) sadrži pet ili manje oštrica (920).
9. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što je vodeći rub (926) najmanje jedne od oštrica (920) u obliku sedla.
10. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što se za najmanje jednu od oštrica (920), omjer debljine vodećeg ruba oštrice (920) na glavčini oštrice (910) prema duljini tetive od oštrice (920) na glavčini oštrice (910) kreće od oko 0.25 do oko 0.39.
11. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što se za najmanje jednu od oštrica (920), omjer maksimalne debljine vodećeg ruba (926) oštrice (920) na vrhu oštrice (924) prema duljini tetive oštrice (920) na vrhu oštrice (924) kreće od oko 0.09 do oko 0.25.
12. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što je dio vodećeg ruba (926) na vrhu oštrice (924) barem jedne od oštrica (920) nagnut prema naprijed u smjeru rotacije oštrice.
13. Vodič prema zahtjevu 12, naznačen time što je dio vodećeg ruba (926) na vrhu oštrice (924) nagnut pod kutom u rasponu od oko 20 stupnjeva do oko 90 stupnjeva.
14. Vodič prema zahtjevu 13, naznačen time što je dio vodećeg ruba (926) na vrhu oštrice (924) nagnut pod kutom u rasponu od oko 25 stupnjeva do oko 45 stupnjeva.
15. Vodič prema bilo kojem od prethodnih zahtjeva, naznačen time što vodič (900) ima promjer od najmanje oko 0.5 metara.
HRP20221386TT 2019-03-13 2020-03-13 Hidraulična turbina HRP20221386T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962818031P 2019-03-13 2019-03-13
PCT/US2020/022817 WO2020186244A1 (en) 2019-03-13 2020-03-13 Hydraulic turbine
EP20733520.9A EP3735529B1 (en) 2019-03-13 2020-03-13 Hydraulic turbine

Publications (1)

Publication Number Publication Date
HRP20221386T1 true HRP20221386T1 (hr) 2023-01-06

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ID=72426052

Family Applications (1)

Application Number Title Priority Date Filing Date
HRP20221386TT HRP20221386T1 (hr) 2019-03-13 2020-03-13 Hidraulična turbina

Country Status (13)

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US (4) US11078882B2 (hr)
EP (1) EP3735529B1 (hr)
DE (1) DE202020005480U1 (hr)
DK (1) DK3735529T3 (hr)
ES (1) ES2931325T3 (hr)
HR (1) HRP20221386T1 (hr)
HU (1) HUE060285T2 (hr)
LT (1) LT3735529T (hr)
PL (1) PL3735529T3 (hr)
PT (1) PT3735529T (hr)
RS (1) RS63961B1 (hr)
SI (1) SI3735529T1 (hr)
WO (1) WO2020186244A1 (hr)

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