WO2012025754A1 - Structure pour le déploiement et la récupération d'une génératrice d'énergie hydroélectrique - Google Patents

Structure pour le déploiement et la récupération d'une génératrice d'énergie hydroélectrique Download PDF

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Publication number
WO2012025754A1
WO2012025754A1 PCT/GB2011/051601 GB2011051601W WO2012025754A1 WO 2012025754 A1 WO2012025754 A1 WO 2012025754A1 GB 2011051601 W GB2011051601 W GB 2011051601W WO 2012025754 A1 WO2012025754 A1 WO 2012025754A1
Authority
WO
WIPO (PCT)
Prior art keywords
base
pivot
foundation
strut
power generator
Prior art date
Application number
PCT/GB2011/051601
Other languages
English (en)
Inventor
Marc Paish
Original Assignee
Pulse Group Holdings Limited
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 Pulse Group Holdings Limited filed Critical Pulse Group Holdings Limited
Priority to EP11764838.6A priority Critical patent/EP2609324A1/fr
Publication of WO2012025754A1 publication Critical patent/WO2012025754A1/fr

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
    • 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
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
    • 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"
    • F03B17/062—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 at right angle to flow direction
    • F03B17/065—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 at right angle to flow direction the flow engaging parts having a cyclic movement relative to the rotor during its rotation
    • 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
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/97—Mounting on supporting structures or systems on a submerged structure
    • 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
    • F05B2250/40—Movement of component
    • F05B2250/41—Movement of component with one degree of freedom
    • F05B2250/411—Movement of component with one degree of freedom in rotation
    • 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

Definitions

  • the present invention relates to a structure for deployment and recovery of a hydroelectric power generator. More particularly, but not exclusively, the present invention relates to such a structure comprising a foundation, a base and a strut pivotally connected to the foundation and base.
  • the structure according to the invention seeks to overcome the problems of the prior art.
  • the present invention provides a structure for deployment and recovery of a hydroelectric power generator comprising a foundation; a base having a first base end proximate to the foundation and a second base end remote from the foundation; and, a strut pivotally connected to the base at a base pivot and pivotally connected to the foundation at a foundation pivot.
  • the structure according to the invention allows for a controlled raising of the base and arms without uncontrolled pivoting of the base.
  • the structure according to the invention can be used on a rough of uneven sea or river bed.
  • the foundation need only be firmly attached to the bed. This can then support the base close to the bed.
  • the base As the base is pivotally connected to the strut the base can be pivoted to closely align with the bed.
  • the structure can comprise at least one hydroelectric power generator arranged on the base.
  • the at least one hydroelectric power generator can be a turbine.
  • the at least one hydroelectric power generator can comprise a base arm extending from the base and a hydrofoil pivotally connected to the base arm remote from the base.
  • the base comprises a buoyancy control means for adjusting the buoyancy of the base.
  • the base pivot can be arranged at one of the first and second base ends.
  • the pivot can be a universal pivot.
  • the base pivot can be connected to the base between the first and second base ends.
  • the buoyancy control means can be arranged on the side of the base pivot remote from the foundation.
  • the buoyancy control means can be arranged on the side of the base pivot proximate to the foundation.
  • the structure can comprise buoyancy control means on both sides of the base pivot.
  • the base pivot can be arranged substantially half way between the first and second base ends, and is preferably a single axis pivot.
  • the base pivot can be a universal pivot arranged closer to one base end than to the other.
  • the structure can further comprise a mechanical or hydraulic means for pivoting the base with respect to the strut about the base pivot.
  • the structure can further comprise a mechanical or hydraulic means for pivoting the strut with respect to the foundation.
  • the structure can further comprise a locking means between the base and the strut for locking the base in a fixed position relative to the strut.
  • Figure 1 shows a structure according to the invention
  • Figure 2 shows the structure according to figure 1 in a partially raised position
  • Figure 3 shows the structure of figure 2 in a fully raised position
  • Figure 4 shows a further embodiment of a structure according to the invention in side cross sectional view
  • Figure 5 shows a further embodiment of a structure according to the invention in side cross sectional view.
  • the structure 1 comprises a foundation 2 firmly anchored to the bed of the river or stream in which the structure 1 is arranged.
  • the structure 1 further comprises a base 3.
  • the base 3 has a first base end 4 proximate to the foundation 2 and a second base end 5 remote from the foundation 2.
  • Extending upwardly from the base 3 is a plurality of base arms 6.
  • a hydrofoil 7 is pivotally connected to each arm 6 remote from the base 3.
  • a strut 8 extends between the base 3 and the foundation 2.
  • the strut 8 is pivotally connected to the foundation 2 by a foundation pivot 9.
  • the strut 8 is pivotally connected to the base 3 at a base pivot 10.
  • the base pivot 10 is arranged at the second base end 5, remote from the foundation 2.
  • a buoyancy control means (not shown). Typically this comprises a volume within the base 3 which can be filled with air to control the buoyancy of the base 3.
  • the end 4 of the base 3 proximate to the foundation 2 is connected to the strut 8. Accordingly, as the buoyancy of the base 3 is increased the strut 8 pivots about the foundation pivot 9 as shown in figure 2.
  • the structure further comprises a locking member (not shown) between the base 3 and strut 8 which locks the base 3 in a fixed position relative to the strut 8.
  • the base pivot 10 is a universal pivot allowing rotation of the base 3 about a plurality of axis about the base pivot 10. The flow of the water therefore rotates the base 3 about the base pivot 10 until it lies parallel with the stream as shown.
  • the strut 8 holds the base 3 steady in the water while it is maintained.
  • the base 3 can be disconnected from the strut 8 if necessary and removed to a remote location for more extensive maintenance.
  • a locking means is not employed to maintain the base 3 in fixed relation to the strut 8.
  • the base 3 typically comprises a plurality of volumes (not shown) which can be filled with air to different degrees to keep the base 3 substantially parallel to the bed as it rises to the surface.
  • FIG 4 Shown in figure 4 in schematic cross section is a further embodiment of an oscillating hydrofoil structure 1 according to the invention.
  • the base pivot 10 is arranged half way between the first and second ends 4,5 of the base 3.
  • the base pivot 10 is a single axis pivot, the axis of the pivot being substantially parallel to the bed.
  • a buoyancy control means 1 1 Arranged on each side of the base pivot 10 is a buoyancy control means 1 1 comprising a volume which can be filled with air.
  • the two buoyancy control means 1 1 are filled with air at approximately equal rates.
  • the base 3 therefore rises from the bed substantially horizontally.
  • the base pivot 10 is equally spaced between the two ends 4,5 of the base 3 so that the force on the base 3 due to the flow of water over the base is substantially balanced at the base pivot 10.
  • the base 3 of this further embodiment can be raised to the surface in a number of other ways.
  • the buoyancy control means 1 1 on the far side of the base pivot 10 to the foundation 2 is filled with air. This raises the strut 8, pivoting it about the foundation 2.
  • the other buoyancy control means 1 1 is filled with air so raising the base 3 to the surface.
  • a locking means may be used to hold the base 3 in fixed relation to the strut 8 during the first stage of raising an end of the base 3 to the surface. This is then released for the second stage.
  • Figure 5 shows a further embodiment of an oscillating hydrofoil structure 1 according to the invention in cross section.
  • This embodiment is similar to that of figure 4 except the base pivot 10 is not arranged equally between the first and second ends 4,5 of the base 3. The force on the base 3 about the base pivot 10 is therefore unequal.
  • the base pivot 10 is a universal pivot free to pivot about a plurality of axis and so as with the embodiment of figures 1 to 3 the base 3 rotates in a horizontal plane in the stream due to the flow of water over it until the long axis of the base is parallel to the direction of water flow.
  • a locking means may or may not be used during raising of the base 3 to the surface.
  • the structure 1 includes a mechanical or hydraulic link which pivots the strut 8 about the foundation 2, raising the strut 8 as required. This increases the degree of control over the raising of the base 3.
  • the structure 1 includes a mechanical or hydraulic means for pivoting the base 3 about the base pivot 10 with respect to the strut 8.
  • the orientation of the base 3 with respect to the strut 8 may be mainly controlled by filling the buoyancy control means 1 1 on either side of the base pivot 10 with air.
  • the mechanical or hydraulic means may provide a fine control over the orientation of the base 3.
  • the base 3 includes one or more buoyancy control means 1 1 on one side of the base pivot 10 only.
  • a mechanical or hydraulic means is arranged on the other side of the base pivot 10 to control the orientation of the base 3 about the base pivot 10.
  • the hydrofoil structure 1 lacks buoyancy control means 1 1 .
  • the pivoting of the strut 8 and base 3 is controlled by hydraulic or mechanical means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

L'invention porte sur une structure (1) pour le déploiement et la récupération d'une génératrice d'énergie hydroélectrique, laquelle structure comprend une fondation (2) ; une base (3) ayant une première extrémité de base (4) proche de la fondation (2) et une seconde extrémité de base (5) à distance de la fondation (2) ; et une entretoise (8) reliée de manière pivotante à la base (3) au niveau d'un pivot de base (10) et reliée de manière pivotante à la fondation (2) au niveau d'un pivot de fondation (9).
PCT/GB2011/051601 2010-08-27 2011-08-25 Structure pour le déploiement et la récupération d'une génératrice d'énergie hydroélectrique WO2012025754A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11764838.6A EP2609324A1 (fr) 2010-08-27 2011-08-25 Structure pour le déploiement et la récupération d'une génératrice d'énergie hydroélectrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1014294.1 2010-08-27
GBGB1014294.1A GB201014294D0 (en) 2010-08-27 2010-08-27 A structure for depployement and recovery of a hydroelectric power generator

Publications (1)

Publication Number Publication Date
WO2012025754A1 true WO2012025754A1 (fr) 2012-03-01

Family

ID=43013326

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2011/051601 WO2012025754A1 (fr) 2010-08-27 2011-08-25 Structure pour le déploiement et la récupération d'une génératrice d'énergie hydroélectrique

Country Status (3)

Country Link
EP (1) EP2609324A1 (fr)
GB (2) GB201014294D0 (fr)
WO (1) WO2012025754A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10087910B2 (en) 2013-01-21 2018-10-02 Brown University Kinetic energy harvesting using cyber-physical systems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501696A (en) * 1946-01-12 1950-03-28 Wolfgang Kmentt Stream turbine
GB2441821A (en) * 2006-09-13 2008-03-19 Michael Torr Todman Self-aligning submerged buoyant tidal turbine
US20080232965A1 (en) * 2003-12-20 2008-09-25 Marine Current Turbines Limited Articulated False Seabed
GB2450624A (en) * 2007-06-30 2008-12-31 John Richard Carew Armstrong A support frame for water turbines adapted for movement with respect to an underwater mounting
GB2462320A (en) * 2008-08-05 2010-02-10 Pulse Group Holdings Ltd Hydro-electric power generating system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62267577A (ja) * 1986-05-16 1987-11-20 Sanuki Tekko Kk クロスフロ−水車発電装置
WO2004090325A1 (fr) * 2003-04-08 2004-10-21 Lionel William Mills Systeme a pales alternatives pour l'extraction d'energie de courants
GB201007160D0 (en) * 2010-04-29 2010-06-09 Nova Innovation Ltd Water turbine assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501696A (en) * 1946-01-12 1950-03-28 Wolfgang Kmentt Stream turbine
US20080232965A1 (en) * 2003-12-20 2008-09-25 Marine Current Turbines Limited Articulated False Seabed
GB2441821A (en) * 2006-09-13 2008-03-19 Michael Torr Todman Self-aligning submerged buoyant tidal turbine
GB2450624A (en) * 2007-06-30 2008-12-31 John Richard Carew Armstrong A support frame for water turbines adapted for movement with respect to an underwater mounting
GB2462320A (en) * 2008-08-05 2010-02-10 Pulse Group Holdings Ltd Hydro-electric power generating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10087910B2 (en) 2013-01-21 2018-10-02 Brown University Kinetic energy harvesting using cyber-physical systems

Also Published As

Publication number Publication date
EP2609324A1 (fr) 2013-07-03
GB201114676D0 (en) 2011-10-12
GB201014294D0 (en) 2010-10-13
GB2483160A (en) 2012-02-29

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