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1. WO2011116100 - WAVE-ENERGY CONVERTER

Publication Number WO/2011/116100
Publication Date 22.09.2011
International Application No. PCT/US2011/028679
International Filing Date 16.03.2011
IPC
F03B 13/18 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
BMACHINES OR ENGINES FOR LIQUIDS
13Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
12characterised by using wave or tide energy
14using wave energy
16using the relative movement between a wave-operated member and another member
18wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
CPC
F03B 13/182
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
BMACHINES OR ENGINES FOR LIQUIDS
13Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus
12characterised by using wave or tide energy
14using wave energy
16using the relative movement between a wave-operated member, ; i.e. a "wom"; and another member, ; i.e. a reaction member or "rem"
18where the other member, ; i.e. rem; is fixed, at least at one point, with respect to the sea bed or shore
1805and the wom is hinged to the rem
181for limited rotation
182with a to-and-fro movement
F03B 13/1885
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
BMACHINES OR ENGINES FOR LIQUIDS
13Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus
12characterised by using wave or tide energy
14using wave energy
16using the relative movement between a wave-operated member, ; i.e. a "wom"; and another member, ; i.e. a reaction member or "rem"
18where the other member, ; i.e. rem; is fixed, at least at one point, with respect to the sea bed or shore
1885and the wom is tied to the rem
F05B 2240/40
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
2240Components
40Use of a multiplicity of similar components
F05B 2240/917
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
2240Components
90Mounting on supporting structures or systems
91on a stationary structure
917attached to cables
F05B 2240/93
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
2240Components
90Mounting on supporting structures or systems
93on a structure floating on a liquid surface
F05B 2250/712
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
2250Geometry
70Shape
71curved
712concave
Applicants
  • RESOLUTE MARINE ENERGY, INC. [US]/[US] (AllExceptUS)
  • WILLIAMS, Arthur, R. [US]/[US] (UsOnly)
Inventors
  • WILLIAMS, Arthur, R.
Agents
  • SMITH, Matthew A.
Priority Data
61/315,15818.03.2010US
61/405,28721.10.2010US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) WAVE-ENERGY CONVERTER
(FR) CONVERTISSEUR D'ÉNERGIE DES VAGUES
Abstract
(EN) Wave-Energy-Conversion (WEC) systems harness the water motion internal to waves propagating on large bodies of water to produce more readily usable forms of power, such as electricity. The water motion internal to a wave is oscillatory, and power is extracted from it by submerging structures that oscillate with the water, but more slowly. The power extracted from a wave is the product of the speed of the structure and the associated drag force on the structure. Because the structure moves more slowly than the water, increasing its speed reduces its speed relative to the water and with it the drag force. This tradeoff is optimized by maximizing the drag force for a given relative speed. The disclosed WEC systems exploit, in a variety of ways, the greater drag force provided by WEC structures of concave shape.
(FR) L'invention porte sur des systèmes de conversion d'énergie des vagues (WEC) qui exploitent le mouvement de l'eau, à l'intérieur des vagues, se propageant sur de grandes masses d'eau, pour générer des formes d'énergie plus facilement utilisables, telles que de l'électricité. Le mouvement de l'eau à l'intérieur d'une vague est oscillatoire, et de la puissance est extraite de celui-ci par la submersion de structures qui oscillent avec l'eau, mais plus lentement. La puissance extraite d'une vague est le produit de la vitesse de la structure et de la force de traînée associée sur la structure. Etant donné que la structure se déplace plus lentement que l'eau, l'augmentation de sa vitesse réduit sa vitesse relative à l'eau et avec elle la force de traînée. Ce compromis est optimisé en maximisant la force de traînée pour une vitesse relative donnée. Les systèmes WEC décrits exploitent, de diverses manières, la plus grande force de traînée fournie par des structures WEC de forme concave.
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