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1. WO2000039457 - WAVE ENERGY CONVERTER WITH FLOAT

Publication Number WO/2000/039457
Publication Date 06.07.2000
International Application No. PCT/AU1999/001142
International Filing Date 23.12.1999
Chapter 2 Demand Filed 20.07.2000
IPC
F03B 13/18 2006.01
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 13/186
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
1845and the wom slides relative to the rem
1855where the connection between wom and conversion system takes tension and compression
186the connection being of the rack-and-pinion type
Y02E 10/38
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
10Energy generation through renewable energy sources
30Energy from the sea
38Wave energy or tidal swell, e.g. Pelamis-type
Applicants
  • NAKOMCIC, Nenad [AU/AU]; AU
Inventors
  • NAKOMCIC, Nenad; AU
Priority Data
98228/9824.12.1998AU
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) WAVE ENERGY CONVERTER WITH FLOAT
(FR) HOULOMOTRICE A FLOTTEUR
Abstract
(EN)
A device to convert vertical motion of waves in a body of water into useable work has hollow float (14) centrally mounted on vertical sleeve (16) sliding on fixed vertical shaft (10). Oscillations are converted into rotation via an opposing pair of pinion gears, transferring power from upstroke and downstroke respectively, by meshing with circular grooves (18) on sleeve (16). The device is protected from lateral and torsional forces of the waves by an encircling slotted wall (8). The float may be half filled with water to balance buoyancy and gravitational forces.
(FR)
L'invention concerne un dispositif permettant de convertir le mouvement vertical des vagues en une masse d'eau utilisable dans un travail, qui comprend un flotteur creux (14) monté de manière centrale sur un manchon vertical (16) coulissant le long d'un axe vertical (10) fixe. Les oscillations sont converties en un mouvement rotatif via une paire de pignons moteur opposés, qui transfèrent l'énergie provenant respectivement de la course montante et de la course descendante, par engrènement de rainures circulaires (18) sur ledit manchon (16). Ce dispositif est protégé contre les forces latérales et de torsion des vagues par une paroi circulaire (8) à fentes. Le flotteur peut être à moitié rempli d'eau afin d'équilibrer la poussée hydrostatique et les forces gravitationnelles.
Also published as
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