CA2630440A1 - Wave energy recovery system - Google Patents
Wave energy recovery system Download PDFInfo
- Publication number
- CA2630440A1 CA2630440A1 CA002630440A CA2630440A CA2630440A1 CA 2630440 A1 CA2630440 A1 CA 2630440A1 CA 002630440 A CA002630440 A CA 002630440A CA 2630440 A CA2630440 A CA 2630440A CA 2630440 A1 CA2630440 A1 CA 2630440A1
- Authority
- CA
- Canada
- Prior art keywords
- shaft
- recovery system
- energy recovery
- wave energy
- coupled
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- 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
- F03B13/14—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 wave energy
- F03B13/16—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1885—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem
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- 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
- F03B13/14—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 wave energy
- F03B13/16—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1845—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
- F03B13/1865—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem where the connection between wom and conversion system takes tension only
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0091—Offshore structures for wind 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
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/95—Mounting on supporting structures or systems offshore
-
- 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
- F05B2260/40—Transmission of power
- F05B2260/406—Transmission of power through hydraulic systems
-
- 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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention includes novel apparatus and methods for recovering energy from water waves. An embodiment of the present invention includes a buoy, a shaft, and an electric power generating device. The shaft is coupled to the buoy such that when the buoy moves vertically in response to a passing wave, the shaft rotates. The shaft is coupled to the electric power generating device such that when the shaft rotates, the generating device produces electric power. Once electric power is generated, it is delivered to shore, where it is stored, used to power a device, or delivered to a power distribution grid.
Claims (20)
1. A wave energy recovery system comprising:
a motion translating assembly comprising;
a main buoy; and a shaft coupled to said main buoy, wherein vertical motion of said main buoy is translated into rotational motion of said shaft; and an electric power generating device coupled to said shaft, wherein rotational motion of said shaft results in said electric power generating device generating electric power.
a motion translating assembly comprising;
a main buoy; and a shaft coupled to said main buoy, wherein vertical motion of said main buoy is translated into rotational motion of said shaft; and an electric power generating device coupled to said shaft, wherein rotational motion of said shaft results in said electric power generating device generating electric power.
2. . The wave energy recovery system of claim 1, wherein said motion translating assembly further comprises:
a retracting buoy;
a pulley, coupled to said shaft; and a cable, coupled on a first end to said main buoy, coupled on a second end to said retracting buoy, and wrapped around said pulley.
a retracting buoy;
a pulley, coupled to said shaft; and a cable, coupled on a first end to said main buoy, coupled on a second end to said retracting buoy, and wrapped around said pulley.
3. The wave energy recovery system of claim 2 wherein the coupling of said pulley to said shaft translates rotational motion from said pulley to said shaft when said pulley rotates in a first direction and does not translate motion from said pulley to said shaft when said pulley rotates in a second direction.
4. The wave energy recovery system of claim 3 wherein said motion translating assembly is one of a plurality of motion translating assemblies comprising said wave energy recovery system.
5. The wave energy recovery system of claim 4 wherein said shaft is comprised of a plurality of shaft segments.
6. The wave energy recovery system of claim 5 wherein each of said plurality of motion translating assemblies is coupled to an adjacent motion translating assembly by one of said plurality of shaft segments.
7. The wave energy recovery system of claim 6 wherein each of said plurality of shaft segments is coupled to one of said plurality of pulleys by a constant velocity joint.
8. The wave energy recovery system of claim 1 further comprising a support platform, wherein said shaft is rotatably coupled to said support platform.
9. The wave energy recovery system of claim 8 wherein said buoy is positioned proximate to a surface of a body of water and said support platform is positioned proximate to a bed of said body of water.
10. The wave energy recovery system of claim 1 wherein said electric power generating device is an alternating current permanent magnet generator.
11. The wave energy recovery system of claim 1 further comprising a gearbox, wherein said gearbox is coupled to said shaft and coupled to said electric power generating device.
12. The wave energy recovery system of claim 1 further comprising a capacitor coupled to said electric power generating device.
13. The wave energy recovery system of claim 1 wherein said main buoy comprises:
a water intake valve; and an air intake valve.
a water intake valve; and an air intake valve.
14. The wave energy recovery system of claim 1 further comprising a power cable coupled to said electric power generating device.
15. The wave energy recovery system of claim 1 wherein said main buoy comprises:
a rectangular body; and a skirt coupled to said rectangular body.
a rectangular body; and a skirt coupled to said rectangular body.
16. A wave energy recovery system comprising:
a motion translating assembly comprising;
a main buoy; and a shaft coupled to said main buoy, wherein vertical motion of said main buoy is translated into rotational motion of said shaft;
a pump coupled to said shaft, wherein rotational motion of said shaft results in said pump generating pressure;
a pressure line coupled to said pump; and an electric power generating device coupled to said pressure line.
a motion translating assembly comprising;
a main buoy; and a shaft coupled to said main buoy, wherein vertical motion of said main buoy is translated into rotational motion of said shaft;
a pump coupled to said shaft, wherein rotational motion of said shaft results in said pump generating pressure;
a pressure line coupled to said pump; and an electric power generating device coupled to said pressure line.
17. The wave energy recovery system of claim 16, wherein said electric power generating device is a multiple hydraulic pump drive system.
18. The wave energy recovery system of claim 17 wherein said motion translating assembly is one of a plurality of motion translating assemblies comprising said wave energy recovery system.
19. The wave energy recovery system of claim 18 wherein said pump is one of a plurality of pumps comprising said wave energy recovery system;
further wherein, pressure from said plurality of pumps is accumulated to drive said hydraulic generator.
further wherein, pressure from said plurality of pumps is accumulated to drive said hydraulic generator.
20. A method for recovering energy from waves comprising:
positioning a plurality of buoys in a body of water;
positioning a shaft in said body of water;
positioning an electric power generating device in said body of water or proximate to said body of water;
coupling each of said plurality of buoys to said shaft;
coupling said shaft to said electric power generating device;
translating vertical motion of said buoy to rotational motion of said shaft;
and engaging rotational motion of said shaft to said electric power generating device to generate electric power.
positioning a plurality of buoys in a body of water;
positioning a shaft in said body of water;
positioning an electric power generating device in said body of water or proximate to said body of water;
coupling each of said plurality of buoys to said shaft;
coupling said shaft to said electric power generating device;
translating vertical motion of said buoy to rotational motion of said shaft;
and engaging rotational motion of said shaft to said electric power generating device to generate electric power.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73828705P | 2005-11-18 | 2005-11-18 | |
US60/738,287 | 2005-11-18 | ||
PCT/US2006/044898 WO2007061951A2 (en) | 2005-11-18 | 2006-11-20 | Wave energy recovery system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2630440A1 true CA2630440A1 (en) | 2007-05-31 |
CA2630440C CA2630440C (en) | 2011-02-08 |
Family
ID=38067822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2630440A Expired - Fee Related CA2630440C (en) | 2005-11-18 | 2006-11-20 | Wave energy recovery system |
Country Status (8)
Country | Link |
---|---|
US (2) | US7474013B2 (en) |
EP (1) | EP1960660B1 (en) |
JP (1) | JP5179370B2 (en) |
CN (1) | CN101535631B (en) |
AU (1) | AU2006318664A1 (en) |
CA (1) | CA2630440C (en) |
ES (1) | ES2570742T3 (en) |
WO (1) | WO2007061951A2 (en) |
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-
2006
- 2006-11-20 JP JP2008541405A patent/JP5179370B2/en not_active Expired - Fee Related
- 2006-11-20 EP EP06838063.3A patent/EP1960660B1/en not_active Not-in-force
- 2006-11-20 US US11/602,145 patent/US7474013B2/en not_active Expired - Fee Related
- 2006-11-20 CA CA2630440A patent/CA2630440C/en not_active Expired - Fee Related
- 2006-11-20 WO PCT/US2006/044898 patent/WO2007061951A2/en active Application Filing
- 2006-11-20 AU AU2006318664A patent/AU2006318664A1/en not_active Abandoned
- 2006-11-20 CN CN2006800505688A patent/CN101535631B/en not_active Expired - Fee Related
- 2006-11-20 ES ES06838063T patent/ES2570742T3/en active Active
-
2008
- 2008-11-26 US US12/313,955 patent/US7683500B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2009516799A (en) | 2009-04-23 |
CA2630440C (en) | 2011-02-08 |
WO2007061951A2 (en) | 2007-05-31 |
EP1960660B1 (en) | 2016-03-23 |
AU2006318664A1 (en) | 2007-05-31 |
US7683500B2 (en) | 2010-03-23 |
US7474013B2 (en) | 2009-01-06 |
US20070164568A1 (en) | 2007-07-19 |
ES2570742T3 (en) | 2016-05-20 |
US20090102200A1 (en) | 2009-04-23 |
WO2007061951A3 (en) | 2009-04-30 |
EP1960660A2 (en) | 2008-08-27 |
CN101535631A (en) | 2009-09-16 |
CN101535631B (en) | 2012-07-04 |
JP5179370B2 (en) | 2013-04-10 |
EP1960660A4 (en) | 2012-10-10 |
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