US997731A - Wave-motor. - Google Patents
Wave-motor. Download PDFInfo
- Publication number
- US997731A US997731A US61807811A US1911618078A US997731A US 997731 A US997731 A US 997731A US 61807811 A US61807811 A US 61807811A US 1911618078 A US1911618078 A US 1911618078A US 997731 A US997731 A US 997731A
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- US
- United States
- Prior art keywords
- wave
- connection
- submerged
- tension
- motor
- 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.)
- Expired - Lifetime
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Classifications
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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
- F03B13/187—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 and the wom directly actuates the piston of a pump
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- 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
Description
.L.AYERS. WAVE MOTOR.
` APPLIGATION I'ILED MAR. 31,1911. f 997,731. Patentea July 11,1911.
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'IIIII IIIIIIIILIII IIIIIII WIT/M8858: gal I I I /IvI/E/vr of? Edward ufyem.
ATTUH/VEY IINTED STTE PATENT TFFIQE.
EDWABD L. AYERS, OF NORTH VANCOUVER, BB'I'I'ISH COLUMBIA, CANAIDA.
WAVE-MOTOR.
To all whom 'it may concern:
Be it known that I, EDWARD L. AYnRs, citizen of the United States of America, residing at North Vancouver, in the Province of British Columbia, Canada, have invented a new and useful VVave-Motor, of which the following is a specification.
This invention relates to a wave motor of that class wherein the power is derived from the rise and fall of a fioatable body on the Waves. In all efforts to derive power from such rise and fall ,that I have observed in practical operation, reliance has been placed on a strong mooring of the fioatable body to the sea bottom the power being derived from the tension on the mooring. Such a device necessitates, in tidal Waters, a provision to compensate for the rise and fall of the tide and practically prevents the vessel or the generator from moving off quickly to avoid bad weather.
My efiort has therefore been to attain the desired result of a usable tension due to the rise of the floatable body on the Waves by suspending from that floatable body one or more submerged bodies so designed that they will fall freely through the water during the downward movement of the fioatable body as it descends into the trough of the waves but that will resist upward movement as it rises to the crest.
The invention is particularly described in the following specification, reference being made to the drawings by which it is accompanied, in which:
Figure 1 is a Vertical section through the device, Fig. 2, a plan of the submerged body, and Fig. 3 shows in elevation an alternative form of the submerged body.
In these drawings 2 represents a floatable vessel which may be of any appropriate form or dimension that will offer a sufficient measure of buoyancy and that will rise and fall freely on the wave. From this buoyant vessel 2 is suspended by a fiexible connection 3 a submerged body 4 the connection being preferably made to a central stem 5 projecting upward from 4 so that the tension of the connection will maintain the body 4 in its normal upright position.
In order to obtain the desired tension on the connection 3 as the vessel 2 rises on a Wave it is necessary that the body 4 shall fall promptly through the water during the descent of the fioatable body 2 so that during the period of rise there may be no slack in Specificaton of Letters Patent.
Application filed March 31, 1911.
Patented July 11, 1911. Serial No. 618,078.
the connection 3. This result is attained by forming the structure of the body 4 as a horizontally disposed open skeleton frame centrally arranged around the connection of the stem 5 to it and by covering this open frame with a series of closely connected valves 6 that Will open freely upward so as to offer little or no resistance to downward movement but that will close immediately on an upward movement being made and will thus lmpose a strong resistance to such upward movement. The valves 6 are hinged to radial rods 6a by strip-like hinge members 6b, best shown in Fig. 2 of the drawings. To strengthen the resistance to upward movement an upwardly projecting rim 7 surrounds the body 4 which will prevent the water from passing too freely from the upper surface. This structure of the submerged body as an open frame covered with valves opening upward is an essential feature of this invention for, as before eX- plained, unless every provision is made to facilitate descent of the submerged body 4 and to oppose resistance to its being lifted satisfactory results cannot be attained.
In the alternative design shown in Fig. 3 the frame of the submerged body is formed as a cone the valves being connected to the open skeleton frame as before. 7ith this construction the valves will not require to open so far before attaining the Vertical position and the natural tendency of the water ofi the slope of the cone during descent Will be outward, while during ul ward movement 'the hollow cone will retain the water and offer a strong resistance.
Power' may be derived from the tension of the connection 3 in any manner that may be convenient in the use to which it is to be applied.
In the drawing herewith the flexible connection VV3 is shown as attached to a stem 10 having a crosshead 11 to which are secured downwardly directed plungers 12 of fluid force pumps 13 and on the stem 10 is a fioat 20 which will tend to maintain the crosshead 11 at the upper limit of its .movement With the pump plungers 12 ready for a downward stroke under the pull of the connection 8 as the vessel 2 rises to a wave.
The full Curved line in Fig. 1 shows the outline of the wave corresponding to the position of the mechanism shown in full lines and the curved dot and dash line, the
outline of the wave as it would lift the floatable body to the position shown by dot and dash lines and as having executed a full stroke of the pump plungers.
The water drawn into the pumps may bc forced against a resisting pressure into a storage reservoir where it will be retained for use.
The particular manner by which the tension of the connection 3 is converted into usable power forms no material part of this invention which relates more particularly to the construction of thesubmerged body by which a usable tension is obtained.
The float'able body 2 may be of any particular form and may have any number of suspended submerged bodies. lVhere the length of the Vessel is sensibly greater than the breadth it will be obviously advantageous to concentrate them as far as possible toward the extremb ends.
Having now particularly described my in Vention and the .manner of its operation, 1 hereby declare that what I claim as new and desire to be protected in by Letter:2 Patent is: i
l. As a wave motor, the combination with a fioatable' body, of a submerged body fiexi bly connected to said submerged body and consisting of a horizontally disposed open frame, the surface of which is covered with valves opening upward, and means for deriving power from the tension of the flexible connection.
2. As a wave motor, the combination with a fioatable body of a submerged body connected to it, said submerged body consisting of a horizontally disposed open frame cen trally arranged around a rigid stem to which the fiexible connection is made, valves open ing upward for closing the openings of the 40 frame, and means for deriving power from' the tension imposed on the fiexible connection as the floatable body rises to a wave.
3.- As a wave motor, the combination with a floatable body, lof a submerged body fleXibly connected to it, said submerged body consisting of a horizontally disposed open frame centrally arranged around a rigid Stein to which the fiexible connection is made, valves opening upward for closing the openings of the frame when the body is drawn upward, a raised border around the outside of the frame, and means for deriving power from the tension imposed on the flexible connection as the fioatable body rises to a wave.
4. As a wave motor, the combination with a fioatable body, of a submerged body fiexibly connected therewith, said submerged body comprising an open frame uniformly' disposed earound a central stem to which the fiexible connection is made, the eXposed sur face of the frame being formed as a series of valves opening upward, and means for deriving power from the tension on the flexible connection as the floatable body rises.
In testimony whereof have signed my name to this specification in the presence of two subscribing witnesses.
EDl/VARD L. AYERS.
Vitnesses:
RowLAND BRI'i MN, O. P. NoRDRUM.
Copies of this patent may be obtained for five cents each, by addressing' the Commissioner of ZE'atents, Washington, D. 0.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61807811A US997731A (en) | 1911-03-31 | 1911-03-31 | Wave-motor. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61807811A US997731A (en) | 1911-03-31 | 1911-03-31 | Wave-motor. |
Publications (1)
Publication Number | Publication Date |
---|---|
US997731A true US997731A (en) | 1911-07-11 |
Family
ID=3066061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US61807811A Expired - Lifetime US997731A (en) | 1911-03-31 | 1911-03-31 | Wave-motor. |
Country Status (1)
Country | Link |
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US (1) | US997731A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4340821A (en) * | 1980-06-19 | 1982-07-20 | Slonim David Meir | Apparatus for harnessing wave energy |
WO2010059209A3 (en) * | 2008-11-21 | 2010-07-22 | Ocean Power Technologies, Inc. | Float for wave energy converter (wec) |
-
1911
- 1911-03-31 US US61807811A patent/US997731A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4340821A (en) * | 1980-06-19 | 1982-07-20 | Slonim David Meir | Apparatus for harnessing wave energy |
WO2010059209A3 (en) * | 2008-11-21 | 2010-07-22 | Ocean Power Technologies, Inc. | Float for wave energy converter (wec) |
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