US644093A - Marine air-compressor. - Google Patents
Marine air-compressor. Download PDFInfo
- Publication number
- US644093A US644093A US71849799A US1899718497A US644093A US 644093 A US644093 A US 644093A US 71849799 A US71849799 A US 71849799A US 1899718497 A US1899718497 A US 1899718497A US 644093 A US644093 A US 644093A
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- piston
- cylinder
- air
- submerged
- rod
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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
Definitions
- 15' is a check-valve opening into the cylinder, which closes when the projection (or capnut) 14 enters the recess 15.
- 16 is an outlet or downward-opening checkvalve with passages 17 and 17', which allow the air to pass from the upper side or space above the piston through these passages and the valve into the lower part of the cylinder or space below the piston.
- the open pipe-passage 23 keeps the compensating cylinder at all times supplied with air when air is used in the same and at the same pressure as that in the submerged buoy 8 and of equal pressure above and below the piston 9.
- This pipe 23 is dispensed with, as heretofore explained, when oil or other liquid is used in the compensating cylinder.
- the compressor-cylinder can be made very considerably longer than the height of an ordinary wave and it will work equally as Well. In that caseI take care to see that the size of the openings in valves 18 and 18' are made very small, and the spring 20 is made of a tension smaller than enough to overcome the weight of the piston-rod 5 and its pistons, so that the tendency of the piston 9 is to slowly drop or settle down in the cylinder-mot so fast as to appreciably shorten the stroke of compressor-piston 4E, butyet enough so that the piston 4 will work in the lower part of the cylinder 3 at all times, regardless of the height of wave or corresponding length of stroke, thus insuring full compression of the air and complete discharge from the cylinder 3 of the compressed air with every stroke.
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- 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)
Description
Patented Fan. 27, 1900,
I F PLACE. MARINE AIR COMPRESSOR.
(Application flle'fl May 27, 1899.) 2 Sheets-Shut I.
(No Model.)
No. 644,093. Patented Feb. 27, I900.
- .1. F. PLACE.
MARINE AIR COMPRESSOR.
(Application filed May 27, 1899.)
2 Sheets-Sheet 2.
(No Model.)
m: uonqls Pzrzas co. PHOYO-LITNQ, WASHINGTON n. c.
UNTTED STATES PATENT Trice...
JAMES F. PLACE, OF GLEN RIDGE, NEW JERSEY.
MARINE AIR-COMPRESSOR.
SPECIFICATION formingpart of Letters Patent No. 644,093, dated February 27, 1900.
Application filed May 27, 1899. Serial No. 718,49 7. (No model.)
To all whom it may concern.-
Be it known that 1, JAMES F. PLACE, a citizen of the United States, and a resident of the borough of Glen Ridge, county of Essex, and State of New Jersey, have invented certain new and useful Improvements in Marine Air; Compressors, which invention relates to means for the utilization of the power of the waves of the ocean or other large bodies of water, of which the following is a specification, reference being had to the accompanying drawings, which form apart thereof.
The object of my invention is to utilize the energy of the motion of the waves of the ocean, sea, or lake by making use of the same to compress air, which can be stored or distributed for subsequent use or converted into electric energy by means of an ordinary engine and dynamo.
My invention is an improvement on' my method embodied in application Serial No. 716,485, filed May 12, 1899, relating to improvement in marine air compressors, in which the air-compressor (consisting of a primary and secondary cylinder) is submerged and is sustained and held in position by a totally-submerged buoy or air-reservoir.
The special object of this improvement is to secure a quicker automatic adjustment of the compressor to the different height, size, and strength of different waves and to the rise and fall of different tides, also to avoid straining of the parts on the upward stroke and to insure full work of the piston in the air-compressor cylinder on its down or working stroke, and besides insuring as little friction as possible to relieve the submerged buoy of weight and tendency to topheaviness, and thus aid in keeping the compressing-cylinder in an upright position at all times. I attain these objects by the mechanism illustrated in the accompanying drawings, in Which Figure 1 is a side elevation of my improved submerged air-compressor connected to floating buoy and totally-submerged buoy, as shown. Fig. 2 is a vertical section of my improved submerged air-compressor cylinder, showing air connections with floating buoy, piston and valves, and piston-rod. Fig. 3 is a Vertical section of the totally-submerged buoy, which is also used as an air-reservoir, with the automatic adjusting or fluid compensating cylinder, showing piston and valves and the lower part of piston-rod, which is the same piston-rod as shown in Fig. 2. Fig. 4 is aplan view of the flat-spider spring belonging to the piston of the automatic compensating cylinder.
Similar referencemarks refer to similar parts throughout the several views.
1 is the floating buoy, which floats on the surface of the water and on the top side of which is attached a protected air-inlet passage 5, and to the under side of which is fixed a plate 2 and a flexible or universal joint or flexible connection 2, and 3 is the submerged aircompressing cylinder attached thereto and suspended therefrom. 4 is the piston in said cylinder and fitted to work therein. (See Fig. 2.) g
5 is the piston-rod, which runs through the lower end of the air-compressing cylinder 3, through an ordinary stuffing box 6, and through another stuffing-box 10 into the automatic compensating cylinder 7, which may be incased in or attached to the submerged buoy 8, thus connecting the two cylinders encl- Wisc. This totally-submerged buoy or airreservoir is located below and beneath the floating buoy and air-compressing cylinder and substantially in line therewith, and it supports the compensating cylinder and the piston-rod 5, keeping both substantially erect at all times. This automatic compensating cylinder is of larger diameter than the aircompressing cylinder and is called a compensating cylinder because it does no Work, except to automatically adjust the distance between the floating buoy 1 and the submerged buoy or air-reservoir 8 to compensate for the different size or height of the waves and the difference in depth of water at high and low tide. When working, it is filled with air, which is supplied from the totally-submerged buoy or air-reservoir 8 through the pipe 23, or it may be filled with oil or any other fluid or liquid, in which case the pipe 23 is dispensed with and the aperture where the pipe enters the cylinder is closed. Only when air is used is it of larger diameter than the compressing-cylinder. If oil or any other non-compressible liquid is used in it, then it maybe of the same or even smaller diameter than the air-compressing cylinder.
9 is the compensating cylinder piston,which is made to fit the compensating cylinder and is fixed to the lower end of the piston-rod 5 and fitted to work in said compensating cylinder. It will be noticed that this piston-rod 5 has two pistons rigidly connected together by the rod, one on the upper end in the aircompressor cylinder and one on the lower end in the compensating cylinder, the rod connecting the two cylinders together through the two stuffing-boxes referred to.
11 is a flexible air-tube which goes through the flexible connection or universal joint 2 and, with the fixed metal tube 12, forms an air-passage for the air in the floating buoy to pass to the upper part (above the piston) of the compressing-cylinder 3. On the under side of the piston 4 I place an ordinary airinlet check valve or valves 13 and 13'. Over the top of the piston-rod at 1 1-1 fix a cap-nut, which holds the piston to the rod and at the same time when it enters the recess 15 in the cylinder-head on its upstroke forms an aircushion for the piston.
15' is a check-valve opening into the cylinder, which closes when the projection (or capnut) 14 enters the recess 15.
In the piston 9 (see Fig. 3) of the com pensating cylinder 7 I have both inlet and outlet or upward-opening and downward-opening check-valves.
16 is an outlet or downward-opening checkvalve with passages 17 and 17', which allow the air to pass from the upper side or space above the piston through these passages and the valve into the lower part of the cylinder or space below the piston.
18 and 18' are inlet or upward opening check Valves which allow the air to pass (through these valves) from the lower part of the cylinder to the upper side ofor space above the piston.
The outlet check-valve 16 is held to its seat by a very strong spiral spring 19 of great tension, and the inlet check-valves 18 and 18' are held to their seats by a flat spidersprings 20 and 20, Fig. 3. (Shown more clearly in Fig. 4..) This fiat spiderspring I make of very light steel, so that its pressure of the valves 18 and 18 to their seats is very light-hardly sufficient tension to overcome the weight of the piston-rod 5 and its two pistons 4 and 9. Spiral spring 19 is one of much stronger tension than spring 20.
At 21 is an outlet check-valve in the submerged buoy, which connects with the airhose 22, which is carried ashore to a compressed-air-receiving tank or to other air-reservoirs afloat, ifpreferred.
23 is a pipe connection forming an open airpassage from the interior of the submerged buoy S to the lower part of the compensating cylinder 7.
At 24; I fix a plug to shut off the inside of the piston-rod 5 from the air-space above the check-valve 16. The piston-rod 5 can be made solid; but I prefer a hollow red, as shown in the drawings.
25 is a recess in the lower cylinder-head of the compensating cylinder 7 to form an aircushion for the piston when the projection 26 enters the same on the limit of its downstroke, and 27 is a similar recess in the upper end of cylinder to serve the same purpose when the projection or round nut 28 enters it on the limit of its upstroke.
In the submerged air-compressing cylinder 3, Fig 2, near its lower end below the piston, I place an outlet check-valve 29, which 0011- nects with the flexible pipe or tube 80, which is attached to the submerged buoy or air-reservoir 8. This flexible tube forms an air-passage to carry the compressed air from the compressing-cylinder to the submerged buoy or air reservoir 8 ,as this submerged buoy serves as a storage-tank for the compressed air before it is carried ashore in the tube 22. The compensating cylinder 7 is fastened to the submerged buoy by bolts through the flange 81 at the top. (See Fig. 3.)
At 32 I fix an eyebolt to the lower end of the compensating cylinder, to which is attached an ordinary block and tackle 34, the rope 35, Fig. l, passing to the shore, by which the submerged buoy, with its compensating cylinder, can be raised or lowered at convenience. The whole is held by the anchorage 36, (see Fig. 1,) which may be any sort of sunken raft or platform loaded with weights or stones, or it may be any suitable fixed anchorage made fast to the bottom.
It will be noticed that the weight of the compressor-cylinder 3 is suspended entirely from the floating buoy 1 and that no part of said weight rests upon the submerged buoy 8 or upon the piston-rod 5. This is one special feature of my improvement. The location of the cylinders may be transposed without detriment to the working of the mechanism-that is, the compensating cylinder may be on top, attached to floating buoy, and the compressing cylinder below the same, attached to the totally -submerged air -reservoir or buoy. The preferred construction, however, is as shown in the drawings. The spring 19, (see Fig. 3,) which holds the checkvalve 16 in the compensating cylinder piston to its seat, is made of great tension, sufficiently strong that it will not allow the valve to open until a greater pressure is exerted per square inch than the amount of compression per square inch in the compressing-cylinder on the under side of the piston 4:. Thus it will be seen that as a wave of ordinary height acts on the floating buoy the lcompressor-cylinder rises with the floating buoy, compresses the air in the lower part of the cylinder 3,and forces it through the checki the valves 13 and 13 from the top side into the lower side of the cylinder below the piston 4, the check-valve 29 having closed. If the tide rises or if a wave of extra height and sizeas in a storm,'for instancecomes, then the action is repeated; but when the piston has reached the bottom of the cylinder it passes the aperture of the valve 29, forms an air-cushion of the air then below it, and the pressure is at once increased on the upper side of the lower piston 9 in the compensating cylinder 7, and the increased valve-pres sure on the spring 19 causesit to act, and the valve opens and the fluid passes from the upper part of the compensating cylinder into the lower part below the piston and allows the piston 9 and piston-rod 5 to rise and lengthen the distance between the two buoys until the floating buoy has reached the crest of the wave. Then when this floating buoy drops into the hollow of the wave the pistonrod and the pistons remain practically stationary and the compressor -cylinder falls with the floating buoy. The round cap-nut 14 enters the recess 15, (see Fig. 2,) forming an air-cushion, and a pressure is exerted on the check- valves 18 and 18 on the under side of the compensating cylinder piston 19 greater than the weight of the piston-rod and pistons, and the valves quickly open against the springs 20 and 20, and the fluid passes from the under side of the piston through the valves 18 and 18 into the upper part of the cylinder 7 and allows the piston and rod to fall, thus shortening the distance between the two buoys until the floating buoy reaches the hollow of the wave. This action is repeated with every wave. The open pipe-passage 23 keeps the compensating cylinder at all times supplied with air when air is used in the same and at the same pressure as that in the submerged buoy 8 and of equal pressure above and below the piston 9. This pipe 23 is dispensed with, as heretofore explained, when oil or other liquid is used in the compensating cylinder.
The object and tendency of the submerged buoy is to at all times keep the compensating cylinder, piston-rod, and its two pistons substantially erect and in line endwise, and while allowing free action to all parts without straining the same to keep the floating buoy as nearlyas possible at all times directly over the submerged buoy and yet allow it any natural and irregular movementgiven to it by the waves.
The length of the compressing-cylinder may be about the height of the ordinary wave where it is to be located, while the compensating cylinder and piston-rod must be considerably longer or of sufficient length to cover the difference between high and low tide and the highest and most ordinary wave.
The compressor-cylinder can be made very considerably longer than the height of an ordinary wave and it will work equally as Well. In that caseI take care to see that the size of the openings in valves 18 and 18' are made very small, and the spring 20 is made of a tension smaller than enough to overcome the weight of the piston-rod 5 and its pistons, so that the tendency of the piston 9 is to slowly drop or settle down in the cylinder-mot so fast as to appreciably shorten the stroke of compressor-piston 4E, butyet enough so that the piston 4 will work in the lower part of the cylinder 3 at all times, regardless of the height of wave or corresponding length of stroke, thus insuring full compression of the air and complete discharge from the cylinder 3 of the compressed air with every stroke.
Having thus described my invention, what I claim as new and original, and desire to secure by Letters Patent, is
1. In a marine air-compressor of the class described, an aincompressing cylinder flexibly connected to the under side of a floating buoy; in combination with a totally submerged buoy or air-reservoir having a compensating cylinder attached thereto; and a piston-rod having a piston on each end, one of said pistons being located and fitted to workin the said air-com pressing cylinder and the other in said compensating cylinder, substantially as shown and described.
2. In a marine air-compressor of the class described, having two buoys, one floating and the other totally submerged; an air-compressing cylinder; and a compensating cylinder; in combination with a piston-rod connecting said two cylinders together through two stuffing-boxes; said piston-rod having a piston on each end, one in the air-compressing cylinder and the other in the compensating cylinder, substantially as shown and described.
3. In a marine air-compressor of the class described, having two buoys, one float-ing and the othertotally submerged an air-compressing cylinder and a compensating cylinder; in combination with a piston-rod connecting said two cylinders together through two stuffingboxes; said piston-rod having a piston fixed to the end within the air-compressing cylin- .der, and another piston of larger area fixed to the end within the compensating cylinder, substantially as shown and described.
4. In a marine air-compressor of the class described having two buoys, one floating and the other totally submerged below the first; an air-compressing cylinder attached to and suspended from the under side of said floating buoy by a-flexible connection fixed between said floating buoy and said air-compressing cylinder; in combination with a compensating cylinder of larger inside diameter than said air-com pressing cylinder; said compensating cylinder being supported or sustained substantially erect by said submerged g buoy below, substantially in line with said aircompressing cylinder; and a piston-rod ,connecting said two cylinders together through stufflng-boxes; said piston-rod having a piston fixed to its upper end within said air-compressing cylinder, and a piston fixed to its lower end within said compensating cylinder, substantially as shown and described.
5. In a marine air-compressor of the class described, operated by a floating buoy and having a submerged air-compressing cylinder and a totally-submerged compensating cylinder; the combination of a piston working in said compensating cylinder; a valve opening from the lower part of said compensating cylinder below the piston into the upper part of same above the piston, and a valve opening from the upper part of said compensating cylinder above the piston, into the lower part of same below the piston, substantially as shown and described.
6. In a marine air-compressor of the class described, operated by a floating buoy and having a submerged air-compressing cylinder; and a totally-submerged compensating cylinder; the combination of a piston working in said compensating cylinder; a valve opening from the lower part of said compensating cylinder below the piston into the up per part of same above the piston, and held to its seat by a spring of small tension; and a valve opening from the upper part of said compensating cylinder above the piston into the lower part of same below the piston, and held to its seat by a spring of much stronger tension,substantiallyas shown and described.
7. Air-compressing mechanism for utilizing the power of waves, comprising two buoys, one floating on the surface of the water, and the other totally submerged and anchored beneath the same; and two cylinders c011 nected together substantially in line endwise by a piston-rod having a piston on each end, substantially as shown and described.
8. Air-compressin g mechanism for utilizing the power of waves,comprising two buoys, one floating on the surface of the water and the other submerged and anchored beneath the same; and two cylinders, connected together substantially in line endwise by a piston-rod having a piston on each end, one of said pistons being of larger area than the other, substantially as shown and described.
9. Air-compressing mechanism for utilizing the power of waves,comprising two buoys, one floating on the surface ofthe water and the other submerged and anchored beneath the same; and two cylinders, one considerably longer than the other,connected togethersubstantially in line endwise by a piston-rod having a piston on each end, substantially as shown and described.
10. Air-compressing mechanism for utilizing the power of waves, comprising two buoys, one floating on the surface of the water and the other totally submerged and anchored beneath the same; two cylinders each having a piston; a piston-rod fixed at each end to one of said pistons; and an inlet or upwardopening valve, and an outlet or downwardopening valve, in one of said pistons, whereby under pressure the fluid in cylinder passes from above to below or from below to above the piston, through said valves, substantially as shown and described.
11. Air-compressing mechanism for utilizing the power of waves,comprising two buoys, one floating on the surface of the water, and the other totally submerged and anchored beneath the same; a compressing-cylinder and a fluid compensating cylinder, each with a piston fitted thereto respectively, said compensating cylinder being considerably longer than the compressing-cylinder; and said two pistons being rigidly connected together bya piston-rod, substantially as shown and described.
12. In an air-compressing mechanism for utilizing the power of waves, two cylinders, one considerably longer than the other and each having a piston; apiston-rod which connects together said two cylinders endwise; a valve opening from the space below the piston in the longer cylinder into thespace above the same, and avalve opening from the space above said piston into the space below the same, substantially as shown and described.
13. In an air-compressing mechanism for utilizing the power of waves, two cylinders, one considerably longer than the other and each having a piston; a piston-rod which connects together said two cylinders endwise; a valve opening from the space below the piston in the longer cylinder into the space above the same, and held to its seat by a spring of comparatively-light tension,and a valve opening from the space above said piston into the space below the same, and held to its seat by a spring of much stronger tension, substantially as shown and described.
In witness whereof I have hereunto signed my name, this 23d day of May, 1899, in the presence of two subscribing witnesses.
JAMES F. PLACE.
Witnesses:
CLARENCE PLACE, JULIO G. GAnsnEN.
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Application Number | Priority Date | Filing Date | Title |
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US71849799A US644093A (en) | 1899-05-27 | 1899-05-27 | Marine air-compressor. |
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US71849799A US644093A (en) | 1899-05-27 | 1899-05-27 | Marine air-compressor. |
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US644093A true US644093A (en) | 1900-02-27 |
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US71849799A Expired - Lifetime US644093A (en) | 1899-05-27 | 1899-05-27 | Marine air-compressor. |
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Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126830A (en) * | 1964-03-31 | dilliner | ||
US4031702A (en) * | 1976-04-14 | 1977-06-28 | Burnett James T | Means for activating hydraulic motors |
US4249084A (en) * | 1975-10-08 | 1981-02-03 | Villanueva Juan T | Scheme for harnessing hydroundulatory power |
US4248044A (en) * | 1978-05-15 | 1981-02-03 | Woodilla Marvin F | Apparatus for wave power generation utilizing large mass dynamic energy absorption |
US5179837A (en) * | 1991-04-02 | 1993-01-19 | Sieber J D | Wave powered energy generator |
WO1994009273A1 (en) * | 1992-10-09 | 1994-04-28 | Torger Tveter | A device for a buoy-based wave power apparatus |
US5394695A (en) * | 1991-04-02 | 1995-03-07 | Sieber; J. D. | Wave powered energy generator |
US5975865A (en) * | 1996-12-03 | 1999-11-02 | Taiyo Plant Co., Inc. | Pump activated by wave energy |
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WO2014105510A1 (en) * | 2012-12-26 | 2014-07-03 | Healy James W | Wave energy electrical power generation |
US9068554B2 (en) | 2009-06-09 | 2015-06-30 | James W. Healy | Wave energy electrical power generation |
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- 1899-05-27 US US71849799A patent/US644093A/en not_active Expired - Lifetime
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US3126830A (en) * | 1964-03-31 | dilliner | ||
US4249084A (en) * | 1975-10-08 | 1981-02-03 | Villanueva Juan T | Scheme for harnessing hydroundulatory power |
US4031702A (en) * | 1976-04-14 | 1977-06-28 | Burnett James T | Means for activating hydraulic motors |
US4248044A (en) * | 1978-05-15 | 1981-02-03 | Woodilla Marvin F | Apparatus for wave power generation utilizing large mass dynamic energy absorption |
US5179837A (en) * | 1991-04-02 | 1993-01-19 | Sieber J D | Wave powered energy generator |
US5394695A (en) * | 1991-04-02 | 1995-03-07 | Sieber; J. D. | Wave powered energy generator |
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US20090226331A1 (en) * | 2005-05-18 | 2009-09-10 | Sieber Energy Inc. | Wave energy accumulator |
US7690900B2 (en) | 2005-05-18 | 2010-04-06 | Joe Sieber | Wave energy accumulator |
US8480381B2 (en) * | 2005-08-17 | 2013-07-09 | Ceto Ip Pty Ltd. | Wave energy conversion |
US20100219065A1 (en) * | 2005-08-17 | 2010-09-02 | Seapower Pacific Pty Ltd. | Wave engergy conversion |
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US20130034454A1 (en) * | 2007-01-25 | 2013-02-07 | Dartmouth Wave Energy Limited | Wave energy converter |
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US8308449B2 (en) | 2007-01-25 | 2012-11-13 | Dartmouth Wave Energy Limited | Wave energy converter |
US8628303B2 (en) * | 2007-01-25 | 2014-01-14 | Dartmouth Wave Energy Limited | Wave energy converter |
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US20100034670A1 (en) * | 2007-01-25 | 2010-02-11 | Alvin Smith | Hydro column |
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US8342818B2 (en) * | 2007-09-26 | 2013-01-01 | Windle Tommy J | Wave powered pumping apparatus |
JP2012529597A (en) * | 2009-06-09 | 2012-11-22 | ダブリュ. ヒーリー、ジェイムズ | Wave energy generation |
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WO2010144384A1 (en) * | 2009-06-09 | 2010-12-16 | Healy James W | Wave energy electrical power generation |
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US9068554B2 (en) | 2009-06-09 | 2015-06-30 | James W. Healy | Wave energy electrical power generation |
CN102803708B (en) * | 2009-06-09 | 2016-01-13 | 詹姆斯.W.希利 | Wave energy electrical power generation system |
EP2440775A4 (en) * | 2009-06-09 | 2017-06-21 | James W. Healy | Wave energy electrical power generation |
US9163786B2 (en) | 2012-11-09 | 2015-10-20 | Industrial Technology Research Institute | Energy capturing system and pressure stabilizing device thereof |
WO2014105510A1 (en) * | 2012-12-26 | 2014-07-03 | Healy James W | Wave energy electrical power generation |
CN104995398A (en) * | 2012-12-26 | 2015-10-21 | 詹姆斯.W.希利 | Wave energy electric power generation |
ES2734151A1 (en) * | 2018-06-04 | 2019-12-04 | Climent Castro Martin Alberto | Self rechargeable underwater pump (Machine-translation by Google Translate, not legally binding) |
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