GB2448393A - Paddle wheel power generator supported between floats - Google Patents

Paddle wheel power generator supported between floats Download PDF

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Publication number
GB2448393A
GB2448393A GB0802831A GB0802831A GB2448393A GB 2448393 A GB2448393 A GB 2448393A GB 0802831 A GB0802831 A GB 0802831A GB 0802831 A GB0802831 A GB 0802831A GB 2448393 A GB2448393 A GB 2448393A
Authority
GB
United Kingdom
Prior art keywords
water
paddlewheel
floats
current
paddles
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.)
Withdrawn
Application number
GB0802831A
Other versions
GB0802831D0 (en
Inventor
David Adrian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB0802831D0 publication Critical patent/GB0802831D0/en
Publication of GB2448393A publication Critical patent/GB2448393A/en
Withdrawn legal-status Critical Current

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
    • F03B13/26—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 tide energy
    • F03B13/264—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 tide energy using the horizontal flow of water resulting from tide movement
    • 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
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
    • F03B17/063—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction the flow engaging parts having no movement relative to the rotor during its rotation
    • 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)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Hydraulic Turbines (AREA)

Abstract

A marine or river current turbine floats at the water surface and has a paddlewheel 1 attached between catamaran style side floats 2 which direct water 8 using a nozzle (funnel) effect towards the paddles 1. The floats 2 may be connected by a bottom (7, figure 2) to help to direct the flow. The structure is moored 6 so that the paddlewheel 1 can produce mechanical energy which is convened to electric power.

Description

1 2448393 Hydro-Gen The present invention is a device producing power
by transformation of the kinetic energy of marine or river current.
The already known devices for this usage are currently underwater and fully submerged devices, using one or several horizontal shaft propellers rotating in a perpendicular plan of the current.
Unfortunately, these systems need big infrastructures set on the seabed for maintaining the propeller upright in the water.
These devices being submerged are costly to carry out, to set, to maintain and to dismantle. Moreover, the blades are subject to cavitatioris, stress arid material fatigue.
The purpose of this invention is to overcome these drawbacks by a device floating at the surface of the sea, with the main components like the generator and the gearbox being outside the water and not in waterproof compartments. Thus the whole device can easily, at low cost, be moved, removed and maintained. This floating device is regularly moored by anchors on the seabed and doesn't need other fixed infrastrucLure or heavy construction. Thus, it is maintained in position and prevented from drifting with the current.
Thus the paddlewheel rotates by action of the water current which pushes on its submerged paddles.
The invention is characterized by getting at least one floating paddlewheel including a waterproof compartment orientated perpendicular to the current with its axis orientated parallel to the surface of the water and perpendicular to the current flow. This paddlewheel is maintained by two side floats, one on each side, so that its paddles underneath dive in the water, while its upper paddles are out of the water.
The side floats are specifically designed to set a nozzle effect on the wheel and thus to improve its efficiency. In the same manner, putting a bottom set below the wheel will prevent losing current by below. We can even possibly improve the device efficiency by setting up flaps to each extremity of the floats and the bottom. By opening these flaps an additional water current will be driven to the wheel.
A power generator driven by the wheel motion converts a part of the rotation energy of the wheel in electricity. The generator may be directly driven or not, inside or outside the paddlewheel, set on the structure.
The electric power is eventually transformed aboard then exported to the shore by cables in order to be connected to the grid.
In other applications, the device can eventually be used for output of hydrogen through electrolysis of water or to produce fresh water from sea water for instance.
The invention will now be described solely by way of example by referring to the accompanying drawings, this drawings being non restricted of the invention itself as described above: Figure 1 shows an example of the device, from the perspective, figure 2 from the front. It includes a paddlewheel (1) which rotates pushed by the current (8) with its shaft maintained by a structure (4) driving a generator through two bearings (3) The whole device is attached to one or several moorings (8) Efficiency is improved by the side floats (2) and a bottom located below the wheel (7) which force the whole water in motion to activate the paddiewheel.

Claims (7)

1. A method of extracting energy from the marine or river current using a floating paddlewheel including one waterproof compartment orientated perpendicular to the current so that its paddles underneath dive in the water while the paddles at the top are out of the water. The paddewheel is set on a structure which is tightly fastened to a mooring preventing it to be drifted by the stream.
2. Apparatus according to claim 1 wherein the mechanical power is converted into electrical power by a generator driven by the rotation of the paddlewheel.
3. Apparatus according to claim 1 wherein the paddlewheel rotates between side floats of a catamaran type, specifically designed to act like a nozzle.
4. Apparatus according to claim 1 and 3 wherein there is a bottom below the paddle wheel, between the side floats, specifically designed to act like a nozzle.
5. Apparatus according to claim 1, 3 and 4 wherein mobile flaps may be add at the extremity of each float and the bottom. By opening these flaps the water current will be more important to be driven to the wheel.
6. Apparatus according to claim 1 and 2 eventually allowing output of hydrogen by electrolysis of water.
7. Apparatus according to claim 1 eventually allowing output of fresh water from sea water by direct use of its mechanical energy.
GB0802831A 2007-02-26 2008-02-18 Paddle wheel power generator supported between floats Withdrawn GB2448393A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0701324A FR2913070A1 (en) 2007-02-26 2007-02-26 Hydroelectric energy producing system, has impeller whose axis is maintained perpendicular to direction of water current, and rotation unit rotating impeller around axis, where mooring lines prevents assembly to be driven by current

Publications (2)

Publication Number Publication Date
GB0802831D0 GB0802831D0 (en) 2008-03-26
GB2448393A true GB2448393A (en) 2008-10-15

Family

ID=39271783

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0802831A Withdrawn GB2448393A (en) 2007-02-26 2008-02-18 Paddle wheel power generator supported between floats

Country Status (2)

Country Link
FR (1) FR2913070A1 (en)
GB (1) GB2448393A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287309A (en) * 2011-07-19 2011-12-21 腾传文 Water flow generator
CN102493909A (en) * 2011-12-12 2012-06-13 山东中泰新能源集团有限公司 Large dam-less hydroelectric power station
WO2014057326A3 (en) * 2012-10-11 2014-05-30 Boudewijn Gabriel Van Rompay Device for generating hydroelectric energy
CN109779814A (en) * 2017-11-12 2019-05-21 李淑梅 A kind of river waterflow power generator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011031132A1 (en) * 2009-09-14 2011-03-17 Hugo Krop Floating power station with submerged paddlewheel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555663A1 (en) * 1975-12-11 1977-06-30 Georg Weiss Energy generator for land cultivation and stream clearance - has liftable float:supported paddle wheels in stream for electricity generation
US4590386A (en) * 1984-09-21 1986-05-20 Wiggs B Ryland Piggy back water power generator
CA2421139A1 (en) * 2003-03-03 2004-09-03 Gabriel Marinescu Hydraulic turbine for deep ocean conditions
WO2006060761A1 (en) * 2004-12-03 2006-06-08 John Herbert Coman Paddle wheels in a flow of water
DE202006008201U1 (en) * 2006-05-23 2006-08-10 Kapuschinski, Hubert Unit for generation of electric current on large rivers comprises two joined pontoons carrying a paddle wheel driving two opposing generators
GB2436704A (en) * 2006-03-31 2007-10-03 Hydreau Ltd Waterwheel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135115A (en) * 1936-09-29 1938-11-01 Nicholas J Schlachter Current motor
FR2487918A1 (en) * 1980-08-01 1982-02-05 Toutenkamion Floating wave or current energy converter using paddle wheel - is mounted square on to water flow to produce rotary motion, and has small wheel to orient converter into flow
US4737070A (en) * 1985-07-31 1988-04-12 Yamaha Hatsudoki Kabushiki Kaisha Water powered device
DE4325122A1 (en) * 1993-07-27 1995-02-02 Welsch M Electric generator
AT501751B1 (en) * 2005-04-13 2006-11-15 Hermann Riegerbauer FLOW POWER PLANT

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555663A1 (en) * 1975-12-11 1977-06-30 Georg Weiss Energy generator for land cultivation and stream clearance - has liftable float:supported paddle wheels in stream for electricity generation
US4590386A (en) * 1984-09-21 1986-05-20 Wiggs B Ryland Piggy back water power generator
CA2421139A1 (en) * 2003-03-03 2004-09-03 Gabriel Marinescu Hydraulic turbine for deep ocean conditions
WO2006060761A1 (en) * 2004-12-03 2006-06-08 John Herbert Coman Paddle wheels in a flow of water
GB2436704A (en) * 2006-03-31 2007-10-03 Hydreau Ltd Waterwheel
DE202006008201U1 (en) * 2006-05-23 2006-08-10 Kapuschinski, Hubert Unit for generation of electric current on large rivers comprises two joined pontoons carrying a paddle wheel driving two opposing generators

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287309A (en) * 2011-07-19 2011-12-21 腾传文 Water flow generator
CN102493909A (en) * 2011-12-12 2012-06-13 山东中泰新能源集团有限公司 Large dam-less hydroelectric power station
CN102493909B (en) * 2011-12-12 2013-12-04 山东中泰新能源集团有限公司 Large dam-less hydroelectric power station
WO2014057326A3 (en) * 2012-10-11 2014-05-30 Boudewijn Gabriel Van Rompay Device for generating hydroelectric energy
BE1021091B1 (en) * 2012-10-11 2015-11-27 VAN ROMPAY BOUDEWIJN GABRIëL DEVICE FOR GENERATING HYDRO-ELECTRIC ENERGY
US9534579B2 (en) 2012-10-11 2017-01-03 Boudewijn Gabriel VAN ROMPAY Device for generating hydroelectric energy
CN109779814A (en) * 2017-11-12 2019-05-21 李淑梅 A kind of river waterflow power generator

Also Published As

Publication number Publication date
FR2913070A1 (en) 2008-08-29
GB0802831D0 (en) 2008-03-26

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)