GB2390646A - Tidal energy water elevator - Google Patents

Tidal energy water elevator Download PDF

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Publication number
GB2390646A
GB2390646A GB0213351A GB0213351A GB2390646A GB 2390646 A GB2390646 A GB 2390646A GB 0213351 A GB0213351 A GB 0213351A GB 0213351 A GB0213351 A GB 0213351A GB 2390646 A GB2390646 A GB 2390646A
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GB
United Kingdom
Prior art keywords
tide
column
tank
tide level
outer tank
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
Application number
GB0213351A
Other versions
GB0213351D0 (en
GB2390646B (en
Inventor
Ernest Neale Mounsey
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB0213351A priority Critical patent/GB2390646B/en
Publication of GB0213351D0 publication Critical patent/GB0213351D0/en
Publication of GB2390646A publication Critical patent/GB2390646A/en
Application granted granted Critical
Publication of GB2390646B publication Critical patent/GB2390646B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F03B13/268—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 making use of a dam
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (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 elevator includes a hollow column 1 secured to the sea bed 12 and having a tide inlet 13 at the base below low tide level 11 and a valved air outlet 4 at the top to allow the incoming tide to rise within the column to high tide level 10. An upper, inner tank 2 receives water drawn from an lower, outer tank 3 via pipes 14, 8 as the tide recedes and creates a partial vacuum within the column 1. As the tide rises again, the water flows freely from the inner tank 2 via valve 5 and pipe 9 to a reservoir, turbine and generator not shown.

Description

TIDE LEVEL ELEVATOR.
The invention relates to a Tide Level Elevator which includes a hollow column open at the bottom with an air outlet valve at the top, an inner tank, an outer tank, four one-way valves and three interconnecting pipes.
Currently, tidal power, based on a barrage system, has a very limited application to the generating of electricity because the tides are variable and intermittent and create a comparatively short head of water to power turbines. The available useful running time is limited to about 5.5 hours during the approximate 12.5 hour period of outgoing and incoming tides.
An object of this invention is to provide a means to raise the tidal water to higher level than that of its own at full tide, under its own momentum.
Accordingly, this invention provides a re-inforced sealed column with a one-way air outlet valve at the top and tide intake/outlets at the base. The column also contains an inner tank secured near the top.
The incoming tide reaches its high level both within the column and the outer tank and as it recedes, the height of the water within the column is held, thus creating a partial vacuum.
Atmospheric pressure on the surface of the sea outside the sealed column will support a column of water up to a maximum height of 10 metres. The vacuum causes the water to syphon from the outer tank into the inner tank from which it eventually flows into a reservoir supplied also by other similar units. The reservoir, after its initial filling, would provide a continuous regulated flow from a level approximately 70% higher than high tide level, to power turbines. Preferably, the sealed column would be made from reinforced concrete or metal or other suitable material capable of withstanding the internal pressures created by the partial vacuum.
A preferred embodiment of the invention will now be described with reference to the accompanying drawing which shows a side view of the whole invention with a view of the sealed column interior and the outer tank interior.
2. As shown in the drawing, the invention comprises a vertical column 1 which is secured to the sea bed, 12. Fixed within column 1 is tank, 2. As the tide rises through tide intake/outlet 13, air is expelled through outlet valve 4, until high tide level 10 is reached. The tide also rises into outer tank 3 via tide intake pipe 14 and water inlet valve 7 until high tide level 10 is reached.
Intake/outlet 13 and intake of 14 are located below low tide level 11. As the tide recedes, causing a partial vacuum in 1, valves 4,5 and 7 close, retaining water in tank 3. Water inlet valve 6 opens, allowing water to syphon from tank 3 via pipe 8 into tank 2 where it is retained. When the tide rises again, valves 4, 5 and 7 open. Valve 6 closes and the water from tank flows, via valve 5 and pipe 9, into a reservoir, not shown, and thence through a turbine. The invention would be located in selected coastal areas, in dock areas, tidal rivers or suitable fresh water rivers. It could produce electricity to be used locally or fed into the national grid.

Claims (4)

s TIDE LEVEL ELEVATOR CLAIMS.
1. A Tide Level Elevator - including a hollow reinforced column with an air outlet valve at the top - an inner tank with one water inlet valve and one water outlet valve - an outer tank with a water inlet valve - all having appropriate connecting pipes.
2. A Tide Level Elevator as claimed in Claim one wherein the column and the outer tank
each have a tide inlet at their base.
3. A Tide Level elevator as claimed in Claim one or Claim two wherein the column and the outer tank are secured to the sea bed by suitable means.
4. A Tide Level Elevator substantially as described herein with reference to the accompanying drawing.
GB0213351A 2002-06-11 2002-06-11 Tide level elevator Expired - Fee Related GB2390646B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0213351A GB2390646B (en) 2002-06-11 2002-06-11 Tide level elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0213351A GB2390646B (en) 2002-06-11 2002-06-11 Tide level elevator

Publications (3)

Publication Number Publication Date
GB0213351D0 GB0213351D0 (en) 2002-07-24
GB2390646A true GB2390646A (en) 2004-01-14
GB2390646B GB2390646B (en) 2006-02-01

Family

ID=9938330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0213351A Expired - Fee Related GB2390646B (en) 2002-06-11 2002-06-11 Tide level elevator

Country Status (1)

Country Link
GB (1) GB2390646B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008132607A2 (en) * 2007-04-25 2008-11-06 Carlos Manuel Gonzalez Oppenheim System for generating electricity by exploiting the tides
NO20081642L (en) * 2008-04-02 2009-10-05 Statoilhydro Asa Power plant, procedure for power production, and use of the power plant.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB128399A (en) * 1918-06-20 1919-06-20 Francis Elias Renouf Improvements in and relating to Tide-operated Air Compressors.
GB464317A (en) * 1936-08-13 1937-04-15 Charles Faraday Proctor Apparatus for utilising tidal energy
US4095471A (en) * 1977-04-04 1978-06-20 The United States Of America As Represented By The United States Department Of Energy Tidal sampler
JPS55146280A (en) * 1979-04-27 1980-11-14 Katsuji Aoki Power-generating method by using ebb and high tide and seawater-drawing pump
JPS6040782A (en) * 1984-05-08 1985-03-04 Katsuji Aoki Tidal power pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB128399A (en) * 1918-06-20 1919-06-20 Francis Elias Renouf Improvements in and relating to Tide-operated Air Compressors.
GB464317A (en) * 1936-08-13 1937-04-15 Charles Faraday Proctor Apparatus for utilising tidal energy
US4095471A (en) * 1977-04-04 1978-06-20 The United States Of America As Represented By The United States Department Of Energy Tidal sampler
JPS55146280A (en) * 1979-04-27 1980-11-14 Katsuji Aoki Power-generating method by using ebb and high tide and seawater-drawing pump
JPS6040782A (en) * 1984-05-08 1985-03-04 Katsuji Aoki Tidal power pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008132607A2 (en) * 2007-04-25 2008-11-06 Carlos Manuel Gonzalez Oppenheim System for generating electricity by exploiting the tides
ES2315170A1 (en) * 2007-04-25 2009-03-16 Carlos Manuel Gonzalez Oppenheim System for generating electricity by exploiting the tides
WO2008132607A3 (en) * 2007-04-25 2009-07-09 Gonzalez Oppenheim Carlos Manu System for generating electricity by exploiting the tides
NO20081642L (en) * 2008-04-02 2009-10-05 Statoilhydro Asa Power plant, procedure for power production, and use of the power plant.

Also Published As

Publication number Publication date
GB0213351D0 (en) 2002-07-24
GB2390646B (en) 2006-02-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120611