# US 2003/0146628 A1 · Floating platform to obtain electric power

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- Number: US 2003/0146628 A1
- Document ID: US20030146628A1
- Status: Published application
- Kind: A1
- Application number: 10/165,500
- Filed: 2002-06-10
- Published: 2003-08-07
- Earliest claimed: 2002-02-02
- Inventors: Gines Sanchez Gomez
- Web page: https://patentgrep.com/patent/US20030146628A1

## CPC

- F03B 13/14: using wave energy
- Y02E 10/30: Energy from the sea, e.g. using wave energy or salinity gradient
- F03B: MACHINES OR ENGINES FOR LIQUIDS (positive-displacement engines for liquid F03C; machines for liquids and gases F01; positive-displacement machines for liquids F04, rotary fluid gearing of the hydrokinetic type F16H41/00)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

Floating platform fixed to bottom of a mass of water, provided with shovel wheels or helixes or turbines fixed to platform, lathe in that an anchorage cable is rolled by a recoverable spring or connected to anchorage by a rod-crank, and solar cells, they allow to transform the kinetic energy of the waves, aquatic currents and eolic energy in electricity by connecting the axes of shovel wheels or helixes or turbines to electricity generators, electricity generators to adapter circuits, and adapter circuits and solar cells to electric accumulators.

## Claims

### Claim 1

A method to obtain electric power from masses of water by using kinetic energy of water and from surfaces of water characterized in that a floating platform is anchored to a anchorage point placed at the bottom of mass of water, coast or other floating platforms on the mass of water, through an anchorage cable,
the movements of water are picked up through a set of turbines or helixes or shovel wheels installed in the platform,
when the movement of the water is oscillatory, this movement is picked up by an oscillatory axis connected to the anchorage cable with a rod-crank mechanism, or also with the anchorage cable rolling/unrolling up on the oscillatory axis, like in a lathe, with a recoverable helical spring,
a set of solar cells or eolic helixes are installed on the surface of platform,
the movement picked up by each said axis of turbine, helix, shovel, lathe or eolic helix feeds a direct current generator,
said direct current generator feeds an accumulator, through a rectifier if the axis movement is oscillatory, or directly in other case,
the electric direct current from the solar cells feeds the accumulator,
the accumulator feeds an oscillator to obtain an alternating current.

### Claim 2 (depends on 1)

The method of claim 1, characterized in that the anchorage cable longitude is changed according with variation of water level.

### Claim 3 (depends on 1)

The method of claim 1 characterized in having an anchorage weight resting on the bottom.

### Claim 4 (depends on 3)

The method of claim 3, characterized in that the anchorage weight is formed by the mechanisms of generation, accumulation and transformation of electric power, properly isolated.

### Claim 5 (depends on 3)

The method of claim 3, characterized in that the anchorage point is the oscillatory axis.

### Claim 6 (depends on 1)

The method of claim 1, characterized in that the anchorage to bottom of water is a weight hanging from the anchorage cable, being the cable elastic.

### Claim 7

A floating platform to obtain electric power from masses of water by using kinetic energy of water and from surface of water characterized in that:
an anchorage point placed on the bottom of water, coast or another floating platform,
an anchorage cable connecting said anchorage point to a oscillatory axis, directly rolling/unrolling up on said oscillatory axis, or through a rod-crank,
the length of the anchorage cable, or the set of the anchorage cable and the rod-crank, is the maximum from the bottom of water to the top of water, including the height of waves,
the oscillatory axis has a recoverable helical spring to rolling up the remaining anchorage cable,
the oscillatory axis is connected to a direct current generator,
a helm or a keel to maintain a constant address in a current of water,
a set of helixes, turbines or shovels wheels, being arranged on the lateral of the floating platform, being parallel to the helm or the keel, to pick up energy from currents of water,
and eolic helix on the free surface of the floating platform,
a axis connecting each said helix, turbine, shovels wheel or eolic helix to a direct current generator,
each said direct current generator is connected to an accumulator through a rectifier if the axis movement is oscillatory, or directly in other case,
a set of solar cells covering the free surface of the floating platform,
the solar cells are connected to the accumulator,
an oscillator is connected to the accumulator, to produce a alternate current with suitable frequency and voltage,
a security anchorage device.

### Claim 8 (depends on 7)

The floating platform of claim 7, making the oscillatory axis as anchorage point, being its associate electric generator on the bottom of water, being directly fixed the anchorage cable to the floating platform.

### Claim 9 (depends on 7)

A floating platform to obtain electric power from masses of water according to claim 7, specially oriented to pick up kinetic energy from oscillatory movements as waves, characterized in having a helix or turbine arranged in a horizontal plane, lightly submerged regarding the valley of waves,
a containment tube, height sensibly similar to the biggest wave height, width enough to surround the helix or turbine completely, concentric to the helix or turbine, when a wave raises the containment tube induces a water current in the helix or turbine,
the containment tube having valves to bail when the wave goes down
to control the position of the plane of the helix or turbine, the oscillatory axis has a pawl device that blocks unrolling the anchorage cable, the pawl being unblocked by effect of a control buoy located lightly above the containment tube, when a wave reaches up the control buoy.

### Claim 10 (depends on 7, 8, 9)

The floating platforms of claims 7 to 9, being said floating platforms similar to a ship, with one or several hull, said ship can move.

### Claim 11 (depends on 10)

The floating platform of claim 10 being auto-propelly, particularly by an electric motor fed by the electric accumulator.

### Claim 12 (depends on 7)

A floating platform to obtain electric power from masses of water according to claims 7, specially oriented to pick up kinetic energy from oscillatory movements as waves, characterized in that the floating platform is unloaded to contain only the oscillatory axis, the anchorage cable, the helical spring, the direct current generator, the rectifier, the accumulators, the oscillator and the security anchorage device.

### Claim 13 (depends on 12)

The floating platform of claim 12, being said floating platform a buoy, having the devices into its body, entering the anchorage cable through a hole.

### Claim 14 (depends on 13)

The floating platform of claim 13, being the buoy shaped as an invested U, having the oscillatory axis between the the two sticks of the invested U, rolling/unrolling up the anchorage cable externally to the buoy.

### Claim 15 (depends on 13, 14)

The buoy of claims 13 or 14, used for marine signaling, by auto-feeding of electricity.

### Claim 16 (depends on 7, 8, 9, 10, 11, 12, 13, 14, 15)

A floating platform to obtain electric power from masses of water, according to claims 7 to 15, characterized in that the oscillatory axis has a direct current generator in each one of its ends, with a pawl device to rotate each generator in a single sense, opposed to the generator of the other end, being connected each generator directly to the accumulator.

### Claim 17 (depends on 7)

A floating platform to obtain electric power from masses of water according to claim 7, specially oriented to pick up kinetic energy from currents of water, as rivers and estuaries, characterized in that the floating platform is unloaded to contain only an alternate current generator connected directly to the lateral turbines, helixes or wheels.

### Claim 18 (depends on 17)

A floating platform battery according to claim 17, specially oriented to the intensive exploitation of a current of water, characterized in having several floating platforms with a transverse configuration regarding the course of water, as a bridge of boats.

### Claim 19 (depends on 17)

A floating platform battery according to claim 17, specially oriented to the intensive exploitation of a current of water, characterized in having several floating platforms with a longitudinal configuration regarding the course of water.

### Claim 20 (depends on 12, 13, 14)

A floating platform battery according to claims 12 to 14, specially oriented to the intensive exploitation of a sea coast, characterized in having several floating platforms, in one or several lines, with parallel disposition regarding the coast, to a certain distance of the sea shore.

### Claim 21 (depends on 7)

A floating platform to obtain electric power from masses of water according to claim 7, specially oriented to pick up solar energy in quiet waters characterized in that the floating platform is shaped substantially as a raft, being unloaded to contain only the solar cells, the accumulator and the oscillator.

### Claim 22 (depends on 7)

A floating platform to obtain electric power from masses of water according to claim 7, specially oriented to pick up solar energy in quiet waters characterized in that the floating platform is shaped substantially as a raft, being unloaded to contain only the eolic helix, the generators, the accumulator and the oscillator.

### Claim 23

An use of the floating platforms of the invention characterized in that the floating platforms are provided in natural aquatic means as open sea, coasts, estuaries, rivers, lakes, . . . ; and in artificial aquatic means as channels, reservoirs, . . .
