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Nuevo convertidor onshore de energía mareomotriz


Oferta Tecnológica
Un emprendedor griego ha desarrollado un nuevo enfoque de aprovechamiento de energía mareomotriz. Se trata de un convertidor onshore de energía mareomotriz de tipo flotante que se aplica especialmente en estructuras onshore o infraestructuras existentes como puertos, rompeolas, muelles y embarcaderos. También puede instalarse en plataformas flotantes cercanas a la costa o en generadores eólicos offshore. Se buscan socios con el fin de establecer acuerdos de financiación, joint venture, licencia, fabricación, investigación o cooperación técnica.


Innovative on-shore sea wave energy converter.
A Greek innovator has invented a novel approach to harness wave energy. The technology is an on-shore wave power converter of the floating type applicable to specially made on-shore structures or existing infrastructures like harbors, breakwaters, piers and jetties. It can be equally installed on near-shore floating platforms or on offshore wind generator pylons. Partners are sought for financial, joint venture, licensing, manufacturing, research and/or technical cooperation agreements.
The power transmission and power conversion systems are mounted above still-water level on solid foundations. The innovative sea wave energy converter captures the up and down movement of the buoy, which is then converted simultaneously, by a mechanism, to a horizontal and rotational movement to drive an electric generator.

Each device (unit) consists mainly of two parts: a) the float, moving vertically (up/down, guided by protective rails inside recesses on the breakwater frontage) following the oscillating movement of the waves and b) the mechanism which converts simultaneously the vertical movements of the float to horizontal and/or rotational movements, depending on the type of electrical generator used.

The buoy floats because its weight is equaled by a buoyancy force exerted by the water. Due to the float weight and to the generator and system inertia - which keep the float steady - waves will progressively cover the upper part of the float that is out of the water. By doing so, a buoyancy force equal to the amount of the water displaced will be exercised on it, thus pushing it upwards. When the waves recede the float will follow in a downward movement with the force of its weight. The design takes full advantage of the entire amplitude of the wave movement.

Power is directly fed into the grid. Multiple units in configuration deployed side by side, form groups capable of producing many megawatts (MWs). In addition, the architecture yields increased power production due to wave reflection on the breakwater frontage, high reliability and operational safety.

All these attributes offer significant advantages compared to all off shore ocean wave technologies. This technology can also use the excess electricity to power an off-the-shelf reverse osmosis desalination plant. This makes this technology capable of producing both clean power and fresh water, which in some ways effectively doubles the size of the applicable market.

For example, on a shoreline of less than 50 meters length, 13 such units with a float diameter of 3m and height 3m (half immersed) and wave height of 1,5m can yield power of 1MW at a cost of 50.000 Euros each (650.000 Euros total, brake water and yearly maintenance included).

This converter is unique in the way that it deals with high energy events by being onshore, firmly anchored on solid ground, thus minimizing the consequences of extreme weather conditions encountered by off-shore and/or near-shore devices. Being on-shore also minimizes comparatively the cost of maintenance and the risks to personnel safety.

This technology is the result of a lot of hard work and inspiration by its inventor and his collaborators. The technology has been developed over the last 15 years and the team behind it is passionate about creating a truly innovative and sustainable power generating technology from sea waves as a solution to the three major threats faced by humanity: climate change, power and clean water shortage.

The inventor is looking for collaborations with possible investors - through financial, joint venture and/or license agreement - and/or manufacturers - via manufacturing, technical and/or research cooperation agreements - who will develop and apply the innovative technology for the production of electrical power from sea waves, thus playing a major economic role, investing in a product of global reach, interest and need.
Advantages and Innovations:

1) Offers cost-competitive renewable power generation.
2) Suitable for use in locations near population centres worldwide, and in remote or isolated communities (islands etc).
3) Adaptability: Suitable for any wave height.
4) Exportability: The technology can be manufactured and assembled in the facilities of any factory at any location, as it is portable, easy to install and has low maintenance costs.
5) Connection with the grid is direct and does not require underwater cables and/or anchors.
6) Very low environmental impact. No impacts on navigation and fisheries, no conflicts with coastal tourism, since the technology is constructed on rocky shores of low commercial value or on man-made breakwaters and piers.
7) The onshore nature of the installation is very important with respect to durability, maintenance and personnel safety.
8) Power of incident waves increases up to 100% due to wave reflection on the vertical breakwater wall. This is a tremendous advantage of this technology, compared to all off-shore ocean technologies.


1) The technology is an on-shore device that can be installed on rocky coast lines, breakwater structures, piers, near-shore platforms and wind generator pylons.
2) Floats, the only parts moving into the water, slide inside protective rails installed in recesses on the breakwater frontage. 3) Vertical movements of floats are transformed into rotational movements, through a simple innovative system.
4) Under extreme weather conditions or for repair or maintenance purposes, the floats can be locked or immobilized in their upper end position.
5) When one device is immobilized (e.g. for maintenance) all the others can continue to operate independently.
6) It exploits both the upward and downward wave movement to generate electrical energy through an innovative perpetual movement rotor.
7) Multiple units can operate side by side for mass production and cost reduction.
Stage of Development:
Field tested/evaluated
Patents granted,Exclusive Rights
CommeR Statunts Regarding IPR Status:
The inventor owns 100% of the intellectual property and development rights to this innovative sea wave energy converter. The intellectual property portfolio consists of 19 patents and patents pending global protection, comprising the following countries: Greece, Cyprus, UK, Ireland, France, Spain, Portugal, Germany, Turkey, US, Australia, Japan, South Korea, Chile, Israel, South Africa, Canada, India (PP), Brazil (PP).

Partner sought

Type and Role of Partner Sought:
- Type of partner sought: renewable energy industry / manufacturers, investors.

- Specific area of activity of the partner: Construction of industrial wave power converter plants; manufacture, supply, monitoring and maintenance of the technology.

- Task to be performed by the partner sought:
Development of the innovative technology for the production of electrical power from sea waves through financial, joint venture or license agreements; adaptation and further development of the technology via technical and/or research cooperation agreements; and manufacture of the product under license.


Type and Size of Client:
Already Engaged in Trans-National Cooperation:
Languages Spoken:


Technology Keywords:
04005008 Wind energy