WO/2015/130181 A WAVE ENERGY CONVERSION ARRANGEMENT||WO||03.09.2015|
||PCT/PL2014/000016||STAMIRSKI, Maciej||STAMIRSKI, Maciej|
The present invention relates to a wave energy conversion arrangement comprising - at least two modules (M1, M2) each of which comprises - at least one first float (P1) and at least one second float (P2) coupled mechanically with each other by means enabling for reciprocal and independent displacing of these floats in relation to each other over a predetermined length segment along separate straight lines parallel to each other; - at least one elementary energy conversion arrangement (7) using reciprocating movement of said at least one first float (P1 ) of a given module (M1, M2) relative to said at least one second float (P2) of this module (M1, M2); - connecting means (16) for alternative detachable connecting with each other - either said at least one first float (P1 ) of a given module (M1, M2) with said at least one second float (P2) of the adjoining module (M1, M2), - or said at least one first float (P1 ) of a given module (M1, M2) with said at least one first float (2) of the adjoining module (M1, M2) and/or said at least one second float (P2) of a given module (M1, M2) with said at least one second float (P2) of the adjoining module (M1, M2); - wherein said elementary energy conversion arrangements (7) of the adjoining modules (M1, M2) are energetically coupled with each other constituting a main energy conversion arrangement (15).
WO/2015/127800 HYDRAULIC DAMPING DEVICE||WO||03.09.2015|
||PCT/CN2014/091056||GUO, Huaibao||GUO, Huaibao|
A hydraulic damping device; a rod cavity of a damping oil cylinder (1) communicates with a rodless cavity via an external oil pipe (5); the external oil pipe (5) is provided with a power generation device thereon; the power generation device comprises a wheel casing (8), an impeller (4) and a power generator (2); the wheel casing (8) is connected to the external oil pipe (5) in tandem via a first oil port (9) and a second oil port (10), the first oil port (9) and the second oil port (10) being arranged at both sides of the wheel casing (8) in a staggered manner; the impeller (4) is fixedly connected and rotates within the wheel casing (8); and the power generator (2) is connected to the impeller (4) via a rotating shaft (3). The hydraulic damping device has simple oil lines and works reliably.
WO/2015/128309 POTENTIAL ENERGY STORE WITH SEAL||WO||03.09.2015|
||PCT/EP2015/053788||HEINDL ENERGY GMBH||STENZEL, Gerd|
The invention provides a potential energy store (100) having a hydraulic cylinder (110) in which a piston (120) for storing energy in the form of potential energy of the piston (120) is arranged, wherein the position of the piston (120) relative to the earth's surface can be varied, having a pump by means of which a hydraulic fluid (130) can be pumped via lines into the hydraulic cylinder (110) such that the piston (120) is raised, and having a generator for converting hydraulic energy of hydraulic fluid (130), which is displaced out of the hydraulic cylinder (110) as the piston (120) falls, into electricity, wherein a seal (400, 500, 600, 700, 701, 800, 900, 1000) or seal arrangement (1200, 1300, 1400, 1500) is at least partially arranged between the hydraulic cylinder (110) and the piston (120), characterized in that the seal (400, 600, 700, 701, 800, 900, 1000) or seal arrangement (1200, 1300, 1400, 1500) has at least one sealing section with a flexible support structure for absorbing the acting forces, said support structure being coated on one or both sides with a layer which is impervious to fluid and which serves for sealing against the passage of fluid, or said support structure being impregnated with a solidified material which is impervious to fluid.
WO/2015/128586 WAVE ENERGY PLANT HAVING OFFSET FLOATS||WO||03.09.2015|
||PCT/FR2015/050461||WAVES RUIZ||RUIZ DIEZ, José Antonio|
The invention relates to a wave energy plant (1) that includes: a semi-submersible platform (2) provided with at least one longitudinal casing (4) that extends from a bow (7) to a stern (8) of the platform (2); and a wave energy machine (3) mounted on the platform (2). The machine (3) comprises: a gantry (17) transversely mounted on the casing (4) on the bow of the platform (2); floats (18, 19) arranged so as to enable the wave energy to be converted into mechanical energy, i.e. at least one primary float (18) and at least one secondary float (19), longitudinally offset relative to the primary float (18); and a transformer (34). The platform (2) comprises at least one stabilizer aileron (12) extending transversely within the lower edges (10) of the casings (4) of the platform (2).
WO/2015/125150 TURBINE WITH POPPING DOOR PANS FOR POWER GENERATION USING FLOWING WATER OR LASHING SEA WAVES||WO||27.08.2015|
||PCT/IN2014/000106||M. MOHAMED, Ali||M. MOHAMED, Ali|
A device to produce electricity using the flowing water or the lashing sea waves. It is a novel method of underwater turbine comprising of a central axis 2 with which the popping up drag door pans 3 are attached laterally in multiples at equal distance, a set of gears which transfer the force from the central axis 2 to the generator 6, a floating system that helps the whole instrument to float in the water column and a metal stand 1 which holds all the components. The popping up drag door/s 4 of the popping up drag door pan 3 is open able only one side. The popping up drag door/s of two opposite popping up drag door pans 3 are open able towards the opposite directions. While the water flowing or lashing over the turbine, the popping up drag door/s 4 of one popping up drag door pan 3 is forcefully opened by the water force and the water passes to the other side through the gaps of the opened door/s. Simultaneously, the popping up drag door/s 4 of the opposite popping up drag door pan 3 are forcefully closed by the water force, the popping up drag door pan 3 is pushed back and in turn the central axis 2 is rotated.
WO/2015/124946 METHOD AND SYSTEM FOR IMPROVING ENERGY CAPTURE EFFICIENCY FROM AN ENERGY CAPTURE DEVICE||WO||27.08.2015|
||PCT/GB2015/050501||SGURRENERGY LIMITED||IRVINE, Ian|
A method and system for improving the efficiency of energy capture from an energy capture device by analysis of the downstream fluid wake created by the energy capture device. In an illustrated embodiment, the system (10) comprises a sensing arrangement (32) configured to acquire air flow data from a downstream wake (34) produced by rotating blades (20) of a wind turbine (12), the sensing arrangement (32) comprising a Lidar unit (35) having an optical source (36) and a receiver (38). In use, the sensing arrangement (32) acquires data relating to the air flow velocity in the wake (34), which data is then processed to determine the relative angle of the wind turbine (12) and the average direction (D) of the incident resource (W).
WO/2015/122646 POWER GENERATING DEVICE FOR IMPROVED ENERGY EFFICIENCY||WO||20.08.2015|
||PCT/KR2015/001162||KIM, Han Joong||KIM, Han Joong|
The present invention comprises: an upper reservoir and a lower reservoir; supports installed within the lower reservoir; a foothold provided at the top of the supports; cranes (12, 13) provided on top of the foothold; a support installed at the center part within the lower reservoir; a lever provided at the upper end of the support; hydraulic compressors provided on one end and the other end of the lever; cylinders provided on one end and the other end of the underside of the lever; driving water tanks provided on the lower part of each of the cylinders on one end and the other end; automated valves provided on the lower part of the driving water tanks; rope which connects the ends of the lever to the cranes; a generator provided below the upper reservoir and at the lower reservoir, connecting the two reservoirs by means of a water pipe; and an electronic circuit device which can control all the aforementioned devices.
20150226173 SYSTEM FOR TRANSFORMING FLUID FLOW POWER (EMBODIMENTS)||US||13.08.2015|
||14424859||ANTANTA EKO LIMITED LIABILITY COMPANY||Anatolij Jurevich Galetskij|
The group of inventions relates to the field of renewable energy sources, in particular, in wind and water power engineering, and transformation of this energy into other kinds of energy. The fluid flow power transformation system comprises a body of rotation disposed in a cylindrical body with a diffusor provided with a protective screen, a convergent cone, at least one coupling element in the form of a shaft and a foundation block. The body of rotation consists of an outer and an inner shall fixedly connected by sail-type blades, or two or more sequentially arranged and oppositely rotating wheels with an outer and an inner shell fixedly connected by sail-type blades.
20150226175 APPARATUS AND SYSTEM FOR CONVERTING WAVE ENERGY BASED ON OSCILLATING WATER COLUMN TYPE||US||13.08.2015|
||14226836||Seung Kwan Song||Seung Kwan Song|
Provided herein is an oscillating water column type wave energy converting apparatus that is suspended underwater by a mooring device and system thereof, the apparatus and system comprising an damping plate connected to the mooring device; a post with a hollow of which both ends are open, the post extending vertically upwards from the mooring device; a turbine disposed inside the hollow of the post; and a housing of which its lower end is open and which is disposed at an upper portion of the post, wherein the turbine is rotated by air that flows according to changes in water level inside the hollow of the post.
20150226188 THERMOACOUSTIC ENERGY CONVERTING ELEMENT PART, THERMOACOUSTIC ENERGY CONVERTER, AND METHOD OF MANUFACTURING THERMOACOUSTIC ENERGY CONVERTING ELEMENT PART||US||13.08.2015|
||14605005||NGK Insulators, Ltd.||Yukio MIYAIRI|
The thermoacoustic energy converting element part includes a plurality of through holes extending along a uniform direction to penetrate a body of the thermoacoustic energy converting element part to form traveling paths of acoustic waves. The element part includes a wall surrounding each of the through holes to extend in an extending direction of the through hole and configured to exchange heat between the fluid. The through hole includes a through hole that has a hydraulic diameter of 0.4 mm or smaller, and an open area ratio of the through holes is 60% or higher. A first layer and a second layer are alternately provided on the wall of the thermoacoustic energy converting element part along the extending direction. A porosity of the first layer is 0% or smaller than a porosity of the second layer. The thermal conductivity of the structure of the thermoacoustic energy converting element part along the extending direction is 2 W/m/K or lower. If a metal plate is provided as the first layer, a plurality of the metal plates having a roughened main surface is layered and bonded by thermocompression bonding to manufacture the thermoacoustic energy converting element part.