ABENGOA SOLAR NEW TECHNOLOGIES, S.A. Patent applications |
Patent application number | Title | Published |
20150345832 | STRUCTURE FOR A DISH-TYPE POINT-BASED SOLAR CONCENTRATION SYSTEM, AND CONCENTRATION SYSTEM INCLUDING SAID STRUCTURE - It is lighter and easier to assemble. It comprises a) an anchoring sub-structure ( | 12-03-2015 |
20150325418 | METHOD FOR PRODUCING A DIELECTRIC AND/OR BARRIER LAYER OR MULTILAYER ON A SUBSTRATE, AND DEVICE FOR IMPLEMENTING SAID METHOD - The present invention relates to the procedure for the preparation of barrier and/or dielectric layers on a substrate, characterized in that it comprises the following stages: (a) cleaning the substrate, (b) placing the substrate on a sample holder and the introduction thereof into a vacuum chamber, (c) dosage of said vacuum chamber with an inert gas and a reactive gas, (d) injection into the vacuum chamber of a volatile precursor that has at least one cation of the compound to be deposited, (e) activation of a radio frequency source and activation of at least one magnetron, (f) decomposition of the volatile precursor using plasma, the reaction between the cation of the volatile precursor and the reactive gas occurring at the same time that the reaction between the reactive gas contained in the plasma and the cation from the target by sputtering takes place, thus leading to the deposition of the film onto the substrate. The device for carrying out said method is also object of the invention. | 11-12-2015 |
20150315024 | METHOD FOR OBTAINING SOLID GRAPHENE SAMPLES OR SUSPENSIONS - Method for obtaining solid samples or suspensions of graphene optionally doped with heteroatoms from synthetic or natural polymers, which are subjected to pyrolysis in a furnace without oxygen at temperatures of between 400° C. and 1,200° C. and subsequently to a liquid-phase exfoliation phase. The polymers used are preferably polysaccharides, such as chitosan, alginate and alginic acid, which can be optionally doped with any heteroatom. The invention is intended primarily for use in microelectronics and photovoltaic devices in which graphene sheets are very useful. In addition, the graphene prepared cn be uses as an additive for polymers and ceramic materials. | 11-05-2015 |
20150298083 | PORTABLE MIXING PLATFORM FOR PRODUCING A HEAT-TRANSFER FLUID AND METHOD FOR PRODUCING SAME - The invention relates to a portable mixing platform for producing a heat-transfer fluid on site and on an industrial scale, said fluid consisting of a eutectic mixture of diphenyl (DP) and diphenyl oxide (DPO). The platform includes a device that stores DPO in liquid state, a device for supplying DP in solid state, a mixing device in which both components are mixed in liquid state and in the right amount for forming a eutectic mixture, and a device for inerting and treating gases which maintains the DPO and mixing devices under inert atmosphere, as well as drawing the gases vented from both devices to pass said gases through an activated-carbon filter prior to expelling same into the atmosphere. The present invention also relates to the method for producing the eutectic mixture of DP and DPO using the described portable mixing platform. | 10-22-2015 |
20150294872 | METHOD FOR CREATING ELECTRICAL CONTACTS AND CONTACTS CREATED IN THIS WAY - The present invention relates to a method for creating electrical contacts in optoelectronic and electronic devices, including high and low concentration solar cells, thin films, organic light emitting diodes (OLED) and in general any device requiring the extraction or injection of a current by means of electrical contacts. The method comprises the following stages: (a) depositing the contact material on the final substrate through the laser induced forward transfer (LIFT) of said material from a donor substrate to the final substrate, preferably using a pulsed laser and (b) sintering the contact material using a laser source, preferably a continuous laser. The contacts thus created present excellent conductivity and adherence properties, as well as high height (thickness) to width ratios. | 10-15-2015 |
20150152239 | FORMULATION OF INKS CONTAINING CERAMIC NANOPARTICLES - The present invention relates to formulations comprising aluminum nitride nanoparticles, at least one dispersant and at least one aqueous solvent, to the method for obtaining said formulations as well as to their use for obtaining a leveling barrier layer. | 06-04-2015 |
20150020793 | PANEL-BASED SOLAR RECEIVER - The invention relates to a panel-based solar receiver for a thermal solar tower power plant ( | 01-22-2015 |
20150013751 | Suitable Control Method for A System of Photovoltaic Concentration Modules - The invention relates to a suitable control method for a system of photovoltaic concentration modules, which can be used to maintain the correct orientation of the modules in order to track the sun without requiring the use of positioning sensors. The sun is tracked by performing angular movements in relation to each of the degrees of freedom at given intervals, measuring the power or current supplied by the energy collection module(s). The estimation of the sun's position and the strategy for subsequent movements are determined as a function of the reading. | 01-15-2015 |
20140321922 | DEVICE AND METHOD FOR ANCHORING A SUPPORT STRUCTURE FOR SOLAR COLLECTORS TO THE GROUND - The invention allows anchoring of a support structure ( | 10-30-2014 |
20140202522 | SOLAR PLANT - A solar plant enabling transformation of solar energy exploiting most of the solar spectrum with very efficient yields, including: at least one solar collector including a concentrator, configured to collect and concentrate solar radiation in the concentrator; a solar laser device to transform radiation received from the concentrators into laser radiation; a receiver and/or a solar reactor configured to receive radiation from the laser device and transform it into another form of energy; and can include flexible lightguides or plane mirrors to transport the radiation received from the laser device to the solar reactor and/or receiver, and photovoltaic cells interspersed among the collectors and laser devices to transform the concentrated radiation into electricity and allow radiation not transformed to pass to the laser devices. | 07-24-2014 |
20140182655 | MOUNTING PROCEDURE OF A HIGH-CONCENTRATION PHOTOVOLTAIC SOLAR MODULE AND MODULE THUS MOUNTED - Mounting procedure of a high-concentration photovoltaic solar module and module thus obtained, defined to carry out a simple final mounting based on a set of elements arriving from the factory in optimum packaging to facilitate the logistics, three being the main mounting sequences: | 07-03-2014 |
20140153604 | DEVICE FOR TRANSFORMATION OF CONCENTRATED SOLAR ENERGY - A device for transformation of concentrated solar energy including a photovoltaic cell and laser device, which includes a first reflecting mirror adapted for entry of a beam of solar rays and a second reflecting mirror adapted for an outlet of a laser beam, with the first reflecting mirror reflective on an outlet wavelength of the laser beam and transparent to a totality of a solar spectrum and the second reflecting mirror partially reflective on the wavelength of the laser beam, reflective in an interval of the solar spectrum which is absorbed and transparent in other wavelengths different to these, and at the outlet of the laser beam. The device includes a nucleus doped with substances for total or partial absorption of the solar spectrum and coatings. | 06-05-2014 |
20140067138 | VIRTUAL CONTROLLER OF ELECTROMECHANICAL CHARACTERISTICS FOR STATIC POWER CONVERTERS - The invention relates to a virtual controller of electromechanical characteristics for a static power converter that includes a PLC ( | 03-06-2014 |
20140049233 | VIRTUAL ADMITTANCE CONTROLLER BASED ON STATIC POWER CONVERTERS - The invention relates to a virtual admittance controller based on static power converters, comprising a control loop into the inlet of which is injected the difference in voltage between a virtual internal voltage (e) and the voltage at the network connection point (v). Said difference in voltages feeds a virtual admittance processor ( | 02-20-2014 |
20140013879 | HYDRAULIC OIL-DRIVEN STRUCTURAL SUPPORT ROTATING MECHANISM - The invention relates to a hydraulic oil-driven structural support rotating mechanism comprising at least two hydraulic cylinders for driving the rotational movement of the structural support with respect to at least one axis, selected from vertical, horizontal or a combination of both, and a hollow core, comprising at least one opening on its side surface for the passage of a first and a second pivotable hydraulic cylinder, fixed to the core by means of two parallel vertical shafts , the ends of each hydraulic oil cylinder being fixed by attachment means to a rotating mechanical element selected from a slew ring or bearing, located inside the hollow core to which it is fixed by rotating mechanical element-core attachment means, and attached to the structural support by structural support-rotating mechanical element attachment means. | 01-16-2014 |
20130344238 | METHOD FOR IN SITU COATING A TOWER SOLAR RECEIVER - The invention relates to a method for in situ coating a tower solar receiver in order to protect the surface of the receiver from corrosion and to increase absorptivity of same, which is carried out in several steps: surface preparation, application of the coating, curing, optional vitrification, and controlled cooling. The surface preparation is done by zones depending on the size of the receiver, a methodology that enables an intercalated application of the coating in order to minimize the risk of corrosion. The curing stage is carried out by supplying steam to the inside of the receiver tubes, and temperature requirements above the operating limits of the boiler are adjusted with the solar field as support system. Vitrification is done using saturated steam traveling through the receiver tubes and concentrating solar radiation on the surface of the receiver from the solar field. | 12-26-2013 |
20130340549 | STRUCTURAL SUPPORT AZIMUTH ROTATION DEVICE - Structural support azimuth rotation mechanism ( | 12-26-2013 |
20130333690 | SOLAR TRACKER - Solar tracker comprising a pedestal ( | 12-19-2013 |
20130298990 | REFLECTIVE PHOTOVOLTAIC SOLAR CONCENTRATION SYSTEM - A reflective photovoltaic solar concentration system is formed by a primary reflecting mirror ( | 11-14-2013 |
20130298964 | MANAGEABLE HYBRID PLANT USING PHOTOVOLTAIC AND SOLAR THERMAL TECHNOLOGY AND ASSOCIATED OPERATING METHOD - Manageable hybrid plant using photovoltaic and solar thermal technology and associated operating method, wherein said hybrid plant comprises three levels of generation:
| 11-14-2013 |
20130220950 | PRESTRESSED SOLAR COLLECTOR MODULE - The invention relates to a prestressed solar collector module forming a support structure for solar collectors, of the type formed by a lattice bar structure including a central beam ( | 08-29-2013 |
20130220308 | NOVEL ARRANGEMENT OF NON-EVAPORABLE GETTERS FOR A TUBE SOLAR COLLECTOR - The invention relates to a novel arrangement of non-evaporable getters for a tube solar collector, said tube collector being of the type that includes an outer glass tube ( | 08-29-2013 |
20130213388 | COIL SOLAR RECEIVER FOR A STIRLING DISK AND METHOD FOR MANUFACTURING SAME - Coil solar receiver for a Stirling disk, the main components of which are pipes (where the sun hits), collectors, tanks and cupolas (of which there are two types, one that houses the regenerator, and the expansion cupola that is the area where the working gas is at a higher temperature) that includes a series of pipes ( | 08-22-2013 |
20130209793 | METHOD FOR THE PREPARATION OF GRAPHENE OR GRAPHENIC MATERIALS FILMS ON NON-METAL SUBSTRATES - The present invention describes a method for the preparation of graphene or graphenic material films by the carbonization of biopolymers. | 08-15-2013 |
20130199517 | MOLTEN SALT SOLAR RECEIVER AND PROCEDURE TO REDUCE THE TEMPERATURE GRADIENT IN SAID RECEIVER - Molten salt solar receiver and procedure to reduce the temperature gradient in said receiver. The receiver consists of at least one panel of semi cylindrical geometry, formed by a combination of vertical pipes. The receiver ( | 08-08-2013 |
20130199183 | ECONOMIZER IN SOLAR TOWER PLANT AND OPERATING METHOD OF SAID PLANT - An economizer in a solar tower plant and operating method of said plant the purpose whereof is to make use of the heat from the heat losses generated around the solar tower receivers ( | 08-08-2013 |
20130175229 | STRUCTURE WITH PRIMARY-REFLECTOR SECURING BEAMS - Structure with primary-reflector securing beams for a solar collector, which comprises the following essential components: | 07-11-2013 |
20130169950 | PORTABLE REFLECTOMETER AND METHOD FOR CHARACTERISING THE MIRRORS OF SOLAR THERMAL POWER PLANTS - The invention relates to a portable reflectometer and to a method for characterizing the collector mirrors used in solar power plants for the in-field characterization of reflection coefficients. The equipment includes all of the components required for this measurement, such as a module to measure the reflection coefficient of the mirror, an electronic data acquisition and processing system, a system for processing data and controlling the equipment, a system for storing the data of interest, a user interface system, and a system allowing communication between the aforementioned systems and an outer casing. The equipment can be used to characterize the specular reflection coefficient of flat or curved mirrors of different thicknesses, without requiring adjustments to be made to the equipment, minimizing the influence of diffuse reflection on the measurement. | 07-04-2013 |
20130146046 | "SOLAR TRACKER HAVING OLEO-HYDRAULIC CYLINDERS AND METHOD FOR OPERATING SAME" - The invention relates to a solar tracker having oleo-hydraulic cylinders that increase the rigidity of the system by keeping the two chambers of each cylinder pressurized, even while on stand-by. This makes the system more accurate, avoiding undesirable cylinder movement caused by oil compression. The system includes a circuit having at least one cylinder assembly ( | 06-13-2013 |
20130141807 | STRUCTURE FOR CYLINDRICAL SOLAR COLLECTOR - The invention relates to a structure for a cylindrical solar collector, comprising a lattice bar structure ( | 06-06-2013 |
20130125875 | CONCAVE RECEIVER FOR STIRLING DISH AND MANUFACTURING METHOD THEREFOR - Concave receiver for a Stirling dish the main components of which are tubes (which form the surface on which the concentrated solar light beam falls), collectors (welded to the tubes and place the fluid that runs through the tubes in communication with the tanks), tanks (the internal areas of the collectors from which the working gas is distributed to each of the tubes) and cupolas (of which there are two types, that for housing the regenerator and the expansion cupola which is the area where the working gas is at a higher temperature) comprising a series of tubes ( | 05-23-2013 |
20130118890 | PLANT FOR RECOVERING DEGRADED HEAT TRANSFER OIL FROM A SOLAR THERMAL FACILITY AND ASSOCIATED RECOVERY METHOD - The invention can be used to improve the yield of degraded heat transfer oil ( | 05-16-2013 |
20130092156 | METHOD FOR DISTRIBUTING HELIOSTATS IN TOWER PLANT - Method for distributing heliostats in a tower solar plant surrounded by a field of heliostats which reflect solar radiation on said tower. The distribution method for said heliostats consists of imitating the systems that are found in nature to maximize the collection of light (plant seeds, leaves and petals) and which is mathematically described by Fermat spirals in a number belonging to the Fibonacci series, through the placement, in polar coordinates, of each heliostat according to a radius and an angle defined by | 04-18-2013 |
20130042915 | PHOTOVOLTAIC SOLAR CONCENTRATION SYSTEM - A concentrated photovoltaic solar system has a Fresnel lens concentrator ( | 02-21-2013 |
20130005560 | NOVEL GLASS COMPOSITIONS AND METHOD FOR PRODUCING A GLASS/METAL JOIN - Novel glass compositions and method for producing a glass/metal join, in which the novel glass comprises: | 01-03-2013 |
20120282363 | MOLDING BENCH FOR CURVING MIRRORS - Molding bench for curving mirrors comprising a sheet ( | 11-08-2012 |
20120272950 | INSULATING ELEMENT FOR EXPANSION COMPENSATION DEVICE AND METHOD FOR THE MANUFACTURE THEREOF - Insulating element for expansion compensation device and method for manufacture thereof, of the type used in solar energy collector absorber tubes, being formed by a single piece in the form of a ring and with a bellows-like end portion, which is filled with rock wool or other equivalent insulating material, so as to create a hot air chamber which minimizes heat losses. | 11-01-2012 |
20120272949 | PARAMETRIC CYLINDRICAL SOLAR COLLECTOR HAVING AN OPTIMISED SECONDARY RECONCENTRATOR AND METHOD FOR DESIGNING SAME - Parametric cylindrical solar collector with an optimized secondary reconcentrator and its design process, where the geometry of the primary reflector is an evolution of the Helmet collector concept towards a discontinuous curve that allows increasing the C/Cmax concentration to over 0.52 as well as reducing the wind loads. The structure is optimized to withstand the different loads to which the collector is exposed. The collector's center of gravity is brought closer to the axis of rotation of the collector. The geometry of the secondary reconcentrator is optimized and the collection efficiency of the collector is of 100%. The secondary reconcentrator is obtained partially mirroring the glass tube that keeps the vacuum in the absorber tube. | 11-01-2012 |
20120260968 | SOLAR TRACKER FOR ROTARY HIGH-CONCENTRATION PHOTOVOLTAIC SOLAR MODULES FOR ROOFS AND SOLAR FARMS - It comprises a frame with an upper structure ( | 10-18-2012 |
20120251336 | VACUUM ENHANCING SYSTEM OR NON-EVAPORABLE GETTER - Vacuum enhancing system or non-evaporable getter of the type used en solar-receptor vacuum tubes which comprises a series of non-evaporable getter material pads the geometry of which is that of a prism with rounded corners and said pads are drilled through the centre thereof and linked by means of a cable ending in a quick-fit closure that allows the fitting thereof to be automated. This system is placed downstream of the expansion-compensating device in the form of non-radial bellows in the longitudinal direction and in the void defined by the vessel that is the interface part between the absorber tube and the expansion-compensating device. A getter system is placed in a radial arrangement, at each of the two ends of the receptor tube, resulting in a receptor tube of completely symmetrical geometry. | 10-04-2012 |
20120247456 | METHOD FOR PRODUCING A SOLAR POWER RECEIVING TUBE AND RESULTING TUBE - The invention relates to a method for producing a solar power receiving tube and to the resulting tube, which is of the type that includes: an outer glass tube, an inner metal absorber through which a heat-transfer fluid flows, and an intermediate area in which the vacuum is produced. The method comprises the following steps:
| 10-04-2012 |
20120241575 | SYSTEM FOR SUPPORTING AN EVAPORABLE GETTER OR VACUUM GAUGE - System for supporting an evaporable getter, which can be installed in any type of solar power receiving tube and which is mounted using a method that is much more automated than that used until now. Unlike the known prior art, this system consists of a clip-type supporting element having a substantially thin profile and an S-shaped base, the upper part thereof including a ring in which the pellet of evaporable getter is housed. Said pellet is supported by the pins of the supporting element, dispensing with the need for an additional contact part in order to secure the pellet. The clip is secured to the bellows-type expansion compensator, such that it remains inside the vacuum zone of the solar power receiving tube. | 09-27-2012 |
20120240978 | HIGH-CONCENTRATION PHOTOVOLTAIC SOLAR MODULE - A high-concentration photovoltaic solar module is formed by a casing ( | 09-27-2012 |
20120176695 | STRUCTURE FOR LIFTING AND MOUNTING HELIOSTATS AND TROLLEY FOR MOVING SAID HELIOSTAT - It allows lifting the heliostat in the warehouse and placing it on the cart, and once it reaches the installation spot in the field, the lifting structure is used to lift the heliostat from the cart and place it on a previously installed pedestal. The structure formed by an upper arch and two lower bases, being the upper arch, comprised at the same time by a central, elongated and horizontal profile, which presents two lateral profiles on its ends, from which vertical plates start at the bottom, provided with a hole in the proximity of its lower ends, through which the upper arch ( | 07-12-2012 |
20120175323 | SHELVING FOR SAFE TRANSPORTATION OF CONCENTRATION SOLAR PANELS - The invention comprises a frame ( | 07-12-2012 |
20120174912 | FRAME FOR SUPPORTING AND CALIBRATING A PEDESTAL, PREFERABLY FOR A HELIOSTAT - It facilitates the foundation and assembling of the pedestal ( | 07-12-2012 |
20120152317 | HIGH CONCENTRATION PHOTOVOLTAIC MODULE - A high concentration photovoltaic module, including a plurality of Fresnel concentrating lenses, serving as lenses for solar radiation concentration, which form a group or array arranged on a “V” shaped structure, which reduces the amount of air contained therein, thus minimizing effects of moisture on active elements of the system, attached by a sealed attachment mechanism, and wherein, at the base, there are a plurality of predetermined cavities each of which house a photovoltaic receiver including at least one photovoltaic cell on which a secondary optical element is placed, improving acceptance angle, thus multiplying electric energy generation capacity of the photovoltaic cells and durability thereof, and includes side parts screwed to the structure which minimize torsion stress caused by attachment to the tracker. | 06-21-2012 |
20120152281 | CLEANING VEHICLE AND METHOD FOR PARABOLIC TROUGH SOLAR COLLECTORS - A vehicle and method for cleaning parabolic trough solar collectors ( | 06-21-2012 |
20120144651 | SYSTEM FOR MANUFACTURING FACETS FOR HELIOSTATS - System for manufacturing facets comprising a frame, a series of mirrors and multiple securing parts in which said parts are the key to the invention and are formed by a rod and a circular metal sheet provided with a series of small circular perforations, where the rod and the circular sheet are attached by electric arc welding or any other means that ensures an equivalent fixation and the purpose of which is to secure a curved mirror to the rear structure or frame of a heliostat, thereby forming the so-called facet. | 06-14-2012 |
20120138849 | COMPOSITE MATERIAL FOR STORING HEAT ENERGY AT HIGH TEMPERATURES - Composite material for storing heat energy at high temperatures (225° C. to 488° C.) formed by a porous carbon structure at least partially filled with LiOH/KOH, wherein a large amount of heat energy may be stored or released very quickly. The carbon structure is characterised by a high volumetric thermal conductivity, a low density, a highly interconnected porosity and a relatively high modulus of elasticity. The significant properties of LiOH/KOH mixtures are: a large amount of energy involved in full melting/crystallisation, a fairly low relative volume expansion upon melting and fairly low subcooling. The main advantages of the resulting composites are a very high energy density, a relatively low volume expansion, highly enhanced heat transfer, thermoadaptability, stability and insignificant hysteresis. | 06-07-2012 |
20120132403 | METHOD FOR THE NATURAL-DRAUGHT COOLING OF A SOLAR CONCENTRATION PLANT - Method for the natural-draught cooling of a high-concentration thermoelectric solar plant that includes a central receiver or tower with a heliostat field, wherein the tower is used as a natural-draught cooling tower. | 05-31-2012 |
20120132193 | TOWER FOR A SOLAR CONCENTRATION PLANT WITH NATURAL DRAUGHT COOLING - Solar concentration plant placed on tower technology wherein the tower is used not only to equate the receiver devices at great height but also as a natural-draft cooling system. The tower is hollow and has a hyperboloid. structure that may exceed 200 m in height, accommodating devices for receiving saturated or superheated steam in cavities with different orientations. There is a dynamic control for adapting the heliostat field so that the heliostats can be focussed on different focal points for producing electricity, producing process heat, producing solar fuels or for application to thermochemical processes. | 05-31-2012 |
20120131915 | SYSTEM AND METHOD FOR ACCUMULATING STEAM IN TANKS FOR SOLAR USE - System and method for accumulating steam in tanks for solar use made up of two sets of Ruths tanks ( | 05-31-2012 |
20120125319 | SUPERHEATED STEAM SOLAR RECEIVER - Superheated steam tower receiver with a well-defined configuration that benefits the transfer of heat between the surface of the component and the working fluid. Composed of at least four subpanels that define the circulation circuit for the steam by means of internal passages. The component is provided with saturated steam and for the production of said steam it is possible to use other solar concentrator technology. The proposed configuration minimizes the technological risks inherent in superheated steam receiver technology where drawbacks arise in the structure of the material owing to the thermal cycles to which the solar component is subjected. | 05-24-2012 |
20120125000 | SOLAR CONCENTRATOR PLANT USING NATURAL-DRAUGHT TOWER TECHNOLOGY AND OPERATING METHOD - Solar concentrator plant using natural-draught tower technology, in which the tower is, in turn, used as cooling system. The tower houses saturated or superheated steam receivers in cavities with different orientations, with adaptive dynamic control of the heliostat field in order to direct said receivers towards different focusing points, for the production of electricity, process heat or solar fuels or for use in thermochemical processes. | 05-24-2012 |
20120103187 | PHOTOVOLTAIC MODULE DEHUMIDIFIER - Dehumidifier for photovoltaic modules, of a series of photovoltaic concentration modules, formed by a common air inlet and outlet access that communicates all the modules, and which passes through a bed of moisture absorbing material, having an electrical self-adjusted resistance ( | 05-03-2012 |
20120096859 | AIR- AND STEAM-TECHNOLOGY COMBINED SOLAR PLANT - Air- and steam-technology combined solar plant for use in the fields of electricity production, process heat, and solar fuels, as well as thermo-chemical processes, produced from the combination of a non-pressurised-air solar receptor, a saturated-steam solar receptor and a heat exchanger separate from the solar input that is used to produce overheated steam. | 04-26-2012 |
20120090323 | Solar concentration plant for the production of superheated steam - A solar concentration plant which uses water/steam as a fluid, in any thermodynamic cycle for the exploitation of process heat, comprising an evaporation subsystem, where saturated steam is produced, a superheater subsystem through which the steam reaches the required conditions of pressure and temperature at the turbine inlet, and an attemperation system interconnected by a drum. A field of heliostats is pointed towards either of the subsystems (evaporator or superheater), in such a way to control both the pressure within the drum and the outlet temperature of the superheated steam. | 04-19-2012 |
20120080027 | SOLAR RECEIVER WITH NATURAL CIRCULATION FOR GENERATING SATURATED STEAM - The invention relates to a solar receiver with natural circulation for generating saturated steam, which uses water/steam as a heat-transfer fluid and includes a combined circuit for fluid recirculation (forced circulation and natural circulation). The system comprises: water-walls which receive the radiation on the surface thereof and inside which the working fluid changes phase; riser pipes through which the water/steam mix exiting the pipes of the receiver rises towards the boiler; downpipes through which the recirculation water descends from the boiler to the receiver; and a support pump in order to increase the incident power in the receiver and start up the plant when necessary. | 04-05-2012 |
20120057324 | VARIABLE-SPECTRUM SOLAR SIMULATOR - The invention relates to a variable-spectrum solar simulator for characterising photovoltaic systems. The simulator can be used to obtain a spectrum adjusted to the solar spectrum, both for a standard spectrum or a real spectrum adjusted to local irradiation conditions. The simulator also allows the spatial-angular characteristics of the sun to be reproduced. The invention comprises: a broad-spectrum light source, the flux from which is emitted through an aperture; an optical system which collimates the primary source; a system which disperses the beam chromatically; an optical system which forms an image of the dispersed primary source at a given position, at which a spatial mask is placed in order to filter the received irradiance spectrally; an optical system which captures the filtered spectrum and returns, mixes and concentrates same in a secondary source with the desired spectral, angular, and spatial characteristics; an optical system which collimates the secondary source such that it reproduces the angular characteristics of the sun; and a control system. | 03-08-2012 |
20110289921 | FLAG-SHAPED HEAT EXCHANGER - The present invention relates to a heat exchanger configured to capture energy by radiation, comprising at least one flag-shaped basic exchanger ( | 12-01-2011 |
20110249326 | SELECTIVE SOLAR ABSORBENT COATING AND MANUFACTURING METHOD - Selective solar absorbent coating and manufacturing method, with solar absorption and low emissivity properties. The coating comprises a substrate ( | 10-13-2011 |
20110062707 | SEALED MECHANICAL CONNECTION BETWEEN GLASS AND METAL FOR RECEIVER TUBES USED IN SOLAR PLANTS - The invention relates to a sealed mechanical connection between glass and metal for receiver tubes used in solar plants of the type using a heat-transfer fluid, which uses a mechanical force in order to establish the seal between the inner metal tubes and the outer glass tubes, between which tubes a high vacuum is established in order to prevent heat losses. According to the invention, a flexible, deformable metal joint is used for the above-mentioned seal, which joint, when duly compressed, adapts to the corresponding surfaces of the tubes to be sealed, thereby establishing the seal between the respective tubes. In addition, the invention can include a continuous system for maintaining the necessary vacuum between both types of tubes. | 03-17-2011 |
20110005577 | LOW CONCENTRATION SOLAR PLANT AND METHOD FOR MAXIMIZING THE ELECTRICITY PRODUCTION OF THE PHOTOVOLTAIC MODULES THEREOF - Low concentration solar plant and method for maximizing the electricity production of the photovoltaic modules thereof, that uses a combination of tracking and low concentration solar technologies for maximizing the electricity production of conventional photovoltaic modules, the system used to protect the modules being any method designed to protect photovoltaic modules from the damage they may suffer when subjected to very high intensity solar radiation. Preferably, to avoid possible damage, the invention proposes a temperature measurement and/or control system that assists a mechanism for defocusing the photovoltaic modules when said radiation reaches a predetermined level. The invention is applicable to photovoltaic solar electricity production. | 01-13-2011 |
20100116336 | Light Collection and Concentration System - A light collection and concentration system includes a primary light concentrator, a light transport structure, and a light directing structure optically associated with the primary light concentrator. The system may include an optional secondary light concentrator. Each unit-system includes a plurality of the primary light concentrators and a respective plurality of the light directing structures, and only a single light transport structure. A photo-voltaic (PV) cell may advantageously be associated with each unit-system. Solar radiation is focused by the primary concentrators onto respective light directing structures incorporated in a low aspect ratio, sheet-type waveguide light transport structure. Each respective light directing structure intercepts the focused light and deflects it transversely to travel along the length of the light transport structure primarily via total internal reflection (TIR) towards an exit-end of the light transport structure, where it can be input to the PV cell. The optional secondary light concentrator may further concentrate the light out-coupled from the transport structure into the PV cell. | 05-13-2010 |
20100116319 | LIGHT COLLECTION AND CONCENTRATION SYSTEM - A light collection and concentration system includes a primary light concentrator, a light transport structure, and a light directing structure optically associated with the primary light concentrator. The system may include an optional secondary light concentrator. Each unit-system includes a plurality of the primary light concentrators and a respective plurality of the light directing structures, and only a single light transport structure. A photo-voltaic (PV) cell may advantageously be associated with each unit-system. Solar radiation is focused by the primary concentrators onto respective light directing structures incorporated in a low aspect ratio, sheet-type waveguide light transport structure. Each respective light directing structure intercepts the focused light and deflects it transversely to travel along the length of the light transport structure primarily via total internal reflection (TIR) towards an exit-end of the light transport structure, where it can be input to the PV cell. The optional secondary light concentrator may further concentrate the light out-coupled from the transport structure into the PV cell. | 05-13-2010 |
20080302314 | Solar concentration plant for the production of superheated steam - A solar concentration plant which uses water/steam as a heat-carrying fluid, in any thermodynamic cycle or system for the exploitation of process heat, which is comprised of an evaporation subsystem, where saturated steam is produced under the conditions of pressure of the system, and a superheater subsystem through which the steam reaches the required conditions of pressure and temperature at the turbine inlet, and in which an attemperation system ( | 12-11-2008 |