A solar radiation panel that has inlet and outlet collectors and a series of conduits that run from the inlet collector to the outlet collector. A working fluid that is heated by solar radiation flows inside the conduits. The panel is a single piece and includes an upper layer, at least one intermediate layer, and a lower layer. The upper layer receives the solar radiation. The at least one intermediate layer is located under the upper layer, and contains the conduits through which the working fluid flows. The lower layer is located under the intermediate layer, and the working fluid inlet and outlet collectors are coupled in said lower layer. The working fluid that is heated in the panel subsequently proceeds to a combustion engine that produces electricity by means of an alternator.

The present disclosure provides a solar heat absorber including: an inlet through which a heat collecting medium enters the solar heat absorber; a passage member configured to be fluidly connected with the inlet such that the heat collecting medium enters the passage member through the inlet; and a collection member configured to be fluidly connected with the passage member such that the heat collecting medium enters the collection member through the passage member. In the solar heat absorber according to the present disclosure, the ceramic particles are used as the heat collecting medium. In addition, the present disclosure also provides a solar heat collecting system including the solar heat absorber, and a solar power generation system including the solar heat collecting system.

A liquid-gas heat exchanger for use in a heat exchange system using solar energy has an insulated chamber adapted to allow hot air to pass therethrough. A coil member extends through the insulated chamber and is adapted to allow a heat transfer liquid to pass into and then out of the insulated chamber. The spacing between the windings of the coil are predefined and the coil is in a predetermined position inside the insulated chamber, so as to force the air to pass in between the coil windings and increase the air contact with the coil and provide a large heat exchange. Several baffle members are placed each side of the coil member and an interior area of the insulated chamber and force air to circulate multiple times through the coil member, thereby allowing for an efficient exchange from the hot air to the heat transfer liquid. The insulated containe contains the heat exchanger which is comprised of a plurality of chambers, wherein each the plurality of chambers has a repeating pattern of shapes wherein each of the chamber of th plurality of chambers consists of one deflector which deflector being opposite to another deflector, which other deflector is a mirror image of its opposite deflector but shifted approximately half a the wall length. Each of the deflectors is defined by a specific sequence of components starting with a rounded wall from which extends a shear barrier and the wall is terminated by a diverter.

A concentrated solar power generation system includes a movable platform having a groove, a Fresnel lens located in the groove of the movable platform, a header located below the Fresnel lens, a plurality of heat collection tubes arranged in a circular array, a reflector with a tapered surface, and a support base. The header has a water circulation pipe, an inlet pipe and an outlet pipe. The inlet pipe and the outlet pipe each are communicated to the water circulation pipe. A lower end of each of the heat collection tubes is fixed on the support seat, and an upper end of each of the heat collection tubes contacts the water circulation pipe. The reflector is mounted on the support base and located in a space enclosed by the heat collection tubes.

A heat collector device is provided. The heat collector includes an exterior surface exposed to an environment, and an interior surface. Side walls separate the exterior and interior surfaces. A heat insulation interposes the exterior and interior surfaces. Each hot air duct includes a first portion interfacing with the external surface and a second portion interfacing with the heat insulation. Each cold air duct is encompassed by the heat insulation. A first chamber formed by a first side wall provides fluidic communication between the air ducts at a first end portion of each respective duct. A second chamber formed by a second side wall provides fluidic communication between the air ducts at a second end portion of each respective duct. A heat exchange mechanism disposed in the second chamber removes heat from a first fluidic medium of the air ducts, the first chamber, and the second chamber.

A portable solar powered pool heater comprising a housing, a hose, a controller, a solar panel and at least one leg having a first position for supporting the housing above a surface, and a second position disposed inside of the housing. This heater can include a hinge, wherein the leg comprises a leg that is coupled to the housing via the hinge. In one embodiment the leg comprises a telescoping leg having a first leg, and a second leg wherein said second leg is telescoping inside of the first leg.

A curved surface absorber type solar fluid heater having radially spaced curved surfaces, preferably hemispherical and closed at bottom periphery, defining a closed chamber termed as collector which receives a fluid to be heated. The curved surface absorber type solar fluid heater encompasses two radially spaced transparent curved surfaces preferably hemispherical, closed at bottom periphery, placed over collector termed as a glazing, and an insulated hemispherical hot fluid tank, placed within the cavity of inner curved surface of the collector and bottom insulation. A plurality of plumbing connections is made between the collector and the hot fluid tank with arrangement of non-return valves to prevent backflow of fluid from hot fluid tank towards the collector. An air vent is located at the highest position of the collector. A drain plug is located at a lowest position on the collector.

Solar receivers including a plurality of multi-scale solar absorbing surfaces arranged such that light or heat reflected from or emitted from one or more of the plurality of solar absorbing surfaces impinges one or more other solar absorbing surfaces of the solar receiver. The disclosed receivers increase the amount of absorbed energy from a concentrated light source, such as a heliostat field, and reduce radiative and convective heat losses.

A system for producing electricity from solar energy is provided. The system includes a window pan for installing on building such that solar radiation impinges thereon, a heat receiving element coupled to the window pan and being configured to receive heat from the solar radiation. The system further includes a gas line thermally coupled to the heat receiving element with a heat transferring member the gas line having a liquid gas being configured to evaporate by the heat generated by the heat receiving element and to increase thereby pressure in the gas line. The system further includes a turbine having a rotor configured to convert rotating motion to electricity, the turbine being configured to receive evaporated gas from the gas line and the evaporated gas is configured to rotate the motor.

The present invention relates to a method of manufacturing a cooling device using a heat pipe in which, using casting, the heat pipe is embedded inside a housing, and the method includes a filling step in which a predetermined support member is filled inside a pipe to prevent deformation of the pipe by a pressure of a melt being injected into a cavity of a mold that is closeable, a pipe seating step in which the pipe filled with the predetermined support member is seated in the cavity, a melt injecting step in which the melt is injected into the cavity to surround the pipe, a cooling and withdrawing step in which the injected melt is cooled and a molded product is withdrawn, an injecting step in which a working fluid is injected into the pipe through an injection end, and a finishing step in which, after the injecting step, the pipe is sealed.