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7607427 Solar tracking device with springs  
A solar tracking device for overcoming the disadvantages of a conventional solar energy system utilizing motors and to lower electricity consumption and decrease cost is provided. The device...
7207327 Feedback control method for a heliostat  
An instrument for a solar energy system including a receiver and a heliostat to reflect solar energy on to the receiver. The instrument includes a first element adapted to form an image of the sun,...
7109461 Solar tracking system  
The invention provides a solar tracking system for controlling the alignment of an instrument with respect to the sun, the instrument having a solar radiation receiver and a solar radiation...
6953038 Concentrating solar energy system  
A concentrating solar energy system with a reflector having a specularly reflecting inner side and realized as a parabolic mirror with two axis steering which is carried by a base frame arranged in...
6532953 Geometric dome stowable tower reflector  
A geodome tower reflector for a beam down optics solar power system has three equidistantly spaced tower assemblies. A geodome reflector assembly is movably mounted to the plurality of tower...
6442937 Solar receiver adaptive tracking control  
A solar power system having a solar concentrator for concentrating solar energy, a receiver for converting the solar energy into another form of energy, and a control system for controlling the...
6363928 Solar collection system  
The solar tracking mechanism is utilized in connection with a solar energy collection system. The collection system includes a light reflective shell shaped to focus solar radiation on a radiation...
6336452 Solar powered fluid heating system  
A solar powered fluid heating system for providing a user with a cost and energy saving advantage when heating fluids includes a solar dish which includes a mirrored concave surface. A power head...
6286504 Apparatus for capturing light energy  
An apparatus for capturing solar radiation of tracking type including a matrix array of a number of light receptors is disclosed. A first set of four shafts are disposed parallel to each other and...
6089224 Apparatus for orientation of solar radiation collectors  
An apparatus for orientation of solar radiation collectors includes one or more solar cells fixed to a rotary axle of the apparatus and connected directly to an electromotor joined with a rotary...
6079408 Sun-ray tracking system  
A plurality of sun-ray collecting units connected to one another by parallel links and arranged in rows on first turning axes are supported on a pair of turning frames that can be turned about the...
6025583 Concentrating heliostat for solar lighting applications  
An optical system for variably re-directing light (preferably sunlight) which passes through an input aperture. The input aperture is covered with a flexible optical film such as a Fresnel lens...
5979438 Sunlight collecting system  
A sunlight collecting system comprises an oval mirror 1 directed downwardly and provided at a given elevation, and a plurality of heliostats 5 arranged on the ground about the oval mirror 1, each...
5957375 Sunload sensor for automatic climate control systems  
A dual zone climate control system having a sensor capable of sensing solar radiation or sunload entering different localized areas of a vehicle cabin incorporated with a climate control unit for...
5862799 Control of a heliostat field in a solar energy plant  
Control of a heliostat field (1) in a solar energy plant is provided with a system (6) which controls the alignment of heliostat mirrors (2) in a controlled area of the heliostat field (1) with...
5861947 Measuring device for measuring concentrated radiation of light  
Measuring device (1) for measuring concentrated radiation of light with a reflector (3) arranged in an inclined manner being transversely movable through the incident light (4). A camera (2)...
5851309 Directing and concentrating solar energy collectors  
A directing and concentrating solar energy collector with a concentrating reflector and one or more cooperating directing reflectors concentrates solar radiation to a substantially narrow and...
5616913 Device for concentrating solar radiation  
Solar radiation is concentrated onto an absorber which includes a concentrator element. The concentrator element concentrates incident solar radiation in a focal spot on the absorber to obtain a...
5531215 Device for absorbing radiant heat energy  
A device for absorbing heat energy, in particular a solar panel, includes a housing in the form of a frame-shaped rack. The housing has a cover which allows the radiant energy to enter. Several...
5512742 Solar energy and tracking system  
A 180 degree×90 degree solar tracking system using two sensors for tracking the sun from sunrise to sunset. A parabolic collector rigidly plumbed to a steam engine which drives an electric...
5253637 Hyperfocal tracking solar thermal collector  
A solar thermal collector incorporates an extended reflector surface constructed to concentrate radiation from a radiation source along a focal line. The reflector surface is oriented in a...
4883340 Solar lighting reflector apparatus having slatted mirrors and improved tracker  
A solar lighting apparatus for illuminating the interior of a roofed building includes a reflector assembly rotatable about a vertical axis for tracking daily movements of the sun. The reflector...
4841672 Device for protection from the sun  
A solar protection device includes slats of refractive material rotatable about a longitudinal axis, having an even, flat upper side and having on their lower side prisms arranged serially without...
4649899 Solar tracker  
Apparatus for tracking the apparent motion of the sun utilizes a plurality of solar cells to generate an electrical signal when exposed to solar radiation. The solar cells are mounted inside a...
4632091 Solar energy collector apparatus and method  
The solar energy collecting invention uses a frame to position a conduit for carrying fluid to receive solar energy reflected from a reflector also supported by the frame, for rotatable movement...
4622470 Shutter control system  
A skylight shutter is driven by a battery-powered d.c. motor through transistor switches operated by Schmitt triggers. A sun sensor circuit generates a first shutter control signal so the shutter...
4586488 Reflective solar tracking system  
A reflective solar tracking system of the type arranged to reflect light rays from the sun onto a remote solar energy collector is described. The system comprises a reflector mounted on an assembly...
4559926 Centerless-drive solar collector system  
A parabolic-trough solar collector system is disclosed, with each collector driven to track the sun using a ring driven in centerless fashion. The parabolic troughs are made of laminated plywood or...
4519382 Control system for heliostats and method  
A control system and method for a heliostat or a system of heliostats which operates to maintain the sunbeam properly centered with respect to an associated tracking head and tracks the sun for...
4509500 Solar energy collection apparatus  
A solar ray collection apparatus includes a capsule and a solar ray collector housed in the capsule. The solar ray collector is controlled to chase the sun in response to an output of a...
4491125 Solar collector  
A solar collector comprising a hemisphere (111) having a reflector internal surface; a caustical concentrator (116) located at the focus of the hemisphere (111) and having a concentrated second...
4484565 Device for sensing moving light source  
A device for chasing a moving light source includes a plurality of photosensors arranged in elaborated positions for accurate operation. A top plate is formed with a calibrated cruciform opening to...
4476853 Solar energy recovery system  
A solar tracking system for a sun sensitive system such as a solar energy generating unit is described. Means for tracking the sun in bright sunlight and in cloudy conditions having a sun sensing...
4467787 Static solar tracking mechanism  
A solar tracking mechanism utilizes a semicircle collector trough body having an inner concave surface having a focal point at the center of the circle defined by the uppermost flat surface of the...
4445030 Tracking arrangement for a solar energy collecting system  
A solar energy collecting system of the tracking type is disclosed herein and includes at least one but preferably a plurality of solar panels mounted for movement along respective predetermined...
4442348 Solar tracking apparatus for a gimbaled body  
A solar tracking device is disclosed for detecting incident solar radiation and providing a means for orienting a gimbaled body relative to the solar radiation. The tracking apparatus is...
4440150 Heliostat control  
An improvement in a system and method of controlling heliostat in which the heliostat is operable in azimuth and elevation by respective stepper motors and including the respective steps or means...
4424802 Pneumatic drive for solar concentrators  
A method and apparatus for driving an array or large field of solar concentrators (10) by means of pneumatic pulses of compressed air such that it tracks the movement of the sun (14) across the sky...
4424801 Solar direction sensor  
The solar direction sensor disclosed a solar direction sensor which is mounted on an apparatus for collecting solar energy by precisely following the movement of the sun. The solar direction sensor...
4365617 Solar energy heating system  
The invention basically includes a movable base which contains a plurality of hyperbolic mirror reflectors having their axis directed upwardly towards an absorber plate and which is directed upon...
4354484 Solar collection system  
A solar energy collection system for receiving and collecting a concentrated supply of available energy from the sun includes a reflector having an internal structural frame covered by a thin...
4334521 Solar energy system  
Solar energy system incorporating a dirigible motor-driven collector and an electronic sensor for turning the collector to follow the sun. The collector is turned progressively during the day to...
RE30960 Central receiver solar collector using mechanically linked mirrors  
A solar collector having a central radiation receiver and a field of mirrors which are mechanically linked to track the sun and reflect solar radiation onto the radiation receiver. A rigid...
4332239 Sun powered automatic sun following reflector  
A solar ray reflector of semi-hemispherical form is joined at its periphery to one end of a short rigid cylindrical support member fixed to trunnion tubes extending through diametrically opposite...
4332238 Solar tracking system  
A solar energy collector and utilization system of the type having a movably mounted collector for reflectively concentrating solar radiation into a focal point that impinges on an energy absorber...
4325788 Distillation apparatus with solar tracker  
A solar distillation unit is disclosed capable of operating entirely off solar radiation and intended for large scale industrial use offshore. A lens focusing system housed within an enclosed shell...
4315500 Collection of solar energy  
Apparatus for collecting solar energy comprises one or more solar energy collectors attached to a frame which floats on a pool of water, and means for orienting the frame relative to the azimuthal...
4300533 Design of hydraulic circuits for the automatic operation of heliostats  
The present invention relates to automatic thermal/hydraulic logic system for continuously positioning a heliostat in alignment with the sun in both the horizontal and vertical planes. Solar...
4296737 Parabolic trough concentrating solar collector  
A concentrating solar collector includes a radiation reflective surface having the configuration of a paraboloid of translation, the axial extent of the paraboloid being the portion between the...
4296731 Tracking booster and multiple mirror concentrator floating collector  
A water-borne tracking solar energy collecting and converting system employing booster and multiple mirror concentrator collectors for concentrating sunlight on either photovoltaic cells and/or...
Matches 1 - 50 out of 74 1 2 >