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| Number | Title | Issue Date |
| 8042534 | Solar servo control tracking device A solar servo control tracking device is disclosed. The device includes: an integrated control device having a solar cell sensor unit detecting luminance at a solar azimuth, and an integrated control panel transmitting a control signal at a maximal solar azimuth, ca... | 10/25/2011 |
| 7338178 | Interstellar light collector Devices and methods that collect, concentrate, and disperse celestial light into spectra of different wavelengths by utilizing a large collection mirror and a means for dispersion located at a focal point. ... | 03/04/2008 |
| 7309926 | Solar-powered pumping device A solar-powered pumping device comprising: a solar power converter for generating power from sunlight; a pump driven by power from said solar power converter; an actuator for controlling the orient... | 12/18/2007 |
| 7299633 | Solar dish concentrator with a molten salt receiver incorporating thermal energy storage A solar power system capable of storing heat energy and converting sun light to electrical power. The solar power system includes a solar collection system which gathers and transmits concentrated solar energy to an absorber/cavity. The thermal energy is extracted f... | 11/27/2007 |
| 7287380 | Heat system utilizing solar energy A heat system utilizing solar energy is disclosed herein, which includes at least one solar panel, an energy control unit, a temperature control device, at least one heat-radiating element, and at least one storage cell. The solar panel collects solar energy and tra... | 10/30/2007 |
| 7252084 | Solar tracking system A solar tracking system has a first set of solar heat gain transducers (700) that produce respective first output signals to drive a reversible first motor (300) for changing a vertical angle of a solar collector (200); and a second set of solar... | 08/07/2007 |
| 7213931 | Method for reflecting radiation emanating from a source A method for effecting solar radiation in space prior to the solar radiation reaching Earth. The method includes the steps of choosing a location between the Earth and the sun, focusing reflected solar radiation from two reflectors upon the location, monitoring sola... | 05/08/2007 |
| 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, a second element adapted to form an image of the receiver, and a det... | 04/24/2007 |
| 7192146 | Solar concentrator array with grouped adjustable elements A ground-based tracking heliostat array comprises a first plurality of elongate row mounts. The elongate row mounts are positioned at least partially between, and are supported by, a first side bracket and a second side bracket. The row mounts are rotatable in a fir... | 03/20/2007 |
| 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 collector for collecting solar radiation and directing the radiation towards... | 09/19/2006 |
| 7000608 | Solar energy system A solar plant with at least two solar units (10xx) where each of the solar units (10xx) comprises a securing device (12) and a swivel-located supporting structure (14) mounted on it, on which solar modules and/or solar collectors (16 | 02/21/2006 |
| 6979911 | Method and apparatus for solar power conversion A solar power conversion system using a plurality of engines to convert solar energy to electrical energy. The plurality of engines are supported adjacent to a housing having a single thermal cavity. The cavity is provided with solar energy from a solar collector. E... | 12/27/2005 |
| 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 a support plane and which is provided with a receiver arranged in op... | 10/11/2005 |
| 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 assemblies for vertical movement along the plurality of tower as... | 03/18/2003 |
| 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 flux input to the solar receiver. The control system includes... | 09/03/2002 |
| 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 absorbing segment of a tube which carries a heat transfer ... | 04/02/2002 |
| 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 assembly coupled to the solar dish by a support pole extend... | 01/08/2002 |
| 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 parallel to a floor surface on which the apparatus is inst... | 09/11/2001 |
| 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 axle. The solar cell is arranged on the rotary axle in such ... | 07/18/2000 |
| 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 first turning axes. Each of a pair of push-pull cables 54 ... | 06/27/2000 |
| 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 having an optical deflection characteristic which varies as a... | 02/15/2000 |
| 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 heliostat having a concave mirror 13 for reflecting and con... | 11/09/1999 |
| 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 selectively distributing air to localized areas of the vehi... | 09/28/1999 |
| 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 respect to a selected zone in a target plane (P). The control... | 01/26/1999 |
| 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) recording the light reflected by the reflector (3) has its optic... | 01/19/1999 |
| 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 straight line of concentration. The directing reflectors, being... | 12/22/1998 |
| 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 measurable variable which reliably characterizes the alignme... | 04/01/1997 |
| 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 collector tubes are disposed below the cover and between a di... | 07/02/1996 |
| 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 generator mounted on the latitude lever. The 180 degree×90 degre... | 04/30/1996 |
| 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 generally upward facing direction relative to the earth with the f... | 10/19/1993 |
| 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 assembly includes multiple planar reflector panels each exte... | 11/28/1989 |
| 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 gaps and running parallel to the longitudinal axis. In ord... | 06/27/1989 |
| 4809675 | Solar ray collecting device A solar ray collecting device comprises a light ray collecting device and a light ray reflecting device. The light ray collecting device comprises an optical lens and an optical conductor cable which has a light-receiving end placed at the light-focusing ... | 03/07/1989 |
| 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 plurality of trough-like shadow boxes which permit exposure of... | 03/17/1987 |
| 4649900 | Solar tracking system A solar energy conversion apparatus which includes a reflective parabolic trough which tracks the sun the control means therefor being such that the trough rotates about a north-south axis alternately to east and west extreme positions until the driving m... | 03/17/1987 |
| 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 around the conduit. A tracking apparatus is provided to rota... | 12/30/1986 |
| 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 tracks the sun and passes maximum light. A room sensor circ... | 11/11/1986 |
| 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 incorporating a drive mechanism for rotating the reflecto... | 05/06/1986 |
| 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 molded or formed of plastics or metals. The drive motor m... | 12/24/1985 |
| 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 proper elevational and azimuthal orientation of the heliostat... | 05/28/1985 |
