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| Number | Title | Issue Date |
| 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 |
| 4542737 | Combined pressurized air solar heat sensing head assembly and a pressurized water drive system used to move solar energy collectors in tracking the sun In moving solar energy collectors to track the sun, there are combined: a pressurized air solar heat sensing head assembly, utilizing compressed air in adjacent and opposing chambers, each chamber having a flexible diaphragm closely contacting an actuator of a... | 09/24/1985 |
| 4396006 | Solar powered, solar aiming device A solar powered, solar aiming device pivotally mounted on a base 40 uses a pair of separate solar sensor panels 11 and 12 that are insulated from each other and oriented at an angle to each other. Hydraulics angularly pivot the sensor panels relative to t... | 08/02/1983 |
| 4351319 | Radiant energy tracker Apparatus for maintaining a radiation sensitive portion thereof in alignment with a distant source of radiation during relative movement between the situs of the apparatus and the source, wherein movement from alignment causes a differential in energy out... | 09/28/1982 |
| 4306541 | Solar energy powered sun tracking device A solar powered tracking device for controlling radiation exposure of surfaces, wherein solar radiation increases the vapor pressure of a liquid in a sensing device and the vapor pressure acts on opposed pneumatic cylinders to produce mechanical movement ... | 12/22/1981 |
| 4262654 | Solar-energy-powered sun tracker Apparatus for following the sun using the sun's radiant energy to heat a fluid-containing sensor to create a pressure which is used to rotate the apparatus against a spring force provided by an expansion bellows. The sunlight is permitted to strike the se... | 04/21/1981 |
| 4185615 | Solar collector structure The solar collector structure includes a solar collector for deriving heat from the sun for useful heating purposes. The collector structure is pivotally mounted and means are provided to pivot the structure during daylight hours to follow the sun and rec... | 01/29/1980 |
| 4175540 | Solar energy collector A radiation concentrating solar energy collector and a dual axis tracking support system which positions collector units to receive the maximum incident solar radiation are disclosed. A system of pressurized air is utilized as a multiple function medium w... | 11/27/1979 |
| 4055161 | Solar energy collector and sun tracking concentrator Automatic tracking of a source of radiant energy to pivotally displace an energy collector panel assembly for optimum concentration of the radiant energy absorbed. Changes in magnitude and/or location of the source relative to the collector produces a cha... | 10/25/1977 |
| 4033676 | Pressure-shaped reflector apparatus A pressure-shaped reflector apparatus is provided for collecting and concentrating electromagnetic radiation waves and the like. The apparatus can be used, among other things, for concentrating solar radiation waves to provide an alternate source of energ... | 07/05/1977 |
| 3982526 | Turning collectors for solar radiation A device is provided for turning a solar collector about the polar axis so that the collector is directed toward the sun as the sun tracks the sky each day. It includes two heat-expansive elements and a shadow plate. In the morning a first expansive eleme... | 09/28/1976 |
