"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7143762 | Method and apparatus for solar collector with integral stagnation temperature control This invention relates to a method and apparatus for a solar collector having intergral control of the the maximum temperature that it can reach, thereby avoiding excessive stagnation temperatures in the collector. In one embodiment, a solar collector comprises a to... | 12/05/2006 |
| 6912816 | Structurally integrated solar collector A structurally integrated solar collector. Roof and wall covering components are integrated with solar collectors to permit solar energy to be converted to heat, electricity and hot water for use within a building. A roof truss is described that additionally capture... | 07/05/2005 |
| 6763826 | Solar water heater A solar water heater is provided. The heater features heat control so that a maximum temperature is automatically controlled. The heater is insulated to maintain a water temperature of water stored therein for long periods of time. The heater includes an insulated l... | 07/20/2004 |
| 6708687 | Thermally controlled solar reflector facet with heat recovery A method and high concentration central receiver system provide improved reflectors and a unique heat removal system. The central receiver has a plurality of interconnected reflectors coupled to a tower structure at a predetermined height above ground for reflecting... | 03/23/2004 |
| 6688303 | Method and system for controlling operation of an energy conversion device A method and system is described for controlling a solar collector. A microprocessor receives inputs from one or more sensors in the system and determines the level of operation of an energy conversion device. If the level of operation reaches a predeterm... | 02/10/2004 |
| 5531216 | Solar energy concentrating system having an automatic safety means The present invention relates to an improved moveable-collector, solar energy concentrating system incorporating an automatic safety means. In the present invention, if there is a failure in a solar-heated fluid transfer system, a failure in the positioni... | 07/02/1996 |
| 5404867 | Solar collector venting system A solar collector venting system comprising a lower frame member with vents which allow the entrance of cooling air when high collector stagnation temperatures occur communicating with the natural downward thermal bowing of a two walled plastic glazing ca... | 04/11/1995 |
| 5327293 | Reflection mirror apparatus The reflection mirror apparatus of this invention, which can be applied to light projector, sterilizing lamp and development device, improves the light reflection precision and the light collecting performance, making it possible to clearly focus the refl... | 07/05/1994 |
| 5323271 | Water- and air-cooled reflection mirror The water- and air-cooled reflection mirror of this invention, which can be applied to light projector, sterilizing lamp and development device, cools with water and air the reflection mirror that is heated by intense heat of the light source. The water f... | 06/21/1994 |
| 5241950 | Heat pipe device A heat pipe containing a working fluid, comprises an evaporator, a condenser, an interconnecting tube joining the evaporator and the condenser, and a regulating means for limiting the maximum temperature in the condenser to a predetermined temperature. Th... | 09/07/1993 |
| 4637376 | High efficiency solar heater A heating chamber is defined by canted side walls in inverse pyramidal configuration, the base of the pyramid being open for admission of sunlight and the tip of the pyramid being truncated by a bottom plane. The chamber is adapted to positioning with the... | 01/20/1987 |
| 4586487 | Protective telescoping shield for solar concentrator Apparatus is described for use with a solar concentrator such as a parabolic dish (12, FIG. 2) which concentrates sunlight onto the small opening (18) of a solar receiver (16), for protecting the receiver in the event of a system failure that could cause ... | 05/06/1986 |
| 4583519 | Heat exchanger Heat exchangers which, through convection or radiation, are designed to absorb varyingly high energy flow about the circumference of their heat transmission walls. The cross-sectional area of the heat exchanger is subdivided into two or more flow passagew... | 04/22/1986 |
| 4516565 | Sun sensing control device The sun sensing control device includes an upright hollow elongated housing having a sealed compartment therein containing fluid. An electrical transducer is mounted at least partially within the compartment. The transducer responds to changes in the char... | 05/14/1985 |
| 4512336 | Panel of vapor generating and superheating tubes A tube panel having both vapor generating and superheating tubes. At least two parallel vapor generating tubes are spaced apart to provide a gap therebetween. A superheating tube is contiguous with each of the two vapor generating tubes and is disposed re... | 04/23/1985 |
| 4484568 | Overheat emergency outfocus mechanism for solar energy collector A control means for a solar energy collector-concentrator of the focusing trough reflector type with an energy receiver operatively positioned at the line of focus of said reflector comprising pivotally mounted support means for said energy receiver held ... | 11/27/1984 |
| 4469087 | Solar heating device A device for utilizing solar energy to heat air comprises an insulating body spaced from preferably a masonry wall of a building and a solar collector positioned in front of the insulating body. Circulation means are provided for removing heated air from ... | 09/04/1984 |
| 4422443 | Solar collector A solar collector device for collecting and utilizing solar heat in conjunction with a solar heat distribution system comprising an elongated housing having a bottom wall, spaced opposed side walls, and first and second opposed end walls, a first glazing ... | 12/27/1983 |
| 4399807 | Method and apparatus for overtemperature control of solar water heating system Automatic overtemperature control system for solar water heater panels is disclosed. In response to lack of liquid circulation through a solar panel, either through loss of liquid or failure to use water heated in the panel valve means are actuated at a p... | 08/23/1983 |
| 4384568 | Solar heating system A solar heating system comprising a solar collector having its input connected to a pressurized fluid source and its output connected to an input of a fluid storage device, the fluid flow from the output being controlled by a thermally controlled valve, a... | 05/24/1983 |
| 4382437 | Self-contained passive solar heating system A self-contained passive solar heating system includes first and second heat pipes, each having a refrigerant medium therein, a condenser portion and an evaporator portion, with the condenser portion of the first heat pipe being coupled to the evaporator ... | 05/10/1983 |
| 4360005 | Solar heat collector system This invention discloses a solar heat collector and system in which radiant heat energy is absorbed by an absorber plate and the heat is transferred by conduction to a circulating fluid. During normal operation, heat loss from the solar panel is reduced b... | 11/23/1982 |
| 4354483 | Closed loop solar collector system with dual reservoirs and fluid bypass A closed loop solar collector system includes a linear concentrating parabolic reflector, a linear vaporizer tube horizontally aligned along the focal line of the parabolic reflector, and a fluid metering assembly attached to the input end of the vaporize... | 10/19/1982 |
| 4309984 | Solar energy collection system A solar collector of the CPC-type is described. The collector is provided in modular form with a plurality of elongate forming reflectors housed within an outer metal tray and a glass cover. An absorber tube passes sequentially through the reflectors and ... | 01/12/1982 |
| 4290412 | Solar collector and process for its operation The invention relates to a solar collector assembly comprising a hollow housing body that is at least partially transparent. An absorber means is contained in the housing and a vacuum pump means is connected to the housing. A particular process of operati... | 09/22/1981 |
| 4285333 | Solar energy collecting system In a solar energy collecting system which comprises a primary closed circuit including a solar energy collector, a heat exchanger, a carrier fluid receiver tank, and a circulating pump and a secondary closed circuit including a utilization means and engag... | 08/25/1981 |
| 4270517 | Fluid optical switch for a solar collector Apparatus for optical switching which uses a fluid medium whose refractive index is matched to that of a highly dispersed optical scattering layer to provide optical transparency of said scatterer when immersed in the fluid media and optical reflection in... | 06/02/1981 |
| 4261331 | Temperature responsive optical switch An optical switching device for reflecting incident light at or above a predetermined temperature comprises a layer of a metal sulfate salt solution in thermal contact with a source of heat. The solution is characterized as having decreasing salt solubili... | 04/14/1981 |
| 4237865 | Solar heating siding panel A solar heating siding panel adapted to be mounted on the side of a building in a vertical position which includes on the outside double panes of clear glass secured in a housing horizontally spaced outwardly of the building. Inwardly of the housing is lo... | 12/09/1980 |
| 4232656 | Integral storage collector solar heating system In an integral storage collector solar heating system, water heated in a conventional hot water heater is first preheated in an integral storage collector. The storage collector includes a heat storing medium, preferably clean water, in a storage tank. Wa... | 11/11/1980 |
| 4226225 | Thermal overload release for solar energy collectors This invention describes an inexpensive solar energy collector protective device that controls the flow of hot collector air within a pre-selected range. The device permits automatic opening of a vent, accomplished by a bi-metallic release or by rupturing... | 10/07/1980 |
| 4219009 | Vented solar panel A solar panel having venting gates at opposite ends of an air plenum defined between a collector element and a protective, light-transmissive cover and having a wax thermal actuator for both the gates and flexible force-transmitting linkages between the a... | 08/26/1980 |
| 4210128 | Black liquid absorbing solar collector A solar energy collector wherein the absorber means comprises a black liquid absorber for converting solar energy to thermal energy and absorbing the thermal energy. The solar energy collector includes an upper cover having a plurality of raised chamber m... | 07/01/1980 |
| 4153040 | Protective cooling system for solar heat collector An auxiliary system for cooling a solar collector of the type having circulating fluid when normal circulation fails, comprising direct mechanical temperature responsive means for admitting domestic water to the collector automatically when a predetermine... | 05/08/1979 |
| 4108374 | Heat storage water tank A heat storage tank suitable for solar house heating systems. The tank includes a rigidly supported bottom panel covered with a layer of stones of substantially uniform size which are bonded together thermally and mechanically at their points of contact w... | 08/22/1978 |
| 4076013 | Solar heating system A solar heating system for a building consists of a stressed-skin roof structure which includes at least one layer formed of longitudinally extended channel-shaped beam members, wherein each beam member is generally U-shaped in cross-section and positione... | 02/28/1978 |
| 4074705 | Solar collector apparatus and method A modular solar collector system and method for solar radiation with a collector assembly defining a fluid flow channel therein exposed to solar radiation; a heat transfer fluid for flowing down the fluid flow channel to be heated directly or indirectly b... | 02/21/1978 |
| 4046134 | Solar heater with automatic venting An apparatus for collecting solar energy wherein a heat exchange array of plastic or the like is protected against damage by excessive heat buildup. The array is housed in a normally closed chamber having a portion transparent to solar rays and the chambe... | 09/06/1977 |
| 3985117 | Solar sensor-heater A solar sensor-heater comprising a fluid conduit coiled about a black body enclosed in an insulated container. One side of the container is transparent to allow solar radiation to impinge upon the fluid conduit and black body. A pump is located in the flu... | 10/12/1976 |