Quotables
"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6792938 | Air type solar system An air type solar system of the present invention has a heat-collecting unit for heating air by solar heat, and a blower fan for blowing the air as a heat medium from the heat-collecting unit. The blower fan is of a large scale, which is capable of: blowing the air ... | 09/21/2004 |
| 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 |
| 5601075 | Solar energy collecting system A solar energy collecting system includes a water tank and a solar collector and a pump for pumping water from the water tank to the solar collector. A sensor is arranged close to the solar collector. A CPU is connected to the pump and the temperature sen... | 02/11/1997 |
| 5224466 | Process for converting solar energy into heat and device for implementing the process A process and apparatus for converting solar energy into heat wherein a solar collector includes a plurality of mutually-coupled solar energy collector elements (1) coupled to a heat transfer fluid circuit, each collector element including a collector cha... | 07/06/1993 |
| 4644935 | Solar heater control A solar heater control system is disclosed for use with a water reservoir and a solar collector. Forced circulation of water in the solar heater system is provided by a pump, and valve means provides direct control of water flow in various parts of the so... | 02/24/1987 |
| 4621612 | Solar pond and method of establishing the same A solar pond of large scale comprises an intake and a return outlet which are not fixedly disposed but are movable in the direction of water depth. The intake and the return outlet are connected through a saline water circulation loop in which necessary s... | 11/11/1986 |
| 4601281 | Hot water supply system A system for supplying hot water into a dwelling or the like. The system includes a continuous circulating hydraulic loop for distribution to fixtures and heat exchange units. A storage circuit is employed to add heated water as needed to the loop. A wate... | 07/22/1986 |
| 4494526 | Temperature sensing A temperature differential measuring circuit includes first and second temperature sensitive transducers disposed in corresponding first and second legs of a bridge circuit. Disposed in third and fourth legs of the bridge circuits are fixed resistors. An ... | 01/22/1985 |
| 4422444 | Solar energy control system and method An improved solar energy control system and method are disclosed that enables efficient utiliziation of heat produced from solar energy in heating air and/or water. The system and method sense the availability of heat along with the need for such heat at ... | 12/27/1983 |
| 4401104 | Thermal gain sensor The thermal gain sensor detects, by a simplified method, the direction of net energy flow through a fluid-separation barrier (window). In particular, the sensor determines a balance point above which the radiant energy (solar, microwave, X-ray, etc.) gain... | 08/30/1983 |
| 4397301 | Method of controlling a solar system collector loop In a solar system collector loop, having a solar collector with an absorber plate, a heat storage unit and a pump for circulating a fluid between the collector and the storage unit, the stagnation temperature TQ of the collector absorber plate,... | 08/09/1983 |
| 4397294 | Solar water heating system A solar water heating system is provided which includes a domestic pressurized water tank with a non-pressurized solar water storage tank placed directly atop it. Because the solar loop is non-pressurized and because the fluid (water) used in said solar l... | 08/09/1983 |
| 4378784 | Solar heating system A solar heating system for preheating water which may be used in conjunction with an existing hot water heater. The use of potable water as the heating fluid renders the use of a heat exchanger unit unnecessary. A novel collector unit is disclosed which i... | 04/05/1983 |
| 4369766 | Solar heating and shading window having automatic temperature-responsive damper system Spaced exterior and interior windows define a solar plenum having communication with one isolated chamber of an adjacent dual chamber bay, the second chamber of which is in communication with the outside ambient or the inside building space air. Dampers f... | 01/25/1983 |
| 4318394 | Solar energy concentrator A solar energy concentrator is provided which includes a flexible reflective surface to focus solar flux on absorber tubes. The surface is mounted above a plurality of partially evacuated chambers. As the relative position between the sun and the concentr... | 03/09/1982 |
| 4296730 | Control system for a solar steam generator A once-through solar steam generator assembly (16) is controlled by a control system wherein the outlet temperature of superheated steam from two independent boiler flow paths (1-12; 1'-12') is independently controlled to a common set point by a combinati... | 10/27/1981 |
| 4284064 | Solar heating system A solar heating system is described which includes solar heat collectors mounted on the roof or side of a building facing toward the sun with air in contact therewith for heating, which air is circulated through ducts in a heat storage unit, the air flow ... | 08/18/1981 |
| 4275709 | System of solar heating by means of fan radiators with fluid circuit and without storage A system of solar heating by means of fan radiators with a fluid circuit and without storage includes solar panels or collectors connected in series. The solar circuit feeds a heat exchanger, the fluid being propelled through the circuit by a pump. The so... | 06/30/1981 |
| 4265219 | Solar heating (cooling) system For solar heating (with cooperating cooling) both simplification and automatic control are needed. In the present invention solar heating and air conditioning apparatus is improved in various ways. For example, the furnace for auxiliary heat is eliminated... | 05/05/1981 |
| 4244519 | Solar heated and cooled building Solar heated or cooled building in which attic functions as solar energy collector, ducts are provided to convey air between attic and thermal storage chamber, two blowers, each preceded by a power-operated damper, are provided in the duct work to provide... | 01/13/1981 |
| 4231351 | Method and apparatus for solar heating a building This invention relates to a building having a central unit defined and enclosed by a peripheral main section therearound. The central unit has a transparent roof to permit the passage of solar energy therethrough to heat the air and other contents of a co... | 11/04/1980 |
| 4196719 | Heat storage means for solar heating system An improved pebble bed heat storage means is provided for a solar heating system using air as the heat transfer medium. The pebble bed is confined in a crib or bin contained in an outer housing. The sides of the bin are air pervious and are spaced from th... | 04/08/1980 |
| 4191166 | Solar heat system A domestic solar water heater system is provided which includes a collector, a storage tank, and a circulating pump. The system also includes a solid state electronic control module which automatically stops the circulating pump when the temperature of th... | 03/04/1980 |
| 4184635 | Control units for heating systems A control unit has two inputs for connection to respective temperature sensors, and alternative primary and secondary outputs. It comprises a comparison circuit operative to sense the differential between the two input temperatures, switching means to ren... | 01/22/1980 |
| 4182309 | Control circuit for solar energy heating systems A control circuit for a solar energy heating system comprising a pair of thermistors connected in series across a source of electrical power and respectively disposed to be responsive to fluid temperature in a solar collector and in a storage tank. A nega... | 01/08/1980 |
| 4129118 | Method and apparatus for providing differential temperature thermostat control for solar hot water systems Detecting the temperature of water moving from a solar collector to a hot water storage and detecting the temperature of the water in the hot water storage by thermistor devices, comparing the resistance differences of the thermistor devices and providing... | 12/12/1978 |
| 4116219 | Differential thermostatic controller for solar heating system A controller for a solar heating system includes a differential thermostat which responds to a preselected temperature differential between fluid in a solar collector and in a storage tank to operate a motor to pump fluid therebetween. The particular circ... | 09/26/1978 |
| 4106482 | Autonomic solar panel An autonomic solar heat collecting system is provided. The heart of the system is a solar panel including a flat outer surface adapted to be exposed to the direction of the radiation of the sun. A flat or formed inner sheet is provided which is closely sp... | 08/15/1978 |
| 4085731 | Solar energy conversion system A solar energy conversion system that provides for complete utilization of the solar energy impinging on solar collectors by having cylindrical lens type collection panels. This system can be used with separate heat sinks with fluid retained at different ... | 04/25/1978 |
| 4064867 | Solar heat collector A solar heat collector having an enclosure, a first receptacle for a heated liquid medium, and a second receptacle for a cooled liquid medium. Heat transfer means within the enclosure provide for the transfer of heat either to or from a liquid medium ther... | 12/27/1977 |
| 4029258 | Solar energy collector A metal collector plate with black paint on its face is mounted in a heat insulated space with a dual pane transparent member transmitting solar rays to the face of the plate. The front face of the plate is spaced from the transparent member providing a p... | 06/14/1977 |
| 4015586 | Solar water heater A closed water/glycol solar heating system for preheating a fluid so as to reduce energy requirements in bringing said fluid up to a desired temperature and holding same, said system including a solar collector having a flexible dome.... | 04/05/1977 |
| 3949732 | Solar heated building A solar heated building of generally hemispherical shape which supports on its surface solar heat collectors. The solar heat collectors are in the shape of spherical sectors and cover an arcuate area defined by the receipt of usable solar heat energy; con... | 04/13/1976 |
