Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7337838 | Plant for tempering of a building A plant for tempering a building, including an energy storage unit formed by ground heat exchangers coupled in parallel and each including a heat insulated leg and a non-insulated leg in thermal contact with surrounding soil. The heat exchangers are included in a ci... | 03/04/2008 |
| 7267866 | Heat control method and heat controller A heat controller for an object, having a composite material formed of a base material radiating a large amount of heat at a high-temperature phase and a phase-change substance having insulation properties at a high-temperature phase, having metallic properties at a... | 09/11/2007 |
| 7151326 | System and method for safely and efficiently capturing power currently produced by already available power supplies to power electrical devices in a truck while its engine is turned off The present invention is directed to an electrical system and method for providing power to a truck's cab while the truck's engine is turned off. An already available primary power supply of the truck and a secondary power supply generally located on a trailer being... | 12/19/2006 |
| 7076373 | Leak detection system for a water heater A method for determining the presence of a leak in a water heater unit comprising a storage tank is presented. The present invention involves mounting one heating sensor on the lower half of the tank and another heating sensor on the upper half of the tank. Readings... | 07/11/2006 |
| 7007857 | Compact vehicle heating apparatus and method A compact vehicle heating system and method is provided which includes mechanisms to selectively shut down heating systems. For example, when domestic hot water is required, space heating and engine preheating systems can be shut down in order to provide priority he... | 03/07/2006 |
| 6701795 | Method for testing a heating system A method for testing a heating system with at least one basic unit, which controls activating elements of individual heating circuits, with the basic unit being connected with setting units. To simplify the testing of such heating systems, the elements av... | 03/09/2004 |
| 6508409 | Heat producing system for a building A heat producing system for a building including a cylindrical housing having a closed upper end, a closed lower end, a cylindrical side wall therebetween, and a hollow interior. The closed upper end has an opening therethrough exposing the hollow interio... | 01/21/2003 |
| 5707007 | Hydronic heating with continuous circulation supplying multi-temperature heating loops A hydronic heating system having a source of hot supply water and a reservoir of cooler return water, a main hot supply water circulation path (loop) from the supply water line to the return water line including a pump maintaining continuous flow of hot s... | 01/13/1998 |
| 5655710 | Method for controlling operated-units count of fluid heating units In a multi-unit installation system of fluid heating units such as hot water boilers, an outstandingly superior responsivity to load variations is obtained, and fluid of stable temperature is supplied by preventing useless starts and stops. In a units cou... | 08/12/1997 |
| 5643522 | Method and system for curing fiber reinforced composite structures A system for curing composite structures. A hollow bladder having opposing open ends is secured within a metal pressure vessel so as to define an annular space within the vessel surrounding the bladder. The open ends of the bladder are sealably attached t... | 07/01/1997 |
| 5460328 | Method for the automatic optimization of a heating curve A method for the automatic optimization of the heating curve of a heating controller in a heating plant is devised, whereat the heating curve is approximated by the potential function y=k.multidot.x, in which function the coefficient k a... | 10/24/1995 |
| 5392611 | Method of and apparatus for reducing the heat load on a greenhouse A method for controlling the condition of air in an enclosure, such as a greenhouse, containing growing plants involves reducing the heat load on the enclosure by reducing the rate of convective heat flow of air across the canopy of the plants. This is ac... | 02/28/1995 |
| 5344071 | Expansion tank airation device A method for purging water from flooded expansion tanks without necessitating the complete drainage and subsequent refilling of the systems allows for a stabilized hydronic water system in much less time with less effort and expense.... | 09/06/1994 |
| 5216224 | Window with an improved parietodynamic effect The outer wall (19) of a heated room. In a variant, the air is heated by contact with the wall (19), which then is equipped with a Coanda effect air circulation (21). The air (24) is preheated before entering the room.... | 06/01/1993 |
| 5067652 | Supplemental vehicle heating method and apparatus with long heating cycle An auxiliary burner provides supplemental thermal energy to a vehicle having a room and domestic water to be heated. The auxiliary burner operates efficiently at a rated thermal output when it is operated for at least the duration of a minimum operational... | 11/26/1991 |
| 4976464 | Fuel-fired heat pump system A heating system that reduces the cycling losses of a heat engine driven heat pump by storing rejected heat from the engine and using this rejected heat to meet a heating demand between periods of operation of the engine and heat pump so that over an exte... | 12/11/1990 |
| 4942863 | Thermoelectric generator for use in a heater and method of installation A thermoelectric generating assembly for replacement of a heat exchanger mounted in a fuel-burning heater having electricity-consuming components includes a thermoelectric generator for supplying the electrical power requirements of the heater components ... | 07/24/1990 |
| 4901919 | Air conditioning indirect heating and recuperative ventilation system A water evaporating air conditioning, indirect heating and recuperative ventilation system comprising an air to air counter-flow heat exchanger having separate supply and return heat exchange chambers that are separated by a heat exchange membrane, water ... | 02/20/1990 |
| 4884743 | Method of and plant for regulating the temperature of a heat carrier fluid A room which is substantially sealed or sealable from the surrounding atmosphere is conditioned by a plant which has a fluid heating or cooling unit, one or more heat exchangers, conduits which connect the unit with the heat exchanger(s), and a computer w... | 12/05/1989 |
| 4869070 | Method of and means for controlling the condition of air in an enclosure Apparatus for conditioning the air in an enclosure utilizes a primary direct contact air/brine heat exchanger in which enclosure air is contacted with brine from a reservoir for condensing water vapor in the enclosure air onto the brine to form dilute bri... | 09/26/1989 |
| 4707995 | Apparatus and method for controlling temperature and humidity within an enclosure Apparatus for humidity and temperature control of the air in an enclosure comprising brine-vapor-air direct heat exchanger apparatus disposed in communication with an enclosure and a brine reservoir arranged to store brine and to be exposed to naturally o... | 11/24/1987 |
| 4699317 | Heat exchanger flue This invention relates to a method and apparatus for the extraction of the heat from the flue exhaust of a fuel burn in a furnace, stove or fireplace. The Heat Exchanger Flue can be adjusted vertically and horizonally in length to obtain a high efficiency... | 10/13/1987 |
| 4687133 | Method and device for operation of a heating plant Method and device for operation of a heating plant comprised in a heating system which works with circulation of air. A partial flow (16) of the consumed air in the heating system is supplied to a heat exchanger (4) for heat exchange with intake air (12) ... | 08/18/1987 |
| 4685617 | Method of and apparatus for conditioning air in enclosures A system for conditioning the air in an enclosure, such as a greenhouse, uses low grade heat contained in a liquid, e.g., condenser cooling water that is normally discharged downstream of a power plant. The system includes an indirect contact heat exchang... | 08/11/1987 |
| 4593852 | Air conditioner for automobile An air conditioner for an automobile, characterized by having an opening of a defrost duct for guiding air toward the inner face of a windshield formed in an upper portion of a heater unit, an opening of a foot duct for guiding air toward an automobile oc... | 06/10/1986 |
| 4524910 | Heater using hot waste flue gases A method and apparatus to heat a forced-air supply utilizing hot waste gases in a flue. A flue closure housing is supported by a frame that is arranged to surround an opening in the chimney. The housing supports a heat exchanger having side walls formed o... | 06/25/1985 |
| 4493364 | Frost control for space conditioning An apparatus and process for frost control for the ambient air heat exchanger of a space conditioning apparatus. The ambient air heat exchanger is immersed in a fluidized bed enhancing the heat transfer and physically reducing frost formation. In a prefer... | 01/15/1985 |
| 4445639 | Heat pump systems for residential use An air conditioning system of the air cycle heat pump type for selectively heating and cooling a residence or similar space environment. In one embodiment, a combustor and associated Brayton cycle turbine provide the primary drive to a compressor constitu... | 05/01/1984 |
| 4365742 | Heating system A heating system includes a water heating solid fuel stove operated in conjunction with a gas or oil fired hot water furnace. The two are connected in parallel and furnish heat to at least one heating zone and domestic hot water. In a first embodiment, a ... | 12/28/1982 |
| 4347891 | Thermochemical energy transport process The CO2 --CH4 reforming-methanation chemical cycle provides an ractive means of transporting energy, such as solar energy, from the place of generation to the place of use. CO2 /CH4 molar ratios of 2.0-7.0 perm... | 09/07/1982 |
| 4308993 | Heating system A heating system which uses bleed air to heat and recirculate cabin air for the passenger space of a vehicle.... | 01/05/1982 |
| 4301788 | Solar water reclamation system An energy-saving system for reclaiming the waste water contained in the ice shavings obtained from resurface ice at an ice skating rink, the system including a first tank for holding the ice shavings, a second tank for storing the waste water from the mel... | 11/24/1981 |
| 4279574 | Energy recovery system The system described is useful in connection with a gas compressor that has a heat exchanger. Water conduits, a water pump and water control valve and cooler are connected in such a manner that the water circulated through the heat exchanger is directed t... | 07/21/1981 |
| 4279381 | Method for uniformly heating a multi-level building A method is disclosed for uniformly regulating and controlling the temperature in a multi-level building utilizing a common heat source. Only a single thermostat is required. The thermostat is placed in the room as near the end of the longest conduit and ... | 07/21/1981 |
| 4274581 | Package heat exchanger system for heating and cooling A compact heating and cooling system in which air ducts are connected to a host exchanger system through which a coolant fluid from a condensing unit or a heating fluid from a compact water heater is selectively directed by a control circuit so that the s... | 06/23/1981 |
| 4234037 | Underground heating and cooling system The present invention relates to a heating and cooling system for structures such as residential dwellings. More particularly, the heating and cooling system includes one or more conduits disposed approximately six (6) feet underground and having opposite... | 11/18/1980 |
| 4176788 | Geothermal home construction A method for constructing structures to minimize the amount of fuel necessary to heat the structure during winter months as disclosed. The structure of this invention maximizes the heat obtainable from the earth at depths substantially below the frostline... | 12/04/1979 |
| 4155506 | Method and apparatus for conservation of energy in a hot water heating system A very well heat insulated water storage or accumulator tank of relatively large capacity as compared to the capacity of the hot water heating unit is interposed between the unit and the radiator system and is interconnected with the unit. Heated water fr... | 05/22/1979 |
| 4135665 | Integrated sewage treatment system An on-site system in which means for treating domestic sewage generated within a building located thereon are totally integrated with means for modifing space temperatures and for heating water for sanitary and other purposes therein to form a matrix of i... | 01/23/1979 |
| 4123219 | Chemical storage of radiant energy A method for the chemical storage of radiant energy in which substituted naphthalenes undergo photochemical dimerization by exposure to radiant energy to form 1,2,2a,7,8,12b-hexahydro-1,8,2,7-ethanedihylidenedibenzo[a,e]cyclobuta[c]c yclooctenes, whic... | 10/31/1978 |
