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A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."
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| Number | Title | Issue Date |
| 7441588 | Heat exchanger unit The present invention provides a heat exchanger unit that can save space, even when performing air conditioning in addition to ventilation. The heat exchanger unit performs heat exchange ventilation with a supply air channel flowing from an outdoor space to an indoo... | 10/28/2008 |
| 7334629 | Ventilating system, heat exchanger and methods The ventilating system includes evaporative cooling of the exhaust air before it enters a heat exchanger to cool incoming fresh outside air. A suction fan pulls exhaust air through the heat exchanger and, in combination with a flow restrictor, reduces the pressure o... | 02/26/2008 |
| 7028752 | Ventilation device An incoming air duct (9) and an exhaust air duct (12) which connect an incoming air inlet (14) and an exhaust air outlet (10), respectively, in an outside side-wall (1b) to an incoming air outlet (13) and an exhaust a... | 04/18/2006 |
| 6983788 | Ventilating system, heat exchanger and methods The ventilating system includes evaporative cooling of the exhaust air before it enters a heat exchanger to cool incoming fresh outside air. A suction fan pulls exhaust air through the heat exchanger and, in combination with a flow restrictor, reduces the pressure o... | 01/10/2006 |
| 6799539 | System and method for utilization of waste heat of semiconductor equipment and heat exchanger used for utilization of waste heat of semiconductor equipment An amount of energy consumption in a semiconductor fabrication facility can be reduced by using cooling water drained from a semiconductor fabrication apparatus as a heat source of another semiconductor fabrication apparatus. Cooling water of 80° C. drained from a ... | 10/05/2004 |
| 6742284 | Energy efficient tobacco curing and drying system with heat pipe heat recovery The invention is a drying system and a method for its use, the drying system having a container containing a product to be dried and a dryer. The dryer includes an inlet for providing the drying air, a drying air pathway, and a furnace for heating the drying air. Th... | 06/01/2004 |
| 6564755 | Preheating assembly for hot water system A heat recovery system includes a heat exchanger surrounding a flue pipe from a furnace for preheating water. The heat exchanger includes a sleeve surrounding the flue pipe to define an annular space and form a water jacket in direct contact with the flue... | 05/20/2003 |
| 6547222 | Packing element A packing element is provided for use in a mass transfer tower or a heat sink. The packing element is in the form of a saddle shaped member having a configuration generally corresponding to a portion of a toroid generated by rotating a plane closed curve ... | 04/15/2003 |
| 6520249 | Low-temperature waste-heat-gas driven refrigeration system High-temperature-side hydrogen storage alloy containers each containing a hydrogen storage alloy are disposed as a heat exchanging portion in high-temperature-side heat exchangers. Low-temperature waste-heat gas generated in a micro gas turbine is importe... | 02/18/2003 |
| 6423275 | Regenerative devices and methods The present invention is directed to an apparatus for directing process fluids through regenerative systems using a Multi-Port Valve Assembly. Any number of process fluids can be directed through any number of regenerative devices in a regenerative system... | 07/23/2002 |
| 6319115 | Air cycle houses and house ventilation system An indoor space is externally enclosed and thermally insulated by an underfloor insulating layer, a wall insulating layer and a ceiling insulating layer. An underfloor ventilation layer is defined between a floor and the underfloor insulating layer, and a... | 11/20/2001 |
| 6216489 | Liquid desiccant air conditioner A liquid desiccant air conditioner includes an absorption air conditioner and a liquid desiccant dehumidifier. The dehumidifier includes a liquid desiccant absorber for absorbing moisture contained in ambient air entering the dehumidifier, a boiler for bo... | 04/17/2001 |
| 6209622 | Ventilation system The present invention relates to an apparatus for ventilation systems which include an element for the transfer of heat from warm exhaust air (taken from inside a building) to cooler exterior fresh air which is drawn into the building. The present inventi... | 04/03/2001 |
| 6182747 | Plate-type crossflow air-to-air heat-exchanger comprising side-by-side-multiple small-plates An air-to-air heat exchanging system for a first air stream and a second air stream includes at least two air-to-air heat exchangers, each having heat conducting walls, secured to a frame. Two manifold assemblies, each including triangular dividers and tr... | 02/06/2001 |
| 6145139 | Supplementary water heater system for swimming pools and spa An improved swimming pool/spa water heating system whereby a portion of the water flow into the main heater unit (3), is preheated, thereby decreasing the time of operation of the main heater unit (3), to raise the pool water temperature to the desired te... | 11/14/2000 |
| 5961784 | Method for reducing the consumption of fresh water in a paper mill by means of a cooling tower A method for reducing the consumption of fresh water and energy in a paper mill in which fresh water is passed into the paper mill for various needs, and a cooling tower is utilized for cooling water heated in the papermaking process. All fresh waters or ... | 10/05/1999 |
| 5806582 | Method and arrangement for controlling heat transfer in ventilation Apparatus or air conditioning apparatus A method and an arrangement for controlling heat transfer in a ventilation apparatus or an air conditioning apparatus, in which heat contained in exhaust air is recovered into supply air by means of a heat transfer circuit having fluid circulation. Additi... | 09/15/1998 |
| 5758717 | System and method for the recovery of waste heat from pipelines Natural gas pipelines typically employ an underground large diameter pipe, on the order of about 42 inches in diameter, to conduct natural gas from a gas field to a place of consumption or to a shipping terminal. Compressor stations disposed along the pip... | 06/02/1998 |
| 5740857 | Heat Recovery and storage system This invention for use with a water-using system is directed to a heat recovery and storage device adapted to recover heat from warm waste liquid and transfer it to cooler supply water where the flows of both waste liquid and supply water are intermittent... | 04/21/1998 |
| 5573058 | Air-conditioning installation for room spaces Air-conditioning installation for room spaces (1), comprising a heat transfer device (4) for preheating supply air (A) by transferring heat from exhaust air (B) into the supply air; heating means including a heating source (11) for further heating the sup... | 11/12/1996 |
| 5567390 | Counterflow catalytic device with interactive dilution control A catalytic oxidizer having an interactive dilution control system for continuous treatment of air hydrocarbon vapor mixture having a shell vessel for enclosing a central volume of generally circular cross-section, a combined catalyst chamber and spiral h... | 10/22/1996 |
| 5515909 | Flow switching apparatus, regenerative alternate combustion burner system using the apparatus, and regenerative heat exchanger system using the apparatus A flow switching apparatus has a simple structure and enables a rapid flow switching operation between two systems of flow, e.g., flows in which two kinds of fluid each having a temperature different from each other flows without causing any gas leakage. ... | 05/14/1996 |
| 5458187 | Dual core air-to-air heat exchanger An air exchanger for continuously exchanging indoor air with outdoor air to provide a constant supply of fresh air into a structure which includes a heat exchanger having a continuous structure which defines adjacent first and second sets of channels whic... | 10/17/1995 |
| 5453259 | Two-bed regenerative thermal oxidizer with trap for volatile organic compounds A regenerative thermal oxidizer system is useful for treating a waste gas stream that contains volatile organic compounds. Two regenerators each contain heat exchange material that is arranged within the regenerators to recover heat generated by the oxida... | 09/26/1995 |
| 5421171 | Cooling apparatus Cooling apparatus comprises a cooling chamber such as a freezing tunnel having a pipeline for introducing liquid nitrogen into it and an exhaust passage for cold nitrogen vapor. The exhaust passage extends through a rotary regenerative heat exchanger. Dow... | 06/06/1995 |
| 5345996 | Energy saving water and air bubble heat maximizer for swimming pools, hot tubs, and spas An adjustable, energy saving, high speed, air bubble and water heating system extracts waste heat from the exhaust of a water heater on a swimming pool, hot tub, or spa to heat air and/or water. The use of the waste heat results in accelerated heating of ... | 09/13/1994 |
| 5326537 | Counterflow catalytic device A catalytic oxidizer having a combined central catalyst chamber and a spiral heat exchanger for treatment of air hydrocarbon vapor mixture including an outer shell of circular cross section having a tangentially directed longitudinal inlet aperture, a par... | 07/05/1994 |
| 5301745 | Installation for heat recovery An installation for heat recovery from warm household drain water produced at household water consumption points, comprising a distributor tank, a first pipeline system which delivers warm household drain water from the consumption points to the distribut... | 04/12/1994 |
| 5279356 | Waste heat recovery system These and other objects of the present invention are achieved in a heat recovery system to recover the heat potential and including a plurality of heat exchanger assemblies from exhaust or waste gas at a temperature of from 500 to 2500° F. wherein the he... | 01/18/1994 |
| 5226477 | System for recovery and utilization of exhaust heat from a reformer This invention relates to a system for recuperation and utilization of exhaust heat from a reformer, in which a plurality of arc passageways are formed respectively on the opposite outside walls of the reformer body with a plurality of arc-shaped steel sh... | 07/13/1993 |
| 5220955 | Heat exchange apparatus Heat exchange apparatus comprises first and second heat exchange units 2, 4 with spiral pathways, each unit having a central volute which contains a respective impeller 18, 24. The pathways of each unit are separated by flexible metallic strips 14/15/16. ... | 06/22/1993 |
| 5193610 | Defrostable ventilation system The present invention relates to an apparatus for defrostable ventilation systems which include an element for the transfer of heat from warm exhaust air (taken from inside a building) to cooler exterior fresh air which is drawn into the building, the sys... | 03/16/1993 |
| 5178210 | Vapor pump employing counterflow exchange between air and combustion products without an intermediate fluid The vapor pump constituted by a mass and heat exchanger comprises an outer enclosure, a set of exchanger tubes disposed inside the enclosure and extending lengthwise therein, opening out at one of the ends in a first radial plane and at their other ends i... | 01/12/1993 |
| 5148858 | Heat exchanger connected to a waste water discharge conduit A water discharge conduit is disposed in a downwardly inclined direction for receiving a flow of waste water at an upper end, for example, from baths, showers and the like. A water trap is disposed below the conduit in parallel relation and has an intake ... | 09/22/1992 |
| 5143149 | Wastewater heat recovery apparatus A heat recovery system with a heat exchanger and a mixing valve. A drain trap includes a heat exchanger with an inner coiled tube, baffle plate, wastewater inlet, wastewater outlet, cold water inlet, and preheated water outlet. Wastewater enters the drain... | 09/01/1992 |
| 5131457 | Protection system for heat pipe airheaters A plant having a combustion chamber can employ at least one heat pipe. The heat pipe is mounted to exchange heat between flue gas in a flue gas path and combustion air in a combustion air path. A protection system has a dual passage for separately conduct... | 07/21/1992 |
| 5127470 | Apparatus for heat recovery and method for operating the apparatus An apparatus for heat recovery from an exhaust gas with waste heat from a heat machinery unit, which comprises a pair of first and second chemical heat-storing units, each comprising a vessel containing a reactant material capable of releasing a reaction-... | 07/07/1992 |
| 5117563 | Heat recuperator from clothes dryer In a device for recuperating heat from a clothes drier, the combination of a heat exchanger with cross streams comprising a pack of facially opposed heat exchange surfaces defining therebetween a plurality of open ended channels in which a stream of a rel... | 06/02/1992 |
| 5101772 | Heat recovery system There is disclosed an apparatus for burning a waste gaseous stream having a residual heating value represented by a heat of combustion of from 50 to 900 BTU/SCF. to heat an intermediate heat transfer fluid, and to use the thus heated heat transfer fluid t... | 04/07/1992 |
| 5086831 | Arrangement for the catalytic oxidation of the harmful components in a cooled carrier gas of a technical process An arrangement for the catalytic oxidation of the harmful components in a cooled carrier gas from a technical process. The arrangement includes two parallel gas ducts which are connected at one end through a bend and whose other ends are connected to gas ... | 02/11/1992 |
