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| Number | Title | Issue Date |
| 7942193 | Heat recovery ventilator with defrost A defrost system for a heat recovery ventilator/energy recovery ventilator (HRV/ERV), uses the interior space supply air of an integrated fan coil for defrosting a HRV/ERV core without creating negative pressure in the interior space, which wastes energy, without ne... | 05/17/2011 |
| 7442353 | Heat recirculating cooler for fluid stream pollutant removal A process by which heat is removed from a reactant fluid to reach the operating temperature of a known pollutant removal method and said heat is recirculated to raise the temperature of the product fluid. The process can be utilized whenever an intermediate step rea... | 10/28/2008 |
| 7421964 | Floating structure in the shape of a concrete cofferdam and a method for moulding the concrete cofferdam The present invention relates to a floating structure comprising at least a closed space (10), a hull in the shape of a concrete cofferdam (12) having an external delimiting surface intended to be exposed to surrounding water, and a function for heatin... | 09/09/2008 |
| 7398643 | Combined EGR cooler and plasma reactor A combined EGR cooler and non-thermal plasma device has first and second fluid passageways which are in heat exchange communication with one another. One or more electrodes are located in the second fluid passageway. The electrodes are connected to a voltage source.... | 07/15/2008 |
| 7368139 | Aseptic processing system for fruit filling An apparatus for aseptic processing of a viscous food product includes a product tank configured to hold the viscous food product. A first pump is configured to pump the viscous food product from the product tank through a heat exchanger at a given rate. A cleaning ... | 05/06/2008 |
| 7360580 | External flue heat exchangers A heat exchanger is mounted external to a section of flue pipe or is an integral part of a section of flue pipe. The heat exchanger preheats a domestic hot water supply and boosts the return water temperature prior to reentry to the furnace coil. The heat exchanger ... | 04/22/2008 |
| 7332140 | Air sterilization system An improved air sterilization system has unobstructed air passageways from a chamber substantially enclosing a volume of air to the air sterilization assembly unit in which the air sterilization assembly unit has heating elements located within air passageways in th... | 02/19/2008 |
| 7316261 | Heat exchanging system of ventilating device A heat exchanging system of a ventilating device includes: a heat exchanging housing communicating with an outdoor air passage and an indoor air passage; a rotational shaft rotatably supported at one side of the case of a ventilating device; and a heat exchanging el... | 01/08/2008 |
| 7293420 | Atmospheric moisture harvesters Improved apparatus and methods for use in atmospheric moisture harvesters are disclosed. In particular, sectored or zoned cooling/condensation surfaces to optimize cooling efficiency are disclosed. In one embodiment, cooling is provided by dual-refrigerant, buffered... | 11/13/2007 |
| 7285153 | Method and equipment for feeding two gases into and out of a multi-channel monolithic structure A method with associated equipment for feeding two gases into and out of a multi-channel monolithic structure. The two gases will normally be gases with different chemical and/or physical properties. The first gas and the second gas are fed by means of a manifold he... | 10/23/2007 |
| 7270691 | Integrated air processing devices and isolation containment systems using such devices In accordance with an embodiment of the invention, an integrated air processing device includes a housing defining an air inlet, an air outlet, and a pathway from the inlet to the outlet. An air decontamination section, an air conditioning section, and a heating sec... | 09/18/2007 |
| 7266953 | Stacked condensing assembly A condensing assembly for urging condensation of a vapour into a liquid has a vertically stacked modular array of horizontal condensation units exposed to a heat transfer medium. Each condensation unit has a cooling chamber, a plurality of hollow legs and necks acce... | 09/11/2007 |
| 7226681 | Fuel cell insulating heat exchanger An enclosure for a fuel cell stack for insulating the hot zone of the fuel cell stack and for exchanging heat from the fuel cell stack to a reactant that passes through the enclosure to be used by the fuel cell stack. The enclosure comprises at least one chamber hav... | 06/05/2007 |
| 7220392 | Fuel conversion reactor A fuel conversion reactor includes a shell-and-tube heat exchanger for controlling the temperature of a hot gaseous mixture produced by catalytic or non-catalytic reaction of a fuel with a gaseous fluid, and for controlling the temperature of the gaseous fluid and/o... | 05/22/2007 |
| 7197885 | Water separator with ribs In preferred aspects of the present invention, at least one rib is provided can be molded to an internal dividing wall in the interior of a water separator in an automotive HVAC unit. In more preferred aspects, a plurality of ribs is provided that are molded to or w... | 04/03/2007 |
| 7186430 | UHT pasteurizer with regeneration A pasteurization arrangement employs regeneration to bring raw milk or other liquid food product up to a few degrees below a UHT pasteurizing temperature. The product is first heated up by regeneration to about 175° F., and held at this temperature for about sixty ... | 03/06/2007 |
| 7143820 | Systems for improved heat exchanger A system in which a heat exchanger includes a core, a plurality of fins extending outwardly from the core, and an element disposed within the cavity of the core. The heat exchanger also includes a first cap coupled to the first end of the core, and a second cap coup... | 12/05/2006 |
| 7101507 | Slurry treatment and shipping method Aerobic and anaerobic contamination is removed from a slurry by a sterilizing process and apparatus (10). A slurry piping circuit (26, 28, 30, 32, 34) interconnects a supply tank (12), three serial heat exchangers (16, 18, 20) and a stora... | 09/05/2006 |
| 7073341 | Air conditioner An air conditioner is provided that includes an exhaust heat recovery unit for recovering exhaust heat in a heat transfer medium, a heat transfer medium passage in which the heat transfer medium outputted from the exhaust heat recovery unit flows, an auxiliary heati... | 07/11/2006 |
| 7059385 | Air conditioning device The invention relates to an air condition device consisting of recovery cells (1, 2), an inlet (3) and exhaust ducts (4) leading to and from a room, an inlet (5) and exhaust ducts (6) located at the other end of the device and lead... | 06/13/2006 |
| 7013953 | Heat exchanger for wasted heat with its cleaning apparatus A waste heat recovery system includes: a tank; heat exchange pipes connected with one another in the form of a ‘S’ shape in multiple steps inside the tank and having city water flow pipes bound up into a bundle; circulation leading plates mounted between the hea... | 03/21/2006 |
| 7004735 | Scroll-type fluid machine having a path to pass and cool the fluid A scroll-type fluid machine such as a scroll compressor or a scroll vacuum pump generates compression heat during compressing operation. A scroll body comprises a stationary scroll and an orbiting scroll that is revolved with respect to the stationary scroll eccentr... | 02/28/2006 |
| 6948281 | Storm shelter The storm shelter is a portable above ground shelter that is aerodynamically stable and can be dimensioned to fit under a standard sized mobile home. The shelter provides an enclosure formed by an arch shaped rigid sheet that is permanently attached to a rectangular... | 09/27/2005 |
| 6905320 | Scroll-type fluid machine A scroll-type fluid machine such as a scroll compressor or a scroll vacuum pump generates compression heat during compressing operation. A scroll body comprises a stationary scroll and an orbiting scroll that is revolved with respect to the stationary scroll eccentr... | 06/14/2005 |
| 6789470 | Cooling device for cooling an engraving system In a cooling device and method for cooling an engraving system of an engraving device given engraving devices for engraving printing form surfaces, the cooling device comprises a plurality of cooling units wherein each cooling unit is allocated to respectively cool ... | 09/14/2004 |
| 6594447 | Heating system for potable water and relatively small areas A supplemental heating system for heating a first fluid such as potable water. The supplemental heating system is configured for use in a recreational vehicle having a primary heating system that also heats the first fluid. The supplemental heating system... | 07/15/2003 |
| 6589395 | Distillation plant with a column and a heat pump The distillation plant comprises a column (1) and a heat pump (4, 5) which operates between a sump vaporizer (3) and an exhaust vapor compressor (2) of the column. The heat pump is substitutable by devices (6, 7) which can be switched to the sump vaporize... | 07/08/2003 |
| 6575228 | Ventilating dehumidifying system A ventilation and dehumidification system for ventilating fresh air to a conditioned space. The system is comprised of a desiccant wheel for dehumidifying incoming air by exchanging moisture from an inflow current of air with an outflow current of air. Th... | 06/10/2003 |
| 6457513 | Segmented flow device The present invention is a segmented flow device for performing the functions of a reactor, heat exchanger or holding tube or their combination. The device controls the residence time of all of liquid and solid particles which make up a flow in the device... | 10/01/2002 |
| 6450244 | Air-to-air heat recovery system An air-to-air heat recovery system for use with a building ventilation system includes first and second heat exchange banks and at least one damper module. Each damper module includes a damper disposed within a substantially rectangular housing having fir... | 09/17/2002 |
| 6434963 | Air cooling/heating apparatus An air cooler has a casing containing two air flow paths through one of which cooled fresh air is supplied to a house, while the other receives stale air from the house. An efficient heat exchanger pre-cools the fresh air with the heat extracted from the ... | 08/20/2002 |
| 6276264 | Portable batch pasteurizer A portable batch pasteurizer for pasteurization or other heat treatment of contained fluids for consumption by animals or humans provides a heat transfer coil through which hot or cold fluids are pumped to heat or cool the fluid in which it is immersed. A... | 08/21/2001 |
| 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 |
| 6131647 | Cooling system for cooling hot object in container In a cooling system to cool down a hot object contained in a closed container, a heat exchanger is used in addition to an air-conditioner to share thermal load to dissipate heat generated by the hot object. Since the heat exchanger which requires almost n... | 10/17/2000 |
| 6085529 | Precooler/chiller/reheater heat exchanger for air dryers A heat exchanger comprising a precooler and reheater core adjacent a chiller core, first heat transfer passages extending through both cores through which incoming air passes in a first direction, second heat transfer passages extending through the chille... | 07/11/2000 |
| 5931017 | Arrangement for cooling supply air in an air-conditioning installation The invention relates to an arrangement for cooling supply air in an air-conditioning installation, comprising a heat transfer device for transferring heat between supply air and exhaust air by means of heat transfer surfaces; and a humidifying device for... | 08/03/1999 |
| 5913360 | Dual pass cooling plate type cross flow air to air heat exchanger with air flow damper controls A heat exchanger for dehumidifying an air stream including heat conducting plates which serve as the heat exchange surface for precooling and reheating the air during the dehumidification process. Cooling conduits are positioned in a plane parallel to a p... | 06/22/1999 |
| 5893408 | Regenerative heat exchanger for dehumidification and air conditioning with variable airflow A heat exchanger for cooling and/or dehumidifying a stream of air which eliminates the need for a large air diffusing plenum chamber. Heat conducting channel walls serve as the heat exchange surface for precooling and reheating air during the dehumidifica... | 04/13/1999 |
| 5884694 | Bathroom dehumidifier method and apparatus A dehumidifier for use in a bathroom or the like utilizes the cold surface of a heat exchanger to condense moisture, and the hot surface of a heat exchanger to warm the air after the moisture is removed. The cold surface is provided by having the cold wat... | 03/23/1999 |
| 5826443 | Heat pump with heat-pipe enhancement and with primary system reheat For a supermarket having open refrigerated food display cases and adjacent cold isles and having primary refrigeration systems for refrigerating the cases, energy efficient ventilating means for removing the cold air from the isles and supplying replaceme... | 10/27/1998 |
