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| Number | Title | Issue Date |
| 8327919 | Apparatus and method for modifying a modular air preheater A semi-modular rotor module [52] for a modified modular air preheater [10] has a two-pin lug assembly for engaging an air preheater post [16]. The two-pin lug assembly includes an upper two-pin lug [54] and a lower two-pin lug and is conf... | 12/11/2012 |
| 8235093 | Flat plate heat and moisture exchanger This invention relates in general to air exchange systems and, in particular, to an improved energy recovery ventilator, a cross flow plate core associated therewith and a method of conditioning air for a building. In one aspect, the invention provides a cross flow ... | 08/07/2012 |
| 7841381 | Heat and energy recovery ventilators and methods of use An energy recovery ventilator and method for monitoring and maintaining an environmental condition inside a structure such as a house, building, or dwelling is provided. The ventilator may include a housing having mating halves of a molded polymeric material, first ... | 11/30/2010 |
| 7565923 | Rotary total heat exchange apparatus A rotary total heat exchange apparatus includes at least an air-providing member, a first air passage and a second air passage, a sensible heat exchanger (21), and a total heat exchange wheel (1). The air-providing member provides a first airflow from ... | 07/28/2009 |
| 7556085 | Reversible heat transfer element basket assembly with integrated frame for use in a heat exchanger A heat exchanger heat transfer element basket assembly (500) for receiving heat transfer element plates (850) therein. The heat exchanger heat transfer element basket assembly (500) includes first and second one-piece side straps (520a... | 07/07/2009 |
| 7530385 | Rotary-type total heat exchanger A rotary-type total heat exchanger (10) includes two blowers (21, 22), a rotary wheel (33), an air-guiding member (41) and an air-regulating member (42). The blowers are used to provide a first airflow and a second airflow into the... | 05/12/2009 |
| 7445038 | Rotary total heat exchange apparatus A rotary total heat exchange apparatus (30) includes at least an air-providing member (3301), a first air passage and a second air passage, and a total heat exchange wheel (3311). The air-providing member provides a first airflow from outdoors a... | 11/04/2008 |
| 7389646 | HVAC desiccant wheel system and method An HVAC system includes a desiccant wheel, wherein the wheel's speed varies with airflow, the wheel is energized for at least a set period at startup, and/or a heat recovery system (e.g., an air-to-air heat exchanger) upstream of the wheel enhances the system's abil... | 06/24/2008 |
| 7373786 | Desiccant dehumidification system A desiccant dehumification system uses an air heater incorporating air feedback from the exhaust and/or the return air fans. The air and gas are mixed in a single step, two step, or continuous modulation mixing valve. An outdoor cooking grill style burner allows a s... | 05/20/2008 |
| 7322401 | Ventilator Ventilator including a case having a first flow passage and a second flow passage therein, at least one fan in the case for supplying room air to a room through the first flow passage, and guiding outdoor air to the room through the second flow passage, and a heat e... | 01/29/2008 |
| 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 |
| 7284387 | Diesel fuel heated dessicant reactivation with internal heat bypass Dessicants employed in dehumidifying moisturized air present within a water-damaged building are themselves dehumidified to liberate collected moisture through the use of ambient air drawn over and about a heat exchanger fired by diesel fuel, with portions of the ai... | 10/23/2007 |
| 7284385 | Pre-dried air reactivation for diesel fuel heated dessicant reactivator Dessicants employed in dehumidifying moisturized air present within a water-damaged building are themselves dehumidified to liberate collected moisture through the use of ambient air drawn over and about a heat exchanger fired by diesel fuel, with a portion of the d... | 10/23/2007 |
| 7284383 | Wheel belt drive for diesel fuel heated dessicant reactivation Rotating wheel dessicants employed in dehumidifying moisturized air present within a water-damaged building are themselves dehumidified to liberate collected moisture through the use of ambient air drawn over and about a heat exchanger fired by diesel fuel, with the... | 10/23/2007 |
| 7284386 | Self-contained trailer for diesel fuel heated dessicant reactivation Dessicants employed in dehumidifying moisturized air present within a water-damaged building are themselves dehumidified to liberate collected moisture through the use of ambient air drawn over and about a heat exchanger fired by diesel fuel, with the dessicants, th... | 10/23/2007 |
| 7284384 | 2-line residential use diesel fuel heated dessicant reactivator Dessicants employed in dehumidifying moisturized air present within a water-damaged building are themselves dehumidified to liberate collected moisture through the use of ambient air drawn over and about a heat exchanger fired by diesel fuel and powered by a pair of... | 10/23/2007 |
| 7278378 | Regenerative air preheater leakage recovery system A regenerative air preheater leakage recovery system comprising a coal-fired steam generator in fluid communication with a regenerative air preheater. The regenerative air preheater adapted to provide a heat exchange between a flow of cool air and of hot flue gas to... | 10/09/2007 |
| 7250542 | Paraffin alkylation A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a dispers... | 07/31/2007 |
| 7243143 | Flow probe connectivity determination An accounting system inserts flow probes into various locations within a network to measure certain parameters. The flow probes capture Internet Protocol (IP) packets and determines if the captured IP packets contain messages relating to error reporting. If the IP p... | 07/10/2007 |
| 7167860 | Fault tolerance for network accounting architecture A system for collecting and aggregating data from network entities for a data consuming application is described. The system includes a data collector layer to receive network flow information from the network entities and to produce records based on the information... | 01/23/2007 |
| 7159643 | Heat storing element and method for manufacturing heat storage apparatus using the element Appropriate amount of brazing material is put on each of inner and outer recessed portions of a first heat storing element. Then, the first heat storing element is placed close to and substantially parallel to a second heat storing element, and an inner projected po... | 01/09/2007 |
| 7150314 | Dual exhaust energy recovery system A heat recovery arrangement. The arrangement has a housing including a bathroom exhaust inlet, an exhaust outlet, a bathroom exhaust airflow path through the housing from the bathroom exhaust inlet to the exhaust outlet, a return air inlet, and a return air path thr... | 12/19/2006 |
| 7104082 | Dehumidification and temperature control system A space has air humidity and temperature to be regulated. An air handler has a temperature regulation element, a fan and a housing. An inflow manifold has an intake end and an outflow end and a plurality of stubs and a plurality of dampers. An outflow manifold has a... | 09/12/2006 |
| 7082987 | Rotary regenerative heat exchanger and rotor therefor A rotary regenerative heat exchanger includes a rotor having primary vanes 14 extending between the hub and the periphery of the rotor, and additional secondary vanes 15 between said primary vanes and extending over an outer annulus of the rotor. Such ... | 08/01/2006 |
| 7080505 | Vehicular atmosphere cleansing method A vehicular atmosphere cleansing system utilizes a regenerative wheel having flow channels extending through the wheel coated with an adsorbant. An atmosphere stream passes through a first position dependent portion of the wheel where VOC's including HC's are adsorb... | 07/25/2006 |
| 7077187 | Apparatus for exchanging energy and/or mass A regenerative energy and/or mass exchange assembly has: an exchange media; a first flow path to pass a fluid stream through the exchange media; at least a second flow path to pass a further fluid stream through the exchange media; and at least one fluid stream dive... | 07/18/2006 |
| 7073566 | Ventilation system An apparatus for ventilation systems includes 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 invention in particular provides an apparatus whereby, d... | 07/11/2006 |
| 7066986 | Apparatus for use in regenerating adsorbent An adsorber vessel for use in the adsorption of a component from a gas and subsequent regeneration by thermally induced desorption of the component comprises an inlet for regeneration gas having an inlet nozzle containing at least one heater element, and an outlet f... | 06/27/2006 |
| 7063128 | Drum type heat exchanger A drum type heat exchanger for effectively ventilating and purifying room air of a factory, a building or a house and the like is described. The drum type heat exchanger has heat transfer means with a drum shape and thus an entire size is reduced as much as possible... | 06/20/2006 |
| 7059386 | Sealing element for a regenerative heat exchanger Disclosed is an improved sealing element for a regenerative heat exchanging apparatus, such as a Ljungstrom™-type or a Rothemuhle™-type Preheater. The sealing element is mounted to a radial wall to provide a secure seal between the radial wall and an outer housi... | 06/13/2006 |
| 7055334 | Air-conditioning unit and air-conditioning apparatus incorporating same An indoor air-conditioning unit 10 which can effectively deactivate allergens includes an intake grill 11 for drawing in indoor air. Indoor heat exchangers 13, 14, and 15 exchange heat between air drawn in from the intake grill 11 ... | 06/06/2006 |
| 7052760 | Honeycomb structural body and assembly thereof A honeycomb structural body (1) is obtained by bonding, into one piece, a plurality of honeycomb segments (2a, 2b) having a plurality of through-holes (6) surrounded by partition walls (10) and extending in the axial ... | 05/30/2006 |
| 7041359 | Honeycomb structure and assembly thereof There is disclosed a honeycomb structure (1) comprising: a plurality of honeycomb segments (2a, 2b), bonded into one piece, having a large number of cells (6) separated from one another by cell walls (10) and extendin... | 05/09/2006 |
| 7036562 | Heat exchanger with core and support structure coupling for reduced thermal stress A heat exchanger with a core, a support structure and a mount. The core is variable in size and has a lower temperature fluid port and a higher temperature fluid port. The mount is positioned between the core and the support structure, adjacent to the higher tempera... | 05/02/2006 |
| 7025119 | Heat exchanger, a method for producing the same and a dehumidifier containing the same Two passages adjacent to each other via walls are formed spirally, and heat is exchanged between fluids passing through the passages via the walls. Upper and lower end faces of the spiral passages are covered with end plates, and the spiral passages and the end plat... | 04/11/2006 |
| 6973795 | HVAC desiccant wheel system and method An HVAC system includes a desiccant wheel, wherein the wheel's speed varies with airflow, the wheel is energized for at least a set period at startup, and/or a heat recovery system (e.g., an air-to-air heat exchanger) upstream of the wheel enhances the system's abil... | 12/13/2005 |
| 6919055 | Hydrogen supply device In the hydrogen supply device for producing and supplying hydrogen to a fuel cell, a heat exchange section has a rotary thermal storage through which low and high temperature passages pass. Reforming material is supplied to the low temperature fluid passage on an up... | 07/19/2005 |
| 6892795 | Embossed regenerator matrix for heat exchanger A regenerator matrix for effecting the transfer of heat between two counter-flowing air streams separated in part by face seals. The matrix includes strips of material wound about an axis so as to provide a plurality of layers. The matrix also includes embossments l... | 05/17/2005 |
| 6889750 | Ventilation system 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. During a defrost cycle, interior air may circulate through both... | 05/10/2005 |
| 6820681 | Heating regeneration type organic rotor member and method for producing the same The object of the present invention is to provide a heating regeneration type organic rotor member which comprises a honeycomb structural body capable of being continuously regenerated by heating upon rotational driving and remarkably improved in mechanical strength... | 11/23/2004 |
