Did You Know...
...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.
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| Number | Title | Issue Date |
| 7340911 | Monolithic air conditioner In a monolithic air conditioner, a front panel is mounted on a front of a cabinet and includes an indoor air intake, an indoor air outlet, and a discharge guide backwardly extended from the indoor air outlet. An indoor heat exchanger is mounted on a back of the fron... | 03/11/2008 |
| 7337837 | Air conditioning system A self-contained, fully-integrated, energy efficient heating and cooling system or apparatus for conditioning the air on the interior of a building which includes a means for creating airflow through the apparatus, a section for cooling the airflow, a section for he... | 03/04/2008 |
| 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 |
| 7320361 | Heat exchanger A known heat exchanger has a lower rate of blocking the movement of moisture through the joint as compared to a joint bonded with a moisture impermeable adhesive because the corrugated and flat substrates are bonded with thermoplastic fibers by performing heating an... | 01/22/2008 |
| 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 |
| 7194822 | Systems for drying moisture-containing work pieces and methods for drying same A system and method are provided for controllably drying moisture-containing work pieces. The system comprises a drying compartment defining an internal workspace for housing and drying the moisture-containing work pieces by introducing heat into the internal worksp... | 03/27/2007 |
| 7114553 | Air conditioning system A self-contained, fully-integrated, energy efficient heating and cooling system or apparatus for conditioning the air on the interior of a building which includes a means for creating airflow through the apparatus, a section for cooling the airflow, a section for he... | 10/03/2006 |
| 7093377 | Laundry dryer and an air inlet structure thereof There is provided an air inlet structure of a laundry dryer. In the air inlet structure, a base defines an air inlet, a front cabinet is disposed in front of the base and defines a suction hole to pass ambient air into the base, a cooling fan is stably disposed in t... | 08/22/2006 |
| 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 |
| 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 |
| 7036331 | Integrated air conditioner having condenser casing An integrated air conditioner having a condenser casing, prevents noise from being generated and prevents a condenser fan from being damaged or broken, due to contact between the condenser casing and the condenser fan. The condenser casing includes a front plate, an... | 05/02/2006 |
| 7028757 | Twin fin arrayed cooling device with liquid chamber A cooling device for dissipating heat from a component is disclosed. The cooling device includes a core with a plurality of twin fins connected with the core and a liquid chamber in thermal communication with the component. The liquid chamber includes a reservoir wi... | 04/18/2006 |
| 7017657 | Cooling device boiling and condensing refrigerant A cooling device boiling and condensing refrigerant includes a refrigerant container, a header tank, and tubes between the refrigerant container and the header tank. In the cooling device, each of the refrigerant container and the header tank has a stack structure c... | 03/28/2006 |
| 7000688 | Supply air terminal device The invention concerns a supply air terminal device (10) including side plates (12) and an air guiding part (13). A heat exchanger (14) is fitted in the device below a supply air chamber (11) for supply air in between air guiding p... | 02/21/2006 |
| 6978826 | Heating and cooling apparatus, building structure having heating and cooling apparatus, and method of using heating and cooling apparatus A heating and cooling apparatus comprises a generally hollow heating and cooling tower body having a ceiling part for receiving solar heat and a columnar part for storing the solar heat received by the ceiling part. The columnar part has a lower portion adapted to b... | 12/27/2005 |
| 6976052 | Spa control system An improved spa control system is disclosed. The invention describes a spa control system which calculates the time required to heat the water in the spa system to a desired temperature. From that information, the heating rate of the spa system can be determined, an... | 12/13/2005 |
| 6965815 | Spa control system An improved spa control system is disclosed. The invention describes a spa control system which calculates the time required to heat the water in the spa system to a desired temperature. From that information, the heating rate of the spa system can be determined, an... | 11/15/2005 |
| 6877551 | Systems and methods for weatherproof cabinets with variably cooled compartments Systems and methods for weatherproof cabinets with variably cooled compartments are provided. One such embodiment includes a housing having a door attached thereto, and in which a cooling compartment and a battery compartment are disposed. An electronics compartment... | 04/12/2005 |
| 6852435 | Fuel cell cooling system A cooling system is connected to a fuel cell stack which has a hydrogen inlet, an air inlet, a coolant inlet, a coolant outlet and an exhaust water outlet. The cooling system includes a heat exchange unit coupled to the coolant inlet and the coolant outlet, a coolan... | 02/08/2005 |
| 6637232 | Unit ventilator A unit ventilator is disclosed wherein, in order to facilitate service and repair of the ventilator and/or its component parts, such parts are mounted for ease of access and of detachment from, or assembly to, the system. Elemental system parts, such as t... | 10/28/2003 |
| 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 |
| 6533031 | Method for thermal management of a battery in an outdoor equipment cabinet A method which extends the useful life of a lead-acid type battery by applying conductive cooling or heating directly to the bottom surface of the battery to maintain the battery at a constant temperature of about 25° C. regardless of the ambient tempera... | 03/18/2003 |
| 6493227 | Cooling apparatus for power semiconductors A cooling apparatus for power semiconductors, which apparatus is essentially box-shaped, has two extruded cooling sections (14, 15) joined to each other. One of the cooling profiles (14) forms a first heat-conducting side wall (16), and the other cooling ... | 12/10/2002 |
| 6470926 | Zero gravity liquid-vapor separation system A liquid-vapor separation system for use in a zero gravity environment for transferring and storing fluids, and particularly fluids that are primarily liquid, such as propellants, reactants and coolants, among others, has a low supply tank pressure and lo... | 10/29/2002 |
| 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 |
| 6347527 | Integrated system for heating, cooling and heat recovery ventilation An integrated compression based heating/cooling, humidification and mid or high efficiency heat recovery ventilation system is provided. The integrated system is a centralized apparatus that offers a very efficient method for heating/cooling with more win... | 02/19/2002 |
| 6250372 | Air conditioner An air condition includes a suction grill for sucking the air in a room, a front panel including an inlet port for sucking the air from the suction grill inside and a blowout port for blowing the air out into the room, a heat exchanger for heat exchange o... | 06/26/2001 |
| 6178966 | Heat and moisture exchange apparatus for architectural applications An apparatus for enhanced heat and moisture exchange between make-up and exhaust air streams includes a housing having an exterior wall defining an interior channel through which air streams may pass and a water vapor permeable barrier disposed within the... | 01/30/2001 |
| 5791408 | Air handling unit including control system that prevents outside air from entering the unit through an exhaust air damper A control system for controlling an air handling unit. The control system links the position of an exhaust air damper and a recirculation air damper so as the exhaust air damper is opened, the recirculation air damper is closed the same amount, and vice v... | 08/11/1998 |
| 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 |
| 5485878 | Modular air conditioning system A heating, ventilation, and air conditioning (HVAC) system is disclosed which is capable of receiving interchangeable ventilation modules having varying degrees of air mixing abilities. A ventilation module fits inside the HVAC system and connects to a re... | 01/23/1996 |
| 5478988 | Thermal exchange composition and articles for use thereof A thermal exchange composition made from clay, glycol and/or water for retaining and slowly releasing hot and cold temperatures is provided. The composition can further include polyacrylamide, for mixing with water, and olivine. The composition can be inc... | 12/26/1995 |
| 5417275 | Air circulator control apparatus and method An air circulator control apparatus and method of use for at least one air circulator and a climate control system having a heater and a cooler to regulate the air temperature of a vertical column of air in a structure. The present invention seeks to over... | 05/23/1995 |
| 5392846 | Heat/cooling system and apparatus This invention provides a heating/cooling system including a heating/cooling apparatus, the apparatus comprising a blower unit connected to a heat exchanger unit and both units are enclosed within a duct structure which is continuous from an upstream inpu... | 02/28/1995 |
| 5372189 | Air conditioner An integral type air conditioner intended to suppress the reduction in air conditioning ability to the utmost, even in introducing open air, includes a partitioning plate for partitioning the interior of the main body into an indoor side chamber and the o... | 12/13/1994 |
| 5348077 | Integrated air exchanger An integrated air exchanger (10) is disclosed for controlling the volume and temperature of air exchanged between an external environment (14) and a supplied environment (16). In that regard, a relatively simple crossed damper (72) controls air introduced... | 09/20/1994 |
| 5301744 | Modular air conditioning system An air conditioning system is disclosed which is capable of receiving interchangeable ventilation modules having varying degrees of air mixing abilities. A ventilation module fits inside the air conditioning system and connects to a return air opening, an... | 04/12/1994 |
| 5295531 | Air conditioner with outside air introduction path An air conditioner having a partition for partitioning the inside thereof into indoor and outdoor sections with an intake port. A damper is provided at the intake port so that an outdoor air introduction path of the outdoor section and an outdoor air disc... | 03/22/1994 |
| 5203400 | Air conditioner In the present invention, for facilitating inspecting of a centrifugal type fan set in an air conditioner, a fan scroll is provided having a nose portion and a scroll portion of the fan scroll which are integrally molded, and the back of the fan scroll is... | 04/20/1993 |
| 5117899 | Air handling apparatus The air handling apparatus provides a separate heating mixing air deck and a separate cooling mixing air deck each with their own return air and outdoor air supplies to maximize indoor air directed to the heating deck and monitor the cooling deck to utili... | 06/02/1992 |
