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| Number | Title | Issue Date |
| 7361016 | Temperature control assembly for use in etching processes and an associated retrofit method A temperature control assembly for use in etching processes includes a housing, a cooling conduit, fasteners, and a mounting block. The fasteners couple to the housing and operate to associate the cooling conduit, which is formed from a non-corrosive metallic materi... | 04/22/2008 |
| 7238106 | Air delivery system The present invention relates to a system for delivering temperature and flow rate controlled warmed air to outlets for use in various apparatus. The system is typically in residential structures, such as homes, but could easily be adapted for apartment buildings as... | 07/03/2007 |
| 7216698 | Air-conditioning system An air-conditioning system for a building includes a hot water distribution circuit, a cold water distribution circuit, and several terminal air conditioning units. Each of the terminal air conditioning units includes a fan blowing air in a space of the building, a ... | 05/15/2007 |
| 7214131 | Airflow distribution control system for usage in a raised-floor data center An airflow distribution control system for usage in a raised-floor data center comprises an under-floor partition with a controllable flow resistance and a sensor. The partition is capable of selective positioning in a plenum beneath the raised-floor. The sensor is ... | 05/08/2007 |
| 7059536 | Air circulation system An air circulation system for use with or without ductwork having an outside air stream and a return air stream includes a controller and a return damper apparatus operatively connecting the return air stream to the controlled environment. The air circulation system... | 06/13/2006 |
| 7043974 | Multiple-blower relative humidity controlled test chamber An accelerated weathering apparatus includes a test chamber (30), a specimen supporting means (34), a light source (60) powered by a power source controlled by a ballast, at least one chamber air temperature sensor (26), a black panel tem... | 05/16/2006 |
| 7013969 | Low noise level HVAC system having displacement with induction A displacement ventilation, low noise level, mixed air, HVAC system for ventilating a commercial or educational facility. The system includes a central HVAC air handling unit containing first and second duct works for receiving and transmitting conditioned air to ro... | 03/21/2006 |
| 6986386 | Single-coil twin-fan variable-air-volume (VAV) system for energy-efficient conditioning of independent fresh and return air streams An HVAC system has two variable-air-volume (VAV) systems, a first VAV system for moving fresh air and a second VAV system for moving recycled air. Both the fresh air and recycled air are cooled and dehumidified by a single heat-exchanging coil. The fresh and recycle... | 01/17/2006 |
| 6974380 | Laboratory air handling unit The invention is an air handling system that is shared between a laboratory and offices within the same building. The normally separate office and lab systems have been combined by way of an air return system that draws air from the offices and feeds into both the o... | 12/13/2005 |
| 6968707 | Variable speed, electronically controlled, room air conditioner A variable speed air handling system for cooling and/or heating a room and a method of controlling the system. The system includes a fan assembly to transport air from the system into the room, the fan assembly having a substantially continuously adjustable speed wi... | 11/29/2005 |
| 6904260 | Fixing apparatus and fixing method for a printer Fixing toner on a print substrate in printers a cooling device is provided for cooling the sheet with a coolant after fixing the toner to the sheet, the cooling device having a flow passage for discharging the coolant onto the sheet the flow passage converging to in... | 06/07/2005 |
| 6695218 | Predictive comfort control A controller that monitors air conditioning operation and performs calculations to determine when operation of the building's circulating fan would improve comfort levels. Based on the results of those calculations, the controller periodically operates th... | 02/24/2004 |
| 5404934 | Retrofit air conditioning system A retrofit air conditioning system for use with an existing induction air conditioning system is disclosed, wherein the existing system includes a central fan unit supplying air to a plurality of distribution units in corresponding rooms. The retrofit air... | 04/11/1995 |
| 5333783 | Automated air mixing system An air handling system is provided which includes sections for the introduction of outside or ambient air relative to a structure to be mixed with a flow of inside or return air in a flow path in which the resulting mixture is impelled by a fan to be disc... | 08/02/1994 |
| 5005636 | Variable air volume ventilating system and method of operating same A variable air volume ventilating system includes a fan volume modulator, for controlling a series terminal fan. A controller determines the proper fan motor speed, and generates a control signal which is transmitted to the fan modulator for varying the v... | 04/09/1991 |
| 4947928 | VAV system coordinator A microcomputer-based system coordinator for variable air volume (VAV) system through which conditioned air is supplied to a plurality of zones. The VAV system coordinator (VSC) is used to coordinate a central system VAV cooling and heating operation base... | 08/14/1990 |
| 4942921 | Forced air ventilation system The variable air volume ventilating system includes a control device for driving a fan at continuously variable speeds for delivering air to the space for conditioning purposes. A controller monitors various conditioners of the space, to, in turn, cause t... | 07/24/1990 |
| 4775001 | Zoned air conditioning system A zoned air conditioning system using a room air terminal which has the same horizontal dimensions as a floor tile of a raised tile floor such that the terminal may replace one tile in such a floor. The terminal includes a cool air inlet below the floor f... | 10/04/1988 |
| 4473107 | Fan/coil induction unit, system, and method A system for heating, cooling, and ventilating a structure having exterior zones adjacent exterior walls and interior zones adjacent the exterior zones and opposite the exterior walls. The system includes for each pair of exterior and interior zones a fir... | 09/25/1984 |
| 4157112 | Air conditioning method The disclosure relates to a method of air conditioning a multi-storey building having a core area and a plurality of occupied spaces disposed around said core area and arranged in zones. The method includes the steps of recirculating air in each said zone... | 06/05/1979 |
| 4008756 | Apparatus for air conditioning employing variable terminal box A heating and air conditioning system and a special variable volume terminal box associated therewith, the system utilizing energy dissipated by the lighting and other building facilities in a controlled manner through the functioning of the variable volu... | 02/22/1977 |
| 3951205 | Air-conditioning apparatus Disclosed is an air-conditioning apparatus for use in controlling the temperature of air in and delivered to a plurality of rooms or spaces. The apparatus has a central utility means which supplies a pressurized volume of cold air. Ducting is provided to ... | 04/20/1976 |
