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| Number | Title | Issue Date |
| 8066560 | System and method for information handling system floor tile cooling airflow measurement External airflow rates from floor vents that provide chilled air to information handling systems are measured with a disposable tool to ensure compatibility of the information handling systems' external air cooling constraints with the cooling capacity of the floor ... | 11/29/2011 |
| 7582009 | Adjustable air volume regulator for heating, ventilating and air conditioning systems An improved air volume regulator used in HVAC operating at a static pressure below 25 pa. (0.1″w.g.) having a pair of opposing gates facing into the airflow and a V shaped baffle positioned to form two constricting passageways. Air flowing through the passageway g... | 09/01/2009 |
| 7188481 | Adjustable damper actuator An actuator for controlling the position of a damper. It is an adjustable damper actuator that can actuate a damper to have positions that are other than fully open and fully closed. The actuator has adjustable stops for attaining a partially closed or partially ope... | 03/13/2007 |
| 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 |
| 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 |
| 6921047 | Aircraft air conditioning system mixer A mixer includes a fresh air tube defining a passage having an inlet receiving conditioned air from an air conditioning pack. The fresh air tube includes an outlet providing mixed air to a cabin of the aircraft. An outer tube at least partially surrounds the fresh a... | 07/26/2005 |
| 6571522 | Covering system for buildings The covering system includes at least one panel capable of being placed in an inclined position with respect to a horizontal. The panel incudes an inner chamber, a plurality of suction apertures through which the inner chamber communicates with a void ins... | 06/03/2003 |
| 6290595 | Devices controlling and regulating an air flow A device for regulating the temperature of premises by a secondary air flow blown therein, comprises an upstream duct communicating with elements for supplying pressurized air, ending in a converging element emerging into a downstream duct communicating w... | 09/18/2001 |
| 5632675 | Mixing section for supply air and return air in an air-conditioning apparatus Mixing section for outdoor air and return air in an air-conditioning apparatus, the mixing section being positioned between a supply duct supplying outdoor air into a room and a return duct removing exhaust air from the room for mixing outdoor air and ret... | 05/27/1997 |
| 5413530 | Device for controlling temperature in a room A device for regulating the temperature in a room having an extraction vent and a delivery vent, using pulsed low-velocity air flow (qs). A pipe is provided in communication with a pressurized air supply duct via extraction and delivery orifices, and the ... | 05/09/1995 |
| 5127878 | Mixing box An improved mixing box is disclosed. The mixing box comprises an inlet end, an outlet end, a substantially closed first passage to which primary air flows from a primary air inlet and then through induction means and to and from the outlet end. The induct... | 07/07/1992 |
| 4913036 | Mixing box An improved mixing box is disclosed. The mixing box comprises an inlet end, and outlet end, a substantially closed first passage to which primary air flows from a primary air inlet and then through the induction means and to and from the outlet end of the... | 04/03/1990 |
| 4858519 | Mixing box An improved induction mixing box and a method for operating it are disclosed. The mixing box is a double induction box in which secondary air is induced to flow into the box by induction nozzles, a fan, or both, for mixture with primary air and delivery t... | 08/22/1989 |
| 4446774 | Air conditioning apparatus Air conditioning apparatus is disclosed. The apparatus is a terminal of the mixing type, receiving primary conditioned air, and delivering that air or a mixture including that air and recirculated air as required, for air conditioning. The rate at which p... | 05/08/1984 |
| 4350100 | Air infiltration and mixing device An air infiltration and mixing device for introducing cool air into a duct, such as an exhaust duct from a power generation boiler, carrying a gas at an elevated temperature comprising a first duct carrying the gas at an elevated temperature and a plurali... | 09/21/1982 |
| 4276817 | Air bar assembly A lighting fixture is disclosed. The lighting fixture comprises a top and side and end walls, means for supporting a light source in the fixture to emit light from a light-emitting side thereof, and conduit means operatively associated with the fixture so... | 07/07/1981 |
| 4255176 | Combined air purifier and destratifier A combined unit for purifying and destratifying heated air including a first inlet at a lower area for receiving air to be purified, an air purifier including an air demister and an electrostatic precipitator, a fan for drawing air through the first inlet... | 03/10/1981 |
| 4113176 | Air-conditioning An air discharge terminal unit comprising a housing which has an air inlet and an air outlet. Means is provided between the air inlet and air outlet for dividing an air flow through the unit into primary and secondary air streams, each of which moves in a... | 09/12/1978 |
| 4048809 | Air conditioning A method of cooling air in a space and air conditioning apparatus for carrying out this method. Primary air at a temperature much below the temperatures used in conventional systems, is mixed with secondary drawn from the space, the mixture then being int... | 09/20/1977 |
| 3981326 | Induction mixing nozzle An apparatus for mixing two fluids of the same phase. The apparatus includes a mixing nozzle, an adjustable flow rate injector for introducing an annular flow of primary fluid into the mixing nozzle at a selected primary fluid flow rate, and a nozzle port... | 09/21/1976 |
