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| Number | Title | Issue Date |
| 7185510 | Air conditioning and ventilating system Air conditioning and ventilating system including air conditioner installed on a ceiling, having air outlets for discharging air having heat heat exchanged at an indoor heat exchanger, and a device for controlling a direction of air discharged from the air outlets, ... | 03/06/2007 |
| 7094143 | Security housing having ventilation openings A security housing contains a housing body having ventilation openings for supplying air to a heat source, in which air convection takes place for dissipating heat. First air guide elements are disposed in the housing body on a first side of each of the ventilation ... | 08/22/2006 |
| 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 |
| 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 |
| 6213867 | Venturi type air distribution system An air handling system for an enclosed space in a building includes two induction units that can be mounted above a ceiling. Each unit has an elongate air plenum section and an air mixing section forming an air mixing chamber. Air nozzles extend into the ... | 04/10/2001 |
| 6210268 | Air mixer for static mixing of two air streams The air mixer defined herein serves for static mixing of a heated air stream in a flow channel of a circulated air stream upstream of a heat treatment chamber for drying textile goods or tissue webs for example. For this purpose the air mixer is provided ... | 04/03/2001 |
| 6132310 | Integrated heating and fresh air supply device for use with an air distribution system A ventilation unit for use with a heating or cooling system that is decentralized and does not require large conduits is disclosed. The system includes at least one fresh air intake; a fan operatively connected to the at least one fresh air intake for dra... | 10/17/2000 |
| 6004204 | Induction nozzle and arrangement This invention relates to an induction air handling unit of the type that uses a primary air flow to induce flow of secondary air through the air handling unit. It comprises an induction chamber (2) having an air flow entrance (22) and an air flow exit (2... | 12/21/1999 |
| 5636993 | Air inductor device for controlled fresh air intake in an air heating system A fresh air inductor device for installation with a forced-air heating appliance ensures an adequate supply of fresh air is tempered prior to introduction to the heating appliance. Air from the supply plenum of the heating appliance is applied to the devi... | 06/10/1997 |
| 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 |
| 5230656 | Mixer ejector flow distributor An apparatus for attaining improved flow uniformity through and at the exit of an air duct by mixing and distributing the air flow. The apparatus has a wall containing a plurality of convoluted corrugations or lobes arranged in conjunction with an airfoil... | 07/27/1993 |
| 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 |
| 4711162 | Method of ventilating rooms In a method of ventilating rooms, fresh air is introduced into the room at one or several places at floor level by means of diffuse air supply, and the room air is exhausted at the ceiling level of the room. One or several jets of fresh air (2a, 2b) are b... | 12/08/1987 |
| 4703685 | 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... | 11/03/1987 |
| 4546696 | Wall construction for a vehicle cab In construction vehicles (10) it is not uncommon to have the cab or operator's station (12) positioned directly adjacent the engine enclosure (14). Being so positioned, the transfer of the heat created by the engine (16) is often transferred directly into... | 10/15/1985 |
| 4426917 | Method of and apparatus for conditioning the atmosphere of a space The invention relates to a method of and apparatus for conditioning the atmosphere of a space, in which ventilating air of the space 3 is mixed with heated or cooled air by induction round clusters of jets 8 which are fed with heated or cooled air from an... | 01/24/1984 |
| 3946647 | Device for preferably cooling a room by a ventilation air stream The throwing length of a stream of air entering a room through a large-area ventilator outlet is controllably increased by including within the aperture of the ventilator at least one air nozzle of adjustable direction and orifice cross-section and suppli... | 03/30/1976 |
