Abstract: An air circulation system for vocal music and band ensembles provides a downdraft through a riser structure to remove aerosols from around performers in the riser structure. The riser structure includes platforms and an air intake disposed within a vertical space between the platforms. The aerosols are drawn through the riser structure, cleaned and filtered and exhausted away from the performers.

Abstract: To prevent wind leakage and dew condensation in a rotating portion of a rotating unit in a ceiling-embedded air conditioner having, in an air blowing part of a decorative panel, the rotating unit that rotates around an axis that is normal to a virtual plane of the rear surface side of the decorative panel that is parallel to the bottom surface of a body unit. An outer flange is formed on an the outer peripheral side of a rotating ring attached to a rotating unit, an inner flange that constitutes a thrust bearing together with the outer flange is formed on the inner peripheral side of an opening into which the rotating ring is fitted, and a sealing material is provided between the inner flange and the outer flange.

Abstract: Provided is an air conditioner including: a housing; an outlet configured to discharge air introduced into the housing; a discharge panel arranged in front of the outlet and having a plurality of discharge holes to discharge air; and a support member arranged between the outlet and the discharge panel and on which the discharge panel is to be supported. The support member includes a first frame to support one side of the discharge panel and formed to extend in a first direction, a second frame to support another side of the discharge panel and arranged parallel with the first frame, and a third frame arranged between the first frame and the second frame and formed to extend in a second direction perpendicular to the first direction, wherein the third frame is formed of a metal material.

Abstract: An environmental control unit, such as an HVAC or heat pump unit, includes a housing, and a blower disposed in the housing, the blower configured to draw air into the housing via an air inlet and exhaust air from the housing via an air outlet. The unit includes a heat exchanger disposed in the housing between the air inlet and the blower, and a compressor disposed within housing. The unit include features that reduce noise emitted from the compressor. The noise reduction features include a noise-reducing enclosure that encapsulates the compressor. The enclosure includes a rigid metal shell, an outer insulating structure fixed to an outside surface of the shell, and an inner insulating structure fixed to an inside surface of the shell.

Abstract: The invention provides a device for removing heat from a building, the device having: a first tubular member defining a first cavity; a second tubular member defining a second cavity, whereby said second tubular member resides within the first cavity and is coaxial to the first tubular member; a double conic body coaxially residing in the first cavity and coaxially positioned with the second tubular member; and a flange dimensioned to extend over at least a portion of the periphery of the existing flue so as to aid in supporting the device on the flue.

Abstract: An example an adjustable bracket and a damper system usable with the adjustable bracket assembly for transmitting an actuation force from an actuator to a plurality of damper assemblies. The adjustable bracket assembly may include a shaft extending along and configured to rotate about a first axis in response to an output from the actuator, a first output lever configured to transmit a rotational force of the shaft to a first damper assembly, and a second output lever configured to transmit the rotational force of the shaft to a second damper assembly.

Abstract: Described herein is an air handling unit for use in an integrated data center that provides for efficient cooling, wherein the air handling unit includes one or more uninterruptable cooling fans each with a weighted rotor for providing uninterrupted cooling during a power outage until back-up generators come on-line, and a method of using the same. The uninterruptable cooling fan rotors are configured to store sufficient energy as rotational kinetic energy. Furthermore, the uninterruptable cooling fans may also be configured for generation of electricity to power a control system associated therewith during a power outage until back-up generators come on-line.

Abstract: An HVAC system includes an indoor heat-exchange coil disposed between a supply air duct and a return air duct. A damper is disposed in a re-circulation duct and is moveable between an open position and a closed position. A controller is configured to determine if the HVAC system is operating in a heating mode or an air-conditioning mode. Responsive to a determination that the HVAC system is operating in the air-conditioning mode, the controller is configured to determine if the variable-speed indoor circulation fan is operating at a minimum speed and if the relative humidity measured by the humidity sensor is above a pre-determined threshold. Responsive to a determination that the variable-speed indoor circulation fan is operating at the minimum speed and the relative humidity of the enclosed space is above the pre-determined threshold, the controller signals the damper to move to the open position.

Abstract: An air management device may include three independently operated primary impellers 131, 131?, 131?, and drawn-in air is discharged through discharge ports 15?-1, 15?-2, 15?-3 provided in the front plate 15 of the housing 10. Louvers 141, 142, 143 installed downstream of the air flow and discharge ports 15?-1, 15?-2, 15?-3 may be independently opened or closed to provide discharge of the air to the surrounding environment. Further, at least one retractable or pop-up fan may be provided. The air management allows customization of air flow. The housing 10 of the furniture-type air management device may be installed on the floor of the livable space and may have a hexahedron shape that extends from side to side. A bottom inlet 11? may be formed on the bottom plate 11 of the housing 10 facing the floor of the living space above a predetermined distance. The replaceable filter 300 may be installed to filter the air sucked through the bottom inlet 11?, and may be drawn in and out of the housing 10.

Abstract: An air directing device for thermal management in side breathing equipment includes at least three vertical panels disposed in generally parallel relationship and horizontally spaced a fixed distance from one another. Each panel defines a fin arranged orthogonally relative to an airflow path for deflection of cooling air into side breathing equipment. At least one of the panels is an inner panel that is wider than two outer panels. The air directing device further includes at least one connection member connecting the outer panels to one another.

Abstract: An air redirect apparatus for redirecting forced air through a register access cavity. The air redirect apparatus includes a duct elbow configured to fit into a register access cavity. The duct elbow includes an entrance aperture and an exit aperture. The entrance aperture is sized to connect to a duct opening of ductwork, which routes forced air into the register access cavity. The apparatus also includes a cover plate connected to the entrance aperture and through which the entrance aperture penetrates. The cover plate is sized to cover the duct opening of the ductwork when the entrance aperture is connected to the duct opening. When the duct elbow is fit into the register access cavity, air flow from the ductwork is routed into the entrance aperture and directed out of the exit aperture of the duct elbow, while the cover plate substantially blocks air flow around the duct elbow.

Abstract: An air management device may include three independently operated primary impellers 131, 131?, 131?, and drawn-in air is discharged through discharge ports 15?-1, 15?-2, 15?-3 provided in the front plate 15 of the housing 10. Louvers 141, 142, 143 installed downstream of the air flow and discharge ports 15?-1, 15?-2, 15?-3 may be independently opened or closed to provide discharge of the air to the surrounding environment. Further, at least one retractable or pop-up fan may be provided. The air management allows customization of air flow. The housing 10 of the furniture-type air management device may be installed on the floor of the livable space and may have a hexahedron shape that extends from side to side. A bottom inlet 11? may be formed on the bottom plate 11 of the housing 10 facing the floor of the living space above a predetermined distance. The replaceable filter 300 may be installed to filter the air sucked through the bottom inlet 11?, and may be drawn in and out of the housing 10.

Abstract: A method for manufacturing an air curtain device includes steps of: a) providing a frame that includes two side wall bodies and two end wall bodies cooperatively defining an inner space thereamong, and an upper opening and a lower opening through which the inner space communicates with the external environment; b) covering an upper surface and a lateral outer surface of the frame with a first covering layer; c) closing the lower opening by placing an air-permeable plate; d) sealing a gap between the air-permeable plate and the frame by a first adhesive; e) removing a portion of the first covering layer that covers the upper surface of the frame; and f) closing the upper opening by a cover that is sealingly connected to the frame.

Abstract: The air flow of an HVAC system for a multi-story building B is controlled by optimizing the pressure setpoint at the return air plenum PL-1 used for removing or recirculate air from the building, by measuring a pressure differential between the building B air and atmosphere A air at a sensor location P-2, computing a desired pressure differential between the building B air and atmosphere A air, based upon a computed stack effect pressure that is expected to develop at the sensor location on the building for the current inside and outside air temperature in the absence of mechanical action, and controlling the return air fan and damper D-1 to pressurize the air in at the sensor location to produce the desired pressure differential between the building B air and atmosphere A air at the sensor P-2 location. Air pressure is also controlled between specific rooms and adjacent rooms by control of the conditioned air or return air paths connected thereto.

Abstract: An air management device may include three independently operated primary impellers 131, 131?, 131?, and drawn-in air is discharged through discharge ports 15?-1, 15?-2, 15?-3 provided in the front plate 15 of the housing 10. Louvers 141, 142, 143 installed downstream of the air flow and discharge ports 15?-1, 15?-2, 15?-3 may be independently opened or closed to provide discharge of the air to the surrounding environment. Further, at least one retractable or pop-up fan may be provided. The air management allows customization of air flow. The housing 10 of the furniture-type air management device may be installed on the floor of the livable space and may have a hexahedron shape that extends from side to side. A bottom inlet 11? may be formed on the bottom plate 11 of the housing 10 facing the floor of the living space above a predetermined distance. The replaceable filter 300 may be installed to filter the air sucked through the bottom inlet 11?, and may be drawn in and out of the housing 10.

Abstract: The present disclosure provides a system for controlling a temperature of a computer disposed in an enclosed compartment of a vehicle. The system includes at least one temperature sensor associated with the computer, the at least one temperature sensor for providing temperature data in connection with the computer to a control module; at least one air vent provided in a surface of the enclosed compartment, wherein the at least one air vent is positioned to direct air flow to a designated area of the computer; an air conditioning system for generating air at an air temperature specified by the control module based at least in part on the temperature data provided by the at least one temperature sensor; and at least one duct for conducting the air generated by the air conditioning system into the enclosed compartment via the at least one vent.

Abstract: An air conditioning diffuser assembly includes an air intake member mounted on an elongate upper member formed with an opening to let air pass through from the air intake member. A corner panel extends at a non-zero angle from the elongate upper member. A first corner mounting panel extends from the corner panel. A second corner mounting panel extends from the elongate upper member. Ends of the first and second corner mounting panels are separated by an elongate gap. A diffuser is mounted inside the air conditioning diffuser assembly. A bottom edge of the diffuser is mounted at a juncture between the corner panel and the first corner mounting panel and a top edge of the diffuser is mounted at a juncture between the elongate upper member and the second corner mounting panel.

Abstract: A vehicle heating, ventilation, and air conditioning unit includes a seating assembly that has a seat air duct assembly disposed within an interior of the seating assembly. A heating, ventilation, and air conditioning assembly includes a housing having a first surface and a second surface. The seating assembly is disposed on the first surface of the housing. A seat-directed duct is disposed within the housing. The seat-directed duct is in fluid communication with the seat air duct assembly and an intake defined by the housing. A condenser is disposed within the housing proximate to the intake and an evaporator is disposed within the housing proximate to an inlet of the seat-directed duct.

Abstract: A method for servicing a blower motor installed in a heating, ventilation, and air-conditioning (HVAC) assembly for a motor vehicle may include rotating a scroll housing subassembly of the HVAC assembly from an installed position to an extraction position. The method may include detaching a first securing element, the first securing element being distributed on the scroll housing subassembly and an evaporator housing subassembly of the HVAC assembly. The method may include removing the scroll housing subassembly from the HVAC assembly in a direction of extraction. The method may include that the scroll housing subassembly reaches the extraction position by axial rotation in a direction orthogonal to the direction of extraction. The method may include that the extraction position is a position at which the scroll housing subassembly is cleared for moving in the direction of extraction.

Abstract: An open display refrigerator comprises a refrigerated interior space, air in the refrigerated interior space being separated from air exterior to the open display refrigerator by an air curtain established by a fan which blows air through an air outlet towards a corresponding air inlet which recovers air from the air curtain for recirculation to the air outlet. A distal region of the air outlet is occluded to leave only a region of the air outlet proximal to the interior space open, and an air curtain guide is aligned in a direction of air flow of the air curtain with an edge of the blanking plate proximal to the interior space.