Abstract: An indoor unit for an air-conditioning apparatus includes a body having an opening, a decorative panel attached to the body to cover the opening, and a filter disposed between the body and the decorative panel. The decorative panel has a rectangular air inlet grille disposed at a location that faces the opening of the body. The air inlet grille has long-side wall portions that face each other, a plurality of short-side wall portions disposed perpendicularly to each of the long-side wall portions, a bottom portion surrounded by the long-side wall portions and the plurality of short-side wall portions, and hook receiving portions located in respective grille corner portions each located at the corresponding one of four corners of the bottom portion. The filter is formed in a rectangular shape and has hook portions in respective filter corner portions each located at the corresponding one of four corners of the filter. The hook portions are engaged with the respective hook receiving portions.

Abstract: Fume evacuation systems are disclosed. An example fume evacuation system includes: an air handling system for drawing components comprising air, fumes, smoke, or particulate, or a combination thereof from a metal working application; an air conduit couple to the air handling system for conveying the components from the metal working application towards the air handling system; and a hood coupled to the air conduit and configured to be positioned at the metal working application, the hood comprising a structure defining a circuitous path for particulate that, in operation, allows the airborne components to pass through the hood to the air conduit but causes particulate to cool the components.

Abstract: An indoor unit of an air-conditioning apparatus includes an air outlet; and a blowout flow passage connected to the air outlet and guides air subjected to heat exchange at a heat exchanger to the air outlet. In a cross section perpendicular to an air flow direction in the blowout flow passage, the passage has a first end and a second end in a longitudinal direction. The blowout flow passage is divided into first regions, a second region, and third regions. The first regions include the first end and the second end. The second region includes a center position in the longitudinal direction of the passage. The third regions are between the first regions and the second region in the longitudinal direction.

Abstract: An airborne component extraction system includes a source of a positive pressure air stream and a source of a negative pressure air stream. The air streams are directed through conduits to a hood that distributes the positive pressure air stream into a work area, and that draws the negative pressure air stream from the work area to remove airborne components within the work area. Aspects of the hood offer greatly enhanced performance in creating a controlled region for component removal and for drawing and removing the components for the work area.

Abstract: A ventilation system that allows air to be directly discharged to an outside of a ventilation apparatus, the ventilation system including a body and the ventilation apparatus provided at an edge of an upper surface of the body and configured to take in polluted air generated during cooking, wherein the ventilation apparatus includes a suction port configured to take in the polluted air, a suction fan provided at an inside of the body and configured to generate a suction force for the polluted air to be taken in through the suction port, a passage through which the air taken in through the suction port passes, at least one filter mounted at an inside the passage and configured to purify the air passing through the passage, and an exit port communicating with one end portion of the passage and configured to discharge the air purified by the at least one filter indoors.

Abstract: An airborne component extraction system comprises a source of a positive pressure air stream and a source of a negative pressure air stream. Conduits allow the positive pressure air stream to be channeled to a work area, and the negative pressure air stream to be drawn from the work area to pull airborne components away from the work area. A manifold receives the conduits and aids in directing both air streams between the sources and the conduits. The manifold may support the conduits in the form of an arm that can be rotated while directing the air streams.

Abstract: An indoor device for a cassette type air conditioner is provided. In the indoor device for the cassette type air conditioner, an outer edge of a suction grill extends to form inner lines of a plurality of discharge holes of a panel, and the suction grill may be opened while slidably moving without interfering with the panel according to a shape thereof.

Abstract: Apparatus includes a four sided ceiling pass-through support structure and an angled air exchange structure wherein an air inlet portion is substantially co-planer with the ceiling and at least one air outlet portion is angled with respect to the air inlet portion at an angle other than 90 degrees.

Abstract: A square deflector insert for a drop ceiling made of four identical sides that can be simply field assembled and installed. In contrast to previous single-piece inserts, the new inserts provide much more compact packaging for shipping but can be assembled quickly just before installation. Although described in terms of a square deflector the invention is applicable to other polygonal shapes.

Abstract: An air conditioner of a track system vehicle includes two air conditioning units disposed in parallel in a horizontal direction and mounted on the roof of a vehicle, a plurality of outlets of two air conditioning units facing a vehicle center side, a first duct connecting two air conditioning units, and a second duct which bypasses to the vehicle ends.

Abstract: An audio equipped fan is disclosed having a housing defining an inner cavity, a motor disposed at least partially in the inner cavity of the housing and having an output shaft extending therefrom that is rotatable by the motor, a fan connected to the output shaft of the motor and rotatable therewith, a grille connected to the housing and positioned in alignment with the fan, the grille having an interior side and an exterior side and defining first openings through which air may flow while the fan is rotated and second openings through which sound may travel, and having a speaker connected to at least one of the housing, motor, fan and grille and aligned on the interior side of the grille with the second openings of the grille so that sound may travel from the speaker through the grille. Related methods are also disclosed.

Abstract: A ceiling-mounted air conditioner is provided.

Abstract: The invention relates to a flat element (1) for thermally adjusting indoor air, especially for cooling indoor air. Said flat element (1) comprises an air guiding chamber (2) and an active cover surface (3) having microholes (4). The air guiding chamber (2) has an upper side (5), a plurality of sidewalls (6a, 6b), at least one opening (7) for letting air in and at least one opening (8) for discharging air. The active cover surface (3) closes the air guiding chamber (2) towards its open bottom side. The upper side (5) of the air guiding chamber (2) is shaped so as to have at least one baffle (10) having at least one air guiding edge (11).

Abstract: A ceiling mounted ventilation fan comprises a main housing including a first opening communicating with a duct and a second opening communicating with inside of a room, and a fan unit including a fan casing having an air inlet opened in the main housing, and the fan casing includes a first engagement part releasably engaged with the first opening of the main housing, and a second engagement part releasably engaged with an inner wall of the main housing, positioning of the fan casing in an installation position is achieved in a state that the first engagement part is engaged with the first opening and the second engagement part is engaged with the inner wall of the main housing, and a state of the engagement can visually be confirmed through the second opening in a state that the positioning is achieved.

Abstract: An air moving system includes an air moving device including a housing member, a rotary fan assembly, and a nozzle, the housing including a plurality of air intake vents. The nozzle is configured to move relative to a longitudinal axis of the air moving device. The air moving system includes a ceiling grid structure. The air moving device is configured to rest within a grid within the ceiling grid structure or within an opening in the ceiling.

Abstract: A self-contained pre-manufactured roof top unit is used to circulate fresh air, heat or cool a building. The housing has a blower connected into a circulation system to circulate air into and out of the building. The unit has a pressure relief opening for connection into the building that is used to relieve air pressure buildup within the building. The pressure relief opening is part of a pressure relief passage that is independent of the blower and has an exhaust vent that opens and closes automatically in response to pressure differential between the building and ambient air.

Abstract: The present invention provides a compact ventilation system provided with an air purifying function. The present invention includes a case having at least one inlet and outlet communicating with an indoor space, an air supply duct connected to the case to allow the case to communicate with an outdoor environment, a fan provided within the case, the fan sucking air introduced into the case via the air supply duct, the fan blowing out the sucked air to the at least one outlet, an air guide provided within the case to guide the air introduced into the case to the fan and to guide the air blown from the fan to the at least one outlet, and an air purifying member situated next to a lateral side of the fan between the fan and the at least one outlet to purify the air blown from the fan.

Abstract: Ventilating and air purifying device including a case having a blower therein provided to a ceiling or a wall, a first flow passage provided between the blower and a room for making an outdoor, the blower, and the room in communication, a second flow passage for making the room, an inside of the case, and the outdoor in communication, and a damper in the case for isolating the first flow passage from the second flow passage so that room air is discharged to the outdoor and the room air is guided to the blower, or making the first flow passage and the second flow passage in communication so that the room air introduced into the second flow passage is guided to the blower, thereby ventilating and purifying the room air.

Abstract: Multiple methods of supplying conditioned air to a room and components therefor are provided. A dual plenum system has a supply plenum for delivering supply air to the room and a return plenum for returning room air to an air handling unit. Conduits are provided to permit passage of the return air through the supply plenum without breaching the integrity of the supply plenum. Modular units permit a user to customize the supply and return apparatuses. A terminal unit having a controllable damper blade can be applied to a diffuser to permit the unit to be convertible between a constant volume unit and a variable volume unit. A thermostat generates signals that open and close the damper blade at determined intervals.

Abstract: A method and apparatus for delivering conditioned air using short duty cycles during which a damper is fully open for a time and fully closed for the remaining time. Conditioned air is continuously supplied to a plenum at low pressure and is applied to the space when the damper is open and blocked when the damper is closed. The proportion of on to off time during each duty cycle is adjusted to meet the load. When several supply terminals serve a space, their duty cycles are staggered to avoid fan instability. A special motor is coupled directly to the damper shaft for fast opening and closing of the damper. A magnetic latch holds the damper open or closed until the motor moves it again.

Abstract: A ceiling panel structure (10, 310) is mounted on a ceiling surface (201) downstream of an air-outlet (211) of a ceiling-mounted air-conditioning apparatus (indoor unit) (200) having an air-inlet (210) at a central portion and the conditioning air-outlet (211) at a peripheral portion. The ceiling panel structure minimizes the smudging of the ceiling surface, and is applicable even to the pre-mounted or existing air-conditioning apparatus. The ceiling panel structure (10, 310) can be mounted on the ceiling surface (201) outside of the air-conditioning apparatus (200), and has a deflection induction portion (47, 347) substantially rigid against the airflow to deflect a part (S1, S2) of the conditioning air blown out through the air-outlet (211) of the air-conditioning apparatus (200) back to the room air-inlet (210).

Abstract: A module for use as a part of an outlet for conditioned air and to support, be supported by, or connected to another part of the outlet. The module comprises a module frame and at least one deflection damper pivotally mounted vertically within the module frame. At least one trajectory vane is pivotally mounted horizontally within the module frame. An adjusting mechanism is secured within each trajectory vane for adjusting the angle of each trajectory vane relative to the module frame responding to the temperature of the supply conditioned air.

Abstract: A faceplate of a blower for an air conditioner in the present invention relates to a faceplate juxtaposed with at least one wind outlet and at least one wind inlet, wherein each wind outlet has a swing member controlled by a driving device with swing movements to adjust cold air blowing direction and is covered with a wind-out cover connected with at least one windpipe; each wind inlet is fixed with a filter net as well as a detachable wind-in grille, and is covered with a wind-in cover connected with at least one windpipe, by which a combination of the components described above provides the faceplate with a capacity of blowing out and sucking in wind in one faceplate and with functions of wind-blowing, wind-suction, blowing-direction adjustment, rapid installation as well as repair, and forced wind-suction.

Abstract: A faceplate of a blower for an air conditioner in the present invention relates to a faceplate juxtaposed with at least one wind outlet and at least one wind inlet, wherein each of the wind outlets and each of the wind inlets are respectively disposed with a wind-out windpipe base and a wind-in windpipe base for being connected with windpipes; each of the wind outlets is provided with a swing member for adjusting blowing direction; each of the wind inlets is provided with a detachable filter net and a detachable grille, by which a combination of said components described above provides said faceplate with functions of wind-blowing, wind-suction and blowing-direction adjustment to achieve an optimum effect in air circulation.

Abstract: A wind-hole base of a blower for an air conditioner includes a faceplate, an inlet cover plate, two outlet bases, and two outlet case plates and two fix plates. The faceplate has two outlets and an inlet, a filter net is provided in the inlet, and a connector is each provided at two sides of the inlet. The inlet cover plate closes on the inlet. The outlet case plates are deposited on the outlet bases, which are respectively combined on the outlets. The fix plates are mounted on a steel frame fixed on a ceiling, screwed with the connector of the faceplate. The wind outlet cases are fixed on the two outlets and have a wind hole connected with a windpipe. Thus the wind-hole base has two functions of sending wind out and sucking wind in.

Abstract: A wind-hole base of a blower for an air conditioner includes a faceplate, a cover plate, two fix plates, and two wind outlet cases. The faceplate has two outlets and an inlet, and a connector respectively fixed at two sides of the inlet. The two cover plates have a wind hole on the inlet, and the fix plates are mounted on a steel frame fixed on a ceiling, screwed with the connector of the faceplate. The wind outlet cases are fixed on the two outlets and have a wind hole connected with a windpipe. Thus the wind-hole base have two functions of sending wind out and sucking wind in, and possible to be assembled with the fix plates screwed with the steel frame so that the wind-hole base may be easily and quickly assembled and adjusted to move its position.

Abstract: A wind-hole device of a ventilator for an air conditioner includes a face plate having wind-outlets and wind-inlets, a cover plate positioned on the wind-inlets and having vent holes, plural shells fitted respectively with the wind-outlets of the face plate, having a downward opening and a center holes formed in an center portion, and then a plurality of wind-pipe connecters respectively fitted with the vent-holes of the cover plate and the center holes of the shells for receiving wind-pipes. The wind-hole device is characterized by a space formed by the shells separated to serve as wind-exhausting chambers and wind-sucking chambers to facilitate air circulation.

Abstract: A wind inlet and outlet case for a blower of an air conditioning system is connected to an inner machine, including a body and a faceplate. The body is separated into a wind inlet room and a wind outlet room with a lengthwise vertical wall, and the wind inlet room and the wind outlet room are respectively connected with the inner machine with a separate guide pipe. The faceplate is combined with the body, having a wind outlet provided with a movable leaf unit to change direction of wind blown out, and with a wind inlet provided with a filter. Thus plural sets of the wind inlet and outlet cases may be connected to the inner machine, wind blown out and wind sucked back are guided separately by guide pipes to keep good quality of air, lowering cost, and facilitating maintenance and repair.

Abstract: A combination bath fan, register box, air conditioning and heating boot requires one opening on the wall or the ceiling of the bathroom, thus reducing the installation and maintenance costs associated with the ventilation of the bathroom. The combination includes a trim kit or assembly which is adapted to be fitted into a rough-in kit or assembly. The rough-in kit or assembly, typically mounted onto a building stud during the early phases of the building construction, has an air outlet which is connected to the outside air and an Inlet for receiving conditioned air to be distributed within a confined space. The trim assembly or kit is installed in the rough-in assembly. Louvers are provided around the perimeter of the face plate of the trim assembly to dispense conditioned air from the air inlet to the confined space with the appropriate air gradient. Air flow through the louvers is controlled using one or more slidable dampers mounted above the louvers.

Abstract: A concentric air diffuser for use with climate control systems to direct air to desired locations within the interior of a building and return air to the system includes a perforated plate between a supply inlet and supply vents. The perforated plate assists in balancing air flow out of the vents. Additionally, a baffle plate is located along the portion of the perforated plate below the supply inlet to assist in distributing air throughout the diffuser housing prior to allowing the air to flow through the clear area portion of the perforated plate and out through the vents.

Abstract: An air conditioner blowing cool air to many directions includes a housing having a hollow chamber, a face plate formed in a bottom of the housing. The face plate has a wind inlet and plural wind outlets. A wind box is provided on the wind inlet and in the hollow chamber of the housing. The housing and the wind box both have a windpipe connected to a wall and then the windpipe is connected to the air conditioner. Thus a single air conditioner can blow cool air to every corner of a room by means of the wind outlets, having at the same time functions of wind blowing and wind returning, with its cost reduced.

Abstract: A smoke diverter system is provided including an elongated ceiling housing, an elongated outlet slot formed along a length of a bottom face of the ceiling housing. An elongated inlet slot is formed along a length of one of a pair of side faces of the ceiling housing adjacent to the top face thereof. At least one elongated intake filter is mounted between the inlet slot and the outlet slot of the housing. A vacuum fan is secured within the interior space of the ceiling housing for suctioning air from the inlet slot and excreting the same from the outlet slot.

Abstract: A ventilation apparatus includes an inlet air device (14), an exhaust air device (15) and a mantle (13), which constitutes a hood where the removable air is collected and wherefrom the removable air is discharged by the exhaust air device (15). The inlet air device includes an air distribution chamber, provided with an air distribution surface in connection with the mantle. A fresh incoming air is brought to the air distribution chamber and distributed through the air distribution surface to the air-conditioned space. The inlet air device (14) is formed of a number of inlet air units (10), which are installed at regular intervals from each other, and each inlet air unit is provided with an inlet surface (5) arranged in connection with the mantle, and an air distribution surface (3) which is projected from the inlet surface (5) and is partly permeable to air.