Abstract: In an embodiment of the present disclosure, a filter housing system of a heating, ventilating, and air conditioning (HVAC) system includes an enclosure configured to support a filter, a connecting channel disposed within a corner of the enclosure and coupled to the enclosure, and a locking system configured to couple to the connecting channel and configured to secure the filter within the enclosure. The locking system is configured to secure the filter within the enclosure via rotation of a screw.

Abstract: A gas filtration system including an orificed barrier having a plurality of orifices through which gas can be forced, each orifice being sealed by a filter bag via which said air can pass and be filtered, each filter bag having a mouth opening biased to an open condition to force a mouth opening seal of the filter bag against a seat of the orifice by an underlying resiliently deflectable band that is deformable inwardly to facilitate the seating with yet allow removal of the filter bag from the barrier, each filter bag defining a passage but with an enclosed end region such that at least some solid matter can be filtered from the passing air and is contained inside the bag.

Abstract: A grate access floor panel comprising a support frame and a plurality of vanes supported by the frame, each of the plurality of vanes having an upstream end and a downstream end with respect to a direction of airflow across the plurality of vanes and faces that extend between the upstream and downstream ends, wherein at least some of the vanes have openings that extend through the faces thereof and have angled tips.

Abstract: A single piece roll-formed frame comprising a first channel having a base section and one or more legs, each leg comprising an upper side extending from the base section at a first angle and a lower side extending from the upper side at a second angle, a second channel having a base section and one or more legs, each leg comprising an upper side extending from the base section at the first angle and a lower side extending from the upper side at the second angle and wherein the base section of the first channel and the base section of the second channel are formed from a single piece and intersect to form a third angle, and the upper side of each leg of the first channel overlaps the upper side of each leg of the second channel.

Abstract: Support for cooling/heating beverages in vehicles, intended for use and anchoring in the corresponding air conditioning outlet nozzles of a vehicle, the nozzles being provided for this purpose in the dashboard of the vehicle itself. The support is composed of a preferably cylindrical body, externally having a protrusion with a flat outer surface to adapt to the air outlet nozzle of the vehicle, in line with an area of its lateral surface, the air inlet nozzle of the vehicle also having a wide opening to the inside of the cylindrical body, and a number of tabs serving as anchoring clips on the air outlet nozzle of the vehicle, with the specific characteristic that air outlet orifices have been provided on the opposite end of the cylindrical body, as well as a guide along which a pushbutton stem with an inner horizontal plate for lifting the vessel or beverage container contained in the cylindrical body can be slid, by sliding said stem upwards.

Abstract: A modular a bracket which forms a cavity such that the bracket surrounds and supports an actuator. In one embodiment, the bracket is made of multiple pieces and also connects together without the use of fasteners. The pieces are connected together through the use of several attachment features, with a portion of each of the attachment features integrally formed as part of each half. The bracket also includes a plurality of alignment features integrally formed as part of the bracket. The alignment features support and properly position the actuator within the cavity. The design of the bracket reduces and simplifies design and tooling, and also has minimal components and fasteners, which also simplifies and reduces labor time.

Abstract: An inlet valve for a central vacuum cleaning system having a central vacuum motor connected to a piping network, is disclosed. The inlet valve includes a main body having an air inlet passageway formed therethrough and a pipe connector to connect the air inlet passageway of the inlet valve to the vacuum piping. An outer door is provided which is pivotally mounted to the main body on an opposite side to said connector and an inner door is provided which is pivotally mounted to said main body at one end between the outer door and the main body and seals the air inlet passageway when the inner door is in a closed position. A releasable latch is operatively connected to the outer door to keep the outer door and the inner door closed on the front of the valve when the inlet valve is not in use and a spring is provided to cause the inner door and the outer door to open upon the latch being released.

Abstract: The present invention generally relates to an HVAC door and method of use for an HVAC system in a vehicle, and more specifically to an airflow distribution door for use in a vehicle climate control system configured to suppress flutter of the door.

Abstract: An air vent cover system for mounting within a duct has a pair of side walls, a top wall, and a bottom wall. The air vent cover system comprises a housing with an opening. A tensioning mechanism releasably maintains the housing within the duct by applying an outward force on two opposite walls of the duct causing the other two opposite walls to move inward against the housing. A non-pivoting, stationary grate is secured to the housing with the stationary grate having horizontal and vertical bars and the bars spaced from each other to maintain a child-sized hand from going between the bars. A cover grate is pivotally mounted to the housing and has a plurality of semi-circular slits for allowing maximum amount of air to pass therethrough. A latching mechanism secured to the housing and cooperating with the cover grate releasably maintains the cover grate against the housing.

Abstract: There is disclosed an airflow control terminal for use in controlling the supply of air into a building. The airflow control terminal includes a housing having a bottom, a top, two opposite sides and an interior, said top comprising a grill for allowing air to flow from the interior of the housing to the interior of the building. A heating unit is positioned in the housing between the bottom and top. One of said bottom and opposite sides has a plurality of first apertures to. A damper is mounted to the bottom and opposite sides, the damper configured to control an airflow from outside of the rectangular housing to the interior of the rectangular housing. The heating unit is positioned above the first apertures.

Abstract: A method and apparatus for field mounting of displacement diffusers comprises a displacement diffuser adapted to mount onto a mounting angle bracket attached to a wall. The displacement diffuser includes a mounting profile adapted to allow the displacement diffuser to be mounted to the mounting angle bracket secured to the wall. This adapted profile also accommodates a mounting profile cover installed on the side of the diffuser for a finished appearance.

Abstract: An air supply register which comprises at least one sphere, with each sphere having at least one internal conduit through which supplied air travels, where the surface of a sphere is in contact with at least one other surface which controls whether the supplied air may enter into an entrance to a conduit within the sphere, and/or exit from the conduit through an exit opening toward a room or enclosure. A mounting framework supports the at least one sphere, and includes at least one holding socket for holding a sphere. The size of individual spheres, the size and shape of the conduit, and the surface area of a sphere which is covered by a holding socket may vary.

Abstract: An air register assembly is adapted to be inserted into a forced air duct, and configured to streamline and mix airflow in the duct. The assembly includes a face-plate having a vent, a frame attached to the face-plate and arranged to extend into the duct. The assembly additionally includes a plurality of mounts arranged on the frame, and a first and second mesh panels configured to be selectively inserted into, and removed from the frame. When the first and second mesh panels are inserted into the frame, the panels are supported by the mounts, the first panel is disposed between the face-plate and the second panel, and each of the first and second mesh panels is positioned substantially perpendicular to the airflow.

Abstract: An air conditioner register includes a downstream retainer portion, a barrel pivotally mounted in the downstream retainer portion to change the flow direction of air for air conditioning, and a pair of guide fins. First outer surfaces of the barrel extend along first inner surfaces of the downstream retainer portion. The barrel is supported pivotally about a pivot shaft extending in the direction perpendicular to a second inner surface of the downstream retainer portion. Each of the guide fins guides air for air conditioning into the opening of the barrel upstream in the airflow direction. Together with pivoting of the barrel from its neutral position, one of the guide fins is moved together with the barrel to a position between the barrel and a portion of the first inner surface of the downstream retainer portion from which the opening of the barrel upstream in the airflow direction becomes separated as the barrel pivots.

Abstract: A diffuser for positioning in an opening of a passageway having conditioned air, the diffuser including a grate assembly, a pan assembly, and a retention assembly. The grate assembly includes an upper portion and a lower portion. The upper portion contains an aperture, a plurality of slotted sections, and a flange. The lower portion includes downwardly depending sidewalls and a stop. The pan assembly includes a tray with an aperture and a plurality of upwardly depending legs. The retention assembly couples the grate assembly with the pan assembly and contains a first member that is movable from a first position to a second position for selectively engaging the stop.

Abstract: An adjustable boot hanger mounting bracket assembly comprising a boot hanger frame portion and a support member portion; the ductwork components, which may include a prefabricated can-boot/mud ring assembly; a pair of boot hanger arms; and a register grille. The boot hanger mounting bracket assembly is formed of a sturdy yet bendable material so that it can be configured and adjusted on-site. Once configured, the assembly is secured to the building structure by a securing a pair of boot hanger arms to the ceiling joists, wall studs, or other support structure. In this way, the boot hanger mounting bracket, through a direct attachment to the ceiling joist or wall stud, provides a positive inexpensive simple and error free way to mount the duct components.

Abstract: An air damper assembly for regulating an air flow includes a frame, a plurality of elongated damper blade rotatably mounted to the frame, and a drive mechanism for actuating the damper blades between open and closed positions. The drive mechanism includes a gear fixedly secured to a distal end of each of the damper blades and an elongated rack slidably coupled to the frame.

Abstract: The invention relates to ventilation grilles (22, 24), ventilation grille frames (10) and ventilation grille slats (12, 14), and to methods of producing ventilation grilles (22, 24). According to the invention, the ventilation grille frame (10) comprises horizontal slat holders (16) and vertical slat holders (18) which lie at least substantially in one plane. As a result, one and the same ventilation grille frame (10) can be selectively fitted with horizontal or vertical ventilation grille slats (12, 14), thus achieving a flexible configuration.

Abstract: The invention provides the combination of a grille and a connector frame for a duct outlet in a HVAC system. At least one lock element extends from one of the connector frame and the grille and releaseably engages the other of the connector frame and grille in a releasable connection to hold the grille to the connector frame. The lock element may be manipulated from the exterior of the grille to release the grille from the connector frame without the use of tools.

Abstract: An air conditioning register including a plurality of adjustable slats coupled to respective pinion gears. The pinion gears may engage with a rack gear so that a linear motion of the rack gear translates into a rotational motion of the pinion gears. A driving gear coupled to a shaft may be used to drive the rack gear. The shaft can be driven by a manual tool of suitable length, or by electrical or electronic methods. The manual tool and/or electronic methods may be so designed that a user can rotate the shaft without being in close proximity to the register.

Abstract: A frame mounted to the bottom opening of an air duct for supporting a variety of interchangeable air control devices. The frame has a top section with a central opening that permanently mounts to and surrounds the perimeter of the bottom opening of an air duct, and a bottom section which is foldably connected to the top section. The bottom section connects to the top section by means of a hinge joint at one end and a latching mechanism at the other, which together removably holds the bottom section to the top section in a folded and closed position. The bottom section has an interior stepped portion for removably securing an interchangeable air control device. When released, the bottom section swings downward into an open position to allow easy access to the interchangeable air control device.

Abstract: A complete plastic HVAC system assembled using individual plastic components for ensuring the efficient and quiet distribution of air from a central air unit to multiple distribution points and preventing heating and cooling losses, the need for installers to stock multiple sized and shaped components, the accumulation of dust, dirt and pollens during storing, installing and use on the surfaces of the individual components. The fittings have a collar sizable to fit both 6 and 7-inch pipe, whether flexible or rigid. The use of plastic fittings, duct and pipe removes the potential of injury commonly associated with conventional metal ductwork, while providing seamless components that can be configured for any type of installation and insure an air tight connection between adjoining surfaces. The individual fittings include a register boot, torpedo boot, straight boot, rigid and flexible pipe and couplers, straight and 90-degree takeoffs, a plastic duct and duct end cap.

Abstract: A wall-mounted grille particularly for the passage of air from an air-conditioning unit toward the outside, the grille being constituted by a perimetric frame inside which a plurality of deflecting vanes are fixed in a parallel arrangement and have a substantially concave transverse cross-section with the concavity directed upward, the vanes having, on their bottom, drainage openings for draining rainwater toward an underlying sloping wing which is interposed between the last lower deflecting vane and the lower edge of the frame.

Abstract: A heating, ventilation and air conditioning (HVAC) system may include one or more ducts and each duct may include one or more sections. A duct section, for example, may include a flange, which may help increase the ease and efficiency of installing the duct section. The flange may also help provide a seal between portions of the duct section and other structures. A duct section may include a cover, which may advantageously help prevent animals, debris and the like from entering and/or passing through the duct section. A duct section may also include a barrier, which may also help prevent animals, debris and the like from entering and/or passing through the duct section. The barrier may also include one or more air-permeable portions through which at least some air may advantageously pass.

Abstract: An inlet apparatus for central vacuum cleaning systems is described that can be integrated with registers commonly used with heating and air conditioning vents in residential or commercial buildings. In particular, the apparatus opens to provide a vacuum inlet that will either remove debris directly, or through an attached hose, using the suction provided by the connected conventional central vacuum cleaning system. The apparatus contains a register body and an inlet that can be integrated with the conventional pipe ductwork used for central vacuum cleaning systems. The apparatus will seal closed when not in use in order to provide full suction to any other inlet currently in use.

Abstract: A modular heating, ventilation and air conditioning system including a rectangular sleeve that can be secured through an exterior wall of a building for moving air between an exterior of the building and the interior of the building, an electrical outlet fitted with an electrical outlet adapter pan that connects the outlet within the sleeve, a through-wall air conditioning unit fitted with an air conditioning adapter collar that connects the air conditioning unit within the sleeve, a heater unit fitted with a heater unit adapter pan that connects the heater unit within the sleeve and an electrical system control module including a thermostat and control pad assembly, a first switch and a second switch that selectively activates the sockets of the outlet.

Abstract: A ceiling has an upper surface, a lower surface and a circular aperture. A boot has a cylindrical lower section and a large circular cross sectional configuration and with a cylindrical upper section and a small circular cross sectional configuration. The diameter of the circular aperture is slightly greater than the diameter of the lower section of the boot. The boot also includes a circular flange extending radially outwardly from the lower edge of the boot with threaded apertures around the flange. A grill has an exterior diameter equal to the exterior diameter of the flange. Threaded apertures are aligned with the apertures of the flange with bolts to removably couple the grill to the boot. The grill has a plurality of slots for the flow of air there through.

Abstract: A register opening cover may be used to cover register openings until the register boot is installed in the register opening. During the installation of the register boot, the invention may be used to hold the register boot in place until the register boot is securely connected to the floor. After the register boot is installed, the cover forms an insulator around the register boot. One embodiment of the invention provides a register opening cover and register boot frame that can be configured to fit register boots of different sizes. Another embodiment of the invention provides a register opening cover that will support some of the weight of a worker who may step on the covered register opening.

Abstract: A wall-mounted supply-air device comprising an upper valve part connected to an upper edge of an aperture in a primary wall side and a lower valve part connected to a lower edge of the aperture in the wall side, the supply air to the device being arranged to be supplied downwardly to the inlet side of the device, between the primary wall side and a secondary wall side in connection with the primary wall side.

Abstract: A register and boot assembly for a ducted heating or air conditioning assembly is provided which has a boot member, a register mounting member detachably connected to the boot member and a register face member mounted on the mounting member to cover the front face thereof. The assembly may be simply and conveniently installed in an opening in a floor, wall or ceiling by flexible securing clips mounted on upper edges of side or end walls of the mounting member. The securing clips have gripping formations which engage with similar formations on the face member to assist in retaining the face member to the mounting member.

Abstract: A wall-mounted supply-air device comprising an upper valve part (9) connected to an upper edge (5) of an aperture (4) in a primary wall side (11) and a lower valve part (10) connected to a lower edge of the aperture (4) in the wall side (11), the supply air to the device being arranged to be supplied downwardly to the inlet side of the device, between the primary wall side (11) and a secondary wall side (12) in connection with the primary wall side.

Abstract: A register and boot assembly for a ducted heating or air conditioning assembly is provided which has a boot member (10), a register mounting member (20) detachably connected to the boot member (10) and a register face member (30) mounted on the mounting member (20) to cover the front face thereof. The assembly may be simply and conveniently installed in an opening in a floor, wall or ceiling by flexible securing clips (70) mounted on upper edges of side or end walls of the mounting member (20). The securing clips (70) have gripping formations (77) which engage with similar formations (37) on the face member (30) to assist in retaining the face member (30) to the mounting member (20).

Abstract: A register opening cover may be used to cover register openings until the register boot is installed in the register opening. During the installation of the register boot, the invention may be used to hold the register boot in place until the register boot is securely connected to the floor. After the register boot is installed, the cover forms an insulator around the register boot. One embodiment of the invention provides a register opening cover and register boot frame that can be configured to fit register boots of different sizes. Another embodiment of the invention provides a register opening cover that will support some of the weight of a worker who may step on the covered register opening.

Abstract: An air diffuser plenum for use with climate control systems to direct air to desired locations within the interior of a building. An inlet receives air from the climate control system. Within the air diffuser plenum is a cavity which receives the incoming air. The bottom of the housing has a diffuser insert mounted thereon which directs air from the cavity to outlets connected to the sides of the diffuser. The diffuser has a rectangular inlet to cooperate with a transition duct which preferably installed from the roof into a building. The diffuser also has a transition portion directing air from the inlet to a substantially square cross section area prior to directing air out of the vents. A method for making the diffuser is also disclosed.

Abstract: An air diffuser plenum for use with climate control systems to direct air to desired locations within the interior of a building. An inlet receives air from the climate control system. Within the air diffuser plenum is a cavity which receives the incoming air. The bottom of the housing has a deflector which is formed from the interior sides of a bottom portion of the diffuser. The deflector directs air from the cavity to outlets connected to the sides of the diffuser. Since the deflector is formed from the opposing sides of the bottom portion of the diffuser, there is no need for a separate bottom plate to hold a diffuser insert in place. Additionally, the deflector may extend a distance beyond the side wall intersection to direct air in direction.

Abstract: A connection flange, used to fasten a floor register to a precut hole while providing an integral connection means for an air duct fitting.

Abstract: An HVAC register box having no welded or riveted corners and the process for making same by means of fabrication from a single sheet of material without cutting. The highly simplified process for fabrication produces a register box which has superior rigidity and resistance to air leakage at the joints or corners.

Abstract: To reduce undesirable scrap wastage in fabrication thereof, the rectangular metal frame section of a supply air register is formed from four separate side and end stampings having generally U-shaped cross sections along their lengths, and overlapping corner sections joined at both inner and outer peripheral portions of the frame structure to provide it with enhanced strength and rigidity. Side portions of the side and end stampings form in the frame structure an integral rectangular base section in which the flow rate adjustment damper blade and directional adjustment vane portions of the register are directly mounted to avoid the necessity of a separate support frame structure for these portions of the overall supply air register assembly.

Abstract: A retrofittable heating and air conditioning system for a single family dwelling including a heater and air conditioning furnace system connected to individual zones of a building by a series of output ducts. Each opening of a duct to an individual zone may have a unique, fully sealing, controllable output register assembly. Also, in each zone is a thermostat for sensing the zone temperature and for providing a means for the user to control the temperature of that zone. The system further includes a master controller with such temperature controlling features as a universal zone controller, individual zone controllers, and a timer. Finally, the system includes a central controller for controlling the register assemblies and the air conditioning, heating, and fan with respect to instructions set by the individual zone registers and the master controller.

Abstract: A mounting shoulder (34) attached to an air duct fitting (20) for securing an air duct register (24) over the end of the fitting. The fitting protrudes through an opening (26) in a wall member (22). The mounting shoulder comprises an attachment strip (36), a floor plate (32), and three side walls (40, 42, 44) all formed from a single plate of metal having properly placed cuts and bends. The attachment strip (36) affixes the shoulder to the fitting and is attached to the fitting such that its lower edge (52) is flush with the lower edge of the fitting. The width of the attachment strip is substantially equal to the thickness of the wall member. The floor plate, to which the air duct register may be secured, is attached along one edge to the attachment strip and lies in a plane substantially parallel to the wall member. The three side walls extend in a direction away from wall member from edges of the floor plate.

Abstract: The present invention relates to a system of adjustable preformed ductwork for the conveyance of a fluid. The system uses a distribution box which includes an upper portion having a plurality of walls and a bottom plate. The distribution box may act either as a diffuser boot or as a splitter box. The distribution box is joined to interconnecting duct lines by adaptor conduits. The adaptor conduits are duct line which are adapted at one end for connection to an opening in a wall and are adapted at the other end for connection to adjoining duct line. A valve having a housing, a first cone and a second cone is also included in the system either in a duct line or in an adaptor conduit. The first and the second cone have matching apertures. The second cone is rotatable within the first cone such that the matching apertures may be selectively aligned or misaligned to adjust the flow of the fluid through the ductwork system.

Abstract: The present invention relates to a system of adjustable preformed ductwork for the conveyance of a fluid. The system uses a distribution box which includes an upper portion having a plurality of walls and a bottom plate. The distribution box may act either as a diffuser boot or as a splitter box. The distribution box is joined to interconnecting duct lines by adaptor conduits. The adaptor conduits are duct line which are adapted at one end for connection to an opening in a wall and are adapted at the other end for connection to adjoining duct line. A valve having a housing, a first cone and a second cone is also included in the system either in a duct line or in an adaptor conduit. The first and the second cone have matching apertures. The second cone is rotatable within the first cone such that the matching apertures may be selectively aligned or misaligned to adjust the flow of the fluid through the ductwork system.

Abstract: A connection flange, used to fasten a floor register to a precut hole while providing an integral connection means for an air duct fitting.