Abstract: Provided is a heat-dissipating waterproof structure having both excellent heat dissipation ability and high waterproofness. A heat-dissipating waterproof structure (300) provided between a top part (203) of a casing (200) to accommodate a heat source (102) and the heat source (102) includes a water receiving part (301) that guides a liquid having entered into the casing (200) through an outlet (203A) provided in the top part (203) of the casing (200), and a water guide channel (302) that guides the liquid having been guided by the water receiving part (301) to be discharged to outside of a space where the heat source (102) is accommodated, and the water receiving part (301) has at least a sloping surface which gradually becomes higher the further it is from being immediately above the heat source (102).

Abstract: An objective of the present invention is to improve the discharge capacity for liquid collected within a casing while suppressing liquid entering a discharge opening from the outside. A liquid discharge structure includes a plate-shaped bottom wall with a discharge opening for liquid, the liquid being collected inside a casing 1 which is configured to be installed in a vehicle, a blocking wall outside the bottom wall, wherein the blocking wall is overlapped with the discharge opening in a plan view on the bottom wall and opposed to the bottom wall with a gap between the blocking wall and the bottom wall, and a fixing mechanism which is disposed not to be overlapped with the discharge opening in the plan view, wherein the fixing mechanism is configured to fix the blocking wall relative to the bottom wall in an attachable and detachable manner.

Abstract: A ventilation device is supported in at a ventilation opening in a fabric panel of a building in which the fabric panel is supported under tension across a frame. The device includes a lower frame and an intermediate frame with respective flanges that receive a perimeter edge of the fabric panel about the ventilation opening therebetween. A cover is joined to the frames so as to prevent precipitation entering the frame opening while providing exterior ventilation from the ventilation opening of the building through one or more exterior openings in the cover.

Abstract: A flexible support receiver comprising a base, a sewing flange, and a snap fit flange. The base is configured to receive one or more support poles or other support device. A first sewing flange and a second sewing flange are radially disposed around the perimeter of the base. The support receiver may contain vented openings. A sewing fixture aids to position hardware with a circular sewing flange such that a sewing machine places a circular stitch line relative to the central axis of the hardware.

Abstract: An air vent structure includes a frame arranged at an air outlet or an air inlet of a box body, and a plurality of plates. In cross section, each of the plates is a bent structure and includes a first flat portion, an upslope portion and a downslope portion. The first flat portion is fixed to the frame and extends in a direction away from the frame, the plate then extending upward to form the upslope portion. A top of the upslope bends downward to form the downslope portion, and the height of the downslope portion is smaller than the height of the upslope portion. The air vent structure can ensure that hot air flow passes smoothly through the air outlet, and also ensure that the hot air flow is blown out in a horizontal direction. A box-type inverter having the air vent structure is also provided.

Abstract: A radiator support cover includes a plurality of gutter members and a plurality of external air supply vents formed between the gutter members. The external supply vents allow the external air introduced from a front grill of a vehicle to flow toward the vehicle engine. The gutter member includes an upper gutter member and a lower gutter member, which is positioned below the upper gutter member and displaced relative to the upper gutter member in a width-wise. The lower gutter member is arranged at a tilted angle with respect to the horizontal line. A notch is formed at the width-wise lower end of the lower gutter member.

Abstract: A connector C is configured so that terminal fittings (10) extending from a rear surface of a housing (20) are connected to a board (50) and a casing (60) for covering the board (50) is mounted on the side of an upper surface (20U) of the housing (20), and drainage grooves (37) which extend in a width direction of the housing (20) and opposite ends of which reach opposite side surfaces (20S) of the housing (20) are provided on the upper surface of the housing (20).

Abstract: Provided is an automotive windshield cover structure for removably covering a windshield of a vehicle. The automotive windshield cover structure includes a windshield cover, a first extension portion and a second extension portion. Or, the automotive windshield cover structure includes a windshield cover, at least one air vent portion and at least one add-on portion. The automotive windshield cover structure covers the windshield of the vehicle effectively and blocks rain, snow or sunlight, such that the windshield cover cannot be removed from the windshield by wind or lifted by wind. The first extension portion and the second extension portion are adhered to and engaged smoothly and tightly with door receiving grooves at the left front and right front portions of the vehicle, respectively, when a door of the vehicle shuts, to prevent water droplets from being guided across the automotive windshield cover structure to flow into or seep into the vehicle.

Abstract: A vent cover is configured for attachment to a downwardly-facing surface, such as a soffit panel of a building roof overhang. The vent cover includes a housing coupled to a base portion, the housing defining a fluid discharge outlet and fluid passageway, with the outlet being selectively blocked by at least one movable door. The door is hinged at its upper end portion and is biased to a closed position by gravity. A sufficiently high air pressure will raise the door and permit an outflow of air through the discharge outlet. Where separate inner and outer doors are provided, the outer door may be manually movable to its open position while the inner door remains closed, so that the inner door continues to restrict access to an interior of the housing.

Abstract: A night cover for a refrigerated merchandiser that is positionable to substantially enclose a product display area of the merchandiser. The night cover includes a first portion and a second portion that is disposed above the first portion. The second portion cooperates with the first portion to define a first surface area, and the second portion defines a second surface area and has an open section configured to permit ambient airflow through the night cover. A ratio of the first surface area to the second surface area is between approximately 7:1 and 18:1.

Abstract: A generally planar blank made, for example, from sheet metal can be formed into a vent protector that can be mounted to an outer wall of a structure over the exhaust aperture of a vent to inhibit vertebrate wildlife from entering the vent. The vent protector forms an enclosure for receiving vent flaps that may extend outwardly from the wall of the structure.

Abstract: A vent sealing device includes first and second elongated tubular members having a funnel shaped cap along the upper surface for directing rain water into a vent pipe. A screen is positioned along the top of the device. A vent sealing system includes the vent sealing device and a roof attachment having an elongated base structure and a flexible sleeve protruding outward therefrom.

Abstract: In an outdoor unit of a refrigeration apparatus is a blow-out opening configured to deliver air from an air-blowing fan that is covered by a protective grill. The outdoor unit includes an eave part protruding in a direction along which the air is blown out from a top part of the grill. A top surface of the eave part has a water-leading part extending in a direction intersecting the direction along which the air is blown out. The water-leading part leads water dripping down onto the top surface of the eave part to at least one of longitudinal ends of the eave part and a middle of the eave part.

Abstract: The invention relates to a cover for at least one air-conditioning device arranged on a cladding element, in particular of a switchgear cabinet. The cover has a cover housing having a front wall and side parts connected thereto. The side parts keep the front wall at a distance from the cladding element. At least one holder for the cover housing is fitted to the cladding element. According to the invention, the holder comprises vertical hook elements into which the cover housing can be suspended by hook receptacles in the direction of gravity.

Abstract: A vent member (1) includes a support body (2) provided with a through-hole (3), a permeable membrane (6) closing the through-hole (3) in the support body (2), and a cover part (10) covering the permeable membrane (6). A ventilation hole (10a) is made in a ceiling portion (11) of the cover part (10) and a notch (10b) is made in a side wall portion (12) thereof. These ventilation hole (10a) and notch (10b) function as a passage for ventilation between the interior and the exterior of the cover part (10). The ventilation hole (10a) establishes a positional relation that it does not overlap a permeable region of the permeable membrane (6) in the axial direction. Further, the side wall portion (12) extends to the lower side in the axial direction below a position at which the permeable membrane (6) is disposed, and the permeable membrane (6) is protected entirely along a circumferential direction by the side wall portion (12).

Abstract: A ventilation member includes: a first metal body including a flat portion having a first through-hole formed therein; an air-permeable membrane having a first principal surface and a second principal surface and placed on the flat portion of the first metal body so that the first principal surface covers the first through-hole; a second metal body including a flat portion having formed therein a second through-hole separated from the first through-hole by the air-permeable membrane, the second metal body being placed on a second principal surface side of the air-permeable membrane so that passage of air is permitted between the first through-hole and the second through-hole through the air-permeable membrane; and a joint portion fixing the first metal body and the second metal body to each other. The air-permeable membrane has a portion located outwardly of an outer end of the flat portion of the first metal body and an outer end of the flat portion of the second metal body.

Abstract: Improvements in the manufacture, mounting and implementation of dry open window (DOW) structures. Such structures comprise a plurality of louvers which, when viewed in cross section, have “V” or “W” shapes that enable air to pass through a window opening while substantially preventing precipitation to pass, the precipitation instead being captured by the louvers for collection or drainage. Apparatus for mounting a DOW structure in overlying registration around the periphery of an existing window opening may include four corner frame members around and containing the DOW structure. The frame members slidingly engage, with fasteners being provided to lock the frame members to one another when they form an assembled rectangle with dimensions corresponding to the periphery around a window opening. A plurality of components are then provided for mounting the frame members and DOW structure contained therein to the periphery of the window opening.

Abstract: The present invention provides a moving device and dust cover. The moving device includes a moving cart and a dust cover; the dust cover forming a dust-prevention space over the moving cart; the dust cover including an air-driver device, a vent tube and an outer cover; the air-driver device being disposed outside of outer cover for sucking in outside air and driving air into vent tube; the vent tube being connected to air-driver device and outer cover, for flowing of the air sucked in by air-driver device into the dust-prevention space formed by outer cover so that the space forming a positive pressure with respect to outside of outer cover; the outer cover performing filtering on the air flown in through vent tube. As such, the present invention accomplishes a better cleanroom result and provides easy disassembly and flexible usability to reduce the cost.

Abstract: A ventilation fan unit with a heater, including: a frame with an opening provided at the underside of the frame; a cover having an air outlet and an air inlet provided at the opening of the frame; a snail-shaped casing with an air exit provided in the frame; a circulating fan enclosed in the snail-shaped casing; and a heating portion including a spiral heater mounted at the air exit of the snail-shaped casing, wherein the heating portion is communicated with the circulating fan through the air exit, wherein an axis of a spiral shape of the heater is in parallel with a rotation axis of the circulating fan, wherein the rotation axis of the circulating fan is located obliquely above the axis of the spiral shape of the heater.

Abstract: A ventilation cap includes a tube portion, a vent portion, and an upper portion. The tube portion is configured to releasably engage with a vent pipe. The vent portion extends from the tube portion to define a common pathway formed therein. The vent portion has at least three interconnected adjacent sides. Each of the sides includes one or more upright ribs, and multiple contiguous ribs laterally extending from the upright ribs to define openings in fluid communication with the common pathway. The contiguous ribs at one or more sides have an intermediate segment with an increased cross-sectional area. The contiguous ribs taper laterally from the intermediate segment to ends. The upper portion is disposed above the vent portion and connected to an upper end of the upright ribs.

Abstract: A vent cover includes a body having an inner portion and a outer portion, a vent exhaust hole defined in the body through the inner portion and the outer portion, an enclosure defined between the inner portion and the outer portion; and a door movably coupled to the body, the door including a biasing portion and a door portion, the door moveable between a first position and a second position, the door in the first position at least partially covering the vent exhaust hole, the second position having a clearance between the door portion and the vent exhaust hole, the biasing portion enclosed within the enclosure of the body and including a biasing element biasing the door to the first position.

Abstract: A method for installing a roof vent includes the steps of providing a base component having an outer flange having a bottom surface and surrounding a central opening; providing a top cover; mounting the top cover on the base component over the central opening to permit the air to flow through the central opening, but to exclude water from entering the central opening; and welding a riser box on the bottom surface of the base component around the central opening, the riser box being sized and shaped to fit around the curb of the roof. The base component is then mounted onto the curb such that the base component covers the building venting aperture and the riser box fits around the curb.

Abstract: A method and an article of manufacture are disclosed for covering structural openings, such as air vents, air intakes, and the like. In various embodiments, an exterior push or pull mechanism is used to attach and firmly hold a vent cover over an opening to form a substantially air-tight seal around the opening. A rigid or semi-rigid rod with an attachment mechanism at an interior end of the rod passes through the vent cover. The attachment mechanism includes a hook, a loop, a suction cup, a strong magnet, and the like. The push mechanism on the exterior of the vent cover includes a spring, a screw, and a shaft gripper, among others. The attachment and push mechanisms are configured to be easily operated with one hand from outside the vent cover, and also to attach the vent cover from a distance without touching the vent cover.

Abstract: A flood flaps vent for sealing a building crawlspace includes: (a) a vent box portion including open opposite front and rear ends on either end of a vent passageway, the vent box including a top box portion with at least one flap slot adjacent a rear end portion of the vent box, and an opposite bottom box portion; (b) at least one flexible flood flap extending across the open rear end portion, with its upper edge seated in the flap slot, other side flap edges of the flood flap being unattached; and (c) a grate portion over the open front end portion of the vent box; the flood flap occluding the rear end portion of the vent box when it is in an at rest, home position. This simplified abstract is not intended to limit, and should not be interpreted as limiting, the scope of the claims.

Abstract: An assembly for covering a grill of an air conditioning unit that fits through a wall comprises a rigid or semi-rigid cover having a top, a perimeter flange to which a flexible sealing material is affixed, and having sides, the top having four corner apertures for insertion of the cords. Four elastic cords have a hook at one end and having a barrel lock slideably engaged to a second end. The barrel locks of the elastic cords collectively urge the cover against the wall so as to create an air-tight seal between the cover and the wall. The cover is urged against the wall and prevents unwanted upward hot air flow and downward cold air flow in the winter when the air conditioning system is not in use.

Abstract: A retrofit mosquito screen cap attachment denies access to mosquitoes from entering a vent pipe connected to a subterranean septic or other fluid filled tank. It includes a mosquito screen pre-attached to a cap insertable over the one or more vertical open faces of the horizontal portion. The lower opening on the vertical downpipe is simply attached atop the open vent pipe. Preferably the pipe joint is made of PVC which is also the typical material of the vent pipe. A rigid PVC mosquito screening is used, which is bonded or sealed to the retrofit cap covering the pipe joint section. A robust material as opposed to a softer fabric screen is preferable to keep out bats or the beaks of birds attracted to hovering mosquitoes near the openings. The vertical orientation of the two vent holes helps keep debris from accumulating to clog the screened openings.

Abstract: A grill comprising a front, a rear, a grill base, a first grill door and a second grill door. The first grill door comprises an opening and is in hinged communication with the grill base. The second grill door is in communication with the first grill door via a hinge, which is disposed at a rear portion of the opening. When the second grill door is in a closed position, the second grill door seals the opening in the first grill door. A method of grilling comprising the steps of opening the first grill door, placing food on the grill base and closing the first grill door to cook food. The method further comprises the steps of opening the first and the second grill door during the cooking process, thereby creating a flue that urges smoke away from the front of the grill and towards the rear of the grill.

Abstract: A grill comprising a front, a rear, a grill base, a grill lid and a grill door. The grill lid comprises an opening and is in hinged communication with the grill base. The grill door communicates with the grill lid via a hinge, which is disposed at a rear portion of the opening. When the grill door is closed, the grill door seals the opening in the grill lid. The grill lid includes a lifting-assist mechanism and the grill door has an opening-assist mechanism. A method of grilling comprising the steps of opening the grill lid, placing food on the grill base and closing the grill lid to cook food. The method further comprises the steps of opening the grill lid and the grill door during the cooking process, thereby creating a flue that urges smoke away from the front of the grill and towards the rear of the grill.

Abstract: A vent member (10) includes: a support body (4) having a vent passage (a vent hole (3)) between an interior space (22) and an exterior space (24) of a housing (20); a gas-permeable membrane (2) disposed on the support body (4) to close the vent passage (3) on the side of the exterior space (24); a cover (6) attached to the support body (4) to protect the gas-permeable membrane (2); and a laser welding portion (12) that joins the cover (6) and the support body (4) together. For example, the support body (4) is made of a first material that relatively easily absorbs laser light for forming a laser welding portion (12). The cover (6) is made of a second material that absorbs less laser light than the first material and can transmit laser light.

Abstract: The present application provides a turbine inlet air filter system for an incoming flow of air. The turbine inlet air filter system may include a gas turbine engine, a chimney, a weather hood positioned on the chimney, and a filter house. The incoming flow of air flows through the weather hood, the chimney, the filter house, and into the gas turbine engine.

Abstract: An air conditioner cover for an outside air conditioner is provided. The cover may include a shutter that has a plurality of slats. The shutter can have a side wall, and the slats may be pivotally mounted to the side wall. The slats can be capable of pivoting from a closed position to an open position.

Abstract: An assembly for covering a grill of an air conditioning vent in the winter comprises a cover having a frame that may have a hole on a top surface and sides including a compressible material along its perimeter for sealing a vent area. In one preferred embodiment, the assembly includes an elastic cord having a looped end and a free end, the looped end being of adjustable size and having two hooks slidably connected to the cord. The hooks are configured to attach to the grill and pulling the free end of the cord tightens the looped end and the hooks. The free end may be attached to the cover so that sliding a barrel lock up the cord urges the cover against the vent area and prevents unwanted upward hot air flow and downward cold air flow in the winter when the air conditioning system is not in use.

Abstract: A fireplace including a body, a heating unit within the body, a duct within the body and in communication with the heating unit, an opening defined by a terminal end of the duct, an insert attached to the terminal end of the duct and arranged to dispel a heated air, and wherein the insert remains at a lower temperature than the duct during a heating operation.

Abstract: A register cover (also referred to as a vent cover) for use in a building that has heating, ventilation and air-conditioning (HVAC) systems that utilize air registers. The register cover completely covers the register and secures to the register using a magnet in order to substantially block the flow of forced air through the register that is covered by the register cover. In the case of a non-metallic register, a method is disclosed for retrofitting the non-metallic register by placing metallic mounts on the register in order to secure the register cover over the register with one or more magnets.

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: A vent is provided for a tent or shelter. The vent is supported by a centrally located vent pole, the vent pole running lengthwise with the vent flap. The vent pole is formed of a construction that is resilient enough to support the vent during use, but is flexible enough so that the vent may be collapsed during storage.

Abstract: A vent comprises a vent body (1) having at least one air flow channel through the body between a front face and a rear face (2) of the body. At least one float controlled flap valve (13) is pivotably mounted within the body, the or each valve having a first, normal position in which air is permitted to flow through an air flow channel and a second position in which the valve pivots in the presence of water to seal the air flow channel.

Abstract: An apparatus for providing ventilation in a lower level of a building and for preventing mold and mildew from building up in an interior portion of such building while also preventing entrance of small unwanted animals. The apparatus comprises a frame member having each of a first predetermined shape and a first predetermined size and formed of a first predetermined material. A screen member is engageable with the frame member for attachment thereto, such screen member having each of a second predetermined shape and a second predetermined size and being formed of a second predetermined material. The apparatus is secured to the structure by one of masonry screws or is secured in new construction with bricks and brick mortar.

Abstract: The present invention discloses an air duct blocking device for obstructing airflow through portions of an air duct system. The blocking device may include a support plate having an interior side and an exterior side and an adjustable fastener configured on the exterior side. The air duct blocking device may include a flexible connector having a hook at one end that is capable of attaching to a register boot. The flexible connector passes through the support plate and the adjustable fastener, and the adjustable fastener is capable of securing the support plate in a fixed position relative to the flexible connector. The air duct blocking device may include a substantially planar gasket configured on the interior side of the support plate that is capable of blocking airflow through the register boot when the gasket is held against the register boot by the adjustable fastener secured to the flexible connector.

Abstract: A vent assembly for attachment to a fluid discharge conduit of the type connected to a clothes dryer, room exhaust fan, or the like is adapted to reduce or prevent the trapping of dirt or lint as well as flapping or vibration of the door in windy conditions. A mount having an opening is received on the conduit and a door is pivotally received by the mount. The door is operable for displacement with respect to the opening between an open position and a closed position when engaged by a fluid, such as air from a clothes dryer, flowing through the discharge conduit. A hood is pivotally mounted over the door and mount opening, and is operable for displacement with respect to the mount when engaged by the door and/or by fluid flowing through the discharge conduit.

Abstract: An bi-directional mounting bracket assembly is utilized in conjunction with exterior siding that covers sheathing of an exterior wall. A base member of the assembly has a mounting flange secured to the sheathing and a wall arrangement that projects outward with respect to the sheathing and from the mounting flange. Preferably, the wall arrangement supports a raised central panel used for mounting of fixtures. The wall arrangement preferably has four walls extending laterally between the mounting flange and the central panel. Spaced radially outward from the two adjacent walls are respective first and second drip ledges, and spaced radially outward from the other two adjacent walls are respective first and second baffle sets. When the assembly is mounted to the sheathing, a selective one of the two drip ledges is disposed substantially horizontally and beneath the wall arrangement for shedding of water.

Abstract: The present invention discloses that outside air flows into an APU room by using a difference in pressure of the inside and the outside of the APU room during driving of a bus to induct a natural convection in the APU room and thus cool an air drier provided in the APU room, and is discharged from the APU room. Accordingly, an increase in temperature of air drier is prevented and the high temperature compressed air generated in compressor is subjected to active heat exchanging in respects to the outside while passing through air drier, thereby preventing formation of moisture according to a change in temperature of the compressed air.

Abstract: Methods and apparatus for combating sick building syndrome include a plenum that is at least partially bounded by fabric comprising at least one naturally occurring botanically based, antimicrobial, morbidity-inducing fabric and preferably a fan for introducing air into the plenum for passage outwardly through the fabric thereby to cleanse the air of microbes contributing to sick building syndrome.

Abstract: A multidirectional mounting bracket assembly is utilized in conjunction with exterior siding that covers sheathing of an exterior wall. The assembly has trim member that press fits to a base member along an axis disposed perpendicular to the exterior wall. The base member has a mounting flange secured to the sheathing and circumferentially continuous inner and outer walls disposed co-axially to one another and laterally projecting axially. The trim member has a facial plate disposed substantially perpendicular to the axis and a mating wall that press fits between the inner and outer walls. The outer wall carries a plurality of channeling features for cascading water on top of the mating wall. The mating wall generally carries a dam flange and preferably end dams for diverting water through weep holes in the facial plate.

Abstract: A data center includes a housing room that houses an information technology device; an air conditioning machine that cools air in the housing room and supplies the air under a floor of the housing room; a grille that allows the air supplied under the floor to circulate in the housing room; and a rack device that houses the information technology device. In the housing room in the data center, the rack device is arranged in such a way as to surround the grille. The information technology device is housed in the rack device in such a way as to take in air from a space surrounded by the rack device via the grille and discharge air to the housing room. The air conditioning machine is arranged at a side from which the information technology device discharges air.

Abstract: The air intake apparatus provides for additional auxiliary air to a wood or pellet burning stove. The apparatus is provided in more than one embodiment for fit to more than one type of stove. The curved T-handle controls the damper sleeve for dampened control of the auxiliary air.

Abstract: A fresh air intake system for overburden drills with an air intake assembly mounted along the drill mast to access air at the greatest practical height above ground, an air filter assembly, and a pressure blower/circulating fan assembly to supply the cleanest air practicable into the operator's cab under positive pressure. The height of the drill mast is utilized to access cleaner air at greater heights, with the air inlet located strategically toward the top of the mast. The intake assembly includes a rain cap, an intake tube mounted along the drill mast, and a flexible section at the drill mast pivot point to accommodate raising and lowering of the mast without interference or obstruction. The air filter assembly is mounted in series with the pressure blower/circulating fan assembly, which operates with negative inlet pressure and supplies filtered air under positive pressure into the enclosed cab.

Abstract: The cooling system supplements the cooling of a walk-in cooler by injecting outside cold air via an outside air intake. The system includes air intake ductwork adapted to vent cold outside air into the walk-in cooler and air return ductwork that circulates the air to provide cross-flow of the injected cold air. Inline fans are connected to an interior thermostat. Motorized dampers are connected to a thermostat with an exterior temperature probe. The system thermostats are set slightly cooler than any pre-existing thermostat operating the pre-existing refrigeration system.

Abstract: An assembly for covering a grill of an air conditioning vent in the winter comprises a cover having a frame that may have a hole on a top surface and sides including a compressible material along its perimeter for sealing a vent area. In one preferred embodiment, the assembly includes an elastic cord having a looped end and a free end, the looped end being of adjustable size and having two hooks slidably connected to the cord. The hooks are configured to attach to the grill and pulling the free end of the cord tightens the looped end and the hooks. The free end may be attached to the cover so that sliding a barrel lock up the cord urges the cover against the vent area and prevents unwanted upward hot air flow and downward cold air flow in the winter when the air conditioning system is not in use.

Abstract: A register cover (also referred to as a vent cover) for use in a building that has heating, ventilation and air-conditioning (HVAC) systems that utilize air registers. The register cover completely covers the register and secures to the register using a magnet in order to substantially block the flow of forced air through the register that is covered by the register cover. In the case of a non-metallic register, a method is disclosed for retrofitting the non-metallic register by placing metallic mounts on the register in order to secure the register cover over the register with one or more magnets.