Abstract: A high-flow ember shield building ventilator with a substantially trapezoidal outer frame portion with a long side, a short side, a substantially vertical front side and opposing angled sides; and a folded metal insert. The long side has a first long side end and a second long side end, the short side has a first short side end and a second short side end, the substantially vertical front side has a first substantially vertical front side end and a second substantially vertical front side end, the angled side has a first angled side end and a second angled side end and the folded metal insert is between the first angled side end and the second angled side end.

Abstract: A grille assembly having a housing includes a corridor between a first end and a second end of the housing. The grille assembly includes a core disposed within the corridor and having a plurality of blades that guide fluid flow through the housing. A first portion of the plurality of blades is slanted in a first direction at a first non-perpendicular angle relative to a corridor axis. The grille assembly also includes a second portion of the plurality of blades slanted in a second direction that is substantially opposite the first direction at a second non-perpendicular angle relative to the corridor axis. The core obstructs a line of sight from the first end to the second end of the housing.

Abstract: A vent apparatus that prevents the ingress of flames, superheated air, and/or flaming materials (e.g., embers) from an external fire to a building or structure is disclosed. The vent apparatus comprises a frame that defines an inlet, and outlet, and an internal passage. A guiding member is disposed within the internal passage to thereby deflect or direct a portion of a flow of material between the inlet and outlet. A blocking element is disposed on the guiding member that is configured to expand to at least partially block the flow of material between the inlet and outlet.

Abstract: A louver assembly for placement in an opening for regulating the inlet of air, comprising a first blade stack and second blade stack arranged in tandem, and a sill for supporting the first and second blade stack. The first and second blade stacks have a plurality of blades arranged in a horizontally-spaced and vertically-extending configuration defining a plurality of horizontally-spaced and vertical extending air passageways for the passage of air therethrough. The sill has a generally planar first portion for supporting the first blade stack and a sloped second portion for supporting the second blade stack, wherein the sloped portion and the second blade stack define therebetween a void for equalizing pressure within the assembly to facilitate the draining of water therefrom.

Abstract: A louver assembly for placement in an opening for regulating the inlet of air, comprising a first blade stack and second blade stack arranged in tandem, and a sill for supporting the first and second blade stack. The first and second blade stacks have a plurality of blades arranged in a horizontally-spaced and vertically-extending configuration defining a plurality of horizontally-spaced and vertical extending air passageways for the passage of air therethrough. The sill has a generally planar first portion for supporting the first blade stack and a sloped second portion for supporting the second blade stack, wherein the sloped portion and the second blade stack define therebetween a void for equalizing pressure within the assembly to facilitate the draining of water therefrom.

Abstract: A window installation and a wall panel and methods for construction thereof. The window installation includes a window liner in which a window unit can be installed. The window liner includes jambs, a header, and a sill that circumscribe the window unit and an exterior flange that depends outwardly from external edges thereof. The wall panel is a prefabricated panel that includes framing with sheathing and insulating members disposed on an exterior surface thereof and forms an opening in which the window liner is received. An external sheathing of the wall panel is formed with a larger opening dimensioned to receive the exterior flange of the window liner. The window liner and window unit can be removed from the wall panel to ease movement and transport of the wall panel and to reduce risks of breaking the window unit during manufacture and transport.

Abstract: A damper comprises a generally rectangular frame extending between opposed open faces and defining an airflow region. One or more damper blades comprises a substantially air-impermeable vane pivotally mounted between the sides of the frame and pivotable between an open position and a closed position. In the closed position an edge of the adjacent blade abuts a blade stop surface formed along each end, such that in the closed position one edge of the blade adjacent to each end of the frame extends into a recess and abuts the blade stop surface, to prevent air from flowing between the blade and the end of the frame. In the preferred embodiments the blade stop surfaces are integrally formed in each end panel.

Abstract: The present invention provides for a window frame comprising a rigid framework cross-section comprising a truss structure.

Abstract: Louvered roof systems are provided with one or more louvers. Such louvers can be combined in an assembly that is movable between an open condition and a closed condition. In the closed condition, louvers in the assembly engage one another. In such engagement, a leg extending generally transversely from one louver may include a wing that extends generally transversely to the leg and that abuts a surface of an adjacent louver. Additionally or alternatively, in such engagement, a leg extending transversely from one louver may be received in a notch in an adjacent louver.

Abstract: An air vent apparatus for a vehicle may include a spacer securely mounted to an inner surface of a duct and having a plurality of partition walls protruding in an inner space thereof, and a plurality of inside wings rotatably coupled to the spacer and opening or closing the duct wherein the inside wings have respectively overlapping parts for overlapping with the partition walls when the inside wings close the duct so as to increase a duct sealing force between the inside wings and the spacer.

Abstract: Ventilation device is mounted on inner wall in wind tunnel communicating between indoor and outdoor sides, having a ventilation louver. The ventilation louver includes a louver frame and a movable louver. Horizontal distance from position of gravity center of the movable louver to the inner wall is greater than horizontal distance from the movable louver shaft to the inner wall. A lever is disposed at a lower part of the louver frame to move in a left-right direction along bottom end face of the lower part of the louver frame. A connection element is provided to connect the movable louver with the lever between the movable louver and the louver frame, which is configured to be a slidable structure in the up-down direction, and transform the movement in the left-right direction of the lever to opening and closing movement of the movable louver around the movable louver shaft.

Abstract: A room air conditioner and/or heat pump is shown having a compressor, indoor coil, accumulator, expansion device and reversing valve for changing between a cooling cycle and a heating cycle. Intake louvers direct return air over the entire indoor coil for maximum heat transfer. Discharge louvers are curved upward to prevent short cycling while still being totally adjustable, up and down, right and left. Adjustment posts are anchored to a clip and are adjustable for right or left discharge of air and up or down discharge. Single handles control both the right or left discharge through a rear set of louvers and up or down discharge through a front set of louvers. A no circulation area prevents short cycling and curved edges prevent turbulence in air flow through louvers.

Abstract: An electricity storage section that stores power from an external power source and supplies the stored power as operating power is provided, and, when an interruption of the external power source to a projection display device is detected, control to reduce the power consumption of a device main body and control to drive an exhaust port shutter so that it is closed by the power supplied from the electricity storage section are performed.

Abstract: A motorized drive system for a louvre assembly of the type containing a surround frame, a pair of spaced apart operating bars positioned within the surround frame and where movement of the operating bars causes rotation of the louvres, the drive system comprising a motor adapted to be positioned within the surround frame, the motor operationally driving a drive shaft which is substantially horizontal when the drive system is fitted within the surround frame, a mounting member which is attached for rotation with the drive shaft, at least two spaced apart attachment points on the mounting member, a first link arm, a second link arm and a third link arm, the first link arm being attached to one of the attachment points and to one said operating bar, the second link arm being attached to another of the attachment points, the third link arm being pivotally attached to the second link arm and to the other operating bar.

Abstract: A PTAC louver assembly for glazing in a window wall which is field adjustable for fastening to a PTAC sleeves provided by different manufacturers. A unique system includes inwardly directed flanges which form a box within a box when mated to the PTAC sleeve. Sealant between the flanges and the PTAC sleeve provide a substantially water tight assembly. By sealing between the sleeve and the lower sill flange, the need to seal the sleeve face and to align weep holes in the PTAC sleeve is no longer necessary. Blank-off panels are filled with high temperature insulation which allows the louver system to be painted and baked after assembly. A unique louver blade assembly uses sliding retention bars with aligned notches to receive and capture louver blades using a clamping force.

Abstract: A companion set of sealing and ventilation injection-molded window modules each being installable in a port on the side of a shed to admit natural light into the shed. The choice of module depends on the shed's mode of use. When in a storage mode to store goods, then the sealing module installed in the port is adapted to exclude both air and rain. When in a shelter mode to accommodate individuals, then the ventilation module installed in the port is adapted to admit air and exclude rain.

Abstract: The present invention provides an exterior window shutter that is made of PVC, has functional louvers, but is still hurricane resistant. The shutter includes a perimeter framework that is adapted to receive a transparent impact resistant member. This impact resistant member is permanently affixed to the perimeter framework to increase structural stability. Additionally, this invention provides a method to make a high strength and structurally stable hurricane resistant louvered shutter.

Abstract: The present invention 10 discloses a louvered window insert comprising two louvered frame sections 39, 50 each having one vertical member 44, 60 with an upper and lower horizontal member 40, 42, 56, 58 extending from each end thereof and a plurality of louver blades 46, 52 extending horizontally therebetween. The distal ends of the horizontal members and louver blades of the first section have recesses 48, 54 to receive and slidably secure the horizontal members 56, 58 and louver blades 52 of the second section as they travel therethrough allowing a user to size the insert to a window 12 simply by placing the fully overlapped assembly inside an open window 12 and separating the two frame sections 39, 50 thereby reducing the overlap of the horizontal members and the louvers and effectively elongating the insert until the two vertical members 44, 60 are flush to their respective side jambs and then lowering the window 12 until it sits atop the present invention.

Abstract: A window shutter having a blade assembly which has a non-metallic blade section and an extruded metal mounting section. The metal mounting section is pivotally mounted to the frame and is preferably aluminum or other light materials. In a preferred embodiment, the relative position of the blades to each other and the frame so zero clearance is achieved and in a closed position the blade assemblies overlap to block light. The blade assemblies may be incorporated into a rectangular frame or other style such as a sunburst configuration.

Abstract: An air vent device for a window comprising a first end section having a first end connector and a second end section having a second end connector. The second end section is a mirror image of the first end section. A central section has a plurality of louvered openings with a first end of the central section connecting with one of the first and second end connector. A second end of the central section has a central connector for connection with the other of the first and second end connector. The sections are affixed to the exterior surface of the structure to overlay a portion of the window for providing ventilation through the plurality of louvered openings for the structure when the window is partially opened and with the plurality of louvered openings providing protection from precipitation entering the structure through the partially opened window.

Abstract: A storm louver (10, 12) having a plurality of spaced blades (16a, 16b, 16c, 16d) for removing water particles from air flowing into a building or air handling equipment is disclosed. Each louver (10, 12) has an improved blade support frame (18) that permits the blades (16a, 16b, 16c, 16d) to be more quickly and easily installed in the support frame (18) and that more firmly supports the blades. A modular louver system including at least two individual louvers that can be easily connected for installation in openings of any size is also disclosed.

Abstract: A basement vent includes a frame and a screened opening. A plurality of louvers cover said frame. The louvers each include tabs which slide within slots in the frame. The tabs each include a detent section that permit the louvers to be held in an open position for use in the summer months and permit the louvers to be closed during the winter months.

Abstract: An actuator which includes a memory metal element, a substantially constant force counteracting spring, and an actuated element. The memory metal transforms from a martensite structure to an austenite structure at a known temperature. The martensite structure is more easily deformed than the austenite structure. The force applied by the counteracting spring is sufficient to deform the martensite structure throughout the transformation temperature range but insufficient to deform the austenite structure such that at least a portion of the memory metal element undergoes a predetermined stroke in response to the transformation of the memory metal element between the martensite and austenite states. The actuated element is connected to the memory metal element to move therewith.