US20160341441A1 - Integrated duct assembly apparatus and method - Google Patents

Integrated duct assembly apparatus and method Download PDF

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Publication number
US20160341441A1
US20160341441A1 US14/718,089 US201514718089A US2016341441A1 US 20160341441 A1 US20160341441 A1 US 20160341441A1 US 201514718089 A US201514718089 A US 201514718089A US 2016341441 A1 US2016341441 A1 US 2016341441A1
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Prior art keywords
louver
blades
integrated duct
duct assembly
plenum box
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US14/718,089
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Brandon Murray
Bart Murray
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Individual
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Individual
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Priority to US14/718,089 priority Critical patent/US20160341441A1/en
Priority to US15/141,297 priority patent/US20160341442A1/en
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Abandoned legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082Grilles, registers or guards
    • F24F13/084Grilles, registers or guards with mounting arrangements, e.g. snap fasteners for mounting to the wall or duct

Definitions

  • the present invention relates generally to ventilation systems and methods and more specifically to ventilation systems and methods that utilize integrated duct assemblies.
  • Adequate ventilation is necessary for the comfort and safety of building occupants. Ventilation involves air exchange between interior and exterior of a building as well as air circulation within the building. It is a crucial factor and is subject to an important minimum legal requirement. Methods for ventilating a building may be divided into mechanical/forced and natural types.
  • Moisture penetration is another issue associated with mechanical type systems.
  • Such ventilation systems can allow moisture into building causing structural damage as well as mold, mildew or other such hazardous health conditions.
  • ventilation systems often require more space than is available in the exterior wall of a building structure.
  • a unitary integrated duct assembly in a first embodiment, includes a louver and a plurality of weep holes.
  • the plurality of weep holes is preferably located at a bottom position of the louver.
  • the louver also includes one or more blades from a bottom of the louver to a top of the louver. Each blade is spaced equally spaced apart and angled downward.
  • the unitary integrated duct assembly further includes a plenum box having a front, a rear, and a base.
  • the base is angled such that it slants downward from the rear to the front, wherein the plenum box is physically coupled at the front to the louver. Air flows from an external environment to an internal environment through the louver. Moisture is removed from the internal environment to the external environment through the weep holes of the plenum box.
  • the unitary integrated duct assembly of the present invention is that it is easily installed as a singular unit into congested and size limited exterior walls of a building structure.
  • the unitary integrated duct assembly also includes a weather tight seal with the building structure.
  • the weather tight seal is enabled by application of a self-adhering membrane package to the duct assembly.
  • FIG. 1 illustrates a unitary integrated duct apparatus according to an exemplary embodiment of the present invention.
  • FIG. 2 illustrates a cross-section of a unitary integrated duct apparatus according to an exemplary embodiment of the present invention
  • FIG. 3 illustrates a cross section of a vent system employing unitary integrated duct apparatus according to an exemplary embodiment of the present invention.
  • FIG. 4 illustrates a cross section of a blade for use in according to an exemplary embodiment of the present invention.
  • FIG. 5A illustrates a self-adhering membrane installation process in accordance with an exemplary embodiment of the present invention.
  • FIG. 5B further illustrates a self-adhering membrane installation process in accordance with an exemplary embodiment of the present invention.
  • FIG. 5C further illustrates a self-adhering membrane installation process in accordance with an exemplary embodiment of the present invention.
  • FIG. 5D further illustrates a self-adhering membrane installation process in accordance with an exemplary embodiment of the present invention.
  • FIG. 1 illustrates a unitary integrated duct apparatus 100 according to an exemplary embodiment of the present invention.
  • unitary integrated duct apparatus 100 includes a louver 101 and plenum box 105 coupled to the inside of louver 101 .
  • louver 101 and plenum box 105 are integrated such that the unitary integrated duct apparatus 100 is installable on an exterior wall of a building as a single assembly.
  • Louver 101 is itself comprised of rectangular or square-shaped frame 102 that engages a plurality of blades 104 extending from one side of the frame to the other along its front face. Each blade of the plurality of blades 104 is positioned with a downward angle such that air can pass through them without debris directly entering the building past the blades 104 .
  • Blades 104 are also spaced at a distance to reduce external moisture from entering plenum box 105 , and to allow for ventilation.
  • louver 101 may be any shape or configuration consistent with the spirit and scope of the present invention.
  • unitary integrated duct apparatus 100 further includes a J-molded frame 102 protruding from an outside of louver 101 , the J-molded frame having weep holes 103 at its own bottom face.
  • weep holes 103 enable shedding of water that is driven into the unitary integrated duct apparatus 100 from external wind and/or rain. Although shedding of moisture is accomplished via weep holes 103 , a person skilled in the art will realize that said shedding of moisture can be implemented via other means consistent with the spirit and scope of the present invention.
  • plenum box 105 is positioned such that it slants toward weeping holes 103 to enable water driven into unitary integrated duct apparatus 100 to be discharged to the exterior of the building. It is evident by the above described assembly of unitary integrated duct apparatus 100 , water can be removed from the inside of plenum box 105 via weep holes 103 to the exterior of the building. Unlike conventional systems which retain water within the plenum box, causing mold and other unhealthy conditions, the present invention discharges entrained moisture to prevent unhealthy spore conditions as well as provide building stability.
  • Unitary integrated duct apparatus 100 further provides improvements over conventional systems as a result of being a singular assembly.
  • Conventional systems can require adaptation of an existing plenum box in order to attach a louver.
  • unitary integrated duct apparatus 100 is two inches deep and can fit into an exterior wall with water tight application.
  • the unitary integrated duct assembly of the present invention overcomes disadvantages faced by prior systems, including ineffective water tight seals. Such disadvantages are related to small sized louvers required due to space constraints and exterior wall thickness.
  • the unitary integrated duct assembly combines the space efficiency of smaller systems with the performance of larger systems.
  • FIG. 2 illustrates a cross-section 200 of a unitary integrated duct apparatus 100 according to an exemplary embodiment of the present invention.
  • unitary integrated duct apparatus 100 comprises louver 101 physically coupled to and in front of plenum box 105 .
  • J-molded frame 102 is attached to the outside of louver 101 , also in front of plenum box 105 .
  • J-molded frame 102 includes a plurality of blades 104 attached along its front face.
  • each blade of the plurality of blades 104 is spaced apart appropriately from the next, and positioned with a downward angle.
  • Each blade of the plurality of blades 104 is further coupled at a front end to J-molded frame 102 and coupled at a rear end to a mesh screen 201 .
  • Mesh screen 201 prevents insects or other pests from entering into the building.
  • louver 101 is attached to a top side 204 of plenum box 105 at an upper point 202 .
  • Louver 101 is further attached to a bottom side 205 of plenum box 105 a lower point 203 .
  • the bottom side 205 of plenum box 105 is angled toward louver 101 at a downward angle 206 to enable draining of water through weep holes 103 (as in FIG. 1 ).
  • plenum box 105 may have other configurations, shapes, molds, etc. so long as such adaptations are consistent with the spirit and scope of the present invention.
  • the described components of unitary integrated duct apparatus 100 are manufactured using 26 gauge galvanized steel, and all seams are lapped and sealed with polyurethane sealant. Lapping and sealing of all seams creates a water tight seal to reduce moisture from being introduced into the building interior.
  • FIG. 3 illustrates a cross section 300 of a vent system employing unitary integrated duct apparatus 100 according to an exemplary embodiment of the present invention.
  • unitary integrated duct apparatus 100 is installed onto an exterior of building wall 301 such that plenum box 105 is positioned between exterior wall 301 and interior wall 302 .
  • An upper duct 212 is positioned between exterior wall 301 and interior wall 302 , and is physically coupled to interior wall 302 .
  • Upper duct 212 includes a liner 213 .
  • Upper duct further includes a vent face 214 at its point of attachment with interior wall 302 . Vent face 214 facilitates airflow between the exterior and interior of the building.
  • unitary integrated duct apparatus 100 attaches to exterior wall 301 at louver 101 by using a self-adhering sheet membrane.
  • Self-adhering sheet membrane includes at least an upper sheet 210 and a lower sheet 211 for attaching unitary integrated duct apparatus 100 at louver 101 (as is explained further in FIG. 5 ).
  • FIG. 4 illustrates a cross section of a blade 104 for use in according to an exemplary embodiment of the present invention.
  • blade 104 comprises a lower blade face 401 , middle blade face 402 , and upper blade face 403 .
  • Upper blade face 403 is positioned above middle blade face 402 and coupled to middle blade face 402 at a first elbow 405 .
  • Upper blade face 403 and middle blade face 402 are connected at elbow 405 such than an angle 406 exists at first elbow 405 .
  • Lower blade face 403 is positioned below middle blade face 402 and coupled to middle blade face 402 at a second elbow 404 .
  • Lower blade face 401 and middle blade face 402 are connected at second elbow 404 such than an angle 407 exists at second elbow 404 .
  • blade 104 can be constructed from a single piece of steel (e.g., 26 gauge galvanized steel).
  • Lower blade face 401 is 0.5 inches long
  • middle blade face 402 is 1.458 inches in length
  • upper blade face 405 is 0.5 inches long.
  • First elbow 405 has an angle 406 of 143 degrees.
  • Second elbow 404 has an angle 407 of 143 degrees.
  • blade 104 can be thought of as having a “Z” like shape. Such a shape enables ventilation and discourages the entry of moisture past the blade 104 .
  • FIG. 5A illustrates a self-adhering sheet membrane installation process 500 in accordance with an exemplary embodiment of the present invention.
  • vent flange 510 and surrounding sub-straight 501 are cleaned and prepared. Preparation includes applying primer to the surfaces of vent flange 510 and surrounding sub-straight 501 .
  • Vent flange 510 includes an upper edge 502 , side edge 503 , side edge 504 , and bottom edge 505 .
  • Preparation of surrounding sub-straight 501 includes area at least 6′′ in each direction outside of edges 502 , 503 , 504 , and 505 of vent flange 510 .
  • FIG. 5B further illustrates a self-adhering sheet membrane installation process 500 in accordance with an exemplary embodiment of the present invention.
  • a protective backing is removed from the back of a bottom piece 506 of a self-adhering sheet membrane.
  • the bottom piece 506 is carefully adhered to vent flange 510 .
  • Bottom piece 506 is positioned such that it extends 6′′ below the bottom edge 505 of vent flange 510 .
  • Bottom piece 506 is also positioned such that it extends 6′′ beyond each of the side edges 503 and 504 .
  • FIG. 5C further illustrates a self-adhering sheet membrane installation process 500 in accordance with an exemplary embodiment of the present invention.
  • protective backing is removed from the backs of side pieces 507 and 508 of a self-adhering sheet membrane.
  • Side piece 507 is carefully adhered to vent flange 510 .
  • Side piece 507 is positioned such that it extends 6′′ to the left of side edge 504 (not shown), 6′′ above top edge 502 (not shown), and 6′′ below bottom edge 505 (not shown).
  • Side piece 508 is carefully adhered to vent flange 510 .
  • Side piece 508 is positioned such that it extends 6′′ to the right of side edge 503 (not shown), 6′′ above top edge 502 (not shown), and 6′′ below bottom edge 505 (not shown).
  • FIG. 5D further illustrates a self-adhering sheet membrane installation process 500 in accordance with an exemplary embodiment of the present invention.
  • top piece 509 of a self-adhering sheet membrane is carefully adhered to vent flange 510 .
  • Top piece 509 is positioned such that it extends 6′′ to the right of side edge 503 (not shown), 6′′ to the left of side edge 504 (not shown), and 6′′ above top edge 502 (not shown).
  • unitary integrated duct apparatus 100 (not shown in FIGS. 5A-5D ) can be easily mounted to the self-adhering sheet membranes attached to vent flange 510 at louver 101 . It will be appreciated that, while distances depicted and described in FIGS. 5A-5D are referred to herein as being 6′′, larger or smaller distances can be utilized as appropriate.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Duct Arrangements (AREA)
  • Ventilation (AREA)

Abstract

An integrated duct assembly and method of using the same. A unitary integrated duct assembly comprises a louver and plenum box integrated with angular blades and weep holes. The unitary integrated duct assembly further comprises the plenum box comprising a front, a rear, and a base. The base is angled such that it slants downward from the rear to the front, wherein the plenum box is physically coupled at the front to the louver.

Description

    BACKGROUND OF THE INVENTION
  • The present invention relates generally to ventilation systems and methods and more specifically to ventilation systems and methods that utilize integrated duct assemblies.
  • Adequate ventilation is necessary for the comfort and safety of building occupants. Ventilation involves air exchange between interior and exterior of a building as well as air circulation within the building. It is a crucial factor and is subject to an important minimum legal requirement. Methods for ventilating a building may be divided into mechanical/forced and natural types.
  • Many mechanical type systems use some form of direct venting that provide direct access between the inside and the exterior of a building. While such ventilation systems facilitate air exchange, rodents or other pests can get past or through them into the building structure. Such ventilation systems also suffer from penetration of moisture into the building structure.
  • Moisture penetration is another issue associated with mechanical type systems. Such ventilation systems can allow moisture into building causing structural damage as well as mold, mildew or other such hazardous health conditions. In addition, such ventilation systems often require more space than is available in the exterior wall of a building structure.
  • It is within the aforementioned context that a need for the present invention has arisen. Thus, there is a need to address one or more of the foregoing disadvantages of conventional systems and methods, and the present invention meets this need.
  • BRIEF SUMMARY OF THE INVENTION
  • Various aspects of an integrated duct assembly can be found in exemplary embodiments of the present invention.
  • In a first embodiment, a unitary integrated duct assembly includes a louver and a plurality of weep holes. The plurality of weep holes is preferably located at a bottom position of the louver. The louver also includes one or more blades from a bottom of the louver to a top of the louver. Each blade is spaced equally spaced apart and angled downward.
  • The unitary integrated duct assembly further includes a plenum box having a front, a rear, and a base. The base is angled such that it slants downward from the rear to the front, wherein the plenum box is physically coupled at the front to the louver. Air flows from an external environment to an internal environment through the louver. Moisture is removed from the internal environment to the external environment through the weep holes of the plenum box.
  • An advantage of the unitary integrated duct assembly of the present invention is that it is easily installed as a singular unit into congested and size limited exterior walls of a building structure. The unitary integrated duct assembly also includes a weather tight seal with the building structure. The weather tight seal is enabled by application of a self-adhering membrane package to the duct assembly.
  • A further understanding of the nature and advantages of the present invention herein may be realized by reference to the remaining portions of the specification and the attached drawings. Further features and advantages of the present invention, as well as the structure and operation of various embodiments of the present invention, are described in detail below with respect to the accompanying drawings. In the drawings, the same reference numbers indicate identical or functionally similar elements.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 illustrates a unitary integrated duct apparatus according to an exemplary embodiment of the present invention.
  • FIG. 2 illustrates a cross-section of a unitary integrated duct apparatus according to an exemplary embodiment of the present invention
  • FIG. 3 illustrates a cross section of a vent system employing unitary integrated duct apparatus according to an exemplary embodiment of the present invention.
  • FIG. 4 illustrates a cross section of a blade for use in according to an exemplary embodiment of the present invention.
  • FIG. 5A illustrates a self-adhering membrane installation process in accordance with an exemplary embodiment of the present invention.
  • FIG. 5B further illustrates a self-adhering membrane installation process in accordance with an exemplary embodiment of the present invention.
  • FIG. 5C further illustrates a self-adhering membrane installation process in accordance with an exemplary embodiment of the present invention.
  • FIG. 5D further illustrates a self-adhering membrane installation process in accordance with an exemplary embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE INVENTION
  • Reference will now be made in detail to the embodiments of the invention, examples of which are illustrated in the accompanying drawings. While the invention will be described in conjunction with the preferred embodiments, it will be understood that they are not intended to limit the invention to these embodiments. On the contrary, the invention is intended to cover alternatives, modifications and equivalents, which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, numerous specific details are set forth to provide a thorough understanding of the present invention. However, it will be obvious to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, components, and circuits have not been described in detail as to not unnecessarily obscure aspects of the present invention.
  • FIG. 1 illustrates a unitary integrated duct apparatus 100 according to an exemplary embodiment of the present invention.
  • In FIG. 1, unitary integrated duct apparatus 100 includes a louver 101 and plenum box 105 coupled to the inside of louver 101. In this embodiment, louver 101 and plenum box 105 are integrated such that the unitary integrated duct apparatus 100 is installable on an exterior wall of a building as a single assembly.
  • Louver 101 is itself comprised of rectangular or square-shaped frame 102 that engages a plurality of blades 104 extending from one side of the frame to the other along its front face. Each blade of the plurality of blades 104 is positioned with a downward angle such that air can pass through them without debris directly entering the building past the blades 104.
  • Blades 104 are also spaced at a distance to reduce external moisture from entering plenum box 105, and to allow for ventilation. Although not shown, one of ordinary skill in the art will realize that louver 101 may be any shape or configuration consistent with the spirit and scope of the present invention.
  • In FIG. 1, unitary integrated duct apparatus 100 further includes a J-molded frame 102 protruding from an outside of louver 101, the J-molded frame having weep holes 103 at its own bottom face. An advantage of the present invention is that weep holes 103 enable shedding of water that is driven into the unitary integrated duct apparatus 100 from external wind and/or rain. Although shedding of moisture is accomplished via weep holes 103, a person skilled in the art will realize that said shedding of moisture can be implemented via other means consistent with the spirit and scope of the present invention.
  • In FIG. 1, plenum box 105 is positioned such that it slants toward weeping holes 103 to enable water driven into unitary integrated duct apparatus 100 to be discharged to the exterior of the building. It is evident by the above described assembly of unitary integrated duct apparatus 100, water can be removed from the inside of plenum box 105 via weep holes 103 to the exterior of the building. Unlike conventional systems which retain water within the plenum box, causing mold and other unhealthy conditions, the present invention discharges entrained moisture to prevent unhealthy spore conditions as well as provide building stability.
  • Unitary integrated duct apparatus 100 further provides improvements over conventional systems as a result of being a singular assembly. Conventional systems can require adaptation of an existing plenum box in order to attach a louver.
  • According to one embodiment, unitary integrated duct apparatus 100 is two inches deep and can fit into an exterior wall with water tight application. The unitary integrated duct assembly of the present invention overcomes disadvantages faced by prior systems, including ineffective water tight seals. Such disadvantages are related to small sized louvers required due to space constraints and exterior wall thickness. In another embodiment, the unitary integrated duct assembly combines the space efficiency of smaller systems with the performance of larger systems.
  • FIG. 2 illustrates a cross-section 200 of a unitary integrated duct apparatus 100 according to an exemplary embodiment of the present invention.
  • In FIG. 2, unitary integrated duct apparatus 100 comprises louver 101 physically coupled to and in front of plenum box 105. J-molded frame 102 is attached to the outside of louver 101, also in front of plenum box 105. J-molded frame 102 includes a plurality of blades 104 attached along its front face.
  • As described with respect to FIG. 1, each blade of the plurality of blades 104 is spaced apart appropriately from the next, and positioned with a downward angle. Each blade of the plurality of blades 104 is further coupled at a front end to J-molded frame 102 and coupled at a rear end to a mesh screen 201. Mesh screen 201 prevents insects or other pests from entering into the building.
  • In FIG. 2, louver 101 is attached to a top side 204 of plenum box 105 at an upper point 202. Louver 101 is further attached to a bottom side 205 of plenum box 105 a lower point 203. The bottom side 205 of plenum box 105 is angled toward louver 101 at a downward angle 206 to enable draining of water through weep holes 103 (as in FIG. 1).
  • Although the plenum is box-shaped, one skilled in the art will realize that plenum box 105 may have other configurations, shapes, molds, etc. so long as such adaptations are consistent with the spirit and scope of the present invention.
  • According to one embodiment, the described components of unitary integrated duct apparatus 100 are manufactured using 26 gauge galvanized steel, and all seams are lapped and sealed with polyurethane sealant. Lapping and sealing of all seams creates a water tight seal to reduce moisture from being introduced into the building interior.
  • FIG. 3 illustrates a cross section 300 of a vent system employing unitary integrated duct apparatus 100 according to an exemplary embodiment of the present invention.
  • In FIG. 3, unitary integrated duct apparatus 100 is installed onto an exterior of building wall 301 such that plenum box 105 is positioned between exterior wall 301 and interior wall 302. An upper duct 212 is positioned between exterior wall 301 and interior wall 302, and is physically coupled to interior wall 302. Upper duct 212 includes a liner 213. Upper duct further includes a vent face 214 at its point of attachment with interior wall 302. Vent face 214 facilitates airflow between the exterior and interior of the building.
  • In FIG. 3, unitary integrated duct apparatus 100 attaches to exterior wall 301 at louver 101 by using a self-adhering sheet membrane. Self-adhering sheet membrane includes at least an upper sheet 210 and a lower sheet 211 for attaching unitary integrated duct apparatus 100 at louver 101 (as is explained further in FIG. 5).
  • FIG. 4 illustrates a cross section of a blade 104 for use in according to an exemplary embodiment of the present invention.
  • In FIG. 4, blade 104 comprises a lower blade face 401, middle blade face 402, and upper blade face 403. Upper blade face 403 is positioned above middle blade face 402 and coupled to middle blade face 402 at a first elbow 405. Upper blade face 403 and middle blade face 402 are connected at elbow 405 such than an angle 406 exists at first elbow 405. Lower blade face 403 is positioned below middle blade face 402 and coupled to middle blade face 402 at a second elbow 404. Lower blade face 401 and middle blade face 402 are connected at second elbow 404 such than an angle 407 exists at second elbow 404.
  • According to one embodiment, blade 104 can be constructed from a single piece of steel (e.g., 26 gauge galvanized steel). Lower blade face 401 is 0.5 inches long, middle blade face 402 is 1.458 inches in length, and upper blade face 405 is 0.5 inches long. First elbow 405 has an angle 406 of 143 degrees. Second elbow 404 has an angle 407 of 143 degrees. As can be seen from FIG. 4, blade 104 can be thought of as having a “Z” like shape. Such a shape enables ventilation and discourages the entry of moisture past the blade 104.
  • FIG. 5A illustrates a self-adhering sheet membrane installation process 500 in accordance with an exemplary embodiment of the present invention.
  • In FIG. 5A, surfaces of vent flange 510 and surrounding sub-straight 501 are cleaned and prepared. Preparation includes applying primer to the surfaces of vent flange 510 and surrounding sub-straight 501. Vent flange 510 includes an upper edge 502, side edge 503, side edge 504, and bottom edge 505. Preparation of surrounding sub-straight 501 includes area at least 6″ in each direction outside of edges 502, 503, 504, and 505 of vent flange 510.
  • FIG. 5B further illustrates a self-adhering sheet membrane installation process 500 in accordance with an exemplary embodiment of the present invention.
  • In FIG. 5B, a protective backing is removed from the back of a bottom piece 506 of a self-adhering sheet membrane. The bottom piece 506 is carefully adhered to vent flange 510. Bottom piece 506 is positioned such that it extends 6″ below the bottom edge 505 of vent flange 510. Bottom piece 506 is also positioned such that it extends 6″ beyond each of the side edges 503 and 504.
  • FIG. 5C further illustrates a self-adhering sheet membrane installation process 500 in accordance with an exemplary embodiment of the present invention.
  • In FIG. 5C, protective backing is removed from the backs of side pieces 507 and 508 of a self-adhering sheet membrane. Side piece 507 is carefully adhered to vent flange 510. Side piece 507 is positioned such that it extends 6″ to the left of side edge 504 (not shown), 6″ above top edge 502 (not shown), and 6″ below bottom edge 505 (not shown).
  • Side piece 508 is carefully adhered to vent flange 510. Side piece 508 is positioned such that it extends 6″ to the right of side edge 503 (not shown), 6″ above top edge 502 (not shown), and 6″ below bottom edge 505 (not shown).
  • FIG. 5D further illustrates a self-adhering sheet membrane installation process 500 in accordance with an exemplary embodiment of the present invention.
  • In FIG. 5D, protective backing is removed from the backs of a top piece 509 of a self-adhering sheet membrane. Top piece 509 is carefully adhered to vent flange 510. Top piece 509 is positioned such that it extends 6″ to the right of side edge 503 (not shown), 6″ to the left of side edge 504 (not shown), and 6″ above top edge 502 (not shown).
  • As such, unitary integrated duct apparatus 100 (not shown in FIGS. 5A-5D) can be easily mounted to the self-adhering sheet membranes attached to vent flange 510 at louver 101. It will be appreciated that, while distances depicted and described in FIGS. 5A-5D are referred to herein as being 6″, larger or smaller distances can be utilized as appropriate.
  • While the above is a complete description of exemplary specific embodiments of the invention, additional embodiments are also possible. Thus, the above description should not be taken as limiting the scope of the invention, which is defined by the appended claims along with their full scope of equivalents.

Claims (15)

I claim:
1. A unitary integrated duct assembly, comprising:
a louver comprising a plurality of blades from a bottom of the louver to a top of the louver, the plurality of blades spaced equally apart and angled downward;
the louver further comprising a plurality of weep holes at the bottom; and
a plenum box comprising a front, a rear, and a base, wherein the base is angled such that it slants downward from the rear to the front, wherein the plenum box is coupled at the front to the louver;
wherein air flows from an external environment to an internal environment through the louver; and
wherein moisture is removed from the internal environment to the external environment through the weep holes of the plenum box.
2. The unitary integrated duct assembly of claim 1, wherein the unitary integrated duct assembly is installable as a singular unit.
3. The unitary integrated duct assembly of claim 2, wherein the unitary integrated duct assembly is installed using a self-adhering sheet membrane.
4. The unitary integrated duct assembly of claim 1, further comprising a depth of two inches.
5. The unitary integrated duct assembly of claim 1, wherein the louver, blades, and plenum box are manufactured using galvanized steel.
6. The unitary integrated duct assembly of claim 1, wherein each blade of the plurality of blades has a “Z” like shape.
7. The unitary integrated duct assembly of claim 1, further comprising a mesh screen positioned between each blade of the plurality of blades to prevent passage of pests from the external environment to the internal environment.
8. A method comprising:
providing a louver comprising a plurality of blades from a bottom of the louver to a top of the louver, the plurality of blades spaced equally apart and angled downward;
the louver further comprising a plurality of weep holes at the bottom; and
providing a plenum box comprising a front, a rear, and a base, wherein the base is angled such that it slants downward from the rear to the front, wherein the plenum box is coupled at the front to the louver;
wherein air flows from an external environment to an internal environment through the louver; and
using the weep holes to remove moisture from the internal environment to the external environment of the plenum box.
9. The method of claim 8, wherein the louver and plenum are installable as a singular unit.
10. The method of claim 9 wherein the louver and plenum are installed using a self-adhering sheet membrane.
11. The method of claim 8 wherein the louver and plenum have a depth of two inches when installed.
12. The method of claim 8 wherein the louver, blades, and plenum box are comprised of steel.
13. The method of claim 8 wherein each blade of the plurality of blades has a “Z” like shape.
14. The method of claim 8 further comprising using a mesh screen positioned between each blade of the plurality of blades to prevent passage of pests from the external environment to the internal environment.
15. An installable kit comprising:
a louver comprising a plurality of blades from a bottom of the louver to a top of the louver, the plurality of blades spaced equally apart and angled downward;
the louver further comprising a plurality of weep holes at the bottom; and
a plenum box comprising a front, a rear, and a base, wherein the base is angled such that it slants downward from the rear to the front, wherein the plenum box is coupled at the front to the louver;
wherein air flows from an external environment to an internal environment through the louver; and
wherein moisture is removed from the internal environment to the external environment through the weep holes of the plenum box, wherein the lover and plenum are installable as a singular unit.
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
US11243008B2 (en) * 2018-08-21 2022-02-08 Air Distribution Technologies Ip, Llc Ductwork frame assembly

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US4026082A (en) * 1975-02-24 1977-05-31 Percy Crofoot Vent frames
US4592271A (en) * 1985-08-16 1986-06-03 Young Lester L Louvered vent
US6138424A (en) * 1998-07-28 2000-10-31 Beutler Heating & Air Conditioning Vent apparatus for attachment to a building structure
US6604994B2 (en) * 2000-12-21 2003-08-12 John J. Achen Simplified combustion air security vent
JP2005232872A (en) * 2004-02-20 2005-09-02 Sanki Eng Co Ltd Louver installing structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026082A (en) * 1975-02-24 1977-05-31 Percy Crofoot Vent frames
US4592271A (en) * 1985-08-16 1986-06-03 Young Lester L Louvered vent
US6138424A (en) * 1998-07-28 2000-10-31 Beutler Heating & Air Conditioning Vent apparatus for attachment to a building structure
US6604994B2 (en) * 2000-12-21 2003-08-12 John J. Achen Simplified combustion air security vent
JP2005232872A (en) * 2004-02-20 2005-09-02 Sanki Eng Co Ltd Louver installing structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11243008B2 (en) * 2018-08-21 2022-02-08 Air Distribution Technologies Ip, Llc Ductwork frame assembly

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