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US3823652A Expired / Lapsed US ⏱️ 0.0 years remaining

Air conduit and diffuser assembly

Assignee: AIR FACTORS
•
Filing: 1970-01-12
•
Granted: 1974-07-16
•
Expires: 1990-01-12
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Abstract

Abstract An air conduit and diffuser assembly for use in a room below the room ceiling in full view includes a conduit with a central cavity to conduct air into the room and openings through the conduit to diffuse the air throughout the room, the conduit being attached by rods extending between the ceiling and the upper portion of the conduit. The preferred embodiment includes a cavity in the upper portion for mounting a light fixture or the like, a utility channel in the central cavity to carry utilities into the room, and both metering and diffuser opening in the upper half of the conduit to direct the flow of air downwardly along the outside of the conduit. An alternative exemplary embodiment has a universal upper portion with the diffuser openings therein which accepts various sizes of lower portions for different central cavity sizes.

Inventors

  • 👤 R Lambert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 13:25
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/24; F24F13/02; F24F13/0254; F24F13/0263; F24F13/06

Claims Analysis

Total Claims: 43
Claim 1
Independent Claim 144 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room and presenting an outer surface below said ceiling; air diffuser means, including diffuser openings in said conduit in the upper half thereof and facing generally upwardly, and means for directing air from said cavity through said openings in a direction generally tangential to said outer surface of said conduit and in a generally downwards direction into the roOm; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air-flow communication with areas of said room below said ceiling.
Claim 2
Dependent Claim 144 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room and presenting an outer surface below said ceiling; air diffuser means, including diffuser openings in said conduit in the upper half thereof and facing generally upwardly, and means for directing air from said cavity through said openings in a direction generally tangential to said outer surface of said conduit and in a generally downwards direction into the roOm; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air-flow communication with areas of said room below said ceiling.
Claim 3
Dependent Claim 95 words
The air conduit and diffuser assembly as in claim 1 wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit; and a lower portion having a generally tubular shape open at the top to receive the support panel and said lower portion together forming the central cavity, and wherein the support panel had cavity for receiving a light fixture and securing means for selectively securing the light fixture in the cavity to mount a light fixture in the room.
Claim 4
Dependent Claim 79 words
The air conduit and diffuser assembly as in claim 1 wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit; and a lower portion having a generally tubular shape open at the top to receive the support panel and said lower portion together forming the central cavity, and additionally comprising: a decorative skin surrounding said lower portion and attached to said support panel.
Claim 5
Dependent Claim 55 words
The air conduit and diffuser assembly as in claim 3 wherein the panel is provided with metering openings and said decorative skin covering said metering openings and said skin has diffuser openings therethrough in fluid communication to said metering openings, said diffuser openings permitting air to flow from the metering opening therethrough into the room.
Claim 6
Dependent Claim 33 words
The air conduit and diffuser assembly as in claim 4 wherein seal means in provided between said skin and said upper portion to prevent the air from leaking therebetween from said metering openings.
Claim 7
Dependent Claim 46 words
The air conduit and diffuser assembly as in claim 5 wherein the diffuser openings are in the upper half of the skin, but below the metering openings to diffuse the air therethrough along the skin downwardly to uniformly diffuse the air into and throughout the room.
Claim 8
Dependent Claim 41 words
The air conduit and diffuser assembly as in claim 1 additionally comprising canal means mounted in the central cavity to divide the cavity into two portions, one portion to act as an air passage and the other portion to carry utilities.
Claim 9
Dependent Claim 91 words
The air conduit and diffuser assembly as in claim 1 wherein said air diffuser means includes: a plurality of metering openings in association with the diffuser opening; means for providing each of said plurality of metering openings in a plane generally normal to the plane of an associated diffuser opening; and means for providing a chamber communication between each of said metering openings and its associated diffuser openings, whereby air flow from said cavity is directed by said metering opening through the associated chamber generally tangential of the associated diffuser opening.
Claim 10
Dependent Claim 194 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into the room below the ceiling, said conduit means including a support panel forming the upper portion of the conduit and having means for receiving the lower portion of the conduit, and a lower protion having a generally tubular shape open at the top to receive the support panel and a decorative skin around said lower portion, attached to said support panel; said support panel and said lower portion together forming the central cavity; a plurality of metering openings and associated diffuser openings to diffuse the air form said conduit into the room; said metering opening being provided in said panel and said diffuser openings being provided in said decorative skin and in fluid communication to said metering openings; whereby air flow from said cavity in said coNduit is through the metering openings then through the diffuser openings then into the room.
Claim 11
Dependent Claim 194 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into the room below the ceiling, said conduit means including a support panel forming the upper portion of the conduit and having means for receiving the lower portion of the conduit, and a lower protion having a generally tubular shape open at the top to receive the support panel and a decorative skin around said lower portion, attached to said support panel; said support panel and said lower portion together forming the central cavity; a plurality of metering openings and associated diffuser openings to diffuse the air form said conduit into the room; said metering opening being provided in said panel and said diffuser openings being provided in said decorative skin and in fluid communication to said metering openings; whereby air flow from said cavity in said coNduit is through the metering openings then through the diffuser openings then into the room.
Claim 12
Dependent Claim 37 words
The air conduit and diffuser assembly as in claim 9 wherein seal means is provided between said skin and said panel upper portion of said conduit to prevent the air from leaking therebetween from said metering openings.
Claim 13
Dependent Claim 46 words
The air conduit and diffuser assembly as in claim 9 wherein the diffuser openings are in the upper half of the skin but below the metering openings to diffuse the air therethrough along the skin downwardly to uniformly diffuse the air into and throughout the room.
Claim 14
Dependent Claim 34 words
The air conduit and diffuser assembly as in claim 9 wherein the diffuser openings are in the upper half of the skin and flush therewith to be hidden from view from the room below.
Claim 15
Dependent Claim 32 words
The air conduit and diffuser assembly as in claim 9 wherein said diffuser openings are generally normal to said associated metering opening and said diffuser openings are larger than said metering openings.
Claim 16
Dependent Claim 32 words
The air conduit and diffuser assembly as in claim 2 wherein said diffuser openings are generally normal to said associated metering opening and said diffuser openings point in a generally upward direction.
Claim 17
Dependent Claim 28 words
The air conduit and diffuser assembly as in claim 14 wherein said lower portion and said decorative skin forms a chamber near their intersection with said support panel.
Claim 18
Dependent Claim 50 words
The air conduit and diffuser assembly as in claim 15 wherein said chamber is in fluid communication with said metering openings and said diffuser openings whereby air passes through said metering opening into said chamber and then through said diffuser openings, and then along a distance of said decorative skin.
Claim 19
Dependent Claim 195 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room below said ceiling, wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit, and a lower portion having a generally tubular shape open at the top to receive the support panel, said support panel and said lower portion together forming the central cavity; a plurality of openings through said conduit to diffuse said air from said conduit into said room; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air flow communication with areas of said room below said ceiling; wherein the support panel has a cavity for receiving a light fixture and securing means for selectively securing the light fixture in the cavity to mount a light fixture in the room.
Claim 20
Dependent Claim 195 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room below said ceiling, wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit, and a lower portion having a generally tubular shape open at the top to receive the support panel, said support panel and said lower portion together forming the central cavity; a plurality of openings through said conduit to diffuse said air from said conduit into said room; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air flow communication with areas of said room below said ceiling; wherein the support panel has a cavity for receiving a light fixture and securing means for selectively securing the light fixture in the cavity to mount a light fixture in the room.
Claim 21
Dependent Claim 174 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room below said ceiling, wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit, and a lower portion having a generally tubular shape open at the top to receive the support panel, said support panel and said lower portion together forming the central cavity; a plurality of openings through said conduit to diffuse said air from said conduit into said room; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air flow communication with areas of said room below said ceiling; said assembly additionally comprising a decorative skin surrounding said lower portion.
Claim 22
Dependent Claim 174 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room below said ceiling, wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit, and a lower portion having a generally tubular shape open at the top to receive the support panel, said support panel and said lower portion together forming the central cavity; a plurality of openings through said conduit to diffuse said air from said conduit into said room; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air flow communication with areas of said room below said ceiling; said assembly additionally comprising a decorative skin surrounding said lower portion.
Claim 23
Dependent Claim 29 words
The air conduit and diffuser assembly as recited in claim 18 wherEin said skin has a sound absorbing surface thereon to aid in absorbing the sound in the room.
Claim 24
Dependent Claim 35 words
The air conduit and diffuser assembly as recited in claim 19 wherein the skin has a series of perforations therethrough, and a backing of sound absorbing material to aid in absorbing sound in the room.
Claim 25
Dependent Claim 245 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room below said ceiling, wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit, abd a lower portion having a generally tubular shape open at the top to receive the support panel, said support panel and said lower portion together forming the central cavity: and wherein the support panel and the lower portion are both made in elongated sections for being attached together and an alignment band is provided for each joint of the sections, said alignment band being secured to adjacent ends of the panel sections to attach the panel sections together and to close the gap between the sections: a plurality of openings through said conduit to diffuse said air from said conduit into said room; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air flow communication with areas of said room below said ceiling, said air conduit and diffuser assembly additionally comprising a decorative skin around said alignment bands and said lower portion and attached to said support panel.
Claim 26
Dependent Claim 245 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room below said ceiling, wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit, abd a lower portion having a generally tubular shape open at the top to receive the support panel, said support panel and said lower portion together forming the central cavity: and wherein the support panel and the lower portion are both made in elongated sections for being attached together and an alignment band is provided for each joint of the sections, said alignment band being secured to adjacent ends of the panel sections to attach the panel sections together and to close the gap between the sections: a plurality of openings through said conduit to diffuse said air from said conduit into said room; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air flow communication with areas of said room below said ceiling, said air conduit and diffuser assembly additionally comprising a decorative skin around said alignment bands and said lower portion and attached to said support panel.
Claim 27
Dependent Claim 55 words
The air conduit and diffuser assembly as in claim 21 wherein the panel is provided with metering openings and said decorative skin covering said metering openings and said skin has diffuser openings therethrough in fluid communication to said metering openings, said diffuser openings permitting air to flow from the metering openings therethrough into the room.
Claim 28
Dependent Claim 33 words
The air conduit and diffuser assembly as in claim 22 wherein seal means is provided between said skin and said upper portion to prevent the air from leaking therebetween from said diffuser openings.
Claim 29
Dependent Claim 46 words
The air conduit and diffuser assembly as in claim 22 wherein the diffuser openings are in the upper half of the skin, but below the metering openings to diffuse the air therethrough along the skin downwardly to uniformly diffuse the air into and throughout the room.
Claim 30
Dependent Claim 34 words
The air conduit and diffuser assembly as in claim 22 wherein the diffuser openings are in the upper half of the skin and flush therewith to be hidden from view from the room below.
Claim 31
Dependent Claim 201 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room below said ceiling, wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit, and a lower portion having a generally tubular shape open at the top to receive the support panel, said support panel and said lower portion together forming the central cavity; a plurality of openings through said conduit to diffuse said air from said conduit into said room; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air flow communication with areas of said room below said ceiling, wherein said air conduit and diffuser assembly additionally comprises canal means mounted in the central cavity to divide the cavity into two portions, one portion to act as an air passage and the other portion to carry utilities.
Claim 32
Dependent Claim 201 words
An air conduit and diffuser assembly for use in a room below the room ceiling in full view to conduct air from a source thereof into the room and to diffuse the air throughout the room, comprising: conduit means having a central cavity therein for conducting the air from said source therealong into said room below said ceiling, wherein the conduit means includes: a support panel forming the upper portion of the conduit and having means for receiving a lower portion of the conduit, and a lower portion having a generally tubular shape open at the top to receive the support panel, said support panel and said lower portion together forming the central cavity; a plurality of openings through said conduit to diffuse said air from said conduit into said room; and attaching means for attaching said conduit means in said room below said ceiling, said conduit being thereby in visual and air flow communication with areas of said room below said ceiling, wherein said air conduit and diffuser assembly additionally comprises canal means mounted in the central cavity to divide the cavity into two portions, one portion to act as an air passage and the other portion to carry utilities.
Claim 33
Dependent Claim 22 words
The air conduit and diffuser assembly as in claim 26 where the attaching means additionally mounts the canal means in said cavity.
Claim 34
Dependent Claim 178 words
An air conduit and diffuser assembly for use below a ''''T'''' concrete deck ceiling above a room to mount a light fixture or the like and to conduct air from a supply into a room to be diffused throughout the room comprising: an elongated support panel, said support panel having a longitudinal cavity for receiving an elongated light fixture with the light bulb thereabove, and having means for receiving a duct; a duct received by said support panel, said duct and said support panel together forming a central cavity to conduct air therealong, and having a plurality of openings therethrough to diffuse air into the room; and attaching means attaching said support panel and said duct in said room between the downwardly extending portions of said ''''T''''s of the ceiling, said panel and said duct being located a spaced distance from said ceiling whereby the light bulb does not protrude into the line of sight past the downwardly extending portion of the ''''T''''s and by the sides of the duct to keep the light bulb hidden from view.
Claim 35
Dependent Claim 178 words
An air conduit and diffuser assembly for use below a ''''T'''' concrete deck ceiling above a room to mount a light fixture or the like and to conduct air from a supply into a room to be diffused throughout the room comprising: an elongated support panel, said support panel having a longitudinal cavity for receiving an elongated light fixture with the light bulb thereabove, and having means for receiving a duct; a duct received by said support panel, said duct and said support panel together forming a central cavity to conduct air therealong, and having a plurality of openings therethrough to diffuse air into the room; and attaching means attaching said support panel and said duct in said room between the downwardly extending portions of said ''''T''''s of the ceiling, said panel and said duct being located a spaced distance from said ceiling whereby the light bulb does not protrude into the line of sight past the downwardly extending portion of the ''''T''''s and by the sides of the duct to keep the light bulb hidden from view.
Claim 36
Dependent Claim 125 words
An air conduit and diffuser assembly as in claim 28 wherein the support panel and the duct have a chamber associated therewith with a multiplicity of metering openings through which air from the central cavity passes into the chamber, and a multiplicity of diffuser openings through which the air in the chamber passes into the room, said diffuser openings being located in such a relationship to said metering openings that the velocity of the air between the two openings directs the air out of the diffuser opening downwardly along the sides of the duct for a short distance to avoid hitting the downwardly extending portions of the T deck ceiling and thereby avoiding the air being directed thereby in a stream down into the room.
Claim 37
Dependent Claim 120 words
In a room with a floor, ceiling and side walls, an air conduit and diffuser assembly to conduct air from a supply into the room to be diffused throughout the room comprising: conduit means mounted below the ceiling in the room, said conduit means having a central cavity therein to conduct air therealong and a plurality of openings therethrough to diffuse the air into the room, said openings being in the upper half of the conduit means to be substantially hidden from view from the room below; and attaching means attaching said conduit means in said room under said ceiling, and means for directing air flow generally tangentially through said openings in a generally downwardly oriented direction into the room.
Claim 38
Dependent Claim 120 words
In a room with a floor, ceiling and side walls, an air conduit and diffuser assembly to conduct air from a supply into the room to be diffused throughout the room comprising: conduit means mounted below the ceiling in the room, said conduit means having a central cavity therein to conduct air therealong and a plurality of openings therethrough to diffuse the air into the room, said openings being in the upper half of the conduit means to be substantially hidden from view from the room below; and attaching means attaching said conduit means in said room under said ceiling, and means for directing air flow generally tangentially through said openings in a generally downwardly oriented direction into the room.
Claim 39
Dependent Claim 116 words
A top discharge air duct system constructed to be hung from a ceiling which comprises a plurality of air ducts, each air duct comprising a U-shaped member forming the top portion of said duct having flanged portions extending therefrom and having spaced air passage holes therethrough, a wrapper cylindrically curved, the ends of said wrapper terminating on the flanged portions, means for securing the ends of the wrapper to the flanged portions and means for joining two adjacent sections of said duct together and hanging said sections from the ceiling, whereby when said duct system is hung from a ceiling, the air is discharged from the top portion of the air duct through said spaced holes.
Claim 40
Dependent Claim 116 words
A top discharge air duct system constructed to be hung from a ceiling which comprises a plurality of air ducts, each air duct comprising a U-shaped member forming the top portion of said duct having flanged portions extending therefrom and having spaced air passage holes therethrough, a wrapper cylindrically curved, the ends of said wrapper terminating on the flanged portions, means for securing the ends of the wrapper to the flanged portions and means for joining two adjacent sections of said duct together and hanging said sections from the ceiling, whereby when said duct system is hung from a ceiling, the air is discharged from the top portion of the air duct through said spaced holes.
Claim 41
Dependent Claim 33 words
A top discharge air duct system according to claim 31 wherein the U-shaped member is in the form of an upright U and which further comprises a light disposed in the U portion.
Claim 42
Dependent Claim 90 words
A section of a top discharge air duct system constructed to be hung from a ceiling which comprises an air duct comprising a U-shaped member forming the top portion of said duct having flanged portions extending from the top of the U and having spaced air passage holes through the flanged portions for air emission, a wrapper cylindrically curved, the ends of which overlap the flanged portions, mEans for securing the ends to the flanged portions and means attached to the U-shaped member for hanging said section from the ceiling.
Claim 43
Dependent Claim 90 words
A section of a top discharge air duct system constructed to be hung from a ceiling which comprises an air duct comprising a U-shaped member forming the top portion of said duct having flanged portions extending from the top of the U and having spaced air passage holes through the flanged portions for air emission, a wrapper cylindrically curved, the ends of which overlap the flanged portions, mEans for securing the ends to the flanged portions and means attached to the U-shaped member for hanging said section from the ceiling.

References Cited (Backward Citations)

US1550714A Cited
US2222497A Cited
US2956587A Cited
US3357088A Cited
US3478667A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-07-15 1978-01-14 1978-07-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-15 1982-01-14 1982-07-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-15 1986-01-14 1986-07-16 $7700.00 Window Closed / Lapsed

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