Lineal air diffuser bar

Claim 2

An air diffusing assembly for use in a suspended ceiling system employing a plurality of ceiling panels, comprising an inverted channel-shaped structure constructed from a single sheet of material having an intermediate wall and parallely extending sidewalls depending therefrom, said sidewalls terminating respectively in outwardly extending flanges, disposed in a common plane for engagement with respective ceiling panels, said intermediate wall of said channel having openings therein for the supply of air to the channel interior, means cooperable with said channel-shaped structure for conducting air to said openings, an air diffuser member of generally V-shape in transverse crosssection, having a pair of downwardly directed converging sidewalls connected at their respective upper edges to the channel structure, said converging sidewalls terminating in outwardly diverging wall portions connected at their bottom edges by an intermediate wall portion, said diverging wall portions each being spaced from the junction of the channel walls and associated flanges to provide air passages therebetween with said intermediate connecting portion being disposed below said flanges, at least one of said converging sidewalls having openings therein for the passage of air therethrough, and a damper member disposed in the air diffuser member and having a sidewall slidable along the inner face of said air diffuser member instructed to selectively vary the effective size of the openings in the associated diffuser sidewall for controlling air flow therethrough.

Claim 3

An assembly according to claim 1, wherein said air conducting means comprises a channel-like member having an intermediate portion secured to the connecting portion of said channel structure and having openings therein communicating with the openings in said U-shaped structure, the free edges of said channel-like member being constructed for engagement with respective walls of an air duct.

Claim 4

An assembly according to claim 2, wherein the edges of said channel-like member each are of U-shape in transverse cross-section to form a channel in which the edges of the adjacent walls of such an air duct may be disposed.

Claim 5

An assembly according to claim 1, wherein said channel-shaped structure and said air diffuser are provided with interlocking portions operated to retain the same in assembled relation.

Claim 6

An assembly according to claim 1, wherein said damper member is generally V-shape in transverse cross-section, having sidewalls overlying and slidable on the inner faces of the sidewalls of said air diffuser member, the walls of said damper member having offsets therein adjacent their lower edges engageable with said outwardly diverging portions and connected by an intermediate portion bearing on the intermediate portion of said air diffuser member.

Claim 7

An assembly according to claim 5, wherein said air conducting means comprises a channel-like member having an intermediate portion secured to the connecting portion of said channel structure and having openings therein communicating with the openings in said U-shaped structure, the free edges of said channel-like member being constructed for engagement with respective walls of an air duct.

Claim 8

An assembly according to claim 5, wherein said intermediate portion of the air diffuser member is provided with access openings therein to permit access to said damper member for adjusting the same.

Claim 9

An assembly according to claim 7, wherein said intermediate portion of the damper members is provided with an opening therein adapted to align with the opening in said air diffuser member for receiving an adjusting member.

Claim 10

An air diffusing runner assembly for assembly in a suSpended ceiling system employing a plurality of ceiling panels supported by a suspended grid structure formed by a plurality of suitably connected runners of generally inverted T-shape in transverse cross-section, providing oppositely directed aligned flanges upon which peripheral edge portions of such ceiling panels are adapted to rest, comprising an inverted channel-shaped structure constructed from a single sheet of material having an intermediate wall and parallely extending sidewalls depending therefrom, said sidewalls terminating respectively in outwardly extending flanges, disposed in a common plane for engagement with respective ceiling panels, said flanges having a transverse width substantially equal to that of the respective runner flanges and adapted to present a corresponding appearance, said sidewalls each having a vertical height substantially equal to the corresponding height of the runners of the grid structure in which it is to be assembled and form a part thereof, the intermediate connecting portion of said channel having openings therein for supply of air to the channel interior, means cooperable with said channel-shaped structure for conducting air to said openings, an air diffuser member of generally V-shape in transverse cross-section, having a pair of downwardly directed converging sidewalls connected at their respective upper edges to the channel structure, at least one of said converging sidewalls having openings therein for the passage of air therethrough, and a damper member of generally V-shape in transverse cross-section disposed in the air diffuser member and having respective sidewalls slidable along the inner faces of the adjacent walls of said air diffuser member, at least one of which is constructed to selectively vary the effective size of openings in the associated diffuser sidewall for controlling air therethrough.

Claim 11

An air diffusing runner assembly for assembly in a suSpended ceiling system employing a plurality of ceiling panels supported by a suspended grid structure formed by a plurality of suitably connected runners of generally inverted T-shape in transverse cross-section, providing oppositely directed aligned flanges upon which peripheral edge portions of such ceiling panels are adapted to rest, comprising an inverted channel-shaped structure constructed from a single sheet of material having an intermediate wall and parallely extending sidewalls depending therefrom, said sidewalls terminating respectively in outwardly extending flanges, disposed in a common plane for engagement with respective ceiling panels, said flanges having a transverse width substantially equal to that of the respective runner flanges and adapted to present a corresponding appearance, said sidewalls each having a vertical height substantially equal to the corresponding height of the runners of the grid structure in which it is to be assembled and form a part thereof, the intermediate connecting portion of said channel having openings therein for supply of air to the channel interior, means cooperable with said channel-shaped structure for conducting air to said openings, an air diffuser member of generally V-shape in transverse cross-section, having a pair of downwardly directed converging sidewalls connected at their respective upper edges to the channel structure, at least one of said converging sidewalls having openings therein for the passage of air therethrough, and a damper member of generally V-shape in transverse cross-section disposed in the air diffuser member and having respective sidewalls slidable along the inner faces of the adjacent walls of said air diffuser member, at least one of which is constructed to selectively vary the effective size of openings in the associated diffuser sidewall for controlling air therethrough.

Claim 12

An assembly according to claim 9, wherein said air conducting means comprises a channel-like member having an intermediate portion secured to the connecting portion of said channel structure and having openings therein communicating with the openings in said channel-shaped structure, the free edges of said channel-like member being constructed for engagement with respective walls of an air duct.

Claim 13

An assembly according to claim 10, wherein the edges of said channel-like member each are of U-shape in transverse cross-section to form a channel in which the edges of the adjacent walls of such an air duct may be disposed.

Claim 14

An assembly according to claim 9, wherein said channel-shaped structure comprises a pair of spaced runner members each having an intermediate web forming the sidewalls of said channel-shaped structure and each provided at its lower edge with said outwardly extending flange, each of said webs being provided at its upper edge with a longitudinally extending bead, and a horizontally disposed member connecting said beads and forming the intermediate portion of said channel member, said horizontally disposed member having downwardly depending sidewall portions constructed to engage said beads for preventing downward movement of said runners relative to said connecting member, said air diffuser member having its upper edge portions each disposed on the top of the adjacent runner bead and having the adjacent wall of the diffuser disposed in engagement with the sidewall of the adjacent runner bead for preventing disengagement of such bead from the bead engaging portions of said horizontally extending member.

Claim 15

An assembly according to claim 12, wherein said damper members are constructed with upper edge portions disposed adjacent the horizontally disposed connecting member, operative to prevent relative separating movement between said damper and diffuser members.

Claim 16

An assembly according to claim 13, wherein said damper member is generally V-shape in transverse cross-section having sidewalls overlying and slidable on the interface of the sidewalls of the diffuser member, the diffuseR and damper member having respective cooperable intermediate portions at their lower converging edges, said intermediate portion of the diffuser member being so positioned with respect to the plane of said runner flanges that an air passage is provided between the junction of such intermediate portion with each sidewall of the diffuser member and a free edge of the adjacent runner.

Claim 17

An assembly according to claim 14, wherein said runners are each provided at the lower edge of the web portion with oppositely disclosed flange portions, all aligned in a common plane, with the intermediate portion of the diffuser member being spaced above such plane, wherein said air passages are each defined by the juncture of said intermediate and sidewall portions of the diffuser member and the edge of the adjacent runner flange.

Claim 18

An assembly according to claim 15, wherein said air conducting means comprises a channel-like member having an intermediate portion secured to the connecting portion of said channel structure and having openings therein communicating with the openings in said U-shaped structure, the free edges of said channel-like member being constructed for engagement with respective walls of an air duct.

Claim 19

An assembly according to claim 16, wherein said intermediate portion of the air diffuser member is provided with access openings therein to permit access to said damper member for adjusting the same.

Claim 20

An assembly according to claim 17, wherein said intermediate portion of the damper members is provided with an opening therein adapted to align with the opening in said air diffuser member for receiving an adjusting member.