A box- or screen-like supply air terminal device and a...

F - Mech Eng,Light,Heat,Weapons – 24 – F

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Details

F24F 13/075 (2006.01) F24F 13/068 (2006.01)

Patent

CA 2248324

A supply air terminal device (1) of box-like or screen-like construction has a front wall (5) in which there are disposed a plurality of groups (10) of slots (7) with the groups and the slots in each group mutually spaced apart. Each group of slots is allocated a nozzle module (11) mounted on the inside of the wall (5). Each nozzle module (11) includes a number of nozzles (12) corresponding to the number of slots, wherein each nozzle functions to repeatedly deflect the part-flows (B) through an angle of 90~ from a delivered main flow. To this end, each nozzle (12) of a nozzle module (11) carries at its ends curved deflecting parts (12b) which project progressively further out in the direction of the main flow. The deflected part-flows mutually collide and exit with a low impulse through the slots (7) allocated to respective nozzles (12). The invention also relates to a nozzle module for a supply air terminal device (1) of the aforesaid kind.

Dispositif terminal d'apport d'air (1) revêtant la forme d'un caisson ou d'un écran présentant une paroi antérieure (5) dans laquelle sont ménagées plusieurs séries (10) de fentes (7), ces différentes séries et les fentes elles-mêmes de chaque série étant espacées les unes des autres. Chaque série de fentes correspond à un module de buses (11) monté à l'intérieur de la paroi (5). Chaque module de buse (11) comprend un certain nombre de buses (12) correspondant au nombre de fentes, de telle sorte que chaque buse à pour fonction de défléchir de manière répétitive chaque flux partiel (B) sous un angle de 90· à partir d'un flux principal. A cette fin, chaque buse (12) d'un module (11) comporte à ses extrémités des volets déflecteurs incurvés (12b) qui font saillie de manière progressive et croissante dans le sens du flux principal. Les flux partiels défléchis se heurtent entre eux et sortent avec une intensité réduite par les fentes (7) correspondant à chacune des buses (12). L'invention porte également sur un module de buse destiné au dispositif terminal d'apport d'air (1) du type précité.

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