发明名称 |
Air ventilation box for use in mechanical air treating and ventilating systems in e.g. tertiary building, has airflow guiding nozzle arranged in internal space of box and between inlet orifice and suction opening of centrifugal fan |
摘要 |
<p>The box (1) has a centrifugal fan (6) provided with a delivery opening (7) that is connected to an airflow outlet orifice (5) and a suction opening (8). The centrifugal fan is arranged in an internal space of the box and between an airflow inlet orifice (4) and the outlet orifice. An airflow guiding nozzle (9) is arranged in the internal space of the box and between the inlet orifice and the suction opening of the centrifugal fan. The guiding nozzle is provided with a perforated surface, and fixed to an internal panel (12) of the box at the level of the inlet orifice.</p> |
申请公布号 |
FR2951247(A1) |
申请公布日期 |
2011.04.15 |
申请号 |
FR20090004936 |
申请日期 |
2009.10.14 |
申请人 |
FRANCE AIR |
发明人 |
PHILIPPE STEPHANE;DUC GONINAZ DELPHINE |
分类号 |
F24F7/00;F24F7/007 |
主分类号 |
F24F7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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