| 摘要 |
Draught-regulating aspirator device for creating and stabilising the low pressure of a smoke duct. The invention relates to a draught-regulating aspirator device which has the aim of creating and stabilising the low pressure of a smoke duct where the draught is insufficient. This device is constituted by a horizontal panel 2, on which, in its lower face, there is fixed by its base a cone 3. This panel/cone assembly is removable in a frame 4 for freeing the outlet of the smoke duct during its maintenance. This frame 4 is supported by four vertical feet 5 which are themselves fixed to a second frame 6 intended for anchoring the entire device on the upper part of the smoke duct. On the circumference of this anchoring frame 6 is an air deflector 7. <IMAGE>
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