| 摘要 |
The invention concerns an air inlet casing of which the output is intended for supplying a heating, ventilation and/or air-conditioning system, including a first circuit, intended for supplying fresh and/or recycled air to at least one air-driving device, and a second circuit intended for supplying recycled air to said system, said casing further comprising a means (16, 17) making it possible to supply a flow of recycled air in addition to that of the second circuit, communicating with the first circuit, said first circuit being configured such that a pressure drop is created therein upstream from the supply of the additional recycled air flow. |
