主权项 |
1. A ventilation air mixer, comprising:
a branch air duct having an inlet, wherein the inlet is configured to be coupled to a takeoff port of a main air source duct, and wherein the branch air duct has multiple holes arranged about a wall of a mixing portion of the branch air duct; and a trim air mixer at least partially surrounding the branch air duct and forming a cavity extending from the inlet of the branch air duct to at least the mixing portion of the branch air duct, the trim air mixer having a trim air source duct connection coupled at an angle about a midsection of the trim air mixer, wherein the angle is substantially acute relative to a longitudinal axis of the branch air duct such that trim air entering into the trim air mixer via the trim air source duct connection is directed toward the inlet of the branch air duct. |