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    • 7. 发明申请
    • MULTI-PORT VENTILATION
    • US20220128263A1
    • 2022-04-28
    • US17487403
    • 2021-09-28
    • Broan-NuTone LLC
    • Richard R. SinurRyan A. Revers
    • F24F13/10F24F11/89F24F7/04
    • A ventilation device having a housing defining an outlet, a first inlet configured to be in fluid communication with a first room of a building structure and a second inlet configured to be in fluid communication with a second room of a building structure. A blower is located within the housing to move air from the first and second inlet to the outlet. A first damper is located adjacent the first inlet and configured to be operable between a closed position blocking fluid communication between the blower and the first inlet and an open position allowing fluid communication between the blower and the first inlet. A second damper is located adjacent the second inlet and configured to be operable between a closed position blocking fluid communication between the blower and the second inlet and an open position allowing fluid communication between the blower and the second inlet. The first damper and the second damper are individually controllable to allow the blower to facilitate different ventilation rates through the first inlet and the second inlet.