On mobile so I can link , but check out app harbor . Not the fastest thing in the world but totally free everything and some cool plugins . <| sep |> Well , yes . I imagine most Voat users would just assume that was the logo . <| sep |> I went for achievement I still keepo coming back or something like that . <| sep |> 1 The Venturi effect seems to always involve a bottleneck in the flow to reduce pressure . Your device doesn ' t have such a bottleneck , so it looks like only Bernouli ' s equation applies . That is , the air in the pipe is moving and the air outside is not , so the pressure is lower inside the pipe , drawing the outside air in . 2 I don ' t see a valve in the photo , but all the images of eductors in Google search involve a nozzle of high velocity drawing in fluid parallel to the nozzle , with the resulting flow much slower than the original . I would say your set up fits in the category of injector , but maybe not eductor .