Fuel cell ejector

Abstract

The invention relates to an ejector (10) for a fuel cell (1), comprising: a housing (16), comprising a converging pipe (15), a mixing chamber (14) and a diverging pipe (8) which are arranged sequentially and communicate from one side to the other in an axial direction (A) of the housing (16), the housing (16) further comprising a first inlet (6) communicating with the interior of the housing (16) and a second inlet (7) communicating with the interior of the housing (16); a nozzle (12) which is located inside the housing (16); a needle (19) housed at least partially inside the mixing chamber (14) and movable in the axial direction (A) inside the nozzle (12); and an adjustment device (17) which is at least partially located inside the housing (16), the adjustment device (17) comprising an adjustment element (18) extending around the mixing chamber (14);wherein the adjusting element (18) and the needle (19) are connected to each other. Figure 3;