LIQUID ATOMISATION DEVICE

The invention relates to a liquid atomization device (1), comprising: - a sleeve (2) one end of which has a spraying orifice (4), - a needle (10) which has a free end (11) facing the spraying orifice and which is mounted for translational movement in the sleeve between a closed position and an open position of the spraying orifice, - excitation means (20) adapted to vibrate the needle between its closed and open positions, and - a liquid inlet (30). According to the invention, the needle (10) has an internal conduit (12) which opens onto its free end (11), and a gas inlet (40) is provided which communicates with said internal conduit (12).