Patent ID: 9561515
Date: 2017-02-07
CPC Classifications: A01G,B05B,B64D,C23C,F02M,F23D,H05B

Claim:
1. Cold-gas spray gun comprising a mixing chamber, through which a process gas flows, and a powder injector for injecting a gas-powder mixture into the mixing chamber, the powder injector having a powder injector tube comprising a feed opening for feeding the gas-powder mixture into the powder injector and a discharge opening for discharging the gas-powder mixture from the powder injector, wherein: the powder injector tube is closed at one end-face end, the discharge opening is perpendicular to a longitudinal axis of the powder injector tube and is formed as an opening in a side wall of the powder injector tube; and the discharge opening opens into the cavity of the powder injector tube at an axial distance from the closed end-face end of the powder injector tube such that the side walls of the powder injector tube extend past the discharge opening and the axial distance from the closed end-face generate a volume between the discharge opening and the closed end-face end of the powder injector tube.