Gas-liquid mixing device, especially for aerating water in aquaria, comprises a motor-driven pump with a toothed impeller

摘要

Gas-liquid mixing device comprises a housing (1) containing a suction and mixing chamber (11), a pressure and dissolution chamber (12), an opening (13) between the two chambers, a suction pipe (2) opening into the upper part of the suction and mixing chamber, a motor-driven pump (4) with a spindle extending into the suction and mixing chamber, a toothed impeller (5) attached to the spindle, and a liquid outlet (122).