JET PUMP Russian patent published in 2004 - IPC

FIELD: mechanical engineering; pumps. SUBSTANCE: proposed is designed for pumping out decomposition gases by means of water steam. Pump has housing with active nozzle in central part provided on inner front surface a cone-shaped section forming passive nozzle at outlet, and detachable mixing chamber connected with housing in zone of cone-shaped section through front flange, and also diffuser with flange connected with corresponding rear flange of detachable mixing chamber through detachable adapter with inner conical surface with of opening identical to angle of diffuser opening. Each detachable mixing chamber is provided with individual flanges with inner diameter corresponding to diameter if chamber, and each detachable adapter has conical surface of different length. EFFECT: creating of deep vacuum. 6 cl, 2 dwg