CAVITATOR FOR HEAT RELEASE IN LIQUID Russian patent published in 1999 - IPC

FIELD: heat-power engineering; liquid heating apparatus of various purpose. SUBSTANCE: cavitator for heat release in liquid has cylindrical housing 1 with Venturi tube 2 located coaxially inside it. Venturi tube holds insert 4. Screw feeder 3 is mounted before insert 4 on Venturi tube 2 on side of incoming flow for rotation about Venturi tube. Insert 4 extends beyond Venturi tube 2 on side of scope of flow. Outer surface of insert 4 is provided with longitudinal slots 5 open on side of screw feeder 3 and brought in communication with outlet surface of insert 4 on opposite side by means of holes 6. EFFECT: increased factor of conversion of energy of moving liquid to thermal energy. 5 cl, 1 dwg