Patent ID: 8366835

Claim:
A hydrodynamic nozzle, of the type which is useful for rinsing the interior of a pipe, comprising a nozzle body ( 1 ) having a first, forward end and a second, rear end, in the rear end a section-wise centrally located intake ( 6 ) for rinsing water, internal rinsing water channels by which rinsing water is redirected from the rinsing water intake ( 6 ) to multiple rinsing water discharges ( 8 ) mouthing in the rear end of the nozzle body in a radially outer region with respect to the rinsing water intake, characterized by a passage ( 16 ) for air extending through the nozzle body, said air passage ( 16 ) connecting an air intake ( 17 ), mouthing in the forward end of the nozzle body, to an air discharge ( 18 ) mouthing in the rear end of the nozzle body, wherein the air discharge ( 18 ) is defined, partly through an outer wall located radially inside the rinsing water discharges ( 8 ), and partly through an inner wall located radially outside the rinsing water intake ( 6 ), and configured to discharge air.