Patent ID: 6273032
Filing Date: 2001-08-14
Classification: F02B,F02M,Y02T

Abstract:
A dual-substance nozzle (3) for injecting fuel and a supplementary fluid into a combustion chamber of an internal combustion engine, comprising a nozzle body (3.0) which has at least one inlet bore (3.2) for the delivery of fuel at high pressure into the dual-substance nozzle (3), and nozzle bores (3.8) for injecting the supplementary fluid from the dual-substance nozzle into the combustion chamber, a jacket (7) is disposed around the nozzle body (3.0) and encloses at least one hollow chamber (8), adjoining an outside of the nozzle body (3.0) and extending around the nozzle body (3.0) for receiving said supplementary fluid, and that a feed line (5) is provided for delivering said supplementary fluid at high pressure into the hollow chamber (8) and one or more injection nozzles are provided for injecting said supplementary fluid from the hollow chamber (8) into the combustion chamber, and the jacket (7), on an upper end, is annularly sealingly joined to the nozzle body (3.0), and on a lower end rests in raisable fashion with a defined pressure on the nozzle body (3.0).