NOZZLE OF MULTIFUEL DIESEL ENGINE Russian patent published in 2004 - IPC

FIELD: mechanical engineering; diesel engines.

SUBSTANCE: proposed nozzle of multifuel diesel engine has body with channels to supply main fuel and additional spray tip combined with body and provided with corresponding channels for main fuel and addition. Spring-loaded needle is installed in inner space of body provided with conical surface in contact with locking conical surface of spray tip body and forming with spray tip body pocket space and underneedle space and is provided with axial channel to supply additional which can communicate with underneedle space through radial inclined channels whose outlet edges are located on locking conical surface of locking needle and communicate through additional radial channels with ring channel formed between surfaces of spray tip body and locking needle and communicating with pocket space by main fuel supply channels and atomizing crifices of first group made in spray tip body whose inlet edges are arranged in underneedle space. Spray tip body is provided additionally with atomizing orifices of second group whose inlet edges are located on locking conical surface of spray tip in zone between sections with diameter D_o.e. of location of outlet edges of radial inclined channels and diameter D_l.e. of location of locking edge of spray tip locking needle.

EFFECT: provision of simultaneous correction of mixture content and re-distribution of fuels among zones of combustion chamber.

5 cl, 6 dwg