ACCUMULATING DIESEL NOZZLE Russian patent published in 2007 - IPC F02M47/02 

FIELD: engine engineering.

SUBSTANCE: diesel nozzle comprises housing that receives the accumulating space and sprayer with needle loaded with a spring mounted in the chamber above the needle. The above-needle chamber is connected with the pressure pipeline through the opening. The above-needle chamber is in communication with the accumulating space through the passage that receives controlled spring-loaded valve. The nozzle receives the check valve interposed between the pressure pipeline and accumulating space and piston mounted in the fuel passage. The check valve has shank provided with recesses for flowing fuel and relief collar for reducing pressure.

EFFECT: reduced time for rising the needle.

1 dwg