NOZZLE FOR DIESEL ENGINE Russian patent published in 2004 - IPC

FIELD: mechanical engineering; diesel engines.

SUBSTANCE: invention relates to nozzles designed for injection of fuel in diesel engine. Proposed nozzle has hollow body with fuel feed channel, spray tip, shutoff needle installed in spray tip body and loading unit with two elastic elements installed for interacting with shutoff needle. One elastic element is made of coaxially arranged elastometer cylinder rigidly connected with inner surface of first adjusting sleeve at one side and side surface of pressure rod at other side. Second elastic element in formsteel spring is arranged in space of second adjusting sleeve for interaction with end face surface of first adjusting sleeve. Rigidity of elastometer elastic element is 1.5-1.0 times greater than rigidity of steel spring.

EFFECT: provision of two-step injection, improved conditions of adjusting and servicing.

1 dwg