DEVICE FOR SUPPLY OF FUEL TO DIESEL ENGINE NOZZLE Russian patent published in 2015 - IPC F02M37/00 F02M57/00 F02M63/00 F02D41/38 

FIELD: engines and pumps.

SUBSTANCE: device for supply of fuel to the engine nozzle 1 is offered which contains a fuel pressure booster inserted into a cylinder head of an engine and having a housing 2 designed as a barrel with collar. In the housing 2 the spring-loaded step boosting piston 3 is located. The bushing 23 with a threaded connection with the cylinder head is put on the housing near the collar. Between the housing 2 and the nozzle the fixing ring 6 having a threaded connection with the cylinder head, the washer 7 with the conic hollow located from the nozzle side, the tubular rod 8 with the conic ends located in the hollow made in the washer 7, and in the funnel made in the nozzle housing, are installed.

EFFECT: decrease of losses of pressure of the fuel supplied into a nozzle, increase of pressure of fuel injection into the engine cylinders and improvement of mix forming process without complication of the nozzle design.

3 cl, 2 dwg