ELECTROHYDRAULIC NOZZLE FOR DIESEL Russian patent published in 2017 - IPC F02M45/08 F02M47/02 F02M61/16 

FIELD: engines and pumps.

SUBSTANCE: electrohydraulic nozzle is proposed, comprising the housing 1 with the control spring loaded valve located therein 2 with the electromagnetic actuator 3, the atomizer 4 in the cavity 5 of which the fuel is located, supplied from the accumulator to the control chamber 6 with the filler 7 and drain 8 jets, which comprises the spring 9 holding the needle 10 in the down position, and the basic supports 11, 12 limiting the full stroke of the needle 10 and the control valve 2. The nozzle is additionally provided with two intermediate stops 13, 14 with additional springs 15, 16, one of which is mounted in the control chamber 6 and the second one - in the control valve cavity 2 with the possibility to provide limiting the motion of the control valve and the atomizer needle at the first stage of injection.

EFFECT: provision of injection stepwise characteristics while simplifying and reducing the cost of the electrohydraulic nozzle construction.

2 dwg