GAS FUEL FEED INJECTOR Russian patent published in 2013 - IPC F02M51/08 F02M21/02 

FIELD: engines and pumps.

SUBSTANCE: injector to feed fuel into automotive ICE cylinder comprises case with coil supply connector, coil, core and seat with at least two through holes, thrust arranged in the core for adjustable displacement along core axis, and armature with at least one gas duct arranged between core and seat to displace from extreme closed position to extreme open position and to be spring-loaded to seat by spring arranged in thrust lengthwise channel. Paramagnetic insert is fitted in core bore, its end surface extending above core end surface. Armature in extreme open position thrusts against paramagnetic insert end surface while thrust outer surface extending above paramagnetic insert end surface makes an armature guide.

EFFECT: higher working pressure, decreased injector physical size, lower current consumption, normal operation at low onboard circuit voltage.

16 cl, 4 dwg