ELECTROMAGNETIC NOZZLE FOR INTERNAL COMBUSTION ENGINE Russian patent published in 2003 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: invention relates to gasoline engine employing electronic fuel injection devices. Proposed electromagnetic nozzle for internal combustion engine contains body with spray tip connected to body and electromagnetic coil placed inside. Armature press fitted on shank of needle valve and core secured in body are arranged in axial hole of electromagnetic coils being installed with clearance relative to each other. Spring pressed to needle valve armature is arranged in fuel feed hole of core. Core is hermetically connected to body from of armature by means of bushing made of nonferromagnetic material. EFFECT: provision of easy to manufacture, functionally effective electromagnetic nozzle with hermetically sealed fuel feed duct. 1 dwg