ELECTROMAGNETIC VALVE Russian patent published in 1997 - IPC

FIELD: fuel injection systems of internal combustion engines. SUBSTANCE: secured at one end of tubular housing is metal insertion seat with shut-off member fitted on it, metal intermediate bush being secured to other end. Other end of this bush is tightly connected with end of intake pipe union embraced by magnetic coil and used as core of electromagnet whose armature is mounted in housing for engagement with shut-off member. At least one ferromagnetic guide member is mounted coaxially relative to coil. Guide member is made in form of clamp passing axially through entire length of coil and at least partially embracing the coil circumferentially. Polymer envelope embraces part of valve. Electric connecting pipe union is made from extruded synthetic material. Coil is provided with lining embracing it. Lining is made from extruded synthetic material forming single unit of coil with jack. EFFECT: enhanced reliability. 5 cl, 2 dwg