ELECTROMAGNETIC VALVE Russian patent published in 1996 - IPC

FIELD: mechanical engineering; fuel feed control systems. SUBSTANCE: shutoff member is fitted in body with guide bore for displacement by means of electromagnet armature and for engagement with valve seat by sealing surface on shutoff member bead. Unit to transmit drive effort to shutoff member has spring placed between unit and support surface of member made movable relative to drive unit. Shutoff member is pressed to stop of drive unit by spring with valve opened and it recedes from stop when valve is closed. Unit is placed in bore and is provided with damping shoulder whose end face surface facing the seat is made for contact with pressure surface of body. EFFECT: enhanced reliability of control of passage area. 6 cl, 1 dwg