VALVE WITH ELECTROMAGNETIC DRIVE Russian patent published in 2004 - IPC

FIELD: mechanical engineering; engines. SUBSTANCE: invention relates to valves with electromagnetic drive designed for injection of fuel. Proposed valve with electromagnetic drive has longitudinal axle, core with end face surface made of ferromagnetic material, coil and armature with end face surface setting into action locking member engaging with fixed seat of valve and attracted to end face surface of core used as stop when coil is engaged. One of two end face surfaces of such parts as armature and core pointed to each other is provided with spherically convex ring contour with constant circumferential form. EFFECT: improved design of valve with electromagnetic drive, increased service life and operating characteristics of valve. 9 cl, 4 dwg