ELECTROMAGNETIC VALVE Russian patent published in 1994 - IPC

FIELD: manufacture of fittings. SUBSTANCE: sleeve is secured on armature of electromagnet. Shut-off member is pressed to seat by main spring. Rod is passed through hole in armature; one end of rod is engageable with shut-off member and its other end is provided with shoulder. Spring is arranged inside sleeve. Diameter of hole made in armature is equal to diameter of shoulder provided on rod. Sleeve is secured on armature on side of shut-off member. In the sleeve bottom there is a hole which receives rod. Circular projection is concentric with hole in the bottom. Components of the valve made in compliance with preset relationships. One of engageable surfaces of shoulder on rod and projection in sleeve is convex. Rod with shoulder and projection are made of flexible material. EFFECT: enhanced reliability. 3 cl, 1 dwg