Patent ID: 6244245
Filing Date: 2001-06-12
Classification: F02M

Abstract:
A valve control unit for a fuel infection valve, comprising a housing body (2), said housing body including first and second valve control chambers (3, 4) that continuously communicate with each other, a valve control piston (5) includes an end member (6) which is movable inside the first valve control chamber (3), an inlet conduit (18) for fuel communicates with said first valve control chamber (3), and the second valve control chamber (4) communicates with an outlet conduit (21) that can be closed and opened by a valve ball (20), the end member (6) is comprised of an inner structural member (7) and an outer structural member (8) that can move in relation to each other, and in which the inner structural member (7) is rigidly connected to the valve control piston (5) at one end and that an end plate (13b) is secured to another end of said inner structural member (7) for securing the outer structural member (8) on the inner structural member (7) with initial stress.