Patent ID: 6526944
Filing Date: 2003-03-04
Classification: F02F,F02M

Abstract:
A control unit for an injection system for fuel, comprising a control part (1) which is movable between a valve seat (6) and a stop face (7) of a bore (32) in a housing (29), a high-pressure line (25) which discharges into the bore (32) that penetrates the housing (29) and receives the control part (1), and a control face (28) of the control part (1) opposite the valve seat (6) acting in the higher rpm range as a throttle element for filling the pump chamber (9), the motion of said control part (1) is reinforced by two energy accumulators (4, 5) assigned to actuating devices (2, 3) of the control part (1), said control part (1) is provided with a closing body (13) and a cylinder (14) and wherein the diameter (13.1) of the closing body (13) is dimensioned so as to be greater than the diameter (14.1) of the cylinder (14).