Patent ID: 7540265
Filing Date: 2009-06-02
Classification: F01L

Abstract:
1. Device for actuating at least one pair of valves of an internal combustion engine disposed in a housing of the type comprising, for each valve, magnetizing means, at least one spring acting on the valve toward an equilibrium position and comprising a fixed end made integral with an adjustable stop and a movable end made integral in translation with the valve, the adjustable stop comprising meshing means adapted to cooperate with mating meshing means of a control element to enable the movement of the stop with respect to the housing, so as to adjust the tare of the spring, wherein the control element is placed in a permanent manner in the housing in a manner adjacent to the adjustable stops of the two valves of a same pair, the housing comprising means for guiding and positioning the control element selectively in two positions meshing with the two adjustable stops respectively.