FIELD: engines and pumps.
SUBSTANCE: device includes at least one working distributing shaft (10) that can be displaced in phase relative to crankshaft (12) by means of adjustment device (11) of working distributing shaft, and decompression braking device (13) including at least one brake cam (14) and at least one decompression gas distributing valve (15). The proposed actuating device of gas distributing valve includes adjustment device (16) intended for setting the instant of actuation time of gas distributing decompression valve. The method for the actuating device of gas distributing valve is described.
EFFECT: possibility of setting the braking power corresponding to the engine operating mode.
8 cl, 2 dwg
