FIELD: engines and pumps.
SUBSTANCE: actuating device of decompression motor brake in internal combustion engine includes cam shaft (7) and one or more in-line cylinders each of which is equipped with one or more outlet valves (2.1, 2.2). Valve levers (3.1, 3.2) and hydraulic pushers (5.1, 5.2) are connected to outlet valves. Valve levers (3.1, 3.2) include common axis (4) for each cylinder. There is at least one additional valve lever (9) for each cylinder, which turns about common axis (4) and provided with possibility of being engaged with the corresponding additional cam (7) located on cam shaft (7). At least one actuator system for additional valve lever (9) for each cylinder has the possibility of moving the valve lever (9) between the first position in which valve lever (9) is not engaged with additional cam (10), thus, determining the deactivated state of motor brake, and the second position in which valve lever (9) is engaged with additional cam (10), thus determining the activated state of motor brake. Internal combustion engine with actuating device of decompression motor brake is described.
EFFECT: easier manufacture and improved reliability.
12 cl, 12 dwg
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