FIELD: engines and pumps.
SUBSTANCE: invention can be used in the internal combustion engines. Reciprocating piston internal combustion engine comprising cylinder head (3) arranged at least one air inlet valve (5) and at least one exhaust valve (6), an electromagnetic valve (4) for introducing air into the combustion chamber (13) and / or air output from the combustion chamber (13) is arranged. Electromagnetic valve (4) in open position pneumatically connects the combustion chamber (13) and the pneumatic accumulator (1) through the pneumatic duct (2a). Pneumatic accumulator (1) is designed to supply the vehicle's air brake. Electromagnetic valve (4) is controlled by control unit depending on the pressure and / or temperature of the pneumatic system, the position of the piston, load requirements, engine speed and / or boost pressure in the cylinder. Control unit is designed so that in operating states in which the total engine torque is not required for the at least one cylinder with the fuel injection shut off, electromagnetic valve could be opened (4) when moving up the piston (7) and close in the top dead center range to take the compressed air out of the combustion chamber (13) and feed it to the pneumatic accumulator (1). Control unit is also designed so that, in the compression stroke of the forced idle mode, immediately after closing the intake valve (5), open the solenoid valve (4) for additional pressurization of the compressed air and, at the latest, when the gas pressure in the cylinder reaches the pressure in the pneumatic accumulator (1), close it again. Engine, an industrial vehicle with a reciprocating internal combustion engine and a method of operating a reciprocating internal combustion engine are disclosed.
EFFECT: technical result is to reduce emissions of nitrogen oxide and soot in the processes of acceleration from idling or low part load of the engine.
13 cl, 3 dwg
