FIELD: engine building.
SUBSTANCE: piston internal combustion engine (hereinafter – ICE) with at least one intake valve (3) located in head (1) of cylinder (2), to which intake pipeline (4) is connected, with accumulator (6) for compressed air, from which compressed air can be injected into cylinder (2) by means of valve (7) made with the possibility of controlling, is proposed. ICE has shut-off element (8) in intake pipeline (4) to block the flow cross-section of intake pipeline (4), wherein valve (7) and shut-off element (8), depending on each other and on the required power, are made with the possibility of controlling in such a way that, based on a control signal, additional compressed air (9) from accumulator (6) for compressed air can be supplied to an area of intake pipeline (4) in which intake valve (3) is located and which, when shut-off element (8) is in its closed position, is limited, mostly, with cylinder head (1), and with increased amount of injected fuel, the torque may increase. Intake valve (3) by means of a control element that determines its movement during the compression stroke can be briefly switched back to an opening position, during which compressed air (9) from accumulator (6) for compressed air can be introduced into cylinder (2) by means of controlled valve (7), and shut-off element (8) is in its closed position, or when a compressor fails, having a compressor and an exhaust-gas turbine of an exhaust-gas turbocharger, all combustion air from accumulator (6) for compressed air can be supplied to cylinder (2), and the exhaust-gas turbine then drives an additional compressor to supply accumulator (6) for compressed air.
EFFECT: technical result is an increase in the torque.
11 cl, 7 dwg
