The schematic gas exchange is shown in 0. Two-stroke gas exchange is performed through the inlet and exhaust valve unlike scavenging ports in conventional two-stroke diesel engine. Four-stroke gas exchange is performed like in ordinary four-stroke diesel engine. The essence of the innovation is to improve gas exchange during the two-stroke mode of engine operation.
This feature allows increasing the vehicle power-to-weight ratio when it is necessary in accordance with the changing vehicle operation and road conditions.Įligible areas of activity for the proposed innovations are: (1) combat tank diesel engines, (2) combat vehicle and heavy army truck diesel engines, (3) heavy truck diesel engines, (4) special purpose vehicles diesel engines (emergency vehicles, fire trucks and others), and (5) engines in electrical generator sets. The engine with proposed improvements is capable of doubling the engine output power and of holding it up for a certain period (time depends on a type of the engine) without overheating. Scavenging in four-stroke and two-stroke mode of operation is fulfilled through the same inlet and exhaust valves. The proposed improvements to conventional four-stroke internal combustion engine (ICE) accelerate its gas exchange and allow switching the ICE (especially Diesel) from four-stroke to two-stroke regime during engine operation. Internal combustion engine with 2 / 4 (two and four) stroke switching concept. Internal combustion engine with 2-stroke/4-stroke switching during its operation Summary:
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