6 Gasoline Engine and Six Stroke Driving Method thereof

The present invention provides a gasoline engine and a six-stroke driving method thereof, which can further reduce the amount of nitrogen oxides and fine dust generated when performing combustion by allowing combustion to be performed at a low temperature when a primary explosion and secondary explosion occur, thereby reducing substances harmful to a human body, which are included in finally discharged exhaust gas, by the maximum. The gasoline engine of the present invention comprises: an auxiliary chamber communicating with a combustion chamber of a main chamber; an opening and closing valve installed on a passage communicating with the combustion chamber of the main chamber and the auxiliary chamber; and a first ignition plug and a second ignition plug, which are positioned in the combustion chamber of the main chamber and the auxiliary chamber. In an intake stroke, air is introduced into the combustion chamber in a state that an intake valve is opened, and the opening and closing valve is previously opened while a piston is moved downward to introduce 50% of the air, which is introduced in the combustion chamber, into the auxiliary chamber. In a primary compression stroke, 50% of air in the combustion chamber is introduced into the auxiliary chamber to be compressed, and 50% of air in the combustion chamber is compressed. In a primary explosion stroke, 100% of gasoline fuel is supplied, and 50% of air in the combustion chamber and 50% of gasoline fuel is simultaneously burned by ignition by the first ignition plug. In a secondary explosion stroke, 50% of air in the auxiliary chamber is mixed with the remaining gasoline fuel and exhaust gas to be compressed in a state that only the opening and closing valve is opened. In a secondary explosion stroke, mixed gas in the auxiliary chamber is burned by ignition by the first ignition plug and the second ignition plug. In an exhaust stroke, the exhaust gas in the combustion chamber is discharged in a state that the intake valve and the opening and closing valve are closed, and the exhaust valve is opened. 본 발명은 1차 및 2차폭발시 낮은 온도에서 연소가 이루어지도록 하여 연소시 발생하는 질소산화물과 미세먼지의 양을 보다 감소시켜 최종적으로 배출되는 배기가스에 포함된 인체 유해물질을 최대한 저감시킬 수 있는 가솔린 엔진 및 그의 6행정 구동방법을 제공한다. 본 발명의 가솔린 엔진은, 메인챔버의 연소실과 연통하는 보조챔버와, 메인챔버의 연소실과 보조챔버가 연통하는 통로에 설치된 개폐밸브와, 메인챔버의 연소실과 보조챔버 내에 구비된 제1 및 제2 점화플러그를 더 포함하며, 흡기행정은 흡기밸브를 개방한 상태에서 연소실에 공기를 유입시키고, 연소실로 유입되는 공기의 50%를 보조챔버 내에 유입시키기 위해 피스톤의 하강 도중에 상기 개폐밸브를 미리 개방, 1차압축행정은 연소실 내 50%의 공기를 보조챔버에 유입 및 압축을 시키고, 연소실