Most automobiles use reciprocating engines because their pistons reciprocate in a straight line. This is true whether it is a gasoline engine or a diesel engine. The opposite of the reciprocating piston engine is the rotary engine, in which the piston rotates in the cylinder.
The rotary engine now referred to refers to the triangular piston rotary engine designed by the German engineer Felix Wankel in the 1950s. Therefore, the rotary engine is also known as the Wankel engine.
The main components of the rotary engine are simple in structure, small in size, large in power, stable in operation at high speed, and have good performance, causing the automobile
The industry's attention, have carried out research and development experiments. However, after decades of experiments, it has been proved that this kind of engine is not comparable to the traditional reciprocating piston engine, and its piston edge is severely worn and the fuel consumption is high.
The piston of the rotary engine is a flat triangle, the cylinder is a flat box, and the piston is eccentrically placed in the cavity. When the piston makes planetary motion in the cylinder, the volume of the working chamber changes periodically with the rotation of the piston, so as to complete the four working strokes of intake compression, work and exhaust. For each revolution of the piston, a four-stroke working cycle is completed. The four-stroke working cycle is the same in principle as the four-stroke working cycle of the compound engine, but the shape and trajectory of the piston are different.
