Rotary piston type engine

Abstract

The invention relates to an engine, in particular to a rotary piston type engine. The engine comprises an annular cylinder and two rotating bodies, wherein each rotating body is provided with a plurality of pistons; two groups of pistons are arranged alternately in the cylinder, and divide the cylinder into a plurality of work rooms with variable volumes; a rotator (2) is arranged on the neck of an eccentric shaft of an output shaft (1); besides revolving around the rotating center of the output shaft, the rotator rotates around the center of a neck (1a) of the eccentric shaft on the output shaft; two ends which are arranged oppositely at 180 degrees around the rotation center on the rotator and the two rotating bodies in the cylinder are in controllable connection respectively; if when the output shaft and the rotators rotate at uniform speed, the two rotating bodies rotate at rotating speed with cyclical fluctuation, the pistons on the rotating bodies move along the rotating bodies, two adjacent pistons get close and are separated with each other constantly, and each work room of the engine completes four strokes of operation of the engine sequentially.

Description

Technical field: [0001] The invention relates to an engine, in particular to a rotary piston engine. Background technique: [0002] The traditional four-stroke piston reciprocating engine relies on the combustion of fuel in the combustion chamber to push the piston to reciprocate up and down or horizontally, and then convert the linear motion of the piston into the rotation of the crankshaft through the connecting rod and crankshaft. The main disadvantages of this engine are 1. The structure is complex, bulky and heavy. 2. The reciprocating inertial force and moment of inertia caused by the reciprocating motion of the piston in the crank-connecting rod mechanism cannot be completely balanced. The magnitude of this inertial force is proportional to the square of the speed, which reduces the smoothness of the engine's operation and limits the development of high-speed engines. 3. Since the working method of the four-stroke reciprocating piston engine is that three of the four...

AI Technical Summary

Problems solved by technology

The main disadvantages of this engine are 1. Complex structure, large volume and heavy weight

2. The reciprocating inertial force and moment of inertia caused by the reciprocating motion of the piston in the crank-connecting rod mechanism cannot be completely balanced. The magnitude of this inertial force is proportional to the square of the speed, which reduces the smoothness of the engine's operation and limits the development of high-speed engines.

3. Since the working method of the four-stroke reciprocating piston engine is that three of the four strokes completely rely on the inertial rotation of the flywheel, resulting in very uneven power and torque output of the engine, although modern engines use multi-cylinder and V-shaped arrangements. reduce this shortcoming, but it is impossible to eliminate it completely

However, because the combustion chamber of this engine is not very conducive to the combustion and diffusion of fuel, the fuel consumption rate is high and the exhaust emissions are more pollutants. For diesel engines, this severely limits the popularization and application of the rotary engine

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