Tri-communicated rotary adjusting device

Abstract

The invention relates to a tri-communicated rotary adjusting device, and belongs to the technical field of mechanical design. The device comprises an air compressor, an engine, a turbine, a connecting pipe, an adjusting mechanism, a rotator, a run-through pipe, a step motor, and a rotating shaft, wherein the air inlet and the air outlet of the engine are respectively connected with the air outlet of an air inlet pipe of the engine and the air inlet of an air outlet pipe of the engine; the rotator is arranged inside the adjusting mechanism; the run-through pipe is arranged on the rotator; one end of the rotating shaft is connected with the step motor, and the other end of the rotating shaft penetrates through the lower wall surface of the adjusting mechanism, and then is fixedly connected with the rotator into a whole. When the engine is operated at a low speed, the step motor drives the rotator to rotate to enable a first connecting pipe and a second connecting pipe to be communicated, so that the shaking and vibration of the air compressor can be avoided; when the engine is operated at a high speed, the step motor drives the rotator to rotate to enable a third connecting pipe and a fourth connecting pipe to be communicated and to enable a fifth connecting pipe and a sixth connecting pipe to be communicated, so that the detonation pressure of the engine is relatively lower. The device is reasonable in design, simple in structure, and applicable to the design of the air feeding and discharging system of a supercharged engine.

Description

technical field [0001] The invention relates to an engine intake and exhaust system in the technical field of mechanical design, in particular to a three-communication rotary adjustment device. Background technique [0002] With the development of modern society, people have higher and higher requirements on the power and economy of the engine. In the case of a certain displacement, the most effective way to increase the output power of the engine is to provide more fuel for combustion. It is easy to provide more fuel to the cylinder through the injector, but it is not so easy to provide the amount of air to match the increased amount of fuel at the same time; The effect is poor. When the fuel injection volume is constant and the cylinder air intake volume is large, the combustion is better, and the fuel consumption and emissions are lower. The traditional naturally aspirated engine completely relies on the vacuum formed in the cylinder to inhale air when the piston moves...

AI Technical Summary

Problems solved by technology

However, the existing turbocharging systems cannot take into account the low-speed operating conditions and high-speed operating conditions of the engine well.

[0003] After searching the existing technical literature, it was found that Chinese patent number ZL200410050996.3, patent name: a variable modular pulse conversion supercharging device for a turbocharged diesel engine, the patented technology provides an exhaust device in the exhaust pipe The device with continuously variable volume can better take into account the high-speed and low-speed working conditions of the engine; but the change of the exhaust volume in the exhaust pipe is realized by moving the moving rod up and down, which requires an additional A special control mechanism is used to control the movement of the moving rod, so that the structure of the booster system becomes more complicated, and the sealing of the exhaust pipe system is also poor under high temperature conditions.

Images