Air intake pipeline of a twin-turbocharged engine

Abstract

An air inlet pipeline of a double-turbine supercharged engine is used for balancing the air inlet amount of each cylinder of the double-turbine supercharged engine and comprises an air filter assembly, a first air inlet hose assembly, a first air inlet flowmeter, a second air inlet hose assembly, a second air inlet flowmeter and a pressure stabilization cavity. The air filter assembly comprises an air filter air inlet pipe, an air filter first air outlet and an air filter second air outlet, wherein the air filter first air outlet is connected with the first air inlet flowmeter, the back surface of the first air inlet flowmeter is connected with the first air inlet hose assembly, the air filter second air outlet is connected with the second air inlet flowmeter, the back surface of the second air inlet flowmeter is connected with the second air inlet hose assembly, and the pressure stabilizing cavity is connected between the first air inlet hose assembly and the second air inlet hose assembly and is composed of a left half part and a right half part which are mutually communicated. The air inlet pipeline of the double-turbine supercharged engine is simple in structure, good in airtightness, assists in relieving the delaying phenomenon of turbines of the double-turbine supercharged engine, and resolves the problems of shaking and vibration of the engine.

Description

technical field [0001] The invention relates to an automobile engine intake pipeline, in particular to an intake pipeline suitable for twin-turbocharged engines, and belongs to the technical field of automobile engines. Background technique [0002] The engine turbocharging technology is to use the energy of the engine exhaust gas to drive the turbine of the turbocharger to rotate, and then the turbine drives the compressor impeller to pressurize the air entering the engine intake pipe, so as to improve the charging efficiency of the engine. Although more air can enter the cylinder through the turbocharger, so that a greater output power can be obtained by increasing the oil supply, but the disadvantage of the turbocharger is the response lag, that is, due to the inertia of the turbocharger on the throttle suddenly The response to changes is slow, causing the engine to delay increasing or decreasing output power. For a car that is about to accelerate or overtake suddenly, th...

AI Technical Summary

Problems solved by technology

[0003] Existing twin-turbocharged engines generally adopt a single-pipeline structure on the outlet side of the air filter, and then use a three-way pipe to connect two pipelines communicating with the two superchargers. There are differences in the lengths and cross-sectional shapes of the pipelines connected to the two superchargers, so that the air velocity and flow rate entering the two superchargers are different, so the intake air volume provided to each cylinder of the engine is different, resulting in engine jitter and vibration problems; in addition However, the connection method of three-way pipe fittings in the air intake pipeline still has defects such as a large number of parts, a complex structure, and difficulty in ensuring the airtightness of the sealing parts.

Images