Dual-channel supercharged intake manifold

Abstract

The invention discloses a novel two-channel pressurized air charging pipe, comprising a pipe body, wherein the interior of the pipe body comprises an air charging section at the front end and an air discharging section at the back end; a first air charging pipeline and a second air charging pipeline, which are formed in parallel at an interval, are formed at the air charging section in the interior of the pipe body; the first air charging pipeline and the second air charging pipeline are converged to form a pipeline at the air discharging section of the interior of the pipe body; the first air charging pipeline is provided with a one-way valve, and the second air charging pipeline is provided with a ducted fan. According to the novel two-channel pressurized air charging pipe, the situations of low air charging negative pressure and insufficient air charging amount of an engine at a middle / low-speed operation stage can be greatly solved, the air charging efficiency of the engine is improved, and the middle / low-speed torque and power are increased; meanwhile, the reduction on air charging resistance of the engine at a high-speed operation stage is ensured, the air charging speed is increased, and the sufficient air charging amount is ensured, so that the output power of the engine is effectively ensured.

Description

technical field [0001] The invention relates to an air intake pipe, which belongs to the technical field of engine air intake components, in particular to a dual-channel supercharged air intake pipe which adopts ducted air intake supercharging and is suitable for motorcycle engines. Background technique [0002] In order to increase the air intake efficiency of the engine, mechanical or turbocharging technology is generally used in automobiles, and the following problems exist in the application of this technology: [0003] 1. The air intake booster system is bulky, expensive to produce and maintain, and has a relatively short service life. Moreover, the gas temperature is high after boosting, and an intercooler, bypass valve, etc. are required to reduce the temperature and limit the pressure. Due to the limitation of the engine layout, this supercharging method is difficult to implement on exposed engines such as motorcycles. [0004] 2. Both the exhaust gas turbine and th...

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Problems solved by technology

[0003] 1. The intake booster system is bulky, expensive to produce and maintain, and has a relatively short service life. Moreover, the gas temperature is high after boosting, and an intercooler, bypass valve, etc. are required to reduce the temperature and limit the pressure.

Due to the limitation of engine layout, this supercharging method is difficult to implement on exposed engines such as motorcycles.

[0004] 2. Both the exhaust gas turbine and the mechanical turbine for automobiles are directly linked with the engine speed, and the speed range of the motorcycle (1500r / min~10000r / min), the speed span is large, which makes it difficult to control

[0005] 3. The torque of the motorcycle is low at the middle and low speed stage, and the torque is large at the middle and high speed stage. In the actual operation of the motorcycle engine, the intake charge at the middle and high speed stage can meet the use requirements, and the intake charge at the middle and low speed stage is insufficient. Weaknesses need to be improved

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