A special intake and exhaust system for fsae racing jh600 engine

Abstract

The invention discloses a special intake-exhaust system for a JH600 engine of a FSAE racing car. The special intake-exhaust system comprises an integrated intake pipeline with a cow-horn-shaped flow-limiting valve, an exhaust pipeline with double 90-degree elbows, and a three-cavity and three-pipe silencer, wherein one end of an intake end of the integrated intake pipeline with the cow-horn-shaped flow-limiting valve is connected with a throttle valve with an inner diameter of 28mm through a flange, and one end of an exhaust end of the integrated intake pipeline with the cow-horn-shaped flow-limiting valve is fixedly connected with the JH600 engine; and an intake end of the exhaust pipeline with the double 90-degree elbows is fixedly connected with the JH600 engine, and an exhaust end of the exhaust pipeline with the double 90-degree elbows is connected with an intake end of the three-cavity and three-pipe silencer through a flange. The invention designs a complete intake-exhaust system specially for the JH600 engine in the case of meeting the rule of FSAE, intake and exhaust for the engine can be smoother, the power performance of the engine is furthest exerted, and exhaust noise pollution is reduced as far as possible.

Description

technical field [0001] The invention relates to a formula racing car, in particular to a special intake and exhaust system for an FSAE racing car JH600 engine. Background technique [0002] In the Formula Student racing competition, the rules have strict restrictions on the intake of the car, requiring that all the intake air flow of the engine must pass through a restrictor valve with a diameter of 20mm, which causes the phenomenon of insufficient intake of the original engine intake; Exhaust noise is also strictly limited, requiring the upper limit of the noise level of the racing car to be 100 weighted decibels in neutral and 110 weighted decibels at other speeds. It is difficult for ordinary mufflers to meet the requirements. As a large-displacement single-cylinder engine, the JH600 engine is often used by teams in the FSAE arena. Therefore, combined with the JH600 engine, a new design of the intake and exhaust system that can provide a large intake air volume and low n...

AI Technical Summary

Problems solved by technology

[0002] In the Formula Student racing competition, the rules have strict restrictions on the intake of the car, requiring that all the intake air flow of the engine must pass through a restrictor valve with a diameter of 20mm, which causes the phenomenon of insufficient intake of the original engine intake; Exhaust noise is also strictly limited. It is required that the upper limit of the noise level of the racing car is 100 weighted decibels when it is in neutral, and the upper limit of the noise level is 110 weighted decibels at other speeds. It is difficult for ordinary mufflers to meet the requirements.

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