| 摘要 |
PURPOSE: An intake noise reduction structure of an intake system for a vehicle is provided to reduce the weight of a car body and make structure simple and remove noise in the whole revolution per minute section effectually. CONSTITUTION: An intake noise reduction structure of an intake system for a vehicle comprises an intake duct(10), an air cleaner(20) and an intake hose(30). The air cleaner has an inlet port connected to the intake duct. The intake hose connects the outlet port to a throttle body. A U-tube(40) is installed at the middle of the intake hose. The U-tube connects the upstream and the downstream of the intake hose. A closed pipe(50) is installed at the site adjacent to the U-tube. The closed pipe is extended from one side of the intake hose and the tip end of the closed pipe is blocked.
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