Air inlet flow guide pipe and preparation method thereof
A guide tube and intake hose technology, applied in intake muffler, mechanical equipment, combustion air/combustion-air treatment, etc., can solve the complex direction of intake guide tube, large intake resistance, bellows It can improve the NVH level, improve the noise reduction effect, and improve the assembly efficiency.
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[0034] The specific technical solutions of the present invention will be specifically described below in conjunction with the drawings and specific embodiments.
[0035] Air intake duct: In the air intake system of a car, the air intake pipe connecting the air inlet and the air filter is also called the dirty pipe; it is used to guide air into the air filter.
[0036] Such as figure 1 As shown, an intake duct includes an intake port 1, a first rigid pipe 2, an intake hose 3, and a second rigid pipe 4, and one end of the first rigid pipe 2 is fixedly connected to the first rigid pipe. The air inlet 1, the other end is fixedly connected to the air inlet hose 3, one end of the air inlet hose 3 is connected to the first rigid pipe 2, and the other end is connected to the second rigid pipe 4; wherein the air inlet soft The tube 3 is a corrugated-like structure hollow pipe formed by spiral wound ultrasonic welding of the porous non-woven fabric 31 and the glass filament 32. In this embo...
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