Resistance-and-reactance-compounded exhaust silencer
A technology of exhaust muffler and resistance muffler, applied in muffler devices, machines/engines, engine components, etc., can solve the problems of increased cost investment, short service life, waste of manpower, material and financial resources, etc. High, medium and low frequency noise, stable structure, smooth exhaust effect
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Example Embodiment
[0031] Example 1.
[0032] The impedance composite exhaust muffler of this embodiment is such as figure 1 , figure 2 , image 3 , Figure 4 with Figure 5 As shown, it includes a resistive muffler and a resistive muffler, the resistive muffler is connected to the resistive muffler, and a third fixed ring 1 is arranged between the resistive muffler and the resistive muffler; the resistive muffler consists of the first The size head 2, the resonance tube 3, the second size head 4, the first fixing ring 5 and the second fixing ring 6. The first size head 2 includes a head with a larger inner diameter and a head with a smaller inner diameter, and the second size head 4 includes an inner diameter. The larger end and the smaller end of the inner diameter, the first and second smaller end 2 with the smaller inner diameter and the second smaller end of the smaller inner diameter 4 are respectively the same as the inner diameter of the resonance tube 3, the first and smaller end 2 with t...
Example Embodiment
[0039] Example 2.
[0040] An impedance composite exhaust muffler. The difference between this embodiment and Embodiment 1 is that it is also provided with a muffler housing 12, a resonance tube 3, a second large and small head 4, an inner lining tube 7 and a third large and small head 11 are all placed inside the muffler shell 12. The provided muffler shell 12 can modify the appearance, strengthen the anti-vibration capability, and better fix the other components of the entire impedance composite exhaust muffler.
[0041] As a preferred embodiment, a first end panel 13 and a second end panel 14 are also provided. The first end panel 13 is fixed at one end of the muffler housing 12, and the second end panel 14 is fixed at the end of the muffler housing 12. The other end. The first end panel 13 and the second end panel 14 are provided to prevent air flow and sound waves from entering the gap between the muffler housing 12 and the duct of the resistant muffler, and can also play a...
Example Embodiment
[0045] Example 3.
[0046] An impedance composite exhaust muffler. The difference between this embodiment and Embodiment 1 is that the muffler shell 8 is provided with two or more. Correspondingly, it is made of ultra-fine glass fiber and high-temperature rock wool. There are two or more muffler blocks 9 of fireproof material. In this embodiment, the preferred solution is: six sound-absorbing block shells 8 are provided, and correspondingly, six sound-absorbing blocks 9 made of porous fireproof material made of ultrafine glass fiber and high-temperature rock wool are provided. Six sound-absorbing blocks 9 made of ultra-fine glass fiber and high-temperature rock wool are made of porous fireproof material, which are arranged vertically from top to bottom inside the inner lining pipe 7, which can enhance the sound absorption effect and ensure smooth exhaust.
[0047] The resistive muffler is also provided with an air outlet pipe 17, one end surface of the air outlet pipe 17 is conn...
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