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What is the internal structure of the car muffler?

The internal structure of the automobile muffler is generally composed of several parts such as an exhaust pipe, a connecting screw sleeve, a muffler cylinder and a cylinder core. The muffler is an extension of the exhaust pipe, which should ensure smooth exhaust of the engine, low resistance and sufficient strength.

2023

Will a broken exhaust pipe muffler affect fuel consumption?

Generally speaking, this situation is caused by the deformation of the exhaust pipe bracket. It may be that the joint between the exhaust manifold and the exhaust pipe is strained, or the joint of the three-way catalyst (if it is a gasoline vehicle) is strained.

2023

What is the difference between a three-way catalytic converter and a muffler?

When the high-temperature automobile exhaust gas passes through the purification device, the purification agent in the three-way catalytic converter will enhance the activity of the three gases CO, HC and NOx, and promote them to undergo a certain oxidation-reduction chemical reaction, in which CO is oxidized at high temperature to become non-toxic. Color, non-toxic carbon dioxide gas; HC compounds are oxidized to water (H20) and carbon dioxide at high temperature; NOx is reduced to nitrogen and oxygen.

2023

Where is the car muffler

At the end of the exhaust pipe, the principle is similar to that of a firearm muffler, and a car muffler is mainly used to reduce the noise generated when the engine of a motor vehicle is working. The car muffler is the thicker part in the middle of the exhaust pipe. The working principle of the muffler: Since the length difference between the two pipes is equal to half of the wavelength of the sound waves emitted by the car, the two columns of sound waves interfere with each other and weaken when they are superimposed. Sound intensity, so that the sound is reduced, so as to play the effect of silencer.

2023

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