1987-10-01

Noise Reduction in Exhaust Piping System by Use of Heat-Resistant Epoxide Muffler 871922

Automobile and motorcycle mufflers, installed in a restricted space, must effect noise reduction without interfering with engine efficiency.
Experiments were performed in this study, using heat-resistant epoxide resin in place of expandable steel as the material for the muffler of a gasoline engine exhaust system.
The findings show that use of heat-resistant epoxide resin as the material for a portion of a gasoline engine exhaust system i.e., : the muffler, results in noise reduction, even in a restricted space.
This resin is also effective in bringing about weight reduction, vibration reduction and rust-proofing, and is expected to contribute to reduction of back pressure in exhaust piping systems.

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