Muffler cover for internal combustion engine

Details Muffler cover for internal combustion engine Muffler cover for internal combustion engine

1988-08-09

1989-05-23

Fuller, B. R.

Acoustics

Sound-modifying means

Combined

181230, 181240, 181243, 181282, 180 892, F01N 700

Patent

active

048321516

ABSTRACT:
A muffler cover has a plurality of air holes formed therein. At least part of the air holes is formed in such a manner as to have configurations which indicate characters or symbols, and at least those portions of the muffler facing the portions of the muffler cover that correspond to the air holes indicating the characters or symbols are coated with a heat resistant coating.

REFERENCES:
patent: 4433542 (1984-02-01), Shimura
patent: 4478310 (1984-10-01), Harter
patent: 4609067 (1986-09-01), Gonwa
Outdoor Power Equipment, Aug./1986, GIA Show Issue Excerpts.

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