Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1988-07-27
1989-08-08
Fuller, B. R.
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181238, 181240, 181243, 181256, 181264, 181282, F01N 110
Patent
active
048544175
ABSTRACT:
An exhaust muffler for an internal combustion engine, comprising a hollow casing defining a plurality of chambers which are communicated with each other by way of small holes, an exhaust inlet tube fixedly attached to an exhaust port of an internal combustion engine at its one end and fitted into the casing from a hole provided therein for communication with one of the chambers at its other end, and an exhaust outlet passage communicating another one of the chambers to the atmosphere. The internal end of the exhaust inlet tube and an opposing casing wall are joined by a threaded fastener while the exhaust inlet tube is provided with an annular shoulder surface which fits into the hole of the casing in an air tight fashion, so that the mounting of the muffler can be accomplished simply by fitting the casing of the muffler onto the exhaust inlet tube which is typically attached to a cylinder head of an internal combustion engine in advance and tightening the threaded fastener.
REFERENCES:
patent: 2510440 (1950-06-01), Vokes
patent: 3798769 (1974-03-01), Bailey
patent: 4125171 (1978-11-01), Morris
patent: 4565260 (1986-01-01), Scheidt et al.
patent: 4779415 (1988-10-01), Richardson et al.
Ikeno Tetsuro
Takahashi Hideo
Uesugi Naomoto
Fuller B. R.
Honda Giken Kogyo Kabushiki Kaisha
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