Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1977-08-18
1978-11-07
Watson, Robert C.
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181258, 181269, 181273, F01N 108
Patent
active
041240910
ABSTRACT:
A silencer which may be arranged in place in an exhaust system of an internal combustion engine includes walls forming the main body of the silencer; a first separator supported by the walls to define a rear chamber therebetween; a second separator supported by the walls to define a first intermediate chamber between the walls and the first and second separators; a flame-extinguishing device supported by the walls to define a second intermediate chamber in combination with the walls, the second separator and the flame-extinguishing device as well as to define a front chamber between the walls and the flame-extinguishing device; an inlet pipe in fluid communication with the front chamber whereby an exhaust gas may flow from the inlet pipe into the front chamber; an outlet pipe in fluid communication with the first intermediate chamber whereby the exhaust gas may flow out of the first intermediate chamber through the outlet pipe; and an inner pipe having a plurality of apertures formed therein.
REFERENCES:
patent: 2392559 (1946-01-01), Varma
patent: 3519098 (1970-07-01), Plaga, Jr.
patent: 3677364 (1972-07-01), Pawlina
patent: 3887032 (1975-06-01), Harris
patent: 3960239 (1976-06-01), Frochaux et al.
Toyota Jidosha Kogyo Kabushiki Kaisha
Watson Robert C.
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