Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1980-01-28
1982-05-25
Hix, L. T.
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181224, 181272, 181279, F01N 108, F01N 114
Patent
active
043312136
ABSTRACT:
An exhaust gas control system has a guiding pipe with a proximal inlet end for connecting to a distal end of an engine exhaust pipe. An expanding portion of the guiding pipe has a central rearward expanding cone and spiralling blades extending between the cone and the walls of the expanding portion. The expanding portion is followed by an axially decreasing chamber and then an axially increasing chamber to the distal opening. A duct is supported on radial vanes around the latter chambers. The duct has a forward opening slightly rearward of a maximum cross-sectional dimension of the guiding pipe and has an outlet positioned rearward of the distal opening of the guiding pipe.
REFERENCES:
patent: 965135 (1910-07-01), Gibson
patent: 2646854 (1953-07-01), Walker
patent: 2911055 (1959-11-01), McDonald
patent: 3857458 (1974-12-01), Ohtann et al.
patent: 4226298 (1980-10-01), Bancel et al.
Fuller Benjamin R.
Hix L. T,.
Leith Mitsuko
Wray James C.
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