Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1980-01-28
1981-12-01
Hix, L. T.
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181279, F01N 112, F01N 114
Patent
active
043031439
ABSTRACT:
An exhaust gas control system has a proximal end for connection to a distal end of an exhaust pipe and has a first divergent and convergent and second divergent portions. Curved spiralling blades extend around inner walls of the first divergent and convergent portions leaving an open central space about which exhaust gas whirls. The second divergent portion exhausts the swirling gas through a distal opening. A duct surrounds the convergent and second divergent portions and controls flow of ambient air over those portions.
REFERENCES:
patent: 1388107 (1921-08-01), Ernst
Hix L. T,.
Leith Mitsuko
Tarcza Thomas H.
Wray James C.
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