Muffler

Details Muffler Muffler

1995-03-03

1996-03-26

Spyrou, Cassandra C.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181250, 181251, 181266, 181273, 181276, F01N 708, F01N 102, F01N 108

Patent

active

055022839

ABSTRACT:
A muffler including an offshoot path, one end of which is connected to a middle of a ventilation path so as to diverge from the ventilation path, and another end of which is closed. One portion of the offshoot path and another portion thereof are communicated through a communicating portion. Accordingly, sound waves entering the offshoot path are propagated in a direction of a closed portion, and are also propagated via the communicating portion from the one portion to the other portion.

REFERENCES:
patent: 1839462 (1932-01-01), Bourne
patent: 1910672 (1933-05-01), Bourne
patent: 2297046 (1942-09-01), Bourne
patent: 3194341 (1965-07-01), Haag
patent: 3396812 (1968-08-01), Wilcox et al.
patent: 3402785 (1968-09-01), Powers et al.
patent: 3415338 (1968-12-01), McMillan
patent: 3655011 (1972-04-01), Willett
patent: 4800985 (1989-01-01), Hanzawa et al.

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