Muffler

Details Muffler Muffler

1977-08-25

1980-11-25

Ramsey, Kenneth J.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181272, F01N 108

Patent

active

042353041

ABSTRACT:
A muffler comprising: a cylindrical body closed at opposite ends with end members; an exhaust gas in-flow tube penetrating and secured to one of the end members; an exhaust gas out-flow tube penetrating and secured to the other end member; and at least one perforated partition wall member for supporting both the tubes and dividing the interior of the body; the exhaust gas in-flow tube at least having an end portion of an inner diameter smaller than the inner diameter of an exhaust tube connected to the exhaust gas in-flow tube, the end portion being closed with a porous body and communicating with one of the sections of the body interior through the porous body; the exhaust gas out-flow tube being open at opposite ends, one of the ends communicating with the other section; and at least one of the tubes being formed in the peripheral wall with a shunting hole.

REFERENCES:
patent: 2928492 (1954-06-01), Nelson
patent: 3512607 (1970-05-01), Hubbell
patent: 3724591 (1973-04-01), Malkiewicz
patent: 4056934 (1977-11-01), Mizusawa
patent: 4079810 (1978-03-01), Prather et al.
patent: 4122914 (1978-10-01), Suyama

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