Air intake pipe for an internal combustion engine

Details Air intake pipe for an internal combustion engine Air intake pipe for an internal combustion engine

1978-02-27

1980-04-15

Prunner, Kathleen J.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

55276, 55DIG21, 138115, 138DIG11, F01N 106

Patent

active

041979222

ABSTRACT:
An air intake pipe, for mounting to the air filter of an internal combustion engine has two air flow channels having different lengths. A duct is provided between the air flow channels connecting them over their entire length. The duct is dimensioned to provide both sound attenuation and acoustic wave interference between intake noises in the two channels. Thus, the intake pipe acts as an intake noise silencer.

REFERENCES:
patent: 2056608 (1936-10-01), Jack
patent: 2827124 (1958-03-01), Woodbury
patent: 2886129 (1959-05-01), Streete
patent: 3039254 (1962-06-01), Thornburgh
patent: 3114432 (1963-12-01), Ludlow et al.

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