Resonator type silencer

Details Resonator type silencer Resonator type silencer

1995-03-29

1996-07-30

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181273, 181276, F01N 102

Patent

active

055413749

ABSTRACT:
A resonator type silencer used in the air intake duct of an intake system of an internal combustion engine comprises a first case member which includes a generally cup-shaped section. A pipe section is integral with the cup-shaped section and extends through a bottom wall of the cup-shaped section. The pipe section has an inside portion located inside the cup-shaped section. An axially extending slit is formed in the inside portion of the pipe section. First and second flange portions are integral with the pipe section inside portion and located at opposite sides of the slit. The first and second flange portions are integral with the cup-shaped section bottom wall and located parallel with each other. The pipe section inside portion and the flange portions constitute an integral body having a first end face located near an open end of the cup-shaped section. A second case member is similar in structure to the first case member and has an integral body having a second end face located near an open end of the cup-shaped section. The open .end of the first cup-shaped section is securely connected to that of the second cup-shaped section, in which the first end face is located near the second end face. A seal member is secured to and extends along the first end face of the combined body of the first case member. The seal member has a lip section which extends along the length thereof and is in elastic contact with the second end face of the combined body of the second case member.

REFERENCES:
patent: 4874062 (1989-10-01), Yanagida et al.

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