Exhaust muffler

Details Exhaust muffler Exhaust muffler

1988-06-29

1989-11-14

Fuller, B. R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181227, 181246, 181249, 181252, 181256, 181282, F01N 110, F01N 702, F01N 714, F01N 718

Patent

active

048800783

ABSTRACT:
An exhaust muffler for use with an internal combustion engine has at least one internal suppression chamber, at least one inlet pipe for receiving exhaust gases from the internal combustion engine, and at least one outlet pipe vented to atmosphere. The exhaust muffler comprises a plurailty of component units connected in series with each other and each having the internal suppression chamber. Each of the component units has a casing having an inner layer of a sound-absorbing material which defines the internal suppression chamber, and a connector pipe connected to and extending through the casing, the connector pipe having upstream and downstream ends projecting out of the casing, the connector pipe having at least one opening which opens into the internal suppression chamber. At least one of the component units is constructed to meet: ##EQU1## where V is the volume of the internal suppression chamber, l and S are the effective pipe length of and cross-sectional area of a flow passage in the main exhaust pipe extending from the internal suppression chamber of the at least one of the component units to one of the internal suppression chamber of the next component unit and the end vented to atmosphere, and C is the speed of sound.

REFERENCES:
patent: 2065232 (1936-12-01), MacKenzie et al.
patent: 2233804 (1941-03-01), Bourne
patent: 4213414 (1980-07-01), Sato et al.
patent: 4589516 (1986-05-01), Inoue et al.

Affiliated with

Also associated with

Rating

Exhaust muffler does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Exhaust muffler, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exhaust muffler will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1847955