Apparatus for reducing the exhaust noise of internal combustion

Details Apparatus for reducing the exhaust noise of internal combustion Apparatus for reducing the exhaust noise of internal combustion

1980-11-14

1982-04-20

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181249, 181256, F01N 708, F01N 102, F01N 124

Patent

active

043254586

ABSTRACT:
The noise of an exhaust gas flow of an internal combustion engine or other hermodynamic equipment is reduced by silators which are operatively arranged for deadening or absorbing the exhaust noise. Such silators have vaulted surfaces enclosing an evacuated volume which may include a cooling liquid. The silators have a resonance frequency that depends on the vaulting height and the free span or diameter of the vaulted surface. By properly dimensioning the silators and combining a plurality thereof each having a different resonance frequency, a wide frequency range of exhaust noises may be covered. Preferably the silator impedance is smaller than the air impedance of the environment. The silators are protected against the heat of the exhaust gases.

REFERENCES:
patent: 4104426 (1978-08-01), Gonzales et al.
patent: 4149612 (1979-04-01), Bschorr
patent: 4228869 (1980-10-01), Bschorr

Affiliated with

Also associated with

Rating

Apparatus for reducing the exhaust noise of internal combustion does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for reducing the exhaust noise of internal combustion , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for reducing the exhaust noise of internal combustion will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1259632