Exhaust silencer for an agricultural tractor

Details Exhaust silencer for an agricultural tractor Exhaust silencer for an agricultural tractor

1979-04-27

1980-06-24

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181275, F01N 108

Patent

active

042090768

ABSTRACT:
An exhaust silencer for an agricultural tractor having a diesel engine with a cylinder capacity 2.5 to 4 liters and developing a power of 50 to 75 HP has a cylindrical body of elliptical cross-section which is closed at each end by an end-wall and is subdivided internally into two resonance chambers and two gas expansion chambers by three dished baffle-plates, the third baffle-plate having two tubular ducts. To optimize the acoustic performance specific dimensions of the chambers, of the ducts, of a perforated induction pipe and of an outlet pipe are prescribed.

REFERENCES:
patent: 1998385 (1935-04-01), Powell
patent: 4064962 (1977-12-01), Hunt
patent: 4079810 (1978-03-01), Prather et al.
patent: 4147230 (1979-03-01), Ormond et al.

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