Muffler for pile driving apparatus

Details Muffler for pile driving apparatus Muffler for pile driving apparatus

1974-10-16

1976-09-21

Gonzales, John

Acoustics

Auditorium

173DIG2, 181 42, 181 53, 181 60, 181 36A, F01N 110, F01N 124

Patent

active

039813789

ABSTRACT:
A muffler system for attenuating exhaust noise from pile driving apparatus including an exhaust passage therein having perforated straight sections and unperforated curved sections. The exhaust passage is surrounded with acoustical absorbing material and screen means is interposed between the exhaust passage and the absorbing material. The muffler system can be adapted for modular construction whereby modular muffler section can be stacked and connected in series to provide a muffler passage of desired length to fit within a confined width.

REFERENCES:
patent: 1811762 (1931-06-01), Schnell
patent: 1953543 (1934-04-01), Rensink
patent: 1988048 (1935-01-01), Peik
patent: 2583366 (1952-01-01), Engels
patent: 2834425 (1958-05-01), Rawson
patent: 3590947 (1971-07-01), Latch et al.
patent: 3842940 (1974-10-01), Bonikowski
patent: 3851727 (1974-12-01), Getz et al.

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