Combined noise suppressing and air flow guide enclosure for engi

Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters

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Details

123 417, 181204, 180 54A, F02B 7700, F01P 102

Patent

active

040710092

ABSTRACT:
An internal combustion engine has an enclosure mounted therearound comprising an outer enclosure having a horizontally disposed hood positioned over a top of the engine and a pair of vertically disposed sidewalls positioned on either side thereof. An inner enclosure, disposed within the outer enclosure, comprises a horizontally disposed upper wall which is spaced vertically between the top of the engine and the hood to define first and second airflow passages therewith, the second airflow passage being further defined in part by the sidewalls. The inner enclosure further comprises a vertically disposed forward wall positioned adjacent to the front of the engine. An airflow guide means is secured internally on each of the sidewalls to define a passage therebetween which communicates with the second airflow passage defined about the engine. A first outlet means is defined rearwardly on each of the sidewalls to communicate airflow from the first airflow passage to ambient whereas a second outlet is defined at the bottom of the enclosure and beneath the engine for communicating the second airflow passage to ambient. The hood, sidewalls and upper and forward walls of the inner enclosure each have a layer of sound absorbing material secured thereon.

REFERENCES:
patent: 3112810 (1963-12-01), Nallinger
patent: 3147814 (1964-09-01), Suhre
patent: 3412724 (1968-11-01), Scheiterlein et al.
patent: 3478958 (1969-11-01), Hinck et al.
patent: 3642092 (1972-02-01), Gederbaum
patent: 3762489 (1973-10-01), Proksch et al.
patent: 3774710 (1973-11-01), Gustavsson
patent: 3788418 (1974-01-01), Clancy et al.
patent: 3882951 (1975-05-01), Conley
patent: 3897850 (1975-08-01), Thompson et al.
patent: 3923114 (1975-12-01), Suzuki

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