Sound attenuating engine cover

Details Sound attenuating engine cover Sound attenuating engine cover

1977-02-17

1978-07-11

Peters, Jr., Joseph F.

Motor vehicles

Power

Hoods

B62D 2510

Patent

active

040995909

ABSTRACT:
An engine cover in an industrial lift truck forming a sound barrier between the engine and operator's station to reduce engine-related noise reaching the operator's station to acceptable levels particularly where the operator's station and engine cover are enclosed by a cab. The engine cover is provided with a double rigid wall construction comprised of an outer shell and an inner liner complementary in configuration to the shell and nested within it. The shell and liner components are mutually supported and spaced a predetermined distance by continuous support means generally along their peripheries and are free of mutual support in their central areas.

REFERENCES:
patent: 2931452 (1960-04-01), Mackie
patent: 3232368 (1966-01-01), Sullivan
patent: 4040501 (1977-08-01), Haswell

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