| 摘要 |
<p>A noise suppression enclosure (10) includes a housing (32) having a generally rectangular configuration and being divided into an engine portion (56) defining an engine compartment (57) and a duct portion (54). The housing (32) includes a plurality of sheet material skins (34) being relatively thin and having an inlet opening (50) and an outlet opening (52) therein. A pair of rectangular inlet ducts (84) are positioned within the housing (32) and interconnects the inlet opening (52) with the engine compartment (57). A pair of rectangular outlet ducts (88) are positioned within the housing (32) external of the inlet ducts (84) relative to the engine (14) and interconnect the outlet opening (52) with the engine compartment (57). The outlet ducts (88) having a length greater than the inlet ducts (84). To further enhance the noise reduction of the enclosure (10) a plurality of dynastic hardware is attached to the housing (32).</p> |
