| 摘要 |
A housing includes a removable cover having a top side and downwardly extending side walls covers a fixed cradle containing an internal combustion engine. The side walls define a plurality of outwardly opening recessed grooves extending from a bottom edge to a plurality of catches. A plurality of stretchable straps are disposed in the recessed grooves with fixed ends attached to the engine cradle and opposite free ends defining tabs that engage the catches to bias the cover to the engine cradle. The cover also defines an air baffle at the top side having a venturi nozzle defined by a convex circumferential surface having a narrowing diameter from top to bottom so that air drawn into engine through the nozzle is essentially non-turbulent. At one end, the cover houses an air filter and has a downwardly extending hold-down to limit movement of the air filter.
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