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    • 10. 发明授权
    • Protective cover secured by differential pressure
    • 保护盖由差压固定
    • US5997071A
    • 1999-12-07
    • US324927
    • 1994-10-18
    • Samuel G. Mazzarelli
    • Samuel G. Mazzarelli
    • B60J11/00
    • B60J11/00
    • A protective cover for an object being transported in an airstream comprises a flexible cover member adapted to cover the object. The cover has front and rear ends, a top, two sides, and a bottom providing an opening to fit over the object. The cover member also has at least one exhaust aperture intermediate its ends with a venting member disposed over it. The bottom of the cover member is seated around the periphery of the object to reduce the airflow thereinto. The venting member has a base portion secured to the cover member about the aperture, and a body portion extending outwardly therefrom. The body portion has a closed end oriented towards the front end of the cover member and an open end disposed toward the rear end of the cover member. The body portion also provides a passage from the aperture to the open end, whereby negative air pressure is created at the open end by the flow of the airstream over the venting member and air is exhausted from the interior of the cover to cause the cover to seat snugly about the surface of the object about which it is fitted.
    • 用于在气流中运输的物体的保护盖包括适于覆盖物体的柔性盖构件。 盖具有前端和后端,顶部,两侧和底部,提供用于装配在物体上的开口。 盖构件还具有至少一个排气孔,其末端具有设置在其上的排气构件。 盖构件的底部围绕物体的周边设置,以减少其中的气流。 排气构件具有围绕孔的固定到盖构件的基部和从其向外延伸的主体部。 主体部分具有朝向盖构件的前端定向的封闭端和朝向盖构件的后端设置的开口端。 主体部分还提供从孔到开口端的通道,由此气流在通气构件上流动而在开口端产生负空气压力,并且空气从盖的内部排出, 安放在与物体相关的物体的表面上。