Patent ID: 7025671

Claim:
A surface mounted device comprising: a hollowed base body being mounted on building or vehicle exterior; a hollowed raised body being supported and secured on said base body with a plurality of hollowed elongated members; a free space being formed between said base body and said raised body; an opening or a plurality of openings being facilitated on, and near the center of, the lower surface of said raised body, and being channeled to the internal space of said base body through the internal spaces of said raised body and elongated members; and means of mounting and securing said base body to building or vehicle exterior; wherein said free space being generally narrower at the center than along the perimeter, forming a first contracting and then expanding airflow path for any approaching wind direction, whereby to create a low pressure or a suction effect at said opening(s) and communicate said suction effect to any space connected to said internal space of said base body.