| 主权项 |
1. Aircraft hubcap structure for attachment to an airplane wheel and tire assembly, said assembly including a wheel having a wheel wall of circular configuration adjacent to and at least partially covering brake assembly structure and a bearing cover centrally disposed on said wheel wall and extending outwardly therefrom, said wheel further having a cylindrical rim affixed to said wheel wall, surrounding said bearing cover and projecting outwardly from said wheel wall, said wheel defining a plurality of bolt holes spaced from one another at or adjacent to said bearing cover and said wheel wall defining wheel apertures in communication with the brake assembly structure, said aircraft hubcap structure including, in combination:
a dome-shaped hubcap having a circular-shaped periphery and a diameter substantially corresponding to the diameter of said wheel, said dome-shaped hubcap defining a plurality of spaced hubcap holes for allowing the passage of air through said dome-shaped hubcap holes and between said hubcap holes and said wheel apertures; a double-ended bushing secured to the dome-shaped hubcap defining a bushing interior and an opening at an end thereof communicating with said bushing interior receiving said bearing cover; bolts for positioning in the bolt holes defined by said wheel to secure said bushing to said wheel with said bearing cover extending through the opening of said bushing into said bushing interior; and impeller vanes attached to said dome-shaped hubcap adjacent to said hubcap holes for directing ambient air passing through said hubcap holes toward said wheel apertures to promote cooling of said brake assembly structure, said impeller vanes inclined inwardly in the direction of said wheel apertures, said dome-shaped hubcap having a convex, smoothly curved outer surface to promote smooth air flow past the wheel, said dome-shaped hubcap engageable with said cylindrical rim and extending beyond the cylindrical rim but not engaging the tire of said wheel and tire assembly when installed on said cylindrical rim. |
