Vehicle drain hole structure

Details Vehicle drain hole structure Vehicle drain hole structure

2011-05-10

2011-05-10

Warden, Jill (Department: 1773)

Motor vehicles

Power

With means to guide and/or control air for power plant cooling

C180S335000, C422S292000, C422S300000, C123S702000, C123S439000, C123S02500R, C123S337000, C137S171000, C137S183000, C137S182000, C138S037000, C138S040000, C138S044000, C062S324600, C062S511000

Reexamination Certificate

active

07938213

ABSTRACT:
A vehicle drain hole structure includes an enclosure (e.g., an air intake tube, an intake enclosure, a resonator, a cleaner, etc.) defined by at least one wall. The at least one wall has an inner surface and an outer surface. A drain hole is defined in the at least one wall for providing drainage from the enclosure. The drain hole extends from a first end defined in the inner surface to a second end defined in the outer surface. The first end of the drain hole at the inner surface has a larger cross-sectional area than the second end of the drain hole at the exterior surface to reduce the likelihood of a liquid film forming across the drain hole.

REFERENCES:
patent: 4424989 (1984-01-01), Spencer et al.
patent: 5060686 (1991-10-01), Troy
patent: 5529244 (1996-06-01), Horvath et al.
patent: 6539977 (2003-04-01), Hutchinson et al.
patent: 2007/0221161 (2007-09-01), Khouw et al.

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