Duct structure for watercraft

Details Duct structure for watercraft Duct structure for watercraft

2007-04-17

2007-04-17

Olson, Lars A. (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

Reexamination Certificate

active

10972586

ABSTRACT:
A duct structure for a watercraft includes a flexible tube for providing an air intake for the watercraft and a flexible member for being disposed on an inner perimeter of a hole in a hull of the watercraft for holding the flexible tube. A convex portion of the flexible tube engages at least one concave portion of the flexible member around substantially the entire circumference of the flexible member, allowing for easy insertion and removal of the flexible tube from the flexible member.

REFERENCES:
patent: 3243206 (1966-03-01), Samer
patent: 4302035 (1981-11-01), Ochwat
patent: 4426095 (1984-01-01), Buttner
patent: 5029879 (1991-07-01), Strang et al.
patent: 5954345 (1999-09-01), Svoboda et al.
patent: 6139381 (2000-10-01), Suzuki et al.
patent: 6471558 (2002-10-01), Nakatsuji et al.

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