Intake housing for personal watercraft

Details Intake housing for personal watercraft Intake housing for personal watercraft

1996-09-23

1998-02-03

Avila, Stephen

Marine propulsion

Jet drive

440 42, 440 89, B63H 1100

Patent

active

057137684

ABSTRACT:
A personal watercraft jet propulsion system has a hull design and an intake housing to optimize the structural integrity of the hull, and facilitate efficient installation of the jet propulsion system without sacrificing proper alignment of the components of the jet propulsion system. The watercraft hull includes a recess defined by an inclined bulkhead spanning between two substantially vertical sidewalls. The inclined bulkhead contains an opening between the engine compartment within the hull and the components of the jet propulsion system. The intake housing mounts to the inclined bulkhead to cover the opening. The intake housing has coplanar mounting surfaces surrounding the opening in the bulkhead. Proper alignment of the pump components requires only that the intake housing be mounted properly to the inclined bulkhead. Structural integrity of the hull is maintained because access into the engine compartment for many pump components external of the hull is provided through the intake housing and the opening in the inclined bulkhead, rather than through additional apertures in the hull.

REFERENCES:
patent: 3982497 (1976-09-01), Caron
patent: 4631032 (1986-12-01), Nishida
patent: 4768983 (1988-09-01), Smith
patent: 4813898 (1989-03-01), Nakase et al.
patent: 4984528 (1991-01-01), Kobayashi
patent: 5152704 (1992-10-01), Carlson
patent: 5203728 (1993-04-01), Kobayashi
patent: 5536187 (1996-07-01), Nanami

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