Jet-propulsion watercraft

Details Jet-propulsion watercraft Jet-propulsion watercraft

2005-04-19

2005-04-19

Olson, Lars A. (Department: 3617)

Marine propulsion

Jet drive

Auxiliary use of propulsive fluid

C440S08800J

Reexamination Certificate

active

06881109

ABSTRACT:
Disclosed is a jet-propulsion watercraft having a simple structure for drawing water as cooling water, the inside of which may be cleaned easily. The watercraft typically comprises an engine, a water jet pump driven by the engine, a two-part pump casing, at least one water drawing passage provided so as to communicate with an inside of the water jet pump in a portion where the two parts of the pump casing are connected to each other, and a component cooled by cooling water taken through the water drawing passage.

REFERENCES:
patent: 5366397 (1994-11-01), Suganuma et al.
patent: 5472359 (1995-12-01), Allbright et al.
patent: 5713769 (1998-02-01), Jones
patent: 6036556 (2000-03-01), Baker et al.
patent: 6171158 (2001-01-01), Henmi et al.
patent: 6659816 (2003-12-01), Fuse
patent: 10-119883 (1998-05-01), None

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