Reverse system for water-jet propulsion personal watercraft

Details Reverse system for water-jet propulsion personal watercraft Reverse system for water-jet propulsion personal watercraft

2006-04-18

2006-04-18

Olson, Lars A. (Department: 3617)

Marine propulsion

Jet drive

Direction control for fluid jet

Reexamination Certificate

active

07029344

ABSTRACT:
A reverse system for a water-jet propulsion personal watercraft is disclosed, including a water jet pump configured to eject water rearward from a steering nozzle thereof to thereby propel the watercraft, the steering nozzle being pivotable rightward and leftward, and a reverse bucket disposed rearward of the water jet pump and configured to be vertically pivotable and to have a substantially bowl-shaped inner wall, the reverse bucket being configured to direct the water ejected from the steering nozzle and colliding with the inner wall substantially forward with the reverse bucket located at the lower position, to propel the watercraft rearward, wherein the reverse bucket includes fins provided on the inner wall of the reverse bucket and configured to protrude inward of the inner wall and to extend in substantially a longitudinal direction of the watercraft.

REFERENCES:
patent: 6267633 (2001-07-01), Suganuma
patent: 6428370 (2002-08-01), Jones
patent: 6652332 (2003-11-01), Westhoff
patent: 09-132196 (1997-05-01), None
patent: 2000-190895 (2000-07-01), None

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