Small jet propulsion watercraft

Details Small jet propulsion watercraft Small jet propulsion watercraft

2006-11-28

2006-11-28

Basinger, Sherman (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

C440S08900C

Reexamination Certificate

active

07140935

ABSTRACT:
A small jet propulsion watercraft10is provided with side wall portions14aand14bformed on both the left and right sides of a stepping platform13, within which water lock devices36and37are disposed, respectively. The water lock devices36and37are connected with connecting pipes38aand38blocated below the stepping platform13. An exhaust pipe40is connected to the front end of the water lock device37, with the exhaust pipe40initially extending forward, extending upward and then rearward, and passing above the water lock device37within the side wall portion14b, and with its end further extending downward to a position below the stepping platform13. The water lock devices36and37are connected with small-diameter pipes39aand39bat a portion lower than where the connecting pipes38aand38bare joined to the water lock devices36and37.

REFERENCES:
patent: 5699749 (1997-12-01), Yamada et al.
patent: 5921198 (1999-07-01), Yoshida
patent: 6551155 (2003-04-01), Lecours et al.
patent: 6855022 (2005-02-01), Matsuda et al.
patent: 2004/0194682 (2004-10-01), Matsuda
patent: 2004/0209533 (2004-10-01), Matsuda
patent: 07-5219 (1995-02-01), None

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