Method for forming/installing intake duct in...

Marine propulsion – Jet drive

Reexamination Certificate

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Reexamination Certificate

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11240023

ABSTRACT:
A waterjet-propelled marine vessel having a hull with a transom and a bottom, a jet pump, and an intake duct, the improvement comprising: (1) the transom and bottom having a common opening for intake duct installation and (2) the intake duct having an intake duct upper part and an intake duct lower part, whereby the intake duct upper part closes the common opening and the intake duct lower part fits into the intake duct upper part to form the intake duct.

REFERENCES:
patent: 3823683 (1974-07-01), Usborne
patent: 3840319 (1974-10-01), Rhoda
patent: 4276035 (1981-06-01), Kobayashi
patent: 5401198 (1995-03-01), Toyohara et al.
patent: 5480330 (1996-01-01), Brown
patent: 5720635 (1998-02-01), Roos

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