Foiled grating for jet watercraft

Details Foiled grating for jet watercraft Foiled grating for jet watercraft

1993-08-05

1994-01-25

Sotelo, Jesus D.

Marine propulsion

Jet drive

Having means to increase fluid drive means efficiency

114221R, B63H 11103

Patent

active

052811778

ABSTRACT:
A foiled grating is provided for use with a jet-powered personal watercraft. The grating is adapted to be secured substantially across the intake opening in the bottom of the craft's hull and includes a foil and at least two substantially parallel bars oriented longitudinally within the intake opening. The foil is supported by the bars and positioned so as to divide a section of the intake channel into upper and lower portions to direct the intake water flow for a more even flow to the craft's jet pump.

REFERENCES:
patent: 3757728 (1973-09-01), Rhoda
patent: 4237812 (1980-12-01), Richardson
patent: 4775341 (1988-10-01), Tyler et al.
patent: 5114368 (1992-05-01), Moyle et al.
Advertisement by Watercross of Texas, "Jet Sports," vol. 11, No. 3 (1992), p. 24, published by Pfanner Communications, Inc., Tustin, California.
Advertisement by Jet Dynamics, "Jet Sports," vol. 11, No. 3 (1992), p. 66.
Advertisement by PJS Japan, "Jetdream," vol. 46 (Aug. 1992), p. 11, published by Jetdream Co., Ltd., Tokyo, Japan.
Advertisement by Sato Engineering, p. 8 of publication described in Document AT.
Article, "Jetdream," vol. 47 (Sep. 1992), pp. 48-49, published by Jetdream Co., Ltd., Tokyo, Japan.

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