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1. (WO1998049047) WATER SPORT MACHINE

Pub. No.:    WO/1998/049047    International Application No.:    PCT/FR1998/000869
Publication Date: Fri Nov 06 00:59:59 CET 1998 International Filing Date: Thu Apr 30 01:59:59 CEST 1998
IPC: B63B 1/04
B63B 5/24
B63B 7/08
B63B 59/02
B63H 11/08
B63H 25/10
Applicants: BELLENS, Marcel
MAUVIGNER, Franck
Inventors: BELLENS, Marcel
MAUVIGNER, Franck
Title: WATER SPORT MACHINE
Abstract:
The invention concerns a water sport machine consisting of a hull equipped with a pump-jet, the hull is rigid (3) and provided with an inflatable envelope (1). The pump-jet consists of a light duty engine (4) combined with a water sucking propeller (30) located in a suction box (22) opening into the hull bottom, the outlet of the suction box (22) opening into a nozzle (21) with decreasing cross-section and a helical wall.