B - Operations – Transporting – 63 – H
Patent
B - Operations, Transporting
63
H
B63H 11/08 (2006.01) B63H 11/113 (2006.01) B63H 20/00 (2006.01) F04D 29/18 (2006.01)
Patent
CA 2465136
Rotary vanes (16) having inducer-joined axial-flow vane portions (16a), mixed-flow vane portions (16b) collisionlessly connected to the axial-flow vane portions, and centrifugal vane portions (16c) collisionlessly connected to the mixed-flow vane portions are wound around an outer peripheral surface (15c) of a hub (15) that is continuous in curvature and configured with a moderate slope region (15c1) and a steep slope region (15c2), the axial-flow vane portions (16a) and the mixed-flow vane portions (16b) being wound around the moderate slope region (15c1), and the centrifugal vane portions (16c) being wound around the steep slope region (15c2).
La présente invention concerne un dispositif de propulsion par jet d'eau d'un bateau, lequel dispositif comprend une lame (16) rotative pourvue, articulées par un aubage d'alimentation, de parties (16a) d'aube à flux axial, de parties (16b) d'aube hélico-centrifuges reliées aux parties d'aube à flux axial sans impact, et de parties (16c) d'aube centrifuges reliées aux parties d'aube hélico-centrifuges sans impact venant s'enrouler sur la surface (15c) périphérique externe d'un moyeu (15), lequel présente une zone (15c1) faiblement inclinée, une zone (15c2) hautement inclinée et une courbure continuellement variable, les parties (16a) d'aube à flux axial et les parties (16b) d'aube hélico-centrifuges étant enroulées sur la zone (15c1) faiblement inclinée et les parties (16c) d'aube centrifuges étant enroulées sur la zone (15c2) hautement inclinée.
Gowling Lafleur Henderson Llp
Ishigaki Company Limited
LandOfFree
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