Seal construction for a pump of a small watercraft

Details Seal construction for a pump of a small watercraft Seal construction for a pump of a small watercraft

B - Operations, Transporting

63

H

B63H 11/08 (2006.01) F04D 29/08 (2006.01)

Patent

CA 2087203

A seal construction for a pump of a small watercraft of the water jet propulsion type, the watercraft including a hull and a pump casing. A pumping passage for water jet propulsion is formed by the pump casing and a portion of the hull. The seal construction includes a flange formed on the pump casing, the flange having walls, and an elastic seal member liquid-tightly surrounding the periphery of the flange. The seal member has an outer periphery in liquid-tight contact with the inner surface of the hull portion where the pump is mounted. The flange and the seal member have parts for immovably engaging with each other.

Construction d'étanchéité de pompe pour petite embarcation à propulsion par jet d'eau, l'embarcation comprenant une coque et un carter de pompe. Un passage de refoulement du jet d'eau est formé par le carter de la pompe et une partie de la coque. L'étanchéité comprend une bride formée sur le carter de la pompe, la bride ayant des parois et un élément d'étanchéité élastique posé de manière étanche aux liquides autour de la périphérie de la bride. L'élément d'étanchéité comprend une périphérie extérieure en contact étanche aux liquides avec la surface intérieure de la coque où la pompe est montée. La bride et l'élément d'étanchéité comportent des pièces permettant à l'une et à l'autre d'être assemblées sans pouvoir se déplacer.

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