Patent ID: 6270385
Filing Date: 2001-08-07
Classification: B63H

Abstract:
A pump jet apparatus for a marine engine, comprising:a rotor assembly mounted on a rotatable shaft, said rotor assembly comprising a rotor hub coupled to said rotatable shaft and a plurality of rotor blades, each rotor blade being connected at one end to said rotor hub;a rotor housing surrounding said rotor assembly, having an inlet and an outlet, and comprising a circumferential recess surrounding said rotor blades;a ring-shaped wear liner installed in said circumferential recess and having a multiplicity of holes extending radially therethrough;a stator housing coupled to said rotor housing and having an inlet and an outlet for water flow, said inlet of said stator housing being in flow communication with said outlet of said rotor housing; anda stator hub positioned rearwardly of said rotor hub and inside said stator housing.