Marine propulsion pump with two counter rotating impellers

Details Marine propulsion pump with two counter rotating impellers Marine propulsion pump with two counter rotating impellers

1994-10-04

1996-01-02

Sotelo, Jesus D.

Marine propulsion

Jet drive

440 75, B63H 1100

Patent

active

054803306

ABSTRACT:
Disclosed herein is a marine propulsion water pump including a casing defining a water passage including an inlet, an outlet, and an intermediate portion between the inlet and the outlet, a first impeller located in the intermediate portion of the casing, a second impeller located in the intermediate portion of the casing and rearwardly of the first impeller, a first shaft drivingly connected to the first impeller, extending forwardly therefrom, and having a hollow interior, a second shaft drivingly connected to the second impeller, extending in the hollow interior of the first shaft and forwardly therefrom, and gearing for counter-rotating the first and second shafts.

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