Variable area pump discharge system

Marine propulsion – Jet drive – Having means to increase fluid drive means efficiency

Reexamination Certificate

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Details

C440S038000

Reexamination Certificate

active

11103318

ABSTRACT:
A highly efficient watercraft propulsion system that operates continually submerged and relies on a non-circular variable area pump discharge opening which is configured, positioned and oriented so as to maximize the hydraulic reaction between the high velocity water jet stream and the surrounding body of water and is driven by a positive displacement pump.

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