Inboard/outboard motor protector with underwater hydrofoil

Details Inboard/outboard motor protector with underwater hydrofoil Inboard/outboard motor protector with underwater hydrofoil

2007-09-18

2007-09-18

Avila, Stephen (Department: 3617)

Marine propulsion

Screw propeller

Propeller guard

Reexamination Certificate

active

11366703

ABSTRACT:
Disclosed is a device that protects inboard/outboard motors (up to 250 horsepower) from damage and simultaneously provides an underwater hydrofoil that both helps prevent inboard/outboard motor damage and is specifically designed to improve the efficiency of an outboard motor and the speed and ride of a boat. In one embodiment, an underwater hydrofoil, skeg enclosure, skeg protector and lower-unit protector are combined into a single unit that protects the skeg, the propeller and the lower unit of an inboard/outboard motor while simultaneously improving the efficiency of an inboard/outboard motor and the speed and riding qualities of a boat using that inboard/outboard motor.

REFERENCES:
patent: 3099240 (1963-07-01), Montague, Jr.
patent: 5178565 (1993-01-01), Jacobson
patent: 5207605 (1993-05-01), Kroeber
patent: 5231950 (1993-08-01), Poulos

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