Marine propulsion – Means for accomodating or moving engine fluids – Cooling for engine
Patent
1990-08-27
1991-10-29
Basinger, Sherman
Marine propulsion
Means for accomodating or moving engine fluids
Cooling for engine
440900, B63H 2126
Patent
active
050612140
ABSTRACT:
A small tubular water discharge diverter has an externally threaded portion at one end for connection to the cooling water discharge port of an outboard engine and is bent along its length to conform generally to the profile of the underside and side wall of the engine exterior. The outer portion of the water discharge diverter is bent upwardly and slightly outward relative to the engine side wall. The engine water pump draws water into the circulation system of the engine from the body of water in which engine is operating where it is circulated through the engine to cool the engine. A portion of the cooling water is discharged through the water discharge diverter and ejected upwardly and outwardly toward the rear in a "rooster tail" which is visible over the top of the engine whereby the discharge water can be easily and conveniently observed by the pilot of the boat from the bow or steering station. The "rooster tale" gives the pilot a visible indication of whether or not the cooling water for the engine is circulating properly, or if the water pump has failed or has become clogged. If the rooster tail begins to change to a brown or darker than normal color, it will indicate that the water pump is drawing in muddy water, silt, or sand, and that the engine is in shallow water or over a sand bar.
REFERENCES:
patent: 3020568 (1962-02-01), Tierney
patent: 3025539 (1962-03-01), Kincaid
patent: 3933114 (1976-01-01), Horn
patent: 4699596 (1987-10-01), Klinkler et al.
Avila Stephen P.
Basinger Sherman
Roddy Kenneth A.
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