Marine propulsion – Means for accomodating or moving engine fluids – Cooling for engine
Patent
1993-07-26
1994-08-23
Sotelo, Jesus D.
Marine propulsion
Means for accomodating or moving engine fluids
Cooling for engine
B63H 512
Patent
active
053403452
ABSTRACT:
An apparatus for cooling a stern mounted drive on a boat, comprising a water pickup for gathering water from the body of water in which the boat is operating, and a spray nozzle that directs a stream of cooling water towards the outer surface of the housing containing the drive assembly gears and shafts. The drive assembly of a typical stern drive for a boat is the linkage that transmits the power generated by the engine to the propeller. To remove the excess frictional heat generated within the drive assembly under high horsepower operation. The drive assembly cooling apparatus collects water through a water intake opening when the boat is moving forward through the water. A lip formed adjacent the intake opening assists in directing the water into the opening, and forcing the water up to and through the spray nozzle. The cooling water is discharged through an opening in the spray nozzle, and is directed towards the rear surface of the drive assembly housing. Additionally, a spray direction plate may be mounted on the drive assembly housing to assist in the distribution of the cooling water over the outer surface of the drive assembly housing.
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Brodbeck John W.
Brunsting William J.
K & B Mfg, Inc.
Sotelo Jesus D.
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