Marine propulsion system with a polymer composite oil sump...

Details Marine propulsion system with a polymer composite oil sump... Marine propulsion system with a polymer composite oil sump...

2005-07-05

2005-07-05

Avila, Stephen (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

C440S08800J

Reexamination Certificate

active

06913498

ABSTRACT:
A marine propulsion system is made with an oil sump that is a polymer material that is nonanodic and nonmetallic. As a result, the possibility of a galvanic circuit being created within the structure of a drive shaft housing is significantly reduced or eliminated. The result is the enhanced operation of the marine propulsion system without corrosion and the resulting destruction of the internal components within the drive shaft housing.

REFERENCES:
patent: 4280453 (1981-07-01), List et al.
patent: 5232387 (1993-08-01), Sumigawa
patent: 6575797 (2003-06-01), Martin et al.
patent: 6584950 (2003-07-01), Cunningham
patent: 2002/0112684 (2002-08-01), Jones et al.

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