Electrical transmission or interconnection systems – Anti-electrolysis
Patent
1992-02-10
1994-03-29
Pellinen, A. D.
Electrical transmission or interconnection systems
Anti-electrolysis
440 89, 204196, H01B 728
Patent
active
052987949
ABSTRACT:
This invention primarily relates to an electrical anticorrosion device for a marine propulsion arrangement. More particularly, the invention relates to a cathodic protection arrangement which is suitable for use with an inboard/outboard propulsion unit. According to the invention, an anode and a reference electrode are housed within a housing unit which is mounted upon a propulsion unit mounting bracket. The two electrodes are arranged so that each is essentially equidistant from a point located approximately midway across the lateral width of an outboard drive unit, which unit is secured to the mounting bracket, when the unit is positioned for driving the associated watercraft in a generally forward direction. The electrode housing further serves as a low speed/idle exhaust gas device which breaks up exhaust gas bubbles which otherwise might cause loud and objectionable noise. Thus, the invention allows for the effective prevention of cathodic corrosion by insuring that a proper current is supplied to a sacrificial anode and, additionally, allows for improved silencing for the low speed/idling exhaust gases of an inboard/outboard drive unit.
REFERENCES:
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patent: 4957461 (1990-09-01), Nakayama
Fleming F. M.
Pellinen A. D.
Sanshin Kogyo Kabushiki Kaisha
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