Cooling system for outboard motor

Details Cooling system for outboard motor Cooling system for outboard motor

1998-08-06

2000-07-04

Sotelo, Jesus D.

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

B63H 2110

Patent

active

060830646

ABSTRACT:
An outboard motor cooling system wherein the coolant is circulated through the various cooling jackets so that it first flows into proximity with at least a portion of the exhaust system cooling jacket and then into the cooling jackets of the main engine body that cool the cylinder bore and combustion chamber. Sacrificial anodes are positioned both in the main engine body cooling jacket and in the exhaust system cooling jacket. In addition, a temperature sensor is positioned in a low portion of the cooling jacket and where the water has passed through the exhaust cooling jacket and before it enters the main engine body cooling jacket so as to provide accurate temperature indication while protecting the temperature sensor from excess temperature conditions particularly after engine shut off.

REFERENCES:
patent: 5803023 (1998-09-01), Takahashi et al.
patent: 5921829 (1999-07-01), Iwata

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