Cooling device for boat engine

Details Cooling device for boat engine Cooling device for boat engine

1989-06-30

1991-02-12

Kamen, Noah P.

Internal-combustion engines

Cooling

With cooling of additional parts or materials

123 4109, 60321, F01P 716

Patent

active

049915460

ABSTRACT:
A number of embodiments of cooling systems for internal combustion engines powering marine watercraft wherein the engine cooling jacket delivers its coolant to an exhaust manifold cooling jacket adjacent the inlet end of the exhaust manifold and wherein coolant is delivered from the exhaust manifold cooling jacket to a further cooling jacket around the inlet portion of an exhaust elbow. In one embodiment, a closed cooling system is provided for the engine cooling jacket, exhaust manifold cooling jacket and the elbow cooling jacket. In another embodiment, the system discharges coolant back to the body of water in which the watercraft is operating through a further cooling jacket of the exhaust elbow that communicates with its discharge end.

REFERENCES:
patent: 3283498 (1966-11-01), Connell
patent: 3780712 (1973-12-01), Pace
patent: 4565175 (1986-01-01), Kaye
patent: 4621594 (1986-11-01), Kubis
patent: 4711088 (1987-12-01), Berchem et al.

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