Marine propulsion device oil cooling arrangement

Internal-combustion engines – Lubricators – Crankcase – pressure control

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Details

123 4133, 165 51, 1841043, F01M 100

Patent

active

046416153

ABSTRACT:
A marine propulsion device comprising a propulsion unit adapted to be mounted on the transom of a boat for pivotal movement relative to the transom about a generally vertical steering axis, and about a generally horizontal tilt axis, the propulsion unit including a rotatably mounted propeller, an engine drivingly connected to the propeller, and a wall at least partially defining a cooling water jacket and having therein an opening communicating with the water jacket, and a fluid cooler extending through the opening and including a portion extending internally of the water jacket and having therein a fluid passage adapted to communicate with a source of fluid to be cooled in the fluid cooler.

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patent: 3380443 (1968-04-01), Tado et al.
patent: 3493081 (1970-02-01), Tado
patent: 3990424 (1976-11-01), Miersch et al.
patent: 4167969 (1979-09-01), Ritzenthaler
patent: 4442819 (1984-04-01), Veach

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