Oil temperature moderator for an internal combustion engine

Details Oil temperature moderator for an internal combustion engine Oil temperature moderator for an internal combustion engine

1998-07-31

1999-08-17

Wolfe, Willis R.

Internal-combustion engines

Cooling

With cooling of additional parts or materials

123196AB, 60320, 440 89, F01P 1108

Patent

active

059378018

ABSTRACT:
A cooling system is provided for an outboard motor or other marine propulsion system which causes cooling water to flow in intimate thermal communication with the oil pan of the engine by providing a controlled volume of cooling water at the downstream portion of the water path. As cooling water flows from the outlet of the internal combustion engine, it is caused to pass in thermal communication with the oil pan. Certain embodiments also provide a pressure activated valve which restricts the flow from the outlet of the internal combustion engine to the space near the oil pan. One embodiment of the cooling system also provides a dam within the space adjacent to the outer surface of the oil pan to divide that space into first and second portions. The dam further slows the flow of water as it passes in thermal communication with the oil pan.

REFERENCES:
patent: 4498875 (1985-02-01), Watanabe
patent: 5769038 (1998-06-01), Takahashi et al.

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