F - Mech Eng,Light,Heat,Weapons – 01 – M
Patent
F - Mech Eng,Light,Heat,Weapons
01
M
171/16, 115/3
F01M 3/00 (2006.01) F02B 61/04 (2006.01) F02M 33/04 (2006.01) F02M 37/00 (2006.01) F02B 75/00 (2006.01) F02B 75/02 (2006.01)
Patent
CA 1311969
ABSTRACT OF THE DISCLOSURE Disclosed herein is a marine propulsion device comprising a lower unit including a rotatably mounted propeller and an internal combustion engine operable in a predetermined mode and adapted to be drivingly connected to said propeller, the engine including an engine block, a sump having an outlet and having an unobstructed inlet communicating with said engine block-to provide a free gravity flow path from the engine block into the sump, a controllable valve communicating with the outlet, a fluid conduit communicating with the controllable valve and with a preselected location within the engine block, and a control mechanism responsive to operation of the engine in the predetermined mode for opening the controllable valve when the engine is operating in the predetermined mode.
579175
Hofmann James L.
Holtermann Theodore J.
Outboard Marine Corporation
Smart & Biggar
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