Breather structure for outboard motor

Details Breather structure for outboard motor Breather structure for outboard motor

1994-03-01

1996-05-07

Swinehart, Edwin L.

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

440900, B63H 2014

Patent

active

055140157

ABSTRACT:
Several embodiments of lubricating and breather systems for outboard motors that provide effective oil separation and which permits the blow-by gases to flow in a direction the same as the lubricant return to the lubricant tank so as to avoid flow restriction. The blow-by gases are then discharged to the atmosphere through a conduit that is separate from any of the lubricant return conduits. Oil separating arrangements are disclosed as are various positions for the oil separator including in the cam chamber of the engine or in the lubricant tank.

REFERENCES:
patent: 4493295 (1985-01-01), Ampferer
patent: 4517951 (1985-05-01), Otaka et al.
patent: 4597372 (1986-07-01), Furukawa
patent: 5163394 (1992-11-01), Koishikawa et al.

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