Outboard motor

Details Outboard motor Outboard motor

2007-02-27

2007-02-27

Olson, Lars A. (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

C440S075000

Reexamination Certificate

active

11320537

ABSTRACT:
An outboard motor engine drives an output shaft which drives a propeller shaft. The output shaft has a drive gear that engages driven gears of the propeller shaft within an oil bath for holding a lubricant for soaking the drive and driven gears. The outboard motor has an oil pump, a suction passage, and a return passage. The oil bath communicates with a suction portion of the oil pump through the suction passage, while a discharge portion of the oil pump communicates with the oil bath through a return passage. An opening of the suction passage is exposed to the oil bath and is also positioned below the drive gear.

REFERENCES:
patent: 1446775 (1923-02-01), Wahl
patent: 3647024 (1972-03-01), Wick et al.
patent: 5643025 (1997-07-01), Suzuki
patent: 5766047 (1998-06-01), Alexander et al.
patent: 08-268390 (1996-10-01), None
patent: 2003-003844 (2003-01-01), None

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