Oil return device

Details Oil return device Oil return device

2008-05-20

2008-05-20

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Frame construction

Horizontal cylinder

C123S1960CP

Reexamination Certificate

active

11788097

ABSTRACT:
An engine oil return device for an engine having a cylinder head and a cylinder block is disclosed. The oil return device comprises an oil pan and an oil return path. The oil return path includes at least one oil return main path and at least one oil return extension path. The oil return main path is disposed at a first side surface of the cylinder block. The oil return extension path includes an upstream end and a downstream end. The upstream end is connected to the oil return main path. The downstream end is positioned at a distance from the first side surface such that the oil return extension path extends in a direction of the second side surface of the cylinder block. At least a portion of the oil return extension path is defined by a portion of the oil pan.

REFERENCES:
patent: 2440815 (1948-05-01), Wharam et al.
patent: 4630580 (1986-12-01), Sawaki et al.
patent: 5852992 (1998-12-01), Boggs et al.
patent: 09049414 (1997-02-01), None
patent: 2006283728 (2006-10-01), None

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