The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2008
Filed:
Apr. 19, 2007
Arata Taguchi, Kanagawa, JP;
Arata Taguchi, Kanagawa, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
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.