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:
Nov. 22, 2005
Filed:
Oct. 16, 2003
Applicants:
Hatsuo Nagaishi, Yokohama, JP;
Takashi Nakazawa, Kawasaki, JP;
Kazuhiko Abe, Kawasaki, JP;
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D041/04 ; F01M011/00 ;
U.S. Cl.
CPC ...
Abstract
Apparatus for an internal combustion engine includes an estimating or controlling unit to determine an oil-diluting fuel quantity of an engine oil-diluting fuel which is fuel leaking out through a clearance between a piston and a cylinder of the engine and diluting an engine oil. The unit calculates a variation of the engine oil-diluting fuel quantity, and determines the oil-diluting fuel quantity in accordance with the variation.