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:
Jun. 03, 2014
Filed:
Mar. 23, 2011
Naser I. Hineiti, Novi, MI (US);
Dan L. Alden, Howell, MI (US);
Akram R. Zahdeh, Rochester Hills, MI (US);
Brian D. Kaminski, Lake Orion, MI (US);
Naser I. Hineiti, Novi, MI (US);
Dan L. Alden, Howell, MI (US);
Akram R. Zahdeh, Rochester Hills, MI (US);
Brian D. Kaminski, Lake Orion, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A cooling system for an engine assembly includes an engine block that defines a coolant flow passage configured to carry coolant through the engine block. The engine block also defines an oil flow passage configured to carry lubricating oil through the engine block. The oil flow passage at least partially surrounds the coolant flow passage and is sufficiently adjacent to the coolant flow passage so that the lubricating oil flowing in the oil flow passage is cooled by the coolant flowing in the coolant flow passage by heat transfer through the engine block. The engine block may define ridges along the coolant flow passage that increase a surface area of the coolant flow passage to increase heat transfer capability. The engine block may define two such coolant flow passages, a first and a second coolant flow passage, positioned so that the oil flow passage passes between the coolant flow passages.