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:
Mar. 25, 2003
Filed:
Feb. 20, 2001
Applicant:
Inventor:
Dennis Langervik, Greensboro, NC (US);
Assignee:
Volvo Trucks North America, Inc., Greensboro, NC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P 1/108 ;
U.S. Cl.
CPC ...
F01P 1/108 ;
Abstract
An oil cooling system is disclosed in the environment of an over the road vehicle having a transmission and an internal combustion engine. A primary liquid to liquid heat exchanger is connected to the engine cooling system and connected to a selected on of, or both, an engine lubricant system and the transmission for cooling circulation of oil. An auxiliary heat exchanger is connected in parallel with the primary heat exchanger for selective additional cooling circulation of the oil.