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:
Jan. 13, 2009
Filed:
Oct. 11, 2005
Terry G. Wood, Countryside, IL (US);
Terry G. Wood, Countryside, IL (US);
International Engine Intellectual Property Company, LLC, Warrenville, IL (US);
Abstract
A turbocharger () for an internal combustion engine () includes a center housing () connected to a turbine housing () and a compressor housing (). A shaft () is in a bore () of the center housing (). An oil supply passage () is in fluid communication with the bore (). An oil drain passage () is in fluid communication with a oil cavity () and the bore (). A vent passage () is in fluid communication with the oil cavity () and an internal volume () of the internal combustion engine (). Oil flow passes through the first passage () and the drain passage () during operation of the internal combustion engine (). A first pressure of air (P) in the oil cavity () is about equal to a second pressure of air (P) in the internal volume () of the internal combustion engine ().