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:
Aug. 12, 2003
Filed:
Jan. 16, 2002
Gregory A. Marsh, Erie, PA (US);
Brian L. Walter, Erie, PA (US);
Peter L. Valentine, Erie, PA (US);
Mahesh C. Aggarwal, Erie, PA (US);
Robert A. Armbruster, Jr., Erie, PA (US);
Vinh K. Do, Erie, PA (US);
General Electric Company, Schenectady, NY (US);
Abstract
A cooling apparatus ( ) and method for a turbocharged internal combustion engine ( ). The combustion air ( ) exiting a turbocharger ( ) is passed over an air-to-water intercooler ( ) then over an air-to-air intercooler ( ) for heat exchange with liquid coolant and with ambient air ( ) respectively. During periods of low ambient air temperature, the combustion air may be directed through a bypass duct ( ) around the air-to-air intercooler, and further, may be heated by the coolant in the air-to-water intercooler. A multi-speed fan ( ) and/or shutters ( ) may be used to control the flow of ambient air across the air-to-air intercooler. A cooling duct ( ) provides a flow of ambient air to the fan motor ( ) during periods of operation when the flow of ambient air over the air-to-air heat exchanger is restricted by the shutters. Coolant exiting a subcooler ( ) has the lowest temperature in the system and is directed to a lube oil cooler ( ) for engine lubricant cooling.