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. 16, 2004
Filed:
Nov. 22, 2002
Applicant:
Inventor:
DeForest C. Gould, Washington, IL (US);
Assignee:
Caterpillar Inc, Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 ;
U.S. Cl.
CPC ...
F01N 3/00 ;
Abstract
An engine includes a cylinder block having at least one cylinder bore, a cylinder head connected to the cylinder block, and an intake manifold connected to the cylinder head. The cylinder head includes an intake port located upstream of a cylinder bore of the at least one cylinder bore, the intake port providing a passageway between the intake manifold and a cylinder bore of the at least one cylinder bore. An intake port sleeve is located at least partially within the intake port.