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. 26, 2002
Filed:
May. 08, 2001
Applicant:
Inventor:
Brett M. Bailey, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 2/507 ;
U.S. Cl.
CPC ...
F02M 2/507 ;
Abstract
A valve for use in an EGR system for an internal combustion engine has a housing having an exhaust inlet, an EGR outlet, an exhaust outlet and a bleed air inlet. A butterfly plate is pivotally connected to the housing. The butterfly plate has at least a first position and a second position, wherein the first position defines a first fluid path between the exhaust inlet and the EGR outlet and defines a second fluid path between the bleed air inlet and the exhaust outlet, and wherein the second position defines a third fluid path between the exhaust inlet and the exhaust outlet and defines a fourth fluid path between the bleed air inlet and the EGR outlet.