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:
Feb. 09, 2010
Filed:
Apr. 23, 2007
Applicants:
John M. Mulloy, Columbus, IN (US);
John F. Parker, Huddersfield, GB;
Sam Pringle, Columbus, IN (US);
Inventors:
John M. Mulloy, Columbus, IN (US);
John F. Parker, Huddersfield, GB;
Sam Pringle, Columbus, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Primary Examiner:
Int. Cl.
CPC ...
F02D 23/00 (2006.01); F01B 25/02 (2006.01); F01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for controlling a variable geometry turbine of a turbocharger to increase the temperature of the exhaust gas delivered to an after-treatment system. In one form the method includes reducing a fluid flow area to the turbine below a normal size and bypassing a portion of the exhaust gas around a plurality of guide vanes.