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. 10, 2009
Filed:
Apr. 09, 2007
Applicants:
Marc Christian Allain, Plymouth, MI (US);
Min Sun, Troy, MI (US);
Inventors:
Marc Christian Allain, Plymouth, MI (US);
Min Sun, Troy, MI (US);
Assignee:
Detroit Diesel Corporation, Detroit, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F02B 33/44 (2006.01); F02D 23/00 (2006.01); F02M 25/07 (2006.01); G01M 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method to estimate real-time exhaust pressure in a compression ignition engine with variable geometry turbocharger and an EGR by adding the turbocharger RPM, the engine RPM, EGR value position and intake manifold pressure to determine a final turbocharger turbine inlet pressure to control NOx emissions.