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:
Mar. 14, 2006
Filed:
Mar. 04, 2005
Applicants:
Charles E. Roberts, Jr., Helotes, TX (US);
Ryan C. Roecker, San Antonio, TX (US);
Inventors:
Charles E. Roberts, Jr., Helotes, TX (US);
Ryan C. Roecker, San Antonio, TX (US);
Assignee:
Southwest Research Institute, San Antonio, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 33/44 (2006.01); F02B 37/00 (2006.01); F02B 37/10 (2006.01); F02D 23/00 (2006.01); F02D 23/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Compressor surge on turbocharged Diesel engines when operating in temporary throttled airflow, such as are required for the periodic regeneration of lean NOx traps is prevented by controlled operation of a boost air blow-off valve positioned downstream of the compressor outlet of the turbocharger.