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:
Jul. 05, 2005
Filed:
Oct. 05, 2001
Applicants:
Rodney Alexander Houston, Woodvale, AU;
Geoffrey Paul Cathcart, Mount Lawley, AU;
Koon Chul Yang, Woodvale, AU;
Inventors:
Rodney Alexander Houston, Woodvale, AU;
Geoffrey Paul Cathcart, Mount Lawley, AU;
Koon Chul Yang, Woodvale, AU;
Assignee:
Orbital Engine Company (Australia) PTY Limited, Balcatta, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B007/00 ;
U.S. Cl.
CPC ...
Abstract
A method of operating a direct injected combustion engine having an exhaust system with a conventional three-way catalytic converter, the method including operating the engine with a stoichiometric air/fuel ratio at least substantially across the entire engine operating load range, such that emissions of NOx from the engine are minimised.