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:
Jun. 19, 2001
Filed:
Jan. 15, 1997
Applicant:
Inventors:
Christopher K. Schlunke, South City Beach, AU;
Mark Lear, Tauranga, NZ;
Assignee:
Orbital Engine Company (Australia) Proprietary Limited, Balcatta, AU;
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/28 ;
U.S. Cl.
CPC ...
F01N 3/28 ;
Abstract
A two stroke cycle engine with an exhaust gas treatment catalyst. Separate reducing and oxidizing catalyst portions and are provided to treat different portions of the exhaust gas exhausted during each exhaust period. The portion of the exhaust gas high in NOx, usually that first exhausted upon initial opening of the exhaust port, is directed to be treated by the reducing catalysts and the remainder of the exhaust gas is directed to be treated by the oxidizing catalyst