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. 05, 2001
Filed:
Nov. 08, 1999
Method for in-cylinder catalytic oxidation of hydrocarbons in direct injected spark ignition engines
Applicant:
Inventors:
Rudolf H. Stanglmaier, San Antonio, TX (US);
Charles E. Roberts, San Antonio, TX (US);
Assignee:
Southwest Research Institute, San Antonio, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 5/102 ;
U.S. Cl.
CPC ...
F02B 5/102 ;
Abstract
Hydrocarbon emissions from direct injected spark ignition engines are reduced as a result of post-flame oxidation by a catalytic material deposited on the top of a piston disposed in the engine.