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:
Oct. 24, 2000
Filed:
Sep. 11, 1998
Applicant:
Inventors:
Thomas R Fenelon, Chillicothe, IL (US);
John M Clarke, Chillicothe, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123 / ;
Abstract
Method for operating a free-piston engine to produce relatively low amounts of undesirable NOx by initiating injection of the atomized fuel mixture into the combustion chamber after closure of exhaust apertures by the combustion chamber piston during the compression stroke thereof to attain a homogeneous fuel-air mixture and relatively lower and more uniform local combustion flame temperature in the combustion chamber.