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. 09, 2007
Filed:
Jan. 20, 2006
Weidong Gong, Dunlap, IL (US);
Scott Fiveland, East Norwich, NY (US);
Brett Bailey, Peoria, IL (US);
Weidong Gong, Dunlap, IL (US);
Scott Fiveland, East Norwich, NY (US);
Brett Bailey, Peoria, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A multiple spark pattern internal combustion initiation device includes a body defining a prechamber and a plurality of orifices from the prechamber. The device includes at least two electrical circuits which each form a spark gap with an electrical ground inside the prechamber, operable to create a plurality of different spark patterns. The device may be part of an internal combustion engine which includes a housing with a combustion chamber connected to the prechamber, and means for supplying a lean gaseous fuel mixture into the combustion chamber.