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:
Dec. 09, 2014
Filed:
Jul. 20, 2012
Applicants:
Mark F. Sommars, Hopewell, IL (US);
Hoisan Kim, Dunlap, IL (US);
Inventors:
Mark F. Sommars, Hopewell, IL (US);
Hoisan Kim, Dunlap, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system for controlling leakage of diesel fuel into the natural gas side of a dual fuel injector during low pressure natural gas conditions comprises a leakage control valve that blocks the diesel fuel line during very low natural gas line pressure conditions, including start-up and limp-home mode conditions.