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. 15, 2015
Filed:
Nov. 02, 2012
Applicant:
Caterpillar, Inc., Peoria, IL (US);
Inventors:
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 21/00 (2006.01); F02M 21/02 (2006.01); F02M 43/04 (2006.01); F02M 45/08 (2006.01); F02M 63/00 (2006.01); F02D 19/06 (2006.01); F02D 19/10 (2006.01);
U.S. Cl.
CPC ...
F02M 43/04 (2013.01); F02D 19/0689 (2013.01); F02D 19/0694 (2013.01); F02D 19/10 (2013.01); F02M 21/0281 (2013.01); F02M 45/086 (2013.01); F02M 63/0035 (2013.01); F02M 2200/44 (2013.01);
Abstract
A dual fuel injector utilizes first and second control valves to open and close first and second nozzle outlet sets to inject a first fuel and a second fuel, respectively. The first and second control valves have concentric lines of action, and include a self alignment feature with respect to a flat seat. The two fuels may differ in at least one of chemical identity, matter phase and pressure.