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. 04, 2022
Filed:
Feb. 24, 2021
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Joseph L. Kennedy, Zionsville, IN (US);
Dereck G. Heffron, Peoria, IL (US);
Ryan M. Hinrichsen, Groveland, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/22 (2006.01); B60Q 9/00 (2006.01); G07C 5/08 (2006.01);
U.S. Cl.
CPC ...
F02D 41/22 (2013.01); B60Q 9/00 (2013.01); G07C 5/0808 (2013.01); G07C 5/0816 (2013.01); F02D 2041/225 (2013.01); F02D 2200/0602 (2013.01); F02D 2200/101 (2013.01);
Abstract
Fuel leak detection systems and methods are disclosed. A method for detecting a fuel leak for a fuel system of an engine includes detecting a ramp up of the engine. The method includes measuring rail pressure of a fuel rail during the ramp up. The method also includes determining a fuel leak exists in the fuel system based on the measured rail pressure during the ramp up. In accordance with a determination that a fuel leak exists, the method includes outputting an indication of the fuel leak in the fuel system.