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:
Nov. 24, 2020
Filed:
May. 03, 2018
Applicant:
Progress Rail Locomotive Inc., LaGrange, IL (US);
Inventors:
Gregory R. Kupiec, Lemont, IL (US);
Dennis J. Melas, Chicago, IL (US);
Assignee:
Progress Rail Locomotive Inc., LaGrange, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 15/04 (2006.01); F02D 17/02 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
G01M 15/044 (2013.01); F02D 17/02 (2013.01); F02D 41/0087 (2013.01); G01M 15/046 (2013.01);
Abstract
A method for diagnosing an engine in a vehicle, the method comprising: initiating a diagnostic test of the engine, disabling a cylinder of the engine, measuring a parameter indicative of performance of the engine, re-enabling the cylinder, comparing the parameter to reference data, assessing a status of the cylinder based on the comparison, and generating a diagnostic result based on the status of the disabled cylinder.