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:
Mar. 07, 2017
Filed:
Nov. 26, 2014
Electro-motive Diesel, Inc., LaGrange, IL (US);
Douglas Michael Biagini, Washington, IL (US);
Rajesh Narayanan Nair, Mossville, IL (US);
Electro-Motive Diesel, Inc., La Grange, IL (US);
Abstract
An exhaust system for an engine having a throttle is disclosed. The exhaust system may include an exhaust passage connectable to the engine, a particulate filter disposed in the exhaust passage, a sensor configured to generate a signal indicative of a total pressure differential across the particulate filter caused by soot and ash accumulation, a load actuator configured to selectively adjust a load on the engine, and a control module electronically connected to the load actuator and the sensor. The control module may be configured to determine a compensated pressure differential indicative of an amount of the total pressure differential caused by soot accumulation, a soot load of the particulate filter based on the compensated pressure differential, cause the load actuator to initiate a first engine load increase based on the soot load, track a time elapsed since initiation of the first engine load increase, and cause the load actuator to initiate a subsequent engine load increase when the time elapsed is greater than an elapsed time limit and the soot load is greater than a target soot load.