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. 12, 2024
Filed:
Sep. 20, 2023
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
J. Michael Gwidt, Brighton, MI (US);
Matthew Pruski, Brighton, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/02 (2006.01); F01N 3/023 (2006.01); F02P 5/15 (2006.01); F16H 61/14 (2006.01);
U.S. Cl.
CPC ...
F02D 41/029 (2013.01); F01N 3/023 (2013.01); F02P 5/1504 (2013.01); F02D 2200/0802 (2013.01); F02D 2200/502 (2013.01); F16H 61/143 (2013.01); F16H 2061/145 (2013.01);
Abstract
A system comprises an engine, a torque converter connected to the engine, a transmission connected to the torque converter via an input shaft, a particulate filter connected to the engine, an engine control module connected to the engine, the transmission, and the particulate filter, the engine control module being configured to perform service regeneration operations to lock the input shaft to the transmission and elevate the engine speed to retard the spark in the engine and increase the temperature in the particulate filter.