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. 03, 2024
Filed:
Nov. 03, 2022
Fca Us Llc, Auburn Hills, MI (US);
Ronald A Reese, II, Goodrich, MI (US);
FCA US LLC, Auburn Hills, MI (US);
Abstract
Electrified powertrain control techniques include, in response to a detected cold start request for an engine, controlling one or more electric motors to generate drive torque to physically power an engine for a period to increase a temperature within a primary combustion chamber of a cylinder of the engine, and after the period, starting the engine by combusting a primary charge of fuel/air within the primary combustion chamber using a turbulent jet ignition (TJI) system to combust a pre-charge of fuel/air in a respective pre-chamber of the cylinder using a respective first spark plug and expelling heat energy therefrom into the primary combustion chamber of the cylinder, thereby eliminating a need for a respective second park plug of the TJI system that is associated with the cylinder and configured to heat and promote combustion within the primary combustion chamber.