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. 26, 2019
Filed:
Dec. 05, 2016
Dana Heavy Vehicle Systems Group, Llc, Maumee, OH (US);
Raymond J. Haka, Brighton, MI (US);
Krishna Kumar, Holland, OH (US);
Steven J. Wesolowski, Waterville, OH (US);
James F. Ziech, Kalamazoo, MI (US);
Dana Heavy Vehicle Systems Group, LLC, Maumee, OH (US);
Abstract
A hybrid drivetrain () is provided. The hybrid drivetrain comprises a power source (), a first motor generator assembly (), and an electric axle drive unit (). The first motor generator assembly includes a primary clutch () for drivingly engaging the power source with a first motor-generator (). The electric axle drive unit comprises at least a second motor generator () drivingly engaged with the first motor generator and a pair of wheel assemblies (). The power source, the first motor generator assembly, and the electric axle drive unit facilitate operating the hybrid drivetrain as a series-parallel hybrid drivetrain in a plurality of operating modes. The hybrid drivetrain meets the exacting needs of commercial vehicles while providing fuel efficiency improvements for vehicles incorporating the hybrid drivetrain.