Electric drivetrain for a tandem drive axle
US10857881B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 15, 2017 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Nov 15, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Y2200/91
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Provided herein is an electric tandem axle having a first drive axle assembly having a first differential assembly drivingly engaged with a first drive axle; a second axle drive assembly having a second drive axle drivingly engaged with a second differential assembly having a first axle output shaft and a second axle output shaft and an axle disconnect clutch; an inter-axle assembly is drivingly connected to the first axle drive assembly and the second axle drive assembly; a motor-generator in driving engagement with the first and second drive axle assemblies; a planetary drive unit including a selection clutch in driving engagement with the first differential assembly, the inter-axle assembly and the motor-generator; and a controller connected to the motor-generator, selection clutch and axle disconnect clutch. The controller is configured to selectively engage and disengage the selection clutch and axle disconnect clutch to facilitate different modes of operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.