Patent · US Active

Electric drive device for a motor vehicle, in particular for an automobile

US11351849B2 · kind B2 · utility

1Cited by

4References

13Claims

0Family size

Assignee

Mercedes-Benz Group AG · DE

Inventors

Tobias Schilder · Ludwigsburg, DE
Philip Gansloser · Bad Ditzenbach, DE
Klaus Riedl · Bingen, DE
Tobias Haerter · Stuttgart, DE

Key dates

Filing date	Oct 31, 2019
Grant date	Jun 7, 2022
Priority date	—
Expiry date	Oct 31, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2200/2094
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An electric drive device has a planetary gear set, which includes has a first sun gear, a first planet carrier and a first ring gear. The drive device also includes a planetary gear set with a second sun gear that is or can be non-rotatably coupled to the first ring gear, a second planet carrier and a second ring gear that is or can be non-rotatably coupled to the first planet carrier. An electric motor has a rotor with an input shaft driveable by the rotor and permanently non-rotatably connected to the first sun gear. The drive device also includes an output shaft, a differential gear, a first switching element, and a second switching element. The planetary gear sets are arranged coaxially to the differential gear and the differential gear has a ball-shaped differential having a differential housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.