Patent · US Active

Drive axle of an electric vehicle and powershifting method

US11846343B2 · kind B2 · utility

1Cited by

21References

19Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Johannes Glückler · Friedrichshafen, DE
Stefan Spühler · Friedrichshafen, DE
Stefan Renner · Leonberg, DE
Michael Trübenbach · Friedrichshafen, DE
Kai Bornträger · Tettnang, DE
Johannes Kaltenbach · Friedrichshafen, DE

Key dates

Filing date	Sep 24, 2020
Grant date	Dec 19, 2023
Priority date	—
Expiry date	Sep 24, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2200/2097
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A drive axle of an electric vehicle has first and a second drive wheels (R1, R2) with wheel axles (a1, a2), a first electric machine (EM1) and a second electric machine (EM2) with a common rotation axis (m), a transmission (G3) with a transmission input shaft (EW) and a transmission output shaft (AW), and an axle differential (DI) with a differential input (DIK) and two differential output shafts (3a, 3b). The first electric machine (EM1) is connected to the transmission input shaft (EW) and the transmission output shaft (AW) is connected to the differential input (DIK). The second electric machine (EM2) can be connected as an additional drive when necessary.

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