Patent · US Active

Gear unit and powertrain for a vehicle

US11752849B2 · kind B2 · utility

1Cited by

2References

10Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Michael Wechs · Weißensberg, DE
Fabian Kutter · Kreßbronn, DE
Thomas Martin · Burns Lake, CA
Oliver Schaudt · Cologne, DE

Key dates

Filing date	Aug 2, 2022
Grant date	Sep 12, 2023
Priority date	—
Expiry date	Aug 2, 2042

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/62
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A gear unit for a powertrain and gear unit having a stepped planetary gearset, a first gear shifting element and a second gear shifting element. The stepped planetary gearset has a first sun gear, a first ring gear, a second ring gear, and a plurality of stepped planet gears rotatably mounted at a first planet carrier. The first sun gear is connected to an electric machine. The first planet carrier is fixedly connected to a housing with respect to rotation. The first gear shifting element connects the second ring gear to an output shaft of the gear unit in a closed state, and the second gear shifting element connects the first ring gear to the output shaft of the gear unit in a closed to state, and one of the two gear shifting elements) is in the closed state for driving the output shaft in rotation.

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