Patent · US Active

Method for operating a vehicle drive train

US10479344B2 · kind B2 · utility

1Cited by

3References

16Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Peter Schiele · Kreßbronn, DE
Johannes Brockmann · Gettorf, DE

Key dates

Filing date	May 18, 2017
Grant date	Nov 19, 2019
Priority date	—
Expiry date	Dec 16, 2037

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2312/14
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A method for operating a vehicle drivetrain (1) having a drive machine (2), an output (3) and a gearbox (4) with the gearbox (4) arranged in power flow between the drive machine (2) and the output (3) includes opening, in the presence of a demand for activation of a sailing operating function of the vehicle drivetrain (1) and a simultaneously activated engine start-stop function, a positively engaging shift element (F) while the drive machine (2) is left both decoupled from the output (3) and shut down.

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