Patent · US Expired

Electrical steering device for motor vehicles

US7650809B2 · kind B2 · utility

3Cited by

7References

5Claims

0Family size

Assignee

ZF Lenksysteme GmbH · DE

Inventors

Werner Bernhard · Heubach, DE
Friedrich Mayr · Esslingen am Neckar, DE
Michael Jüschke · Spraitbach, DE
Erich Berroth · Birkenlohe, DE
Marc Kohler · Brest, FR

Key dates

Filing date	Oct 30, 2001
Grant date	Jan 26, 2010
Priority date	—
Expiry date	Jul 26, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19907
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An electrical steering system for a motor vehicle, having an electric motor having a worm gear which is made up of a worm and a worm wheel, coupled to an input shaft, having a ring gear, worm wheel forming one of the two coupling parts, that are to be coupled to each other, of an elastic compensation coupling whose other coupling part is connected, rotatably fixed, to the input shaft. The two coupling parts are coupled to each other only by one or by a plurality of elastic spacers.

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