Patent · US Active

Electromechanical linear actuator

US8878466B2 · kind B2 · utility

2Cited by

5References

9Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Andre Hausberg · Kassel, DE
Carsten Wintjen · An der Gradhöhe, DE
Werner Pfluegen · Vellmar, DE

Key dates

Filing date	Jun 30, 2010
Grant date	Nov 4, 2014
Priority date	—
Expiry date	Sep 17, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/2195
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electro-mechanical linear actuator unit comprising an actuator housing that accommodates at least two electric drives, each of which, when actuated by a control device, sets an associated drive of a respective spindle drive into rotation for adjusting linear movement of the associated spindle drive in order to produce relative linear adjustment of a control rod. The two electric drives are located in the actuator housing in such manner that relative adjustment can be produced by simultaneous actuation of the two electric drives, as the sum of the adjustment movements of the associated spindle drives, or by actuating a single electric drive, as the adjustment movement of the associated spindle drive. A respective brake is provided, in an area of each of the two electric drives, which can be selectively actuated by the control device to then prevent the adjustment movement of the respective associated spindle drive.

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