Patent · US Active

Electromechanical motor, especially a piezoelectric microstepper drive

US8664831B2 · kind B2 · utility

0Cited by

2References

17Claims

0Family size

Assignee

CONTINENTAL AUTOMOTIVE GMBH · DE

Inventors

Heinrich-Jochen Blume · Darmstadt, DE
Bernhard Gottlieb · Munich, DE
Andreas Kappel · Höhenkirchen-Siegertsbrunn, DE
Robert Wolfgang Kissel · Egelsbach, DE
Karl-Heinz Mittenbühler · Griesheim, DE
Tim Schwebel · Birkenfeld, DE
Carsten Wallenhauer · Schwarzheide, DE

Key dates

Filing date	Apr 23, 2008
Grant date	Mar 4, 2014
Priority date	—
Expiry date	Nov 9, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH02N2/105
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A motor which includes two drive elements, especially piezoelectric bending actuators, having effective directions that are perpendicular to each other. These actuators act upon a drive ring to thereby rotate a shaft. Diagonally opposite securing elements are provided on the drive ring and are used to flexibly suspend the drive ring via respective articulated corner elements on respective fixing elements that are diagonally opposite the respective securing elements. The drive according to the invention is compact, having actuators that are non-radially hinged to the drive ring.

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