Patent · US Active

Piezo motor driven device

US11038441B2 · kind B2 · utility

0Cited by

4References

9Claims

0Family size

Assignee

STRATEC Biomedical AG · DE

Inventors

Tibor Horvarth · Neuenbürg, DE
Jens Großmann · Neuenbürg, DE

Key dates

Filing date	Mar 6, 2018
Grant date	Jun 15, 2021
Priority date	—
Expiry date	Jun 15, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH02N2/06
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A piezoelectric motor with form-locked drive mechanism avoiding step losses and undefined step sizes caused by environmental conditions such as temperature, surface quality and air humidity by engaging actuator teeth interacting with the toothed structure of a driven rack.

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