Patent · US Expired

Wobble motor

US6441536B2 · kind B2 · utility

3Cited by

8References

20Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Bernhard Fischer · Wien, AT
Andreas Kappel · Höhenkirchen-Siegertsbrunn, DE
Enrico Ulivieri · Birkenfeld, DE
Bernhard Gottlieb · Munich, DE
Randolf Mock · Munich, DE

Key dates

Filing date	Apr 6, 2001
Grant date	Aug 27, 2002
Priority date	—
Expiry date	Apr 6, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH02N2/02
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A wobble motor has at least one shaft guided in a rotatably and axially displaceable fashion, and at least one drive ring which surrounds the shaft and can be tilted with respect to a longitudinal axis of the shaft. The at least one guide ring can be displaced in a frictionally locked fashion and free from rotation.

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