Patent · US Active

Apparatus and method for generating rotary oscillations

US7872380B2 · kind B2 · utility

1Cited by

8References

21Claims

0Family size

Assignee

KRISTL, SEIBT & CO. GESELLSCHAFT M.B.H. · AT

Inventors

Wilfried Rossegger · Graz, AT
Karl Baumgartner · Wedel, DE

Key dates

Filing date	Mar 1, 2007
Grant date	Jan 18, 2011
Priority date	—
Expiry date	Jan 11, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH02K33/00
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An apparatus and method for generating rotary oscillation with two shafts pivotable relative to each other. An end section of a first shaft is accommodated in an end section of a second shaft so as to form an air gap. One of the two shafts has a magnetic field generator of substantially constant field strength, and the other shaft has conductors which generate a magnetic field and to which current has been variably applied to pivot the shafts relative to each other.

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