Patent · US Active

Indexing gear train for on-load tap changers of step transformers

US8869641B2 · kind B2 · utility

0Cited by

8References

6Claims

0Family size

Assignee

MASCHINENFABRIK REINHAUSEN GMBH · DE

Inventors

Klaus Hoepfl · Maxhütte-Haidhof, DE
Gregor Wilhelm · Regensburg, DE

Key dates

Filing date	Feb 23, 2011
Grant date	Oct 28, 2014
Priority date	—
Expiry date	Mar 3, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/1503
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An indexing transmission for an on-load tap changer or a tap selector of a tapped transformer has a rotatable cam disk having an outer edge formed with a succession of convex and concave cam formations in regular succession and merging with one another, a crank transmission driving the cam disk, and a drive output disk acted on by the cam disk and having an outer edge. Engagement rollers rotatable on an end face of the drive output disk near the outer edge of the drive output disk roll on the outer edge of the cam disk. A switch shaft is rotationally fixed to the drive output disk such that the cam disk in cooperation with the engagement rollers of the drive output disk triggers a stepped rotation of the switch shaft through a defined step angle.

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