Patent · US Expired

Apparatus for the controlled voltage supply of D.C. drives

US4245295A · kind A · utility

3Cited by

5References

1Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Georg Götz · Taufkirchen, DE
Hans-Rochus Gross · Bensberg, DE

Key dates

Filing date	Sep 22, 1978
Grant date	Jan 13, 1981
Priority date	—
Expiry date	Sep 22, 1998

Classification

Technology area (CPC H)Electricity
CPC primaryH02P5/68
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Several static frequency changers and control units for controlling the voltage supply of D.C. motors are combined in one equipment, functions common to all frequency changers being contained in a central unit.

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