Patent · US Active

Power supply for resistance welding units

US8178816B2 · kind B2 · utility

1Cited by

3References

23Claims

0Family size

Assignee

Bosch Rexroth Corporation · DE

Inventors

Dieter Stellwag · Erbach, DE
Thomas Klinger · Ingolstadt, DE

Key dates

Filing date	Nov 28, 2005
Grant date	May 15, 2012
Priority date	—
Expiry date	Jun 10, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH02J3/00
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A device for resistance welding includes a welding clamp housing, a welding transformer, a welding clamp, a welding clamp drive for operating the welding clamp and a power supply using alternating supply voltage. The device may be built as small as possible and may be simple to expand. The power supply is implemented by a main converter and by drive and welding converters. The output of the main converter is connected to the inputs of the drive and welding converters. The inputs of the drive and welding converters are connected to one another. These connections are implemented by an a.c. voltage intermediate circuit.

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