Patent · US Active

Plasma torch electrode materials and related systems and methods

US9516738B2 · kind B2 · utility

1Cited by

4References

33Claims

0Family size

Assignee

Hypertherm, Inc. · US

Inventors

Markus Wittmann · Bruckberg, DE
John Peters · Canaan, US
E. Michael Shipulski · Etna, US

Key dates

Filing date	Sep 29, 2014
Grant date	Dec 6, 2016
Priority date	—
Expiry date	Feb 15, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49208
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

In some aspects, multi-metallic emissive inserts shaped to be disposed within an electrode for a plasma arc torch electrode can include an exposed emitter surface at a distal end of the emissive insert to emit a plasma arc from the electrode, wherein the emissive insert comprises a first emissive material and about 8 weight percent to about 50 weight percent yttrium.

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