Patent · US Active

Method for carbonitriding at least one component in a treatment chamber

US9399811B2 · kind B2 · utility

1Cited by

2References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Jochen Schwarzer · Ludwigsburg, DE
Thomas Waldenmaier · Freiberg am Neckar, DE
Lazlo Hagymasi · Gerlingen, DE

Key dates

Filing date	Jan 3, 2011
Grant date	Jul 26, 2016
Priority date	—
Expiry date	Mar 7, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23C8/34
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a method for carbonitriding at least one component (12) in a treatment chamber (16), in which at least one process gas (28; 30) is introduced into the treatment chamber (16), wherein a hydrogen content (44) is detected in an atmosphere developing in the treatment chamber (16) and is maintained in a desired range (55; 57) at least at intervals by influencing of the amount of the process gas (28; 30) that is fed.

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