Patent · US Active

Spark plug housing having a galvanic nickel and zinc-containing protective layer and a silicon-containing sealing layer, spark plug having said housing, and method for producing said housing

US11979003B2 · kind B2 · utility

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19Claims

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Assignee

Robert Bosch GmbH · DE

Inventors

Stefan Nufer · Stuttgart, DE
Tina Hirte · Stuttgart, DE

Key dates

Filing date	Mar 18, 2020
Grant date	May 7, 2024
Priority date	—
Expiry date	Dec 21, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH01T21/02
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The disclosure relates to a housing for a spark plug, having a bore along the longitudinal axis X of the housing, the housing comprises an outer side and an inner side and a galvanically applied nickel and zinc-containing protective layer is arranged on at least one part of the outer side of the housing. A sealing layer, which contains silicon, is arranged on the nickel and zinc-containing protective layer.

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