Patent · US Active

Oxidation protection layer for engine pistons made of steel or an iron-based alloy

US12292012B2 · kind B2 · utility

0Cited by

4References

12Claims

0Family size

Assignee

Federal-Mogul Numberg GmbH · DE

Inventors

MARGRIT DANNENFELDT · Nuremberg, DE
Wolfram Cromme · Burgthann, DE
Jurgen Reitenspies · Altdorf bei Nürnberg, DE

Key dates

Filing date	Sep 21, 2022
Grant date	May 6, 2025
Priority date	—
Expiry date	Sep 21, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02F2200/00
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A coating for reducing high-temperature oxidation of a piston for an internal combustion engine is provided. This coating is obtained by means of a composition containing titanate or zirconate, wherein at least one metal pigment is introduced into the coating.

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