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US 2014/0272323 A1Published application
Nitrided component surface repair
AssigneeCaterpillar Inc.
InventorsHuijun Wang, Marion B. Grant
Life of this patent
Estimating the term…
Abstract
A plunger for fuel injection assembly is provided. The plunger includes a nitrided surface. The nitrided surface includes a damaged area. An electroless material is coated on the damaged area.
Claims20
A plunger for a fuel injection assembly, the plunger comprising:
- an outer nitrided surface having at least one damaged area;
- and
- an electroless material coated on the damaged area.
A method for repairing a nitrided surface having a damaged area, the method comprising:
- introducing the nitrided surface into a bath containing electroless material for a predetermined period of time;
- coating the damaged area with the electroless material;
- and
- heat treating the electroless material at a predetermined temperature for a predefined time.
1 more element
A nitrided surface comprising:
- at least one damaged area;
- and
- an electroless material coated on the damaged area of the nitrided surface.
Dependencies are inferred from the claim text.