Coatings for use in fuel injector components

Fluid sprinkling – spraying – and diffusing – Unitary injection nozzle and pump or accumulator plunger

Reexamination Certificate

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Details

C239S533200

Reexamination Certificate

active

07484672

ABSTRACT:
A coating for fuel injector components adapted for use with low lubricity fuels is disclosed. The invention consists of a metal carbon material coating or a metal nitride coating to the fuel pump plunger or other fuel injection system components. The invention utilizes a coating on the fuel injector plunger that minimizes scuffing or seizure associated with the plunger and barrel.

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U.S. Appl. No. 10/778,053, filed on Feb. 17, 2004.
Manufacturing Engineering and Technology, 3rd Ed., 1995, pp. 79-80, Addison-Wesley Publishing Company.

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