Fluid sprinkling – spraying – and diffusing – Unitary injection nozzle and pump or accumulator plunger
Reexamination Certificate
2011-05-17
2011-05-17
Nguyen, Dinh Q (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Unitary injection nozzle and pump or accumulator plunger
C239S533200, C239SDIG019, C123S188300, C251S368000
Reexamination Certificate
active
07942343
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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Campion Robert M.
Dam Chuong Q.
Hall Kenneth W.
Rodier William J.
Caterpillar Inc.
Finnegan Henderson Farabow Garrett & Dunner LLP
Hogan James S
Myers Carl E.
Nguyen Dinh Q
LandOfFree
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