Wear resistant fuel injector plunger assembly

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

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2395333, 239600, 239DIG79, 251368, 403 28, 403292, 403361, 2988845, F02M 4700

Patent

active

054091659

ABSTRACT:
A highly wear-resistant plunger assembly for a fuel injector, particularly an open nozzle fuel injector, is provided. The wear-resistant plunger assembly of the present invention includes components formed from wear-resistant materials specifically including, but not limited to, ceramics and metals capable of withstanding the high temperatures and frictional forces produced by prolonged motoring and other potentially adverse engine operating conditions. Different portions of the plunger assembly may be formed from different kinds of wear-resistant materials.

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