Method and system for testing a fuel injector

Details Method and system for testing a fuel injector Method and system for testing a fuel injector

2011-02-01

2011-02-01

McCall, Eric S (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Fuel system or part thereof

C073S114510

Reexamination Certificate

active

07878050

ABSTRACT:
Disclosed is both an apparatus and method for quantifying an injection event of a fuel injector, including both multiple pulse and single pulse injection events. Typically, the fuel injector is a common rail injector. The apparatus includes a pressure chamber for isolating a portion of the injection pressure for reducing pressure waves and reflections which can create “noise” in the detection of an injection pressure. The invention further includes determining the precise start and end times of injection using cavitation created by the injection event.

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patent: 2009/0007695 (2009-01-01), Araki et al.
patent: 2009/0114035 (2009-05-01), Lehnert

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