Delay meter for diesel engine

摘要

Delay meter for a diesel engine, of the type comprising a needle-lift sensor mounted on an injector 2. According to the invention, it comprises: - an accelerometer 6 whose resonant frequency is sufficiently high to produce a non-distorted signal up to a frequency of 10 kHz; - a bandpass filter 10 from 6.5 to 9 kHz; - and an electronics box 14 for calculating and displaying the self-ignition delay in a digital form. Application to direct or indirect injection diesel engines <IMAGE>