Procedure for determining the starting point of fuel injection e

Details Procedure for determining the starting point of fuel injection e Procedure for determining the starting point of fuel injection e

1976-12-21

1978-07-25

Ciarlante, Anthony V.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

324 16T, G01M 1500

Patent

active

041021819

ABSTRACT:
Process for determining the starting point of fuel injection in internal-combustion engines having a fuel-injection nozzle with a housing and a needle valve and a displacement limited by a stroke limiter, comprising the steps of observing and consecutively registering vibrations and/or noise phenomena arising from abutments of the needle in the valve against the stroke limiter, and selecting the leading branch or ascending flank of a first half-wave signal from that vibration, the registering being accomplished with a sensing element placed at least in the vicinity of the nozzle housing. Several additional, optional features are disclosed.

REFERENCES:
patent: 3289077 (1966-11-01), Miller
patent: 3731527 (1973-05-01), Weaver
patent: 3775672 (1973-11-01), Letosky

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