EP 0055563 A1 19820707 - Improvements in or relating to methods of and apparatuses for determining opening of injectors.
Title (en)
Improvements in or relating to methods of and apparatuses for determining opening of injectors.
Title (de)
Verfahren und Einrichtung zur Bestimmung der Öffnung von Einspritzdüsen.
Title (fr)
Procédé et appareil pour déterminer l'ouverture d'injecteurs.
Publication
Application
Priority
- GB 8040969 A 19801222
- GB 8130970 A 19811014
Abstract (en)
In order to determine the opening of a fuel injector of, for instance, a compression ignition engine, an electro-acoustic transducer such as a contact microphone monitors the acoustic waves produced by the injector. A monitoring circuit detects when the level of the output signals of the transducer increases, this increase being indicative of opening of the injector. By comparing the opening time of the injector with the position of the crankshaft, the timing of the engine can be checked without requiring dismantling.
IPC 1-7
IPC 8 full level
F02M 65/00 (2006.01); F02B 1/04 (2006.01); F02B 3/06 (2006.01)
CPC (source: EP)
F02M 65/00 (2013.01); F02M 65/005 (2013.01); F02B 1/04 (2013.01); F02B 3/06 (2013.01)
Citation (search report)
- US 4109517 A 19780829 - DYBALLA MANFRED, et al
- GB 1555018 A 19791107 - AUTOIPARI KUTATO INTEZET
- US 4102181 A 19780725 - CSER GYULA, et al
- DE 2639133 A1 19780309 - BRUECKL SIEGFRIED
- DE 2658253 A1 19770707 - AUTOIPARI KUTATO INTEZET
- DE 2537219 A1 19770303 - DAIMLER BENZ AG
- US 3580092 A 19710525 - SCARPA THOMAS J
Designated contracting state (EPC)
AT DE FR IT NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 81305960 A 19811218