Measuring and testing – Engine detonation – Combustion signal compared to reference signal varied by a...
Patent
1974-11-08
1976-03-09
Gill, James J.
Measuring and testing
Engine detonation
Combustion signal compared to reference signal varied by a...
G01L 2322
Patent
active
039423590
ABSTRACT:
A system is disclosed through which knocking in an internal combustion engine is quantitatively measured by detecting engine vibrations with an accelerometer, transmitting the accelerometer signal to an elaboration network including an amplifier and a filter, transmitting an ignition pulse to a control network, transmitting the output from the elaboration network through a gate only during coincidence of a signal from the control network, the output of the control network corresponding to the angle of revolution of the crankshaft during which knocking usually occurs, and detecting the output signal from the gate.
REFERENCES:
patent: 2291045 (1942-07-01), Lancor
patent: 2607215 (1952-08-01), DeBoisblanc
patent: 2879665 (1959-03-01), Adams
Arrigoni Virgilio
Gaetani Bruno
Ghezzi Pietro
Gill James J.
Snamprogetti S.p.A.
Watson Ralph M.
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