Method and apparatus for detecting the ignition time point of an

Details Method and apparatus for detecting the ignition time point of an Method and apparatus for detecting the ignition time point of an

1984-05-11

1985-12-03

Cox, R. B.

Internal-combustion engines

Charge forming device

Fuel injection system

123494, 123501, 123426, F02P 504, F02D 106

Patent

active

045560358

ABSTRACT:
A method of detecting the ignition time point of an engine by detecting the ignition of the engine by the detection of the burning flame light of the fuel in the combustion chamber of the engine and by photoelectrically converting the burning flame light thus detected into an electrical signal so as to determine the ignition time point of the fuel, which comprises the steps of: (a) converting the burning flame light detected by the flame sensor into a voltage signal through photoelectric converting means; (b) applying said voltage signal to a comparator and comparing said electrical signal with a reference voltage; (c) varying said reference voltage in accordance with the running conditions of the engine; and (d) detecting the ignition time point from the resulting output signal from said comparator, and an apparatus for the same. With this construction, the ignition time point of the engine can be accurately detected and improvements in the fuel consumption rate as well as the transmission efficiency can be realized thereby.

REFERENCES:
patent: 4130097 (1978-12-01), Ford
patent: 4369748 (1983-01-01), Steinke
patent: 4417554 (1983-11-01), Dinger
patent: 4463729 (1984-08-01), Bullis

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