Measuring and testing – Test stand – For engine
Patent
1987-08-05
1988-10-25
Myracle, Jerry W.
Measuring and testing
Test stand
For engine
G01M 1500
Patent
active
047794550
ABSTRACT:
An air-fuel ratio detecting combustion sensor. Combustion light signals of two given waveform bands are photoelectrically converted into corresponding electrical waveform signals. On the basis of phase difference in time points at which the two signals are generated, respectively, the air-fuel ratio is arithmetically determined.
REFERENCES:
patent: 4444169 (1984-04-01), Kirisawa et al.
patent: 4705350 (1987-11-01), Cheng
Kuroiwa Hiroshi
Oyama Yoshishige
Hitachi , Ltd.
Myracle Jerry W.
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