Internal-combustion engines – Charge forming device – Including cylinder pressure or temperature responsive means
Patent
1992-04-06
1993-02-16
Nelli, Raymond A.
Internal-combustion engines
Charge forming device
Including cylinder pressure or temperature responsive means
359170, 359173, 359172, 359169, 123494, 123425, F02M 700
Patent
active
051861461
ABSTRACT:
A combustion/evaluation apparatus having a sampling member for sampling light emitted from flame in an internal combustion engine, optical fibers for separating the light sampled by the sampling member into at least two lights, optical filters for selectively transmitting lights having different wavelengths by being provided in optical paths for the separated lights, photoelectric conversion elements for respectively converting optical signals transmitted through the optical filters into electrical signals, and a calculation/evaluation unit for calculating an air ratio and a temperature for evaluation of the combustion condition of the flame by using a ratio of outputs from the photoelectric conversion elements, and for evaluating the combustion condition on the basis of the air ratio and the temperature. Preferably, the air ratio is calculated based on the ratio of an electrical signal output from the photoelectric conversion element obtained from the optical signal from CH radicals and an electrical signal output from the photoelectric conversion element obtained from the optical signal from C.sub.2 radicals, and the temperature is calculated from the ratio of electrical signal outputs from said photoelectric conversion elements based on an optical signal obtained from thermal radiation having wavelengths including none of the wavelengths of an optical signal obtained from radical emission.
REFERENCES:
patent: 4369748 (1983-01-01), Steinke et al.
patent: 4397283 (1983-08-01), Komaroff et al.
patent: 4419212 (1983-10-01), Dietz et al.
patent: 4541272 (1985-09-01), Bause
patent: 4594968 (1986-06-01), Degobert et al.
patent: 4706629 (1987-11-01), Wineland et al.
patent: 4706630 (1987-11-01), Wineland et al.
patent: 4770129 (1988-09-01), Miyata et al.
patent: 4941205 (1990-07-01), Horst et al.
patent: 4974552 (1990-12-01), Sickafus
patent: 5031234 (1991-07-01), Primas et al.
patent: 5039189 (1991-08-01), Lytel et al.
patent: 5040242 (1991-08-01), Tsuchiya et al.
patent: 5060302 (1991-10-01), Grimes
patent: 5111333 (1992-05-01), Coles et al.
patent: 5111519 (1992-05-01), Mathis
patent: 5125381 (1992-06-01), Nutton et al.
patent: 5136666 (1992-08-01), Anderson et al.
Arashi Norio
Azuhata Shigeru
Sohma Ken-ichi
Tokuda Hiroatsu
Yukitake Tugihiro
Hitachi , Ltd.
Nelli Raymond A.
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