Internal-combustion engines – Charge forming device – Having fluidic logic control means
Patent
1982-07-19
1984-06-05
Nelli, Raymond A.
Internal-combustion engines
Charge forming device
Having fluidic logic control means
123489, 123478, F02B 300, F02M 3900
Patent
active
044522070
ABSTRACT:
A fuel/air ratio control apparatus for a reciprocating engine used in light aircraft including a fuel metering apparatus (32) and a fuel/air ratio controller (40). The controller (40) generates an electrical signal (Wf/Wa) indicative of a desired fuel/air ratio based upon the flight condition of the aircraft and the metering apparatus (32) meters fuel flow (Wf) according to the mass airflow ingested into the engine. The desired fuel/air ratio is a best power ratio (Wf/Wa (2)) for takeoff and climb conditions and a best economy ratio (Wf/Wa (3)) for cruise conditions as derived from the exhaust gas temperature. These ratios are limited by a ratio (Wf/Wa (1)) based upon the maximum cylinder head temperature tolerable for a particular flight condition.
REFERENCES:
patent: 3923016 (1975-12-01), Hoshi
patent: 3926154 (1975-12-01), Williams
patent: 3938479 (1976-02-01), Oberstadt
patent: 4033172 (1977-07-01), Morton
patent: 4040394 (1977-08-01), Wahl et al.
patent: 4170969 (1979-10-01), Asano
patent: 4210114 (1980-07-01), Watanabe
patent: 4248196 (1981-02-01), Toelle
Decker Ken C.
Nelli Raymond A.
The Bendix Corporation
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