Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1980-10-20
1981-10-13
Nelli, Raymond A.
Internal-combustion engines
Charge forming device
Fuel injection system
123459, 123495, 123440, 137495, F02B 7510, F02B 302, F02D 100, F16K 1734
Patent
active
042942144
ABSTRACT:
The system comprises a zirconium sensor interposed in the exhaust conduit of a gas-fueled engine for sensing both oxygen content and temperature of the exhaust gases, and for emitting electrical analog signals thereof to a comparator/controller. In turn, the latter transmits a complementary, derivative electrical signal to a current-to-pressure transducer. The transducer is supplied with gas under pressure, from the engine fuel (gas) supply line, and the pressure of this transducer-supplied gas is modulated by the aforesaid derivative signal. The modulated gas pressure is communicated with a gas cylinder, having a translating piston rod, which is operatively engaged with an otherwise standard gas engine regulator for trimming control of the flow of fuel (gas) through the regulator.
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Alford Raymond N.
Dopkin Joseph A.
Treible Edwin S.
Ingersoll-Rand Co.
Murphy B. J.
Nelli Raymond A.
Tibbott D. W.
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