Internal-combustion engines – Charge forming device – Injection or carburetion system having a series of throttle...
Patent
1985-06-20
1988-01-26
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Injection or carburetion system having a series of throttle...
123389, 123393, 123478, F02D 908, F02D 4134
Patent
active
047210850
ABSTRACT:
A fuel injection apparatus in which a closed fuel circuit is pressurized, and the amount of fuel injected is determined by varying the area switching on/off time of a solenoid in the injector, thereby allowing variance in the area factor of the equation Q=AV; where Q=flow, A=area, V=velocity. Air intake by the engine is controlled in response to the aspiration conditions of the engine via intake and exhaust signals. The fuel injection apparatus includes a reservoir with a fixed level of fuel, and a low pressure pump which pumps fuel into a circuit containing a pressure relief valve splitting amounts between the reservoir and leaving an amount of fuel approximate to the engine's needs going on the electronic injectors. The basic control of the injector's on/off time is governed by ohmic change of the oscillator input, which is controlled by the conventional accelerator pedal. Air valve movement is achieved when the intake vacuum conditions are sensed inside the cavity defined by the dome pot's wall and the air valve's sliding portions top resulting in an upward lift from the exhaust pressure as sensed through a pressure transducer.
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Adams Karen M.
Adams William D.
Dolinar Andrew M.
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