Fuel injection control system for internal combustion engine

Patent · Tue Oct 27 04:00:00 EST 1987

OSTI ID:5763411

Wataya, S

A fuel injector control apparatus is described comprising: an air-flow sensor for detecting a quantity of suction air supplied to an internal combustion engine; an injector for injecting fuel into the engine; a controller for controlling a quantity of the injected fuel responsive to an output of the air-flow sensor; a throttle valve for regulating a quantity of the suction air; throttle valve opening detecting means for detecting an opening of the throttle valve; a bypass valve for the suction air bypassing the throttle valve; bypass opening detecting means for detecting an opening of the bypass valve; rotational frequency detecting means for detecting a rotational frequency of the engine; and first means for correcting the output of the air-flow sensor according to outputs of both the throttle valve opening detecting means and the bypass opening detecting means.

• Assignee: Mitsubishi Denki Kabushiki Kaisha, Tokyo
• Patent Number(s): US 4702214
• OSTI ID: 5763411
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
AIR FLOW
CONTROL EQUIPMENT
CONTROL SYSTEMS
DESIGN
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
FUEL-AIR RATIO
GAS FLOW
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
OPERATION
VALVES