Control apparatus for an internal combustion engine having a carburetor

Patent · Tue Jun 10 04:00:00 EDT 1986

OSTI ID:5636043

Atago, T; Mouri, Y; Kosuge, T; Furuhashi, T; Abe, O; Hasegawa, T

A method is described of operating a processor-controlled apparatus for controlling the operating of an internal combustion engine having a carburetor through which the air fuel ratio of the air-fuel mixture supplied to the engine is controlled. The carburetor has a low speed fuel system including a slow fuel passage containing a slow jet and a slow solenoid-operated valve coupled with the slow fuel passage for controlling fuel supplied therethrough to the slow jet, and a high-medium speed fuel system including a main fuel passage containing a main fuel jet and a main solenoid-operated valve coupled with the main fuel passage for controlling fuel supplied therethrough to the main jet, additional air-fuel supply control means for controlling the supply of an air-fuel mixture to the engine while bypassing the carburetor. The additional air-fuel supply control means includes additional fuel supply control means and additional air supply control means, the additional fuel supply control means further comprises a fuel bypass control solenoid-operated valve.

• Assignee: Hitachi, Ltd., Tokyo
• Patent Number(s): US 4593663
• OSTI ID: 5636043
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ACCELERATION
AIR FLOW
CARBURETORS
COMPUTERIZED CONTROL SYSTEMS
CONTROL EQUIPMENT
CONTROL SYSTEMS
DISPERSIONS
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ENGINES
EQUIPMENT
EXHAUST GASES
FLOW REGULATORS
FLUID FLOW
FLUIDS
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
FUEL-AIR RATIO
GAS FLOW
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
JETS
MEASURING INSTRUMENTS
MEMORY DEVICES
MIXTURES
MOTION
PRESSURE EFFECTS
ROTATION
SIGNALS
SOLENOIDS
TEMPERATURE MEASUREMENT
THERMOMETERS
VACUUM SYSTEMS
VALVES
VELOCITY
WASTES