Fuel supply control system for an engine

Patent · Tue Nov 29 04:00:00 EST 1988

OSTI ID:6484233

Kasanami, M; Tamura, H

This patent describes a fuel supply control system including means for supplying a controlled amount of fuel to an internal combustion engine having a throttle valve movable for controlling air flow to the engine, comprising: sensor means for detecting engine operating conditions including engine load and engine speed; a throttle sensor for detecting the degree of opening of the throttle valve; and a control unit for controlling the amount of fuel to the engine in accordance with the detected engine operating conditions, the control unit including first enrichment means responsive to a demand for engine acceleration for increasing the amount of fuel to the engine, and means for preventing the first enrichment means from increasing the amount of fuel to the engine where the detected throttle valve opening position is at a degree greater than a reference value, the control unit including second enrichment means for increasing the amount of fuel to the engine when the detected engine load is greater than a predetermined value and means for preventing the second enrichment means from increasing the amount of fuel to the engine when the detected throttle valve opening position is at a degree greater than the reference value.

• Assignee: Nissan Motor Co., Limited, Kanagawa
• Patent Number(s): US 4787358
• OSTI ID: 6484233
• 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 SYSTEMS
FUEL-AIR RATIO
GAS FLOW
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
OPERATION
VALVES