Fuel control means for engine intake systems

Patent · Tue Sep 30 04:00:00 EDT 1986

OSTI ID:5116630

Tanigawa, Y; Okino, Y

This patent describes an engine intake system including primary intake passage means leading to combustion chamber means, secondary intake passage means leading to the combustion chamber means. The primary and secondary intake passage means is opened to the combustion chamber means through common intake port means, first fuel injection valve means provided in the primary intake passage means, second fuel injection valve means provided in the second intake passage means, passage control means having a first position. The passage control means substantially closes the secondary intake passage means so that intake air is passed substantially through the primary intake passage means and a second position. The secondary intake passage means is at least partially opened so that the intake air is passed through both the primary and secondary intake passage means, fuel supply control means for controlling the first and second fuel injection valve means so that fuel is supplied substantially through the first fuel injection valve means.

• Assignee: Mazda Motor Corp., Hiroshima
• Patent Number(s): US 4614174
• OSTI ID: 5116630
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
AIR FLOW
COMBUSTION CHAMBERS
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
FUEL-AIR RATIO
GAS FLOW
HEAT ENGINES
INTAKE STRUCTURES
INTERNAL COMBUSTION ENGINES
MECHANICAL STRUCTURES
POSITIONING
VALVES