Variable stroke, electronically controlled fuel injection control system

Patent · Tue Feb 17 00:00:00 EST 1987

OSTI ID:6721032

O'Neill, C G

A fuel injection control system is described comprising an internal combustion engine having a crankshaft, a fuel supply, a spill valve in fluid communication with the fuel supply, a fuel injection nozzle, a fuel pump comprising a piston and cylinder, the cylinder in fluid communication with the fuel injection nozzle and the spill valve, means for actuating the fuel pump piston comprises means for actuating the fuel pump piston to achieve a constant velocity relative to angular rotation of the crankshaft for the piston during the delivery portion of the pumpstroke during the travel of the piston in the cylinder, means for closing the spill valve when the piston, during the delivery portion of the pumpstroke, reaches a first predetermined position in the fuel pump cylinder and opening the spill valve when the piston, during the delivery portion, reaches a second predetermined position in the fuel pump cylinder.

• Assignee: Olin Corp., Stamford, CT
• Patent Number(s): US 4643155
• OSTI ID: 6721032
• Resource Relation: Patent File Date: Filed date 5 Oct 1984
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
INTERNAL COMBUSTION ENGINES
FUEL INJECTION SYSTEMS
CONTROL SYSTEMS
CYLINDERS
FLUID FLOW
NOZZLES
PISTONS
POSITIONING
PUMPS
ROTATION
SHAFTS
VALVES
VELOCITY
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FUEL SYSTEMS
HEAT ENGINES
MACHINE PARTS
MOTION
330100* - Internal Combustion Engines