Sequential variable fuel injection

Patent · Tue Apr 02 04:00:00 EST 1991

OSTI ID:5128106

Weglarz, M W; Vincent, M T; Prestel, J F; Sisoler, P G

This patent describes a fuel injection system for an engine of an automotive vehicle including cylinders, a spark plug for each of the cylinders, a distributor electrically connected to the spark plug, a throttle body having a throttle valve connected to the engine to allow or prevent air to the cylinders, a fuel source at least one fuel line connected to the fuel source, fuel injectors connected to the fuel line for delivering fuel to the cylinders, a sensor located near the distributor for sensing predetermined states of the distributor, and an electronic control unit (ECU) electrically connected to the sensor, distributor and fuel injectors. It comprises calculating a desired total injector on time for current engine conditions; calculating a variable injection time (VIT) and a turn on time based on the VIT; and firing the fuel injectors at the calculated turn on time for the calculated total injector on time.

• Assignee: Chrysler Corp., Highland Park, MI (USA)
• Patent Number(s): US 5003952; A
• Application Number: PPN: US 7-523094
• OSTI ID: 5128106
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
COMPUTERIZED CONTROL SYSTEMS
CONTROL SYSTEMS
CYLINDERS
DESIGN
ENGINES
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MEASURING INSTRUMENTS
ON-LINE CONTROL SYSTEMS
ON-LINE SYSTEMS
OPERATION
PULSES