Two cycle fuel injection engine

Details Two cycle fuel injection engine Two cycle fuel injection engine

1997-04-25

1998-06-23

Okonsky, David A.

Internal-combustion engines

Two-cycle

Rear compression

123 65PE, 123198F, F02B 2704, F02D 1702

Patent

active

057690413

ABSTRACT:
A two-cycle internal combustion engine control method and system wherein economy of fuel consumption and emission control is achieved by skipping fuel injection for a number of cycles dependent upon a decrease in the engine speed and load below a predetermined value. When fuel injection is skipped, the duration of fuel injection is increased. The escape of unburned fuel from the exhaust port is achieved when the fuel injection amount is increased by advancing the timing of the fuel injection and by retarding the opening of the exhaust port.

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