Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1989-07-21
1990-09-18
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
Fuel injection system
123 65BA, 123 73C, 123478, F02D 4134
Patent
active
049570897
ABSTRACT:
A two-cycle engine has a scavenge pump provided in an intake passage, and a fuel injector provided for injecting fuel directly in a cylinder of the engine. A scavenge pressure sensor is provided in the intake passage for detecting a scavenge pressure. A plurality of data relative to quantity of air induced in the cylinder excluding escape air at scavenging the cylinder are stored in a memory. Quantity of air is derived from the memory in accordance with the detected scavenge pressure. Quantity of fuel injected by the fuel injector is calculated based on the derived quantity of air induced in the cylinder.
REFERENCES:
patent: 4823755 (1989-04-01), Hirose et al.
Argenbright Tony M.
Farber Martin A.
Fuji Jukogyo Kabushiki Kaisha
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