Fuel controller for an internal combustion engine

Details Fuel controller for an internal combustion engine Fuel controller for an internal combustion engine

1989-07-19

1991-07-30

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Including means responsive to instantaneous change in engine...

123481, F02D 4126

Patent

active

050352202

ABSTRACT:
A fuel controller for an internal combustion engine has a misfiring sensor which can detect when misfiring occurs in an engine cylinder. When misfiring is detected, the fuel injector corresponding to the misfiring cylinder is prevented from supplying fuel to the misfiring cylinder, while the fuel injectors for the other cylinders continue to operate normally. The fuel injector for the misfiring cylinder can be disabled by a switching circuit which turns off a power amplifier for driving the fuel injector. Misfiring can be detected by sensing changes in the rotational speed of the engine between prescribed crankshaft angles due to a reduction in torque when misfiring occurs.

REFERENCES:
patent: 3916622 (1975-11-01), Gospodar
patent: 3972230 (1976-08-01), Hanson et al.
patent: 4015428 (1977-04-01), Kawai
patent: 4023358 (1977-05-01), Maurer et al.
patent: 4024850 (1977-05-01), Peter et al.
patent: 4104990 (1978-08-01), Frobenius
patent: 4366793 (1983-01-01), Coles
patent: 4366794 (1983-01-01), Hachiga et al.
patent: 4372269 (1983-02-01), Coles

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