Fuel pump control system for internal combustion engines, having

Details Fuel pump control system for internal combustion engines, having Fuel pump control system for internal combustion engines, having

1983-08-08

1984-09-04

Moy, Magdalen Y. C.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123198D, 123198DB, F02D 112

Patent

active

044690657

ABSTRACT:
A fuel pump control system for use in an internal combustion engine having fuel injection valves each disposed to be driven by a command signal indicative of a required quantity of fuel being supplied to the engine, corresponding to operating conditions of the engine, and a fuel pump for supplying pressurized fuel to the fuel injection valves, wherein the control system controls the operation of the fuel pump. The control system includes at least one abnormality determining means which is adapted to monitor the above command signal and a signal indicative of the operative state of a corresponding one of the fuel injection valves, and generate an abnormality-indicative signal after the levels of the two signals have become out of a predetermined logical relationship, whereby the fuel pump is rendered inoperative by the abnormality-indicative signal.

REFERENCES:
patent: 4366794 (1983-01-01), Hachiga et al.
patent: 4383511 (1983-05-01), Jones

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