Fuel supply systems for diesel engines

Details Fuel supply systems for diesel engines Fuel supply systems for diesel engines

1975-05-15

1977-04-19

Husar, C. J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

307 31, H02J 100

Patent

active

040182010

ABSTRACT:
A Fuel System for an engine includes an actuator for controlling the output of a pump and a pair of d.c. supply lines the voltage across which is determined by a voltage regulator. A series circuit including a resistor, a relay coil and a transistor is connected across the supply lines and first means is provided for turning transistor off if the current flow through the actuator exceeds a predetermined value. Second means including a resistor is provided to maintain transistor de-energised when it has been turned off to prevent further operation of the actuator. In addition switch means is provided to short circuit the resistor if the potential between the supply lines falls below a second predetermined value.

REFERENCES:
patent: 3350627 (1967-11-01), Wright
patent: 3430615 (1969-03-01), Chavis
patent: 3529211 (1970-09-01), Brayley
patent: 3539865 (1970-11-01), Billings
patent: 3541392 (1970-11-01), Vargo et al.
patent: 3630177 (1971-12-01), Engel
patent: 3691427 (1972-09-01), Honda et al.
patent: 3699935 (1972-10-01), Adler et al.
patent: 3713427 (1973-01-01), Adler
patent: 3739757 (1973-06-01), Ohtani et al.
patent: 3867918 (1975-02-01), Williams et al.

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