Fuel injection control system for a fuel injection pump

Details Fuel injection control system for a fuel injection pump Fuel injection control system for a fuel injection pump

1981-03-23

1984-02-21

Lazarus, Ira S.

Internal-combustion engines

Engine speed regulator

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

123494, F02D 3100

Patent

active

044323190

ABSTRACT:
An electric actuator responds to a command for control of fuel injection rate. A position sensor including a multiturn spiral resistor senses the position of the actuator as a varying resistance to produce a corresponding position signal for feedback control purposes. The rate of change in the resistance of a potentiometer corresponding to the fuel injection rate in the range of zero to the rate required under full load differs from that in the range of the rate required under full load to the rate required during starting of the pump. The potentiometer includes first and second series connected resistors with different resistances per unit length. The resistance of the first resistor may be nullified during starting of the engine.

REFERENCES:
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patent: 3425401 (1969-02-01), Lang
patent: 3630643 (1971-12-01), Gheim
patent: 3636933 (1972-01-01), Ohtani et al.
patent: 3731664 (1973-05-01), Tsuzuki et al.
patent: 3797465 (1974-03-01), Hobo et al.
patent: 3945360 (1976-03-01), Laufer
patent: 3973537 (1976-08-01), Williams et al.
patent: 4036193 (1977-07-01), Kobayashi et al.
patent: 4223654 (1980-09-01), Wessel et al.
patent: 4318378 (1982-03-01), Gheim

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