Fuel pumping apparatus

Details Fuel pumping apparatus Fuel pumping apparatus

1981-01-30

1983-07-19

Lazarus, Ira S.

Internal-combustion engines

Charge forming device

With fuel pump

123357, 123501, F02M 5920

Patent

active

043938469

ABSTRACT:
A fuel pumping apparatus includes an injection pump to which fuel is supplied through an adjustable throttle and which includes a fluid pressure operable device for controlling the timing of delivery of fuel. In order to accurately control the timing in accordance with the speed and the amount of fuel supplied to the engine a transducer is provided to sense the throttle position and a further transducer to measure the pressure upstream of the throttle. The signals from these transducers together with an engine speed signal are supplied to a circuit which computes or on the basis of stored information, provides a fuel quantity signal. The fuel quantity signal is supplied to a further circuit together with a speed signal which produces a desired timing signal. This signal is utilized to control the pressure applied to the device.

REFERENCES:
patent: 3815564 (1974-06-01), Suda et al.
patent: 3934430 (1976-01-01), Fuso
patent: 4019478 (1977-04-01), Hobo et al.
patent: 4033310 (1977-07-01), Nicolls
patent: 4080109 (1978-03-01), Green
patent: 4265200 (1981-05-01), Wessel et al.

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