Fuel pumping apparatus with timing correction means

Details Fuel pumping apparatus with timing correction means Fuel pumping apparatus with timing correction means

1973-10-04

1977-07-05

Husar, C. J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123139E, 123139AQ, F02M 3900

Patent

active

040333108

ABSTRACT:
A fuel pumping apparatus comprises an injection pump including a cam angularly movable to vary the timing of injection of fuel, the cam being operated by a servo-mechanism which is controlled by an electrical torque motor. The supply of electrical energy to the torque motor is controlled by a control circuit which receives signals indicative of the speed of and the load on the engine, and also a signal from a transducer indicative of the actual timing of injection of fuel to the engine and also a signal from a transducer indicating the position of the parts of the engine. The control circuit processes the signals to provide for variation in the timing of injection of fuel in accordance with the speed and the load, and also checks that the actual instant of injection is correct.

REFERENCES:
patent: 3587540 (1971-06-01), Hofmann et al.
patent: 3633559 (1972-01-01), Ehem
patent: 3713427 (1973-01-01), Adler
patent: 3716035 (1973-02-01), Adler et al.
patent: 3738339 (1973-06-01), Huntzinger et al.
patent: 3742918 (1973-07-01), Murtin et al.
patent: 3749070 (1973-07-01), Oishi et al.
patent: 3750632 (1973-08-01), Zechnau
patent: 3779225 (1973-12-01), Watson et al.
patent: 3796197 (1974-03-01), Locher et al.
patent: 3809029 (1974-05-01), Wakamatse et al.
patent: 3815564 (1974-06-01), Suda et al.

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