Apparatus for controlling the number of operative cylinders of a

Details Apparatus for controlling the number of operative cylinders of a Apparatus for controlling the number of operative cylinders of a

1984-12-24

1985-11-12

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123455, 123198F, F02M 6900, F02M 6302

Patent

active

045521140

ABSTRACT:
To improve the operating efficiency of a diesel engine, a plurality of engine operating parameters are detected and the engine cylinders to which the fuel supply is to be cut off are computed in accordance with the operating parameters, thereby stopping the generation of fuel control pulses in response to crank angle sensor output pulses indicative of the computed cylinders. A fuel injection pump is so constructed that the fuel is metered in response to the fuel control pulses and the metered fuel is pressurized, compressed and distributed to the cylinders, and the distribution of the pressurized and compressed fuel to the cylinders is stopped by stopping the application of the fuel control pulses.

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patent: 4249374 (1981-02-01), Sugusawa et al.
patent: 4274382 (1981-06-01), Sugasawa et al.
patent: 4398520 (1983-08-01), Schulz et al.

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