Split engine operation with means for discriminating false indic

Details Split engine operation with means for discriminating false indic Split engine operation with means for discriminating false indic

1979-02-02

1980-09-30

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123481, F02D 1700

Patent

active

042249201

ABSTRACT:
A split engine control system includes a load level detector for generating a first signal in response to a relatively high engine load and a second signal in response to a relatively low engine load. A certain of the cylinders of an internal combustion engine is deactivated in response to the second signal to operate the engine on partial cylinders and activated in response to the first signal to permit the engine to operate on full cylinders. A discriminating circuit is connected to the load level detector to disable the second signal when the duration of the latter is smaller than a preset time interval which corresponds to the duration of a false indication of engine load reduction which might occur in response to gear changes during full cylinder operation.

REFERENCES:
patent: 3955363 (1976-05-01), Mandersheid
patent: 4064844 (1977-12-01), Matsumoto et al.
patent: 4080947 (1978-03-01), Tizuha
patent: 4129109 (1978-12-01), Matsumoto
patent: 4144864 (1979-03-01), Kato et al.

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