Internal-combustion engines – Noncompression
Patent
1975-09-05
1977-08-09
Dority, Jr., Carroll B.
Internal-combustion engines
Noncompression
123 32EA, F02B 300
Patent
active
040403971
ABSTRACT:
The operation of each electromagnetic fuel injector of an internal combustion engine is controlled so that when an energizing current is caused to flow from the battery of the engine through the coil of the fuel injector, the time taken for the current to reach its full value is controlled electronically so that it is a constant irrespective of the battery voltage but no shorter than would naturally result if the battery were to deliver its predicted lowest voltage directly to the coil, the necessary control being obtained by generating a constant electric current and using it to charge a capacitor to a predetermined voltage, comparing the voltage of the capacitor with a voltage which is proportional to the energizing current flowing through the coil, and controlling the build up time of the energizing current so that it is equal to the time taken to charge the capacitor, this being constant.
REFERENCES:
patent: 3243505 (1966-12-01), Miller
patent: 3549955 (1970-12-01), Paine
patent: 3590334 (1971-06-01), Baker
patent: 3613644 (1971-10-01), Porsche
patent: 3750631 (1973-08-01), Scholl et al.
patent: 3786314 (1974-01-01), Misch
patent: 3786344 (1974-01-01), Davis et al.
patent: 3909701 (1975-09-01), Waehner
Automobiles Peugeot
Devinsky Paul
Dority Jr. Carroll B.
Regie Nationale des Usines Renault
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