Fuel injection valve controller apparatus

Details Fuel injection valve controller apparatus Fuel injection valve controller apparatus

1998-01-06

1999-09-07

Solis, Erick R.

Internal-combustion engines

Charge forming device

Fuel injection system

123527, 361154, F02D 4120

Patent

active

059470909

ABSTRACT:
A second operation mode without a hold period is used for starting up an engine when the ambient temperature is extremely low so that an electromagnetic coil remains fed with the current until the valve opening is completed, thus ensuring elimination of an injection valve cling up. A full opening of the injection valve is recognized by detecting a decrease of a coil current in the electromagnetic coil. The lower the temperature where the cling up is hardly eliminated in a short period, the longer the energizing period for the coil is provided. Consequently, such an event as failing to eliminate the cling up due to too short of the energizing period will be prevented.

REFERENCES:
patent: 3982505 (1976-09-01), Rivere
patent: 4511945 (1985-04-01), Nielsen
patent: 5053911 (1991-10-01), Kopec et al.
patent: 5531198 (1996-07-01), Matsuura
patent: 5632250 (1997-05-01), Kato et al.

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