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U.S. Department of Energy
Office of Scientific and Technical Information

Fuel injection control system for internal combustion engine

Patent ·
OSTI ID:5684389

A fuel injection control system for an internal combustion engine is described comprising: a cold start injection valve provided inside an intake pipe for performing fuel injection on cold starts; a switch means for controlling energization of the cold start injection valve; a starter derive state detection means for judging if a starter is being driven; a clock means for detecting, by the starter drive state detection means; a change of the starter from a nonoperating state to an operating state and for counting time elapsed from the detected change; and a start control means which designates a starting fuel injection when the elapsed time counted by the clock means is a first predetermined period of more and which prohibits the starting fuel injection when the elapsed time is a second predetermined period or more greater than the first predetermined period.

Assignee:
Toyota Jidosha Kabushiki Kaisha, Aichi
Patent Number(s):
US 4705004
OSTI ID:
5684389
Country of Publication:
United States
Language:
English