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Device for automatically adjusting the rotational speed of an internal combustion engine when operating under idling conditions

Patent ·
OSTI ID:6920489
The invention relates to a device for automatically adjusting the spark advance for controlling the idling r.p.m. in an internal combustion engine, of the type controlled by first sensor means connected by a first connection to the intake duct upstream of the throttle valve. Said device also comprises a second connection to said duct downstream of said valve, said second connection being controlled by a solenoid valve controlled by second sensor means for determining the engine rotational speed, and third sensor means for determining the throttle valve position.
Assignee:
Alfa Romeo S. p. A. (Italy)
Patent Number(s):
US 4429671
OSTI ID:
6920489
Country of Publication:
United States
Language:
English

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Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
ANGULAR VELOCITY
CONTROL
CONTROL EQUIPMENT
CONTROL SYSTEMS
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FUEL SYSTEMS
HEAT ENGINES
IGNITION SYSTEMS
INTERNAL COMBUSTION ENGINES
OPTIMAL CONTROL
PRESSURE DEPENDENCE
SOLENOIDS
SPARK IGNITION ENGINES
VALVES
VELOCITY