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Title: Electronic controller for controlling the air/fuel ration of the mixture supplied to an internal combustion engine

Patent ·
OSTI ID:5371587

A digital electronic controller is disclosed for an engine equipped with an oxygen detector located along the exhaust path of the gases and a carburettor equipped with electrovalves for regulating the fuel flow rate. This controller comprises digital circuits for closed loop and open loop regulation including a digital memory in which the carburettor regulation value is permanently stored, a logic circuit for controlling the operating modes and a plurality of amplifiers for controlling the electrovalves of the carburettor. This controller makes it possible to reduce the pollution level of motor vehicles.

Assignee:
Groupement d'Interet Economique de Recherche et de Developpement PSA (France)
Patent Number(s):
US 4391251
OSTI ID:
5371587
Resource Relation:
Patent Priority Date: Priority date 19 Oct 1979, France; Other Information: PAT-APPL-197604
Country of Publication:
United States
Language:
English