Internal-combustion engines – Charge forming device – Having fluidic logic control means
Patent
1985-07-15
1986-06-17
Nelli, Raymond A.
Internal-combustion engines
Charge forming device
Having fluidic logic control means
123437, 123481, 123436, F02M 712, F02B 308, F02B 3300, F02D 502
Patent
active
045949840
ABSTRACT:
A regulating device is proposed for the mixture composition of an internal combustion engine having a signal sensor and having regulating ranges which can be switched over between lambda equals one and the lean range. The lambda-equal-to-one regulation is effected by means of a two-point regulator and the lean regulation is effected either via an altered set-point value of the two-point regulator or with the aid of a steady regulator. The transitions between the two types of regulation take a course dependent on a selectable function, in order to avoid abrupt changes in rpm. A switchover is also made to controlled operation for a brief period at the beginning of each type of regulation.
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Raff Lothar
Wiedenmann Hans-Martin
Greigg Edwin E.
Nelli Raymond A.
Robert & Bosch GmbH
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