Internal-combustion engines – Engine speed regulator – Idle speed control
Patent
1990-02-21
1991-04-30
Argenbright, Tony M.
Internal-combustion engines
Engine speed regulator
Idle speed control
123585, F02D 4116
Patent
active
050108620
ABSTRACT:
Disclosed is a method for controlling the quantity of intake air supplied to an internal combustion engine, in which the position of a valve member of a flow control valve having a non-linear valve opening characteristic is converted into an intake air quantity or a virtual valve position proportional to the intake air quantity so as to linearize the non-linear valve opening characteristic of the flow control valve. Application of the method of the present invention to an idle speed control device in an engine equipped with an electronic controlled fuel injection system is advantageous in that the quantity of intake air supplied to the engine can be accurately controlled under various operating conditions of the engine, therely preventing rotation of the engine at an excessively high speed and stalling of the engine, improving the fuel consumption and reducing noise generated from the engine.
REFERENCES:
patent: 4425886 (1984-01-01), Kuroiwa et al.
patent: 4691675 (1987-09-01), Iwaki
patent: 4716871 (1988-01-01), Sakamoto et al.
patent: 4742807 (1988-05-01), Sakamoto et al.
Hashimoto Toru
Inuzuka Tokushige
Jimbo Takeshi
Kamura Hitoshi
Yoshida Katutoshi
Argenbright Tony M.
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
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