Device for controlling the quantity of intake air to be supplied

Internal-combustion engines – Engine speed regulator – Open loop condition responsive

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Details

123361, 318254, F02D 1110, F02D 902, F02D 4122

Patent

active

056069502

ABSTRACT:
A device for controlling the quantity of intake air to be supplied to an engine, including a motor controller 22 for calculating a phase current value to be supplied to a stator winding, based on an opening deviation of a throttle valve 11, and for outputting a PWM duty signal corresponding to the calculated phase current value, a motor driver 23 for supplying a current to a brushless motor 15 based on instructions from the motor control unit 22, and a first duty correcter 22a for correcting the PWM duty signal in accordance with a hysteresis torque produced as the throttle valve is driven.

REFERENCES:
patent: 4963800 (1990-10-01), Kajiwara et al.
patent: 5113824 (1992-05-01), Haubner
patent: 5433283 (1995-07-01), Shultz et al.

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