SYSTEM ABLE TO CHANGE CROSS-SECTIONAL AREA OF AIR INTAKE TUBE
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United States of America Patent
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Issued Date -
Dec 28, 2017
app pub date -
Jun 14, 2017
filing date -
Jun 24, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A system able to change a cross-sectional area of an air intake tube is provided. The system is disposed between a throttle valve and an air intake tube of an air cleaner, and includes an adjustment device, a control module, and a stepping motor. The adjustment device includes a retaining seat, a rotating disc fitted in the retaining seat, a plurality of blades disposed on the retaining seat and the rotating disc. After the control module receives signals of an engine and the throttle valve and transmits a control signal to the stepping motor, the stepping motor drives the rotating disc to pivot the blades for controlling the cross-sectional area of an opening of the air intake tube.
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