Fan for use in agriculture
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United States of America Patent
Stats
-
Aug 27, 2024
Grant Date -
Feb 2, 2023
app pub date -
Oct 3, 2022
filing date -
Oct 3, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A fan for use in agriculture includes a housing, a motor, a propeller, a damper, and a controller. The damper is connected to the housing and is movable between open positions and a fully closed position. The controller controls the motor to rotate in a first rotational direction to cause the propeller to generate airflow in a first airflow direction through the housing from an inlet to an outlet and, upon receiving an instruction to shut down, controls the motor to rotate in a second rotational direction, opposite to the first rotational direction, to cause the propeller to generate airflow in a second airflow direction, opposite to the first airflow direction, through the housing from the outlet to the inlet, before ceasing rotation.
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