AIR BLOWER AND STATIC PRESSURE EVALUATION APPARATUS

AIR BLOWER AND STATIC PRESSURE EVALUATION APPARATUS

The air blower capable of exercising constant airflow rate control and a static pressure evaluation apparatus connectable to the air blower are provided, in which the air blower provides information for improving a duct shape and a duct path by calculating a static pressure in a duct connected to th...

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Hauptverfasser: KONISHI, Ayumi, UNO, Yuki, ANDO, Koki
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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creator KONISHI, Ayumi
UNO, Yuki
ANDO, Koki
description The air blower capable of exercising constant airflow rate control and a static pressure evaluation apparatus connectable to the air blower are provided, in which the air blower provides information for improving a duct shape and a duct path by calculating a static pressure in a duct connected to the air blower from a value of a current flowing through a brushless DC motor built in the air blower, a rotation speed of the brushless DC motor, a target airflow rate, and data on relations among these values; displaying at least one of a static pressure value and an evaluation, stored beforehand in accordance with a static pressure level, of the calculated static pressure; and, during installation of a ventilation fan, evaluating a duct resistance from the static pressure in the duct connected to the ventilation fan.
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subjects BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
title AIR BLOWER AND STATIC PRESSURE EVALUATION APPARATUS
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