AIR FILTER MONITORING

AIR FILTER MONITORING

In a method of monitoring pollution of an air filter (Filt1) in a device in which an air flow (A) generated by a fan (F) engaged by a motor (M) passes the air filter (Filt1), the pollution is determined using data representative of a pressure difference (D2) over the fan (F), a pressure difference (...

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Hauptverfasser: DE WIT, Bastiaan Johannes, VAN DER KOOI, Johannes Tseard, KUPERUS, Johan Bernard
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
DOMESTIC WASHING OR CLEANING
FURNITURE
HUMAN NECESSITIES
SPICE MILLS
SUCTION CLEANERS IN GENERAL
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creator DE WIT, Bastiaan Johannes
VAN DER KOOI, Johannes Tseard
KUPERUS, Johan Bernard
description In a method of monitoring pollution of an air filter (Filt1) in a device in which an air flow (A) generated by a fan (F) engaged by a motor (M) passes the air filter (Filt1), the pollution is determined using data representative of a pressure difference (D2) over the fan (F), a pressure difference (D1) over the air filter, and a motor current (I) to the motor (M). The method comprises the steps of: estimating a flow through the air filter from data representative of the pressure difference (D2) over the fan (F), and the motor current (I) to the motor (M), estimating a filter resistance of the air filter from data representative of the flow through the air filter, and the pressure difference (D1) over the air filter, and estimating the pollution of the air filter from data representative of the filter resistance of the air filter.
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subjects COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
DOMESTIC WASHING OR CLEANING
FURNITURE
HUMAN NECESSITIES
SPICE MILLS
SUCTION CLEANERS IN GENERAL
title AIR FILTER MONITORING
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