Energy-conserving ventilating fan

Energy-conserving ventilating fan

An electrically driven fan arrangement, suitable for energy-conserving installations, includes a fan, an electric motor (110) serving to drive the fan, and associated control apparatus, namely: a sensing apparatus (140) for sensing a volumetric air flow rate (125) generated by the fan (120) and for...

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1. Verfasser: KARWATH ARNO
Format: Patent
Sprache:eng
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CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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creator KARWATH ARNO
description An electrically driven fan arrangement, suitable for energy-conserving installations, includes a fan, an electric motor (110) serving to drive the fan, and associated control apparatus, namely: a sensing apparatus (140) for sensing a volumetric air flow rate (125) generated by the fan (120) and for generating a measured volumetric air flow value (Vmess), and a volumetric flow rate control arrangement (160) for automatically controlling the volumetric air flow rate (125) generated by the fan (120) to a predetermined target volumetric air flow value (V_s). The volumetric flow rate control arrangement (160) is configured to generate a target rotation speed value (N_s) for the electric motor (110). A rotation speed controller (170), which automatically controls the rotation speed of the electric motor (110) to the target rotation speed rate (N_s) generated by the volumetric flow rate control arrangement (160), is also provided.
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The volumetric flow rate control arrangement (160) is configured to generate a target rotation speed value (N_s) for the electric motor (110). 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subjects CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
title Energy-conserving ventilating fan
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