US 8,264,176 B2 · Fan arrangement

Abstract

A fan arrangement (20) has a fan (24) driven by an electric motor (22), also an apparatus for detecting the electrical power (PIST) consumed by the electric motor (22) during operation; an input apparatus (28) for inputting a desired rotation speed (nSOLL) of said electric motor (22); a converter (26) for converting said desired rotation speed (nSOLL) into a desired electrical power (PSOLL); and a controller (44), which regulates the control input controlling the electric motor (22) in such a way that the difference between the electrical power (PIST) consumed in operation and the desired electrical power (PSOLL) is reduced, in order thereby to improve the air output characteristic curve (49, 58) of the fan arrangement (20) at least in a portion of the overall operating range.

Claims6

Dependent claims

A fan arrangement having a fan (24) driven by an electric motor (22), which fan arrangement (20) comprises:

an apparatus for detecting the electrical power (PIST) consumed by the electric motor (22) during operation;
an input apparatus (28) with a control input (45) for inputting a desired rotation speed (nSOLL) of said electric motor;
a converter (26) for converting said desired rotation speed (nSOLL) into a desired electrical power (PSOLL) ;
a controller (44), which regulates said control input (45) controlling the electric motor (22) in such a way that the difference between the electrical power (PIST) consumed in operation and the desired electrical power (PSOLL) is reduced, in order thereby to improve the air output characteristic curve of the fan arrangement (20) at least in a portion of the overall operating range.

1 more element

Dependencies are inferred from the claim text.

Fan arrangement

Life of this patent

Fan arrangement

Life of this patent

Abstract

Claims6