Electronically controlled electric fan cooled by pressurized...

Details Electronically controlled electric fan cooled by pressurized... Electronically controlled electric fan cooled by pressurized...

2007-11-13

2007-11-13

Hyeon, Hae Moon (Department: 2839)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S691000

Reexamination Certificate

active

11152096

ABSTRACT:
An electronically controlled electric fan (10) cooled by pressurized ambient air, includes:a motor (11) furnished with a cover (12), a mechanical assembly rotating a wheel (15) and a casing (13), the motor housing at least its electronic control circuit (14) and includes at least one inlet orifice (I) and one outlet orifice (S) for the pressurized ambient air,a fan wheel (15) and a mechanical assembly rotating this wheel,a motor support (16),the ambient air being suitable for passing through the motor, and its mechanical assembly and the support, the electric fan including:a confinement element (20) placed inside the motor so as to confine the pressurized ambient air between:a heat sink (18) integral with the electronic control circuit (14),and a portion of the motor including no sensitive electronic components.

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