Electronically controlled electric fan cooled by pressurized ambient air
First Claim
Patent Images
1. An electronically controlled electric fan (10) cooled by pressurized ambient air, said electric fan comprising:
- a motor (11) furnished with a cover (12), a mechanical assembly rotating a wheel (15) and a casing (13), said motor housing at least its electronic control circuit (14) and comprising at least one inlet orifice (I) and one outlet orifice (S) for the pressurized ambient air, the fan wheel (15), a motor support (16), said ambient air being suitable for passing through the motor, and its mechanical assembly and the support, said electric fan being characterized in that it also comprises;
a confinement means (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 comprising no sensitive electronic components.
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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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Citations
10 Claims
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1. An electronically controlled electric fan (10) cooled by pressurized ambient air, said electric fan comprising:
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a motor (11) furnished with a cover (12), a mechanical assembly rotating a wheel (15) and a casing (13), said motor housing at least its electronic control circuit (14) and comprising at least one inlet orifice (I) and one outlet orifice (S) for the pressurized ambient air, the fan wheel (15), a motor support (16), said ambient air being suitable for passing through the motor, and its mechanical assembly and the support, said electric fan being characterized in that it also comprises;
a confinement means (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 comprising no sensitive electronic components. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification