Blower and air conditioner outdoor unit with the blower

Details Blower and air conditioner outdoor unit with the blower Blower and air conditioner outdoor unit with the blower

2011-08-23

2011-08-23

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

C415S220000, C416S24400R, C416S24700A, C416S500000

Reexamination Certificate

active

08002519

ABSTRACT:
A blower is provided with an axial flow impeller7, a fan motor8positioned in a suction side of the axial flow impeller7, and a motor stay9supporting the fan motor8. The motor stay9is substantially formed to have a linear shape and attached in parallel to a rotating surface of the axial flow impeller7. An impeller blade front edge17of the axial flow impeller7is positioned in a region X which is closer to the motor stay9than a region Y in which an air flow turbulence in a wake flow of the motor stay9is expanded, and in which region X a range of the air flow turbulence is reduced. Accordingly, it is possible to inhibit the air flow turbulence in the wake flow of the motor stay9from affecting the aerodynamic characteristics and noise characteristics (for example, an increase of an NZ noise) of the axial flow impeller7.

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