Turbofan and mold manufacturing the same

Details Turbofan and mold manufacturing the same Turbofan and mold manufacturing the same

2006-10-17

2006-10-17

Verdier, Christopher (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

C416S188000, C416S22300B, C416S234000

Reexamination Certificate

active

07121799

ABSTRACT:
A mold to mold an integral turbofan having a rotating plate joined to a drive motor, an outer ring concentrically disposed outside of the rotating plate with a spacing therebetween, a plurality of blades radially arranged on a front face of the rotating plate and integrally connected at rear ends thereof to the rotating plate and the outer ring, and a shroud integrally formed with front ends of the blades. The mold includes a first half having first, second and third front parts forming a front face of the rotating plate, the shroud and the outer ring, respectively, and a second half combining with the first half, and including a first rear part forming a rear face of the rotating plate, a plurality of second rear parts forming a rear face of the shroud and the blades, and a third rear part forming a rear face of the outer ring.

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