Motor-fan assembly having a tapered fan with a concave underside
AssigneeAmetek, Inc.
InventorDavid B. FINKENBINDER
Life of this patent
Estimating the term…
Abstract
A motor-fan unit includes an end plate assembly, a motor assembly supported by the end plate assembly, and a shaft rotated by the motor assembly and extending through the end plate assembly. The fan assembly further includes a fan secured to the rotatable shaft which is supported by the end plate assembly. The fan includes a fan disc having a substantially frusto-conical shape, a fan ring having a substantially frusto-conical shape, and a plurality of vanes connecting the fan disc to the fan ring such that the frusto-conical shapes are substantially parallel to one another. A diffuser with a tapered fan side is also provided between the fan and the end plate assembly, wherein the tapered fan side is substantially parallel with the fan disc.
Claims11
A motor-fan unit comprising:
- an end plate assembly;
- a motor assembly supported by said end plate assembly;
- a shaft rotated by said motor assembly and extending through said end plate assembly;
- and
- a fan assembly supported by said end plate assembly, said fan assembly comprising a fan secured to said rotatable shaft;
- said fan comprising:
- a fan disc having a substantially frusto-conical shape;
- a fan ring having a substantially frusto-conical shape;
- and
- a plurality of vanes connecting said fan disc to said fan ring such that the frusto-conical shapes are substantially parallel to one another.
Dependencies are inferred from the claim text.