Packaged fan
A packaged fan having a hub, a rotor, fan blades extending outward from said rotor, an electric motor electrically coupled to said rotor, a fan casing surrounding an outside perimeter of said fan blades, and a plurality of support vanes extending from said hub to outside said fan casing and configured to attach to a support structure, the support vanes having planar portion traversing an air flow path, the planar portion having a major plane that is parallel to said air flow path.
1 . A packaged fan, comprising:
a rotor with fan blades extending outward from the rotor;
an electric motor coupled to the rotor; and
a fan casing surrounding an outside perimeter of the fan blades,
wherein a plurality of support vanes extend from the electric motor and through the fan casing to a position outside the fan casing, each support vane of the plurality of support vanes being configured to attach to a support structure and to transmit mechanical loads directly to the support structure.
2 . The packaged fan according to claim 1 , wherein each support vane of the plurality of support vanes have a planar portion traversing an air flow path, the planar portion having a major plane that is parallel to the air flow path.
3 . The packaged fan according to claim 1 , wherein the fan casing is a single integral part.
4 . The packaged fan according to claim 1 , wherein the fan casing comprises multiple segments, and wherein a support vane of the plurality of support vanes extends between two segments of the multiple segments of the fan casing.
5 . The packaged fan according to claim 1 , wherein each support vane of the plurality of support vanes is secured to the fan casing.
6 . The packaged fan according to claim 1 , wherein the electric motor is an internal rotor electric motor.
7 . The packaged fan according to claim 1 , wherein the rotor is positioned downstream of the electric motor.
8 . The packaged fan according to claim 1 , wherein at least one of the plurality of support vanes extends in two directions from the electric motor to outside the fan casing.
9 . The packaged fan according to claim 8 , wherein the at least one of the plurality of support vanes extends from one part of the support structure outside of the fan casing to said electric motor and to another part of the support structure outside of the fan casing.
10 . A packaged fan, comprising:
a rotor with fan blades extending outward from the rotor;
an electric motor operably connected to the rotor;
a fan casing surrounding the fan blades, wherein the fan casing includes a first segment and a second segment, the first segment and the second segment being separable and connected to each other; and
a support vane extending from the electric motor, wherein the support vane passes between the first segment of the fan casing and the second segment of the fan casing.
11 . The packaged fan of claim 10 , wherein the rotor is positioned downstream of the electric motor.
12 . The packaged fan of claim 10 , wherein the support vane is configured to attach to a support structure, to attach to a first part of the support structure, and to attach to a second part of the support structure, and
wherein a first part of the support vane configured to attach to the first part of the support structure is located less than or equal to 180 degrees from a second part of the support vane configured to attach to the second part of the support structure.
13 . The packaged fan of claim 12 , wherein the first part of the support vane and the second part of the support vane are positioned outside a perimeter of the fan casing.
14 . The packaged fan of claim 10 , wherein the electric motor is an internal rotor electric motor.
15 . The packaged fan of claim 10 , wherein the support vane includes a planar portion traversing an air flow path and a major plane that is parallel to the air flow path.
16 . A packaged fan, comprising:
a rotor with fan blades extending outward from the rotor;
an electric motor connected to the rotor, wherein the electric motor is configured to drive the rotor to generate airflow along an airflow axis;
a fan casing surrounding the fan blades, wherein the fan casing includes a flange formed on the fan casing that extends in a direction that is substantially perpendicular to the airflow axis; and
a support vane extending from the electric motor and through the fan casing, wherein the support vane includes:
a portion extending substantially perpendicular to the airflow axis and attached to the flange of the fan casing.
17 . The packaged fan of claim 16 , wherein a distal end of the support vane terminates outside a perimeter of the fan casing at a support structure.
18 . The packaged fan of claim 17 , wherein the distal end extends substantially perpendicular to the airflow axis.
19 . The packaged fan of claim 17 , wherein the support vane is configured to attach to a first segment of the support structure, on which the flange is formed, and to a second segment of the support structure having a second flange.
20 . The packaged fan of claim 16 , wherein the fan casing comprises at least two segments, and wherein the support vane extends from the electric motor and through the fan casing such that the support vane extends between the at least two segments of the fan casing.