Patent ID: 11965523
Assignee: PATTERSON FAN COMPANY
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A fan apparatus comprising:
a housing having an enlarged portion defining at least one air intake and an outlet portion defining an outlet port;
said outlet port having a width and a height, the width being greater than the height;
a blower wheel supported in said enlarged portion of said housing for rotation about an axis, said blower wheel having a plurality of fan blades;
a driver connected to the blower wheel to cause rotation of the blower wheel; and
a flow straightener assembly in the outlet portion of the housing, said flow straightener assembly having:
first and second fins spaced apart from one another and oriented substantially orthogonal to the axis of the blower wheel, wherein the first and second fins are located at less than 20 percent and greater than 80 percent of the width of the outlet port, respectively;
third and fourth fins outside of a respective one of the first and second fins, the third and fourth fins being oriented substantially parallel to the axis of the blower wheel; and
a fifth fin extending between said first and second fins, said fifth fin being oriented substantially parallel to the axis of the blower wheel, said fifth fin having a rearward length less than 60% that of said third and fourth fins.