Patent · US Active

Blower fan and air conditioner having same

US11041506B2 · kind B2 · utility

1Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 4, 2016
Grant dateJun 22, 2021
Priority date
Expiry dateJan 10, 2038

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2240/307
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Disclosed are: a blower fan capable of reducing noise and power consumption; and an air conditioner having the same. The present device comprises: a hub connected to a driving member so as to receive rotating power; and a plurality of wings radially arranged along the circumference of the hub, wherein the plurality of wings can comprise: uneven parts formed at trailing edges, which are the rear edge portions of each wing, with respect to the rotational direction thereof; and tail wing parts formed on the outer sides of the uneven parts so as to have convex parts protruding farther than the uneven parts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.