Patent · US Active

High efficiency axial fan

US11821436B2 · kind B2 · utility

0Cited by
33References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 27, 2022
Grant dateNov 21, 2023
Priority date
Expiry dateMay 27, 2042

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2250/712
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A condenser fan includes a lock hub and multiple blades that are fastened to the hub. Each of the blades includes six planes, each of which having variable parameters including pitch angle, sickle, chord length, and blade curve. For each embodiment of the evaporator fan, the blades are identically configured.

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