Patent · US Active

Fan and inner rotor motor thereof

US8579609B2 · kind B2 · utility

2Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 2008
Grant dateNov 12, 2013
Priority date
Expiry dateMay 18, 2030

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04D29/646
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A fan includes an impeller and an inner rotor motor. The inner rotor motor connects to the impeller and drives it to rotate. The inner rotor motor includes a bushing, a shaft, a magnetic conducting shell, a magnetic element and a stator. The shaft passes through the bushing and is coupled to the impeller. The magnetic conducting shell is coupled to the shaft and telescoped to the bushing. The magnetic element is disposed around outside of the magnetic conducting shell. The stator is disposed around outside of the magnetic element.

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