Patent · US Active

Fan hub configuration for an electric motor assembly

US11859634B2 · kind B2 · utility

1Cited by
83References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 2019
Grant dateJan 2, 2024
Priority date
Expiry dateDec 8, 2041

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2260/94
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A electric motor assembly includes an electric motor and a fan assembly coupled to the electric motor and configured to rotate therewith about an axis. The fan assembly includes a hub including a core ring, a first inner ring circumscribing the core ring, and a first plurality of circumferentially-spaced ribs extending between the core ring and the first inner ring. The hub also includes a second inner ring circumscribing the first inner ring and a second plurality of circumferentially-spaced ribs extending between the first inner ring and the second inner ring, and a plurality of circumferentially-spaced blades coupled to an outer periphery of the hub.

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