Patent · US Active

Fan impeller blade

US9765793B2 · kind B2 · utility

1Cited by

6References

14Claims

0Family size

Assignee

Regal Beloit America, Inc. · US

Inventors

Rachele Barbara Cocks · Huntington, US
Rafal Pawel Rohoza · Melbourne, AU

Key dates

Filing date	Jun 30, 2014
Grant date	Sep 19, 2017
Priority date	—
Expiry date	Nov 14, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2250/70
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A centrifugal fan impeller includes a front endring, a rear endring, and a plurality of blades coupled between the front and the rear endrings. At least one blade of the plurality of blades includes a blade span extending between the front endring and the rear endring, a leading edge, and a trailing edge. The at least one blade further includes a first elliptical cross-sectional profile extending between the leading and the trailing edges.

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