Patent · US Active

Blade of a ventilator wheel, ventilator wheel and axial ventilator

US10519978B2 · kind B2 · utility

1Cited by

2References

13Claims

0Family size

Assignee

ebm-papst Mulfingen GmbH & Co. KG · DE

Inventors

Daniel Gebert · Winnweiler, DE
Erhard Gruber · Satteldorf, DE
Oliver Haaf · Kupferzell, DE
Thorsten Pissarczyk · Gemmingen, DE

Key dates

Filing date	Nov 10, 2015
Grant date	Dec 31, 2019
Priority date	—
Expiry date	Oct 13, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04D29/545
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates in particular to a ventilator wheel of an axial ventilator, which includes multiple blades, each having radially outward extending blade forward edges and radial outer edges on the outlet side, wherein a transition from the radial outer edges to the blade forward edges is formed, in each case with a projection extending in the circumferential direction relative to the adjacent, radially outward extending blade forward edges, wherein a seamless transition is formed from the radial outer edge portion (7) to a region of the respective blade situated radially further inward.

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