Patent · US Active

Compact fan

US8992175B2 · kind B2 · utility

6Cited by

17References

17Claims

0Family size

Assignee

ebm-papst Mulfingen GmbH & Co. KG · DE

Inventors

Thomas Heli · Langenburg, DE
Jürgen Schöne · Bad Mergentheim, DE
Christian Haag · Assamstadt, DE
Alfred Korwin · Neuenstein, DE

Key dates

Filing date	Jan 30, 2009
Grant date	Mar 31, 2015
Priority date	—
Expiry date	Nov 9, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2300/43
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a compact fan, comprising a fan wheel, in particular a radial fan wheel (1), which is fastened on a rotor of an external rotor motor (82). The fan wheel (1) is supported between a front plate (8) having an air inlet opening (9), which is central, and a motor mount (11). The front plate (8) and the motor mount (11) are connected to one another via multiple spacers (12), which are disposed around the circumference. The front plate (8) and the motor mount (11) are formed as plastic or metal spray parts. The spacers (12) are formed as plastic or metal parts entirely or partially in one piece to the front plate (8) and/or the motor mount (11).

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