Diagonal fan wheel with increased strength

US11732728B2 · kind B2 · utility

Assignee

• ebm-papst Mulfingen GmbH & Co. KG · DE

Inventors

• Daniel Gebert · Winnweiler, DE
• Werner Haas · Dunningen, DE
• Wolfgang Laufer · Schenkenzell, DE
• Tobias Sieger · Geisingen, DE
• Eugen Usselmann · Bad Dürrheim, DE

Key dates

• Filing date: Dec 13, 2018
• Grant date: Aug 22, 2023
• Expiry date: Mar 24, 2039

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2300/44
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A diagonal fan wheel (1) has a cover disk (2) and a bottom disk (3). A plurality of three-dimensionally curved blades (S) are arranged between the cover disk (2) and bottom disk (3). The blades (S) are connected to the cover disk (2) and bottom disk (3) in a materially bonded manner.