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US 10,927,846 B2Granted
Radial fan having an impeller for volume flow measurement
Assigneeebm-papst Mulfingen GmbH & Co. KG
InventorsOliver Haaf, Thomas Heli, Daniel Gebert, Peter Riegler, Valerius Schaaf
Life of this patent
Estimating the term…
Abstract
A radial fan has a housing with a motor-drivable fan wheel. The fan wheel generates an air volume flow during operation. The housing has a blow-out portion (4) with an impeller (5). The impeller (5) has a plurality of impeller blades (7) spaced apart in the circumferential direction. The impeller (5) is driven by the air volume flow generated by the fan wheel.
Claims16
A radial fan having a housing and a motor-drivable fan wheel that generates an air volume flow during operation, the housing comprises:
- a blow-out portion, an impeller arranged in the blow-out portion, the impeller including a plurality of impeller blades spaced apart in the circumferential direction, the impeller is driven, via the impeller blades, by the air volume flow, the impeller comprises a support ring arranged axially spaced apart from the impeller blades, the support ring engages the blow-out portion of the housing and secures the impeller on the housing.
Dependencies are inferred from the claim text.