US Patent 9140270 Centrifugal fan assembly
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Patent abstract
The present invention relates to a centrifugal fan assembly and a HVAC-system, comprising a housing, a blower wheel comprising a plurality of fan blades, the blower wheel being rotatably mounted in the housing and constructed to generate an airflow flowing axially into the blower wheel and radially out from the blower wheel, a guiding vane device including a plurality of guiding vanes, the guiding vane device being coupled to the blower wheel and configured to guide the airflow into the blower wheel.
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US Patent 09140270 Centrifugal fan assembly US Patent 9140270 Centrifugal fan assembly
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Patent Number
09140270
Patent Number
9140270
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US Patent 09140270 Centrifugal fan assembly
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Is a
Patent jurisdiction
Patent number
09140270
Date of patent
September 22, 2015
Patent application number
13231993
Date Filed
September 14, 2011
Patent primary examiner
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