SUPPRESSION OF BLADE PASSING FREQUENCY TONE IN AUTOMOTIVE AIR HANDLING SYSTEM

A noise tone occurring at a blade passing frequency in a blower for an automotive HVAC system is suppressed. The blower includes a centrifugal fan and a scroll body disposed around the fan. An outlet extends from the scroll body to conduct an air flow from a cutoff point of the scroll body. An inlet...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHENGYU LIU, JOHN AZAR, CURTIS M. JONES
Format: Patent
Sprache:eng
Schlagworte:
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