An air extraction system includes an air inlet, an air extractor in an acoustic air duct extending from the air inlet to the air extractor. The acoustic air duct includes an outer wall defining an elongated airflow passageway and a plurality of channels extending along and dividing the airflow passageway within the outer wall. A first channel of the plurality of channels includes alternating expansion chambers and constriction zones.
ACOUSTIC AIR DUCT AND AIR EXTRACTION SYSTEM WITH NESTING EXPANSION CHAMBERS
2018-10-04
Patent
Electronic Resource
English
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
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