A HEATING VENTILATION AND AIR CONDITIONING SYSTEM WITH SOUND ABSORPTION MEANS
The invention concerns a Heating Ventilation and Air Conditioning system (10) for a vehicle comprising a main housing (2) characterized in that said main housing (2) comprises a first sound absorption means in form of at least one internal air duct (3) disposed therein and adapted to guide at least...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The invention concerns a Heating Ventilation and Air Conditioning system (10) for a vehicle comprising a main housing (2) characterized in that said main housing (2) comprises a first sound absorption means in form of at least one internal air duct (3) disposed therein and adapted to guide at least a portion of fluid flowing there through;wherein said internal air duct (3) comprises an air tight and noise permeable material adapted to absorb and dissipate at least a portion of acoustic energy of noise for at least partially attenuating the noise. |
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