An acoustic insulation system (10) for an internal combustion engine (20) mounted on a vehicle (1) includes: an acoustic insulation cover (50) configured to cover the internal combustion engine (20) with a gap interposed between the acoustic insulation cover (50) and the internal combustion engine (20). The acoustic insulation cover (50) includes a cover front portion (cover pieces 52, 54, 56 and 58) that faces forward of the vehicle (1). The cover front portion includes: a plurality of inlets (62, 64) for introducing the outside air into the interior of the acoustic insulation cover (50); and a plurality of inlet flaps (66, 68) configured to respectively open and close the plurality of inlets (62, 64). The acoustic insulation system (10) further includes a control device (80) configured to control the opening and closing of the plurality of inlet flaps (66, 68).
ACOUSTIC INSULATION SYSTEM FOR INTERNAL COMBUSTION ENGINE
SCHALLDÄMMUNGSSYSTEM FÜR EINEN VERBRENNUNGSMOTOR
SYSTÈME D'ISOLATION ACOUSTIQUE POUR MOTEUR À COMBUSTION INTERNE
2020-10-14
Patent
Electronic Resource
English
ACOUSTIC INSULATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
European Patent Office | 2020
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