ACOUSTIC PROTECTION COVER FOR MOTOR VEHICLE ENGINE

• Main Authors: RIBES STEPHANE, DREZET DAVID, DEVISMES BERTRAND
• Format: Patent
• Language: Chinese; English
• Published: 17.04.2020
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention concerns a cover (1) comprising a porous sound-absorbing shell (3) made from fibres linked together by a bonding agent and a foam sub-layer (4) associated with the back of said shell over substantially the entire surface of same, said shell comprising two parts (5a, 5b, 5c) arranged edge-to-edge so as to be able to move relative to each other, said sub-layer being made from elastically deformable foam and extending between said parts, such that said cover can be elastically deformed, in order to facilitate the assembly of same onto said engine while avoiding breaking said shell. 本发明涉及一种罩(1)，罩包括：由通过粘合剂连接在一起的纤维制成的用于吸音的多孔的外壳(3)；与外壳背面基本在其整个表面上相结合的泡沫底层(4)，外壳包括两个部分(5a、5b、5c)，所述两个部分边对边并排布置，以便能够相对于彼此移动，所述泡沫底层由可弹性变形的泡沫制成并延伸于所述两个部分之间，使得罩能弹性变形，以便于防音罩组装到发动机上，同时避免外壳破裂。