Internal combustion engine provided with a sound-insulating...

Details Internal combustion engine provided with a sound-insulating... Internal combustion engine provided with a sound-insulating...

F - Mech Eng,Light,Heat,Weapons

02

B

172/20

F02B 77/13 (2006.01)

Patent

CA 1297413

ABSTRACT INTERNAL COMBUSTION ENGINE PROVIDED WITH A SOUND INSULATING ENCLOSURE An internal combustion engine is provided with a sound-insulating enclosure (2), which defines a sealed passage extending through the enclosure. A passage which extends through the enclosure it sealed by a sealing ring ( 9), which consists of a rubber-elastic material and is disposed between an inner flanged ring (7), which is secured to the engine, and an outer flanged ring (8), which is secured to the enclosure (2). In order to provide sealing means which are saticfactory for a passage for the exhaust manifold (3), the inner flanged ring (7) carries a protective shield (10), which shields the inside surface o* the sealing ring (9) and which defines with the sealing ring (9) a clearance (12), which contains a heat-resisting and sound-absorbing insulating material (11).

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