Knuckle joint for an exhaust system

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 27/053 (2006.01) F01N 13/08 (2010.01) F01N 13/18 (2010.01) F16L 27/04 (2006.01) F01N 13/02 (2010.01)

Patent

CA 2282829

A knuckle joint (18) for the exhaust system of an internal combustion engine comprises first and second pipe segments (20, 22), the second pipe segment having an outwardly deformed end portion (24) which enters with clearance into a flared end portion (26) of the first pipe segment. There is a flange (32) on the first pipe segment and a flange (34) on the second pipe segment. A plurality of circumferentially spaced bolts (36) pass through corresponding holes in the flanges, there being a nut (40) on each of the bolts. On each bolt there is a coil spring (38) between the flanges, and a coil spring (42) between the flange (32) and the nut.

La présente invention concerne une genouillère (18) destinée à un système d'échappement d'un moteur à combustion interne, comprenant un premier et un second segments de tuyau (20, 22); la partie terminale (24) du second segment de tuyau étant déformée vers l'extérieur et séparée d'une partie terminale à bout évasé (26) du premier segment de tuyau par un espace intermédiaire. Le premier et le second segments de tuyau sont pourvus de rebords (32, 34). Une pluralité de boulons (36) circonférentiellement espacés passent à travers des trous correspondants dans les rebords, un écrou (40) étant monté sur chaque boulon. Sur chaque boulon, un ressort à boudin (38) est placé entre les bords et un ressort à boudin (42) est placé entre le rebord (32) et l'écrou.

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