Flexible coupler apparatus

Details Flexible coupler apparatus Flexible coupler apparatus

1999-04-16

2000-08-29

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

285 49, 285299, 285330, 285906, F16L 1112

Patent

active

06109661&

ABSTRACT:
A flexible coupler apparatus for joining successive exhaust system components in an exhaust system for a vehicle. An inner liner tube is concentrically received by an outer liner tube. A substantially porous, non-sealing, vibration absorbing spacer member is arranged between the liner tubes where they overlap, to preclude direct contact between the liner tubes. The spacer member is non-sealing to preclude deterioration while minimizing interference with the reciprocation and articulation of the liner tubes. A flexible, resilient sealing member, such as a bellows, mechanically and sealingly connects the liner tubes at their distant non-overlapped ends, to prevent escape of exhaust gases. The liner tubes and the spacer member are provided with a non-circular, preferably polygonal or lobed, cross-sectional configurations, for providing protection of the bellows from torsional forces being propagated from one of the exhaust system components, toward the other.

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