Thin-walled double pipe exhaust manifold

Details Thin-walled double pipe exhaust manifold Thin-walled double pipe exhaust manifold

1995-05-26

1998-01-13

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having vibration attenuating, or expansion and contraction...

60323, F01N 710

Patent

active

057066558

ABSTRACT:
A thin-walled double pipe exhaust manifold comprises a double pipe consisting of a comparatively thin inner tube and a comparatively thick outer tube, both spaced apart from each other adiabatically through an aperture defined between these tubes. The inner tube is formed with at least one bead portion for relieving thermal stresses induced in the inner tube. To effectively reduce thermal stresses by way of thermal expansion or contraction, the bead portion is provided around each heat spot similarly to the temperature distribution of each heat spot.

REFERENCES:
patent: 5349817 (1994-09-01), Bekkering
patent: 5419127 (1995-05-01), Moore

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