Exhaust manifold joint

Details Exhaust manifold joint Exhaust manifold joint

1994-11-09

1996-10-22

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having vibration attenuating, or expansion and contraction...

60323, F01N 710

Patent

active

055665489

ABSTRACT:
An exhaust manifold joint includes a number of like exhaust manifold segments mounted to a corresponding number of cylinder heads of a large diesel engine. The exhaust manifold segments slip relative one another to accommodate thermal growth differentials between the exhaust manifold segments and the cylinder head. The exhaust manifold segments are further mounted to the cylinder head via fasteners that extend through a bolt hole of the exhaust. manifold. The bolt hole incorporates a reverse counterbore at the manifold to cylinder head attachment to move loading of the fastener away from the attachment, thereby resulting in elastic deformation rather than yielding of the fastener during loading of the fastener.

REFERENCES:
patent: 4205527 (1980-06-01), Rudert
patent: 4214444 (1980-07-01), Fujioka
patent: 4658580 (1987-04-01), Schley
patent: 5311738 (1994-05-01), Huster

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