Exhaust manifold assembly in an internal combustion engine

Details Exhaust manifold assembly in an internal combustion engine Exhaust manifold assembly in an internal combustion engine

1998-05-29

2000-01-04

Denion, Thomas

Power plants

Internal combustion engine with treatment or handling of...

Common receiver having inlets from plural cylinder

60322, 60272, F01N 710

Patent

active

06009706&

ABSTRACT:
An exhaust manifold assembly including a one-point junction type exhaust manifold, whereby the occurrence of exhaust interference is prevented by a large capacity portion formed at a junction of the branch pipes. The large capacity portion has a capacity larger than the capacity of each branch pipe. Both torque and output can be improved, the size of the exhaust manifold can be reduced, and layout restrictions can be eliminated. The exhaust manifold assembly includes an exhaust manifold attached to the internal combustion engine, the internal combustion engine having a plurality of cylinders, and a manifold cover disposed to shut out heat and sound from the exhaust manifold. the exhaust manifold also includes branch pipes respectively provided with branched exhaust passages in communication with exhaust ports of the internal combustion engine, wherein the exhaust manifold is a one-point junction type manifold, and a large capacity portion is formed at a junction of the branch pipes, the large capacity portion having a capacity larger than the capacity of each branch pipe.

REFERENCES:
patent: 4022019 (1977-05-01), Garcea
patent: 5572868 (1996-11-01), Okamoto et al.
patent: 5606857 (1997-03-01), Harada
patent: 5689954 (1997-11-01), Blocker et al.

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