Exhaust device of eight-cylinder engine

Details Exhaust device of eight-cylinder engine Exhaust device of eight-cylinder engine

2007-07-26

2010-12-28

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Common receiver having inlets from plural cylinder

C060S289000, C060S293000, C060S313000, C060S322000, C060S324000, C440S08800J, C440S08800J, C440S08900C, C440S08900C, C440S08900C

Reexamination Certificate

active

07856812

ABSTRACT:
An exhaust device of an eight-cylinder engine can include first to eighth cylinders and a manifold. The first to eighth cylinders are ignited in that order. The exhaust manifold includes first to eighth upstream exhaust pipes extending respectively from the first to eighth cylinders. The first to fourth midway exhaust pipes can extend respectively from a joined portion of the first and fifth upstream exhaust pipes, a joined portion of the second and sixth upstream exhaust pipes, a joined portion of the third and seventh upstream exhaust pipes, and a joined portion of the fourth and eighth upstream exhaust pipes. A downstream exhaust pipe can connect extended ends of the first to fourth midway exhaust pipes to the ambient atmosphere.

REFERENCES:
patent: 2926647 (1960-03-01), Welch
patent: 3708980 (1973-01-01), Truxell
patent: 4197704 (1980-04-01), Date et al.
patent: 5351481 (1994-10-01), Flugger
patent: 5471835 (1995-12-01), Friedman
patent: 6962049 (2005-11-01), Ashida et al.
patent: 7634908 (2009-12-01), Chu
patent: 2000-265836 (2000-09-01), None

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