Stainless double tube exhaust manifold

Details Stainless double tube exhaust manifold Stainless double tube exhaust manifold

1998-08-07

2000-07-04

Denion, Thomas

Power plants

Internal combustion engine with treatment or handling of...

Common receiver having inlets from plural cylinder

2989008, 60322, F01N 710

Patent

active

060821043

ABSTRACT:
An exhaust manifold has inner and outer tubes made of stainless steel and welded to flanges provided at inlet ports of the exhaust manifold, from which exhaust gas discharged from an engine enters the exhaust manifold. The inner tube has flat portions, and shield plates disposed within the inner tube protect the flat portions from being directly vibrated by pressure waves of the exhaust gas. Accordingly, the vibration of the flat portions is lowered, so that high frequency noise from the exhaust manifold is reduced.

REFERENCES:
patent: 4689952 (1987-09-01), Arthur et al.
patent: 5220789 (1993-06-01), Riley et al.
patent: 5253680 (1993-10-01), Matsumoto
patent: 5351483 (1994-10-01), Riley et al.
patent: 5419127 (1995-05-01), Moore, III
patent: 5682741 (1997-11-01), Auguatin et al.
patent: 5706655 (1998-01-01), Kojima et al.

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