Exhaust manifold
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 16, 1999
Grant Date -
N/A
app pub date -
May 23, 1997
filing date -
May 23, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The exhaust manifold has a plurality of individual pipes each having an inlet which is detachably connected to an exhaust gas outlet of an internal combustion engine. Each individual pipe has a catalytic converter section which makes an angle with the inlet, defines a catalytic converter axis and contains catalyst means for the catalytic treatment of the exhaust gas. In a cross-section at right angles to the catalytic converter axis, the catalyst means have a cross-sectional area which is greater than the inlet orifice area of the inlet so that the catalyst means cause only a relatively low resistance to flow when exhaust gas is passed through.
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