Method and apparatus for improving the gas flow in an internal combustion engine exhaust manifold
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United States of America Patent
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Sep 15, 1981
Grant Date -
N/A
app pub date -
Jan 18, 1978
filing date -
Jan 24, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and exhaust manifold for damping the pressure oscillations in an exhaust manifold of an internal combustion engine, consisting in throttling the gas flow in the vicinity of the cylinder outlet and then in accelerating the gases flowing in the manifold by providing a uniform flow section in the manifold substantially smaller than that of the cylinder bore.
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