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US 8,910,470 B2Granted
Exhaust system having a flow rotation element and method for operation of an exhaust system
AssigneeFord Global Technologies, LLC
InventorsMohammad Ali Moetakef, Steve Poe, Abdullahi Hajiabdi
Life of this patent
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Abstract
An exhaust system in an engine is provided. The exhaust system includes an exhaust manifold include at least one exhaust runner having an inlet and a flow rotation element including at least one vane, the flow rotation element positioned in the inlet of the exhaust runner swirling exhaust airflow entering the exhaust runner.
Claims20
An exhaust system in an engine, comprising:
- an exhaust manifold including at least one exhaust runner having an inlet coupled to a cylinder head;
- and
- a flow rotation element including at least one vane, the flow rotation element positioned in the inlet of the exhaust runner swirling exhaust airflow entering the exhaust runner.
A method for an engine exhaust system, comprising:
- flowing exhaust gas into an exhaust passage in a cylinder head from a combustion chamber;
- flowing exhaust gas from the exhaust passage to a flow rotation element, the flow rotation element including a plurality of vanes and positioned in an inlet of an exhaust runner in an inlet of an exhaust manifold coupled to the cylinder head;
- and
- generating flow rotation in the exhaust gas flowing through the flow rotation element.
1 more element
An exhaust system in an engine, comprising:
- an exhaust manifold including at least one exhaust runner having an inlet coupled to a cylinder head;
- and
- a flow rotation element including a plurality of vanes, the flow rotation element positioned in the inlet of the exhaust runner swirling exhaust airflow entering the exhaust runner.
Dependencies are inferred from the claim text.