Internal combustion engine with at least two cylinder banks
AssigneeDaimlerChrysler AG
InventorsJosef Günther, Herbert Klein, Dieter Langrock
Life of this patent
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Abstract
In a multi-cylinder internal combustion engine having at least two cylinder banks each with an exhaust system including a catalytic converter, wherein one of the cylinder banks can be deactivated when the engine operates only under partial load, the exhaust systems have exhaust pipe sections which are interconnected by a cross-over structure disposed upstream of the catalytic converters so that exhaust gas can flow also through the catalytic converter of the deactivated cylinder bank, and a length compensating element is disposed in at least one of the exhaust pipe sections and the cross-over structure.
Claims6
A multi-cylinder internal combustion engine comprising at least two cylinder banks each having an exhaust system including a catalytic converter and one of said cylinder banks being deactivatable during partial load operation of said engine when not all of said cylinder banks are needed for generation of power, said exhaust systems including exhaust pipe sections extending between said cylinder banks and said catalytic converters and being interconnected by a cross-over structure arranged upstream of said catalytic converters, and a length compensating element disposed in at least one of said exhaust pipe sections and said cross-over structure.
Dependencies are inferred from the claim text.