Importance

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Abstract

A crankcase of an internal combustion engine including an outer coolant jacket and a drain channel, which leads through an other wall of the crank case from the outside into the outer coolant jacket, further including a closure element which sits with a closure section in the drain channel and closes the drain channel, an outer coolant jacket, and a closure element, which sits with a closure section in the drain channel and closes the drain channel. An inner coolant jacket and a connecting channel, which connects the inner coolant jacket to the outer coolant jacket. The closure element has an extension section which is accommodated in the connecting channel and forms a gap-shaped passage with the latter.

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First Claim