Importance

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Abstract

An internal combustion engine includes a cylinder case forming a plurality of coolant outlets, and an exhaust log structure disposed on the cylinder case and including inner and outer walls defining a coolant jacket therebetween, a plurality of coolant inlets extending through the outer wall and being fluidly connected to the coolant jacket, and a plurality of transfer housings. Each transfer housing includes an inner housing wall forming a gas passage, an outer housing wall disposed at an offset distance around the inner housing wall such that a cooling passage is defined in a space between the inner and outer housing walls, and a coolant inlet and a coolant outlet in fluid communication with the cooling passage. The plurality of coolant inlets is fluidly connected to the plurality of coolant outlets via the cooling passages in the plurality of transfer housings.

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First Claim