SCREW COOLING FOR A FLUID FLOW MACHINE

摘要

The invention relates to a fluid flow machine comprising a housing composed of a housing upper part (1) and a housing lower part (2) wherein the housing upper part (1) is connected to the housing lower part (2) via a pin screw (3) and has a cooling duct (4) which is connected on the one hand to the flow duct (13) with a vapour at a relative high pressure and on the other hand to a cooling duct outlet (6) which is connected to the exhaust steam space.