Patent ID: 8641362

Claim:
An industrial gas turbine engine exhaust cylinder comprising: an inlet end connected to receive a turbine exhaust gas flow and an outlet end; an outer diameter cylinder and an inner diameter cylinder forming a flow path through the exhaust cylinder for the turbine exhaust gas; a fairing having an airfoil shape extending from the outer diameter cylinder to the inner diameter cylinder; a strut extending from an outer casing to an inner casing and passing through the fairing with a space formed between the fairing and the strut for cooling air to flow; a manway located downstream from the fairing and extending through the outer diameter cylinder to the inner diameter cylinder and opening into an enclosure formed within the inner diameter cylinder; a blower secured to the manway outside of the outer diameter cylinder; and, the blower pushing cooling air through the manway and into the enclosure and then through the space formed between the fairing and the strut to provide cooling for the inner casing and the strut.