F - Mech Eng,Light,Heat,Weapons – 15 – D
Patent
F - Mech Eng,Light,Heat,Weapons
15
D
F15D 1/02 (2006.01) F01D 25/20 (2006.01) F15D 1/00 (2006.01) F22B 1/18 (2006.01)
Patent
CA 2117870
A duct for joining a higher velocity application to a lower velocity applicationsuch as a heat recovery vapor generator inlet duct apparatus for installation intermediate the exhaust of an associated gas turbine and an associated heat recovery vapor generation apparatus which includes a housing having an inlet and an outlet. The housing has the inlet and the outlet axially offset with respect to each other; and apparatus for directing fluid flow from the inlet to the outlet, the apparatus for directing fluid flow including at least one array of mutually parallel flat plates in stair step relationship extending substantially across the path of gases entering the inlet. In some forms of the invention the apparatus also includes a second array of mutually parallel flat plates in stair step relationship extending substantially across the path of gases exiting through the outlet. The apparatus for directing fluid flow may further include a pressure gradient array and may have a generally L- shaped cross section defined by first and second axial portions, the first portion having a smaller cross-section than the second axial portion, the inlet being in the first portion and the outlet being in the second axial portion. The inlet and the outlet may be disposed in respective faces of the first and second portions that are opposed.
Combustion Engineering Inc.
Smart & Biggar
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