AFT FRAME ASSEMBLY FOR GAS TURBINE TRANSITION PIECE

An aft frame assembly (92) for a gas turbine transition piece (72) has a main body (100) with an upstream facing surface (110) and downstream facing surface (112). Feed hole inlets (120) are located on the upstream facing surface, and each feed hole inlet is coupled to a cooling channel (122) that p...

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Bibliographic Details
Main Authors DAVIS III, Charles Lewis, FELLING, David Kenton
Format Patent
LanguageEnglish
French
German
Published 19.08.2020
Subjects
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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Summary:An aft frame assembly (92) for a gas turbine transition piece (72) has a main body (100) with an upstream facing surface (110) and downstream facing surface (112). Feed hole inlets (120) are located on the upstream facing surface, and each feed hole inlet is coupled to a cooling channel (122) that passes through the main body towards the downstream facing surface. Plenums (124) are located in or near the downstream facing surface. Each cooling channel is connected to and terminates in a plenum. Microchannels (126) are formed in or near the downstream facing surface, and each microchannel is connected to a plenum. The cooling channels are configured as inputs and the microchannels are configured as outputs of the plenums. Two or more of the cooling channels and two or more of the microchannels are connected to one plenum. Exit channels (130) are connected to the microchannels, and exhaust flow out of an upstream facing surface (107) of a seal slot (103).
Bibliography:Application Number: EP20180199069