F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
60/174
F02C 3/14 (2006.01) F23R 3/00 (2006.01)
Patent
CA 1123212
D-2989 C-3118 Abstract of the Disclosure A transpiration air cooled combustor assembly for a gas turbine engine includes an annular liner of laminated metal with an inner sheet and an outer sheet having a plurality of mechanically formed holes therein on either side of a mechanically pressed waffle patterned core sheet with offset depressings and dimples on either face thereof; the dimples have raised lands bonded to the inner and outer sheets, small cross passages are drilled in the core sheet so that the margins of the cross passages are located in spaced relationship to the land surfaces thereby to prevent burr formation disruption of the bond joints; the core sheet has a total metal mass equivalent to the original metal mass prior to press displacement of metal to form the depressions and dimples therein except for the metal removed by formation of the cross passages which communicate offset depressions on opposite sides of the core sheet to form a tortuous intercommunicating flow path through said annular liner between holes in the inner and outer sheets for flow of coolant there- through.
345863
Meginnis George B.
Spees John A.
General Motors Corporation
Gowling Lafleur Henderson Llp
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