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公开(公告)号：US11840939B1
公开(公告)日：2023-12-12
申请号：US17835091
申请日：2022-06-08
CPC分类号： F01D5/141 , F01D5/189 , F04D29/324 , F04D29/384 , F04D29/544 , F05D2220/323 , F05D2240/303 , F05D2240/304 , F05D2260/202
摘要： A turbine engine includes a compressor section, a combustion section, and a turbine section. Fuel combusted in the combustion section drive stages of airfoils in the turbine section to drive the compressor section. The airfoils can include a geometry near or at the trailing edge with a linear portion provided between the pressure side and a first curved portion, to reduce shock generated in the wake of the airfoils.
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公开(公告)号：US20230399951A1
公开(公告)日：2023-12-14
申请号：US17835091
申请日：2022-06-08
CPC分类号： F01D5/189 , F01D5/12 , F01D5/141 , F01D25/12 , F05D2220/323 , F05D2260/202 , F05D2240/304 , F05D2240/303 , F05D2240/35
摘要： A turbine engine includes a compressor section, a combustion section, and a turbine section. Fuel combusted in the combustion section drive stages of airfoils in the turbine section to drive the compressor section. The airfoils can include a geometry near or at the trailing edge with a linear portion provided between the pressure side and a first curved portion, to reduce shock generated in the wake of the airfoils.
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公开(公告)号：US20230235680A1
公开(公告)日：2023-07-27
申请号：US17649030
申请日：2022-01-26
CPC分类号： F01D11/20 , F01D7/00 , F01D25/005
摘要： A rotor blade system includes a rotor, a casing radially spaced apart from the rotor, and a plurality of blades coupled to the rotor and positioned between the rotor and the casing. The one or more of the plurality of blades have a radial length different from a remaining one or more of the plurality of blades so as to vary a tip gap between a tip of the one or more of the plurality of blades and the casing to break up a frequency content of a leakage vortex at the tip to modify natural frequencies of the plurality of blades and mode shapes to reduce or substantially eliminate flutter.
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