Patent ID: 9376960
Filing Date: 2016-06-28
CPC Classification: F02C,F05D,F28F

Claim Text:
1. A turbine engine, comprising: a compressor for pressurizing air to generate compressed air; a combustion chamber for mixing said compressed air with fuel and combusting for generating a stream of hot combustion gases; a turbine section for extracting energy from said stream of hot combustion gases; a plurality of channel walls including a heat transfer augmented channel wall exposed to a flow path of said stream of hot combustion gases in at least one of said combustion chamber and said turbine section, said heat transfer augmented channel wall comprising: a bulk portion; a wall surface, and a plurality of multi-portion indented features arranged in a two-dimensional (2D) array that is periodic in both dimensions of said 2D and is in a staggered row configuration extending from said wall surface into said bulk portion, wherein said multi-portion indented features each comprise: