Patent ID: 8864469
Filing Date: 2014-10-21
Classification: F01D,F05D

Abstract:
1. An air cooled turbine rotor blade comprising: a leading edge region; a trailing edge region; a middle region with a pressure side wall and a suction side wall; the leading edge region having a pressure side feed channel and a suction side feed channel separated by a middle rib; a first row of exit slots opening on a surface of the leading edge region of the blade; a first row of cooling channels formed in a pressure side wall of the leading edge region and having inlets connected to the pressure side feed channel and outlets connected to a common exit slot in the first row of exit slots; a second row of exit slots opening on a surface of the leading edge region of the blade; a second row of cooling channels formed in the middle rib and having inlets connected to the pressure side feed channel and outlets connected to a common exit slot in the second row of exit slots; a third row of exit slots opening on a surface of the leading edge region of the blade; and, a third row of cooling channels formed in a suction side wall of the leading edge region and having inlets connected to the suction side feed channel and outlets connected to a common exit slot in the third row of exit slots.