公开(公告)号：US20170114648A1

公开(公告)日：2017-04-27

申请号：US14923697

申请日：2015-10-27

Applicant: General Electric Company

Inventor： Rohit Chouhan ,  Shashwat Swami Jaiswal ,  Stephen Paul Wassynger

IPC: F01D5/18 ,  F01D9/02 ,  F01D5/02

CPC classification number: F01D5/187 ,  F01D5/02 ,  F01D5/225 ,  F01D9/02 ,  F05D2220/32 ,  F05D2240/304 ,  F05D2260/20

Abstract: A turbine bucket according to various embodiments includes: a base; a blade coupled to the base and extending radially outward from the base, the blade including: a body having: a pressure side; a suction side opposing the pressure side; a leading edge between the pressure side and the suction side; and a trailing edge between the pressure side and the suction side on a side opposing the leading edge; a plurality of radially extending cooling passageways within the body; and at least one bleed aperture fluidly coupled with at least one of the plurality of radially extending cooling passageways, the at least one bleed aperture extending through the body at the trailing edge; and a shroud coupled to the blade radially outboard of the blade.

公开(公告)号：US20170114645A1

公开(公告)日：2017-04-27

申请号：US14923685

申请日：2015-10-27

Applicant: General Electric Company

Inventor： Rohit Chouhan ,  Shashwat Swami Jaiswal ,  Zachary James Taylor

IPC: F01D5/18 ,  F01D17/10 ,  F01D5/02 ,  F01D5/22 ,  F01D9/02

CPC classification number: F01D5/18 ,  F01D5/02 ,  F01D5/187 ,  F01D5/225 ,  F01D9/02 ,  F01D11/08 ,  F01D17/105 ,  F05D2220/32 ,  F05D2260/20

Abstract: A turbine bucket according to embodiments includes: a base; a blade coupled to the base, extending radially outward from the base, and including: a body having: a pressure side; a suction side opposing the pressure side; a leading edge between the pressure side and the suction side; and a trailing edge between the pressure side and the suction side on a side opposing the leading edge; and a plurality of radially extending cooling passageways within the body; and a shroud coupled to the blade radially outboard of the blade, including: a plurality of radially extending outlet passageways fluidly connected with a first set of the plurality of radially extending cooling passageways within the body; and an outlet path extending at least partially circumferentially through the shroud and fluidly connected with all of a second, distinct set of the plurality of radially extending cooling passageways within the body.