Title:
Gas turbine blade
Document Type and Number:
Japanese Patent JP6092661
Kind Code:
B2
Abstract:
The gas turbine blade (4) includes a cooling channel (16) formed therein, and a partition (14) disposed on its tip side for isolating the cooling channel (16) from the outside. The partition (14) is integrally formed with a blade portion in a position on its inner side in the radial direction with respect to the tip of the gas turbine blade (4). Reinforcements (19) are provided on the outer side of the partition (14) in the radial direction and on the inner side of the tip end wall (15) extended from the blade portion to connect the partition with the tip end wall (15). Outer surface cooling holes (17) are formedtoextendfromthecoolingchannel (16) into communication with an outer surface of the tip end wall (15), and inner surface cooling holes (18) are formed to extend from the cooling channel (16) into an inner surface of the tip end wall (15) through the partition (14).
Inventors:
Yokoyama Takashi
Application Number:
JP2013042496A
Publication Date:
March 08, 2017
Filing Date:
March 05, 2013
Export Citation:
Assignee:
Mitsubishi Hitachi Power Systems Co., Ltd.
International Classes:
F01D5/18; F01D5/20
Domestic Patent References:
| JP2005054799A | ||||
| JP2007056875A | ||||
| JP2000345803A | ||||
| JP2003056302A |
Foreign References:
| US20030021684 | ||||
| US6056507 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation