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Turbine blade wall cooling device and producing method thereof

A technology of turbine blades and blades, which is applied in the field of core cooling devices inside turbine blades

Inactive Publication Date: 2007-10-17
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The outer suction side panel is placed over the inner suction side panel to form a suction side double wall

Method used

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  • Turbine blade wall cooling device and producing method thereof
  • Turbine blade wall cooling device and producing method thereof
  • Turbine blade wall cooling device and producing method thereof

Examples

Experimental program
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Embodiment Construction

[0018] 1 and 2 show a pressure side double wall 20 of a turbine blade 10 in one embodiment of the invention. This device comprises an outer pressure side plate 30 shown in FIG. 1 and an inner pressure side plate 35 and a plurality of regions 120 for changing the direction of pressure flow shown in FIG. 2 , the outer pressure side plate 30 has a plurality of outer pressure ribs 50, In contrast, the inner pressure side plate 35 has a plurality of inner pressure ribs 55 . The outer pressure side panel 30 is placed over the inner pressure side panel 35 to form the pressure side double wall 20 . The outer pressure ribs 50 are arranged at a first angle 130 relative to the blade span reference line 110 , and the inner pressure ribs 55 are arranged at a second angle 140 relative to the blade span reference line 110 to form a pressure flow direction changing region 120 . The pressure-side double wall 20 is configured such that a coolant 180 in FIG. 1 flows through the pressure-side do...

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PUM

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Abstract

A turbine blade comprises an external pressure side plate (30) comprising a plurality of external pressure ribs (50), an internal pressure side plate (40) comprising a plurality of internal pressure ribs (55), and a plurality of pressure flow redirection areas (120). The external pressure side plate (30) is disposed over the internal pressure side plate (40) to form a pressure side double wall (20). The external pressure ribs (50) are disposed at a first angle with respect to a blade span reference line and the internal pressure ribs (55) are disposed at a second angle with respect to the blade span reference line to form the pressure flow redirection areas (120). The pressure side double wall (20) is configured to pass a coolant through the pressure side double wall (20). A fabrication method aligns the external pressure side plate (30) and the internal pressure side plate (40) to form the pressure flow redirection areas (120) between the external pressure side plate (30) and the internal pressure side plate (40).

Description

technical field [0001] This invention relates to gas turbines and steam turbines, and more particularly to internal core cooling for turbine blades. Turbine blades need to be cooled to reduce the overall temperature of the blade and the maximum temperature of the turbine blade material to ensure that the turbine blade can withstand higher mechanical loads, and related to this is an improved aerodynamic performance structure. Background technique [0002] Steam turbines include, but are not limited to, steam turbine thermal power generation equipment and shipboard steam turbine propulsion equipment. Gas turbines include, but are not limited to, gas turbine thermal power generation equipment and gas turbine aeroengines. Steam turbines typically include a high-pressure turbine section, a low-pressure turbine section, or a combination of both driven in rotation by a steam flow. A gas turbine generally consists of a central engine with a high-pressure compressor to compress the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01D5/18B22C9/04
CPCF05D2240/126F05B2260/2241F05B2250/241F05D2260/22141F05B2250/314Y02T50/676Y02T50/672F05B2240/121Y02T50/673F05D2250/314F05D2250/241F01D5/187Y02T50/60
Inventor R·S·邦克F·J·克卢S·-C·黄
Owner GENERAL ELECTRIC CO