COOLING CIRCUITS FOR MULTI-WALL BLADE

• Main Authors: FOSTER GREGORY THOMAS, SMITH AARON EZEKIEL
• Format: Patent
• Language: English; Japanese
• Published: 29.06.2017
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; COMBUSTION ENGINES; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; ENGINE PLANTS IN GENERAL; GAS-TURBINE PLANTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ENGINES; WEAPONS

PROBLEM TO BE SOLVED: To provide cooling circuits for a multi-wall blade.SOLUTION: A cooling system according to an embodiment includes: a leading edge (14, 16) cooling circuit including a pressure side (8) serpentine circuit and a suction side serpentine (10) circuit; a first mid-blade cooling circuit including a suction side (10) serpentine circuit; a second mid-blade cooling circuit including a pressure side serpentine circuit (8); a trailing edge (14, 16) cooling circuit; and at least one air feed for supplying cooling air (32, 34, 36, 50, 52, 60, 132, 232, 332) to the leading edge (14, 16) cooling circuit, the first mid-blade cooling circuit, the second mid-blade cooling circuit, and the trailing edge (14, 16) cooling circuit.SELECTED DRAWING: Figure 4 【課題】 多重壁ブレードのための冷却回路を提供すること。【解決手段】 １つの実施形態による冷却システムは、正圧側面（８）蛇行回路及び負圧側面（１０）蛇行回路を含む前縁（１４、１６）冷却回路と、負圧側面（１０）蛇行回路を含む第１の中間ブレード冷却回路と、正圧側面（８）蛇行回路を含む第２の中間ブレード冷却回路と、後縁（１４、１６）冷却回路と、冷却空気（３２、３４、３６、５０、５２，６０、１３２、２３２、３３２）を前縁（１４、１６）冷却回路、第１の中間ブレード冷却回路、第２の中間ブレード冷却回路及び後縁（１４、１６）冷却回路に供給するための少なくとも１つの空気供給部と、を含む。【選択図】 図４