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1. (WO2018164149) COOLING STRUCTURE FOR TURBINE BLADE
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Pub. No.: WO/2018/164149 International Application No.: PCT/JP2018/008644
Publication Date: 13.09.2018 International Filing Date: 06.03.2018
IPC:
F01D 5/18 (2006.01) ,F01D 9/02 (2006.01) ,F02C 7/18 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
D
NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5
Blades; Blade-carrying members; Heating, heat-insulating, cooling, or antivibration means on the blades or the members
12
Blades
14
Form or construction
18
Hollow blades; Heating, heat-insulating, or cooling means on blades
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
D
NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
9
Stators
02
Nozzles; Nozzle boxes; Stator blades; Guide conduits
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
C
GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
7
Features, component parts, details or accessories, not provided for in, or of interest apart from, groups F02C1/-F02C6/158; Air intakes for jet-propulsion plants
12
Cooling of plants
16
characterised by cooling medium
18
the medium being gaseous, e.g. air
Applicants:
川崎重工業株式会社 KAWASAKI JUKOGYO KABUSHIKI KAISHA [JP/JP]; 兵庫県神戸市中央区東川崎町3丁目1番1号 1-1, Higashikawasaki-cho 3-chome, Chuo-ku, Kobe-shi, Hyogo 6508670, JP
Inventors:
都留 智子 TSURU, Tomoko; JP
石田 克彦 ISHIDA, Katsuhiko; JP
Agent:
杉本 修司 SUGIMOTO, Shuji; JP
野田 雅士 NODA, Masashi; JP
堤 健郎 TSUTSUMI, Takeo; JP
中田 健一 NAKADA, Kenichi; JP
金子 大輔 KANEKO, Daisuke; JP
Priority Data:
2017-04592610.03.2017JP
Title (EN) COOLING STRUCTURE FOR TURBINE BLADE
(FR) STRUCTURE DE REFROIDISSEMENT POUR AUBE DE TURBINE
(JA) タービン翼の冷却構造
Abstract:
(EN) This cooling structure for a turbine blade (1) is provided with: a cooling passage (17) formed between a first blade wall (3) that is curved in a concave shape with respect to a high-temperature gas flow passage (GP) and a second blade wall (5) that is curved in a convex shape; and a lattice structure (23) formed by superposing, in a lattice shape, a plurality of main ribs (31A, 31B) provided on both wall surfaces facing the cooling passage, wherein the lattice structure (23) has sub ribs (37A, 37B) which are integrally formed on the main ribs (31A, 31B) so as to protrude into a lattice flow passage (35) formed between the main ribs adjacent to each other, and the sub rib (37A) disposed on the inner wall surface of the first blade wall and the sub rib (37B) disposed on the inner wall surface of the second blade wall are provided at positions which do not overlap each other.
(FR) Cette structure de refroidissement pour une aube de turbine (1) comporte: un passage de refroidissement (17) formé entre une première paroi d'aube (3) qui est incurvée dans une forme concave par rapport à un passage d'écoulement de gaz à haute température (GP) et une seconde paroi d'aube (5) qui est incurvée dans une forme convexe; et une structure de treillis (23) formée en superposant, en forme de treillis, une pluralité de nervures principales (31A, 31B) disposées sur les deux surfaces de paroi faisant face au passage de refroidissement. La structure de treillis (23) comporte des sous-nervures (37A, 37B) qui sont formées d'un seul tenant sur les nervures principales (31A, 31B) de manière à faire saillie dans un passage d'écoulement en treillis (35) formé entre les nervures principales adjacentes l'une à l'autre, et la sous-nervure (37A) disposée sur la surface de paroi interne de la première paroi d'aube et la sous-nervure (37B) disposée sur la surface de paroi interne de la seconde paroi d'aube sont disposées à des positions qui ne se chevauchent pas l'une sur l'autre.
(JA) タービン翼(1)を冷却する構造において、高温ガス流路(GP)に対して凹状に湾曲する第1翼壁(3)と、凸状に湾曲する第2翼壁(5)との間に形成された冷却通路(17)と、前記冷却通路に面する両壁面上に設けられた複数の主リブ(31A,31B)を格子状に重ねて構成したラティス構造体(23)とを設け、ラティス構造体(23)に、隣接する主リブ間に形成されたラティス流路(35)に突出するように前記主リブ(31A,31B)に一体的に設けられた副リブ(37A,37B)を有し、前記第1翼壁の内壁面に設けられた副リブ(37A)と前記第2翼壁の内壁面に設けられた副リブ(37B)とが互いに重ならない位置に設けられている。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)