摘要:
PROBLEM TO BE SOLVED: To provide a seal ring capable of being easily detached from and attached on a turbine rotor and reducing cost by improving workability, and its mounting method. SOLUTION: The seal ring 6 is formed in a C-shape in which both end parts in a circumference direction face via a slit 60, and is provided with an inner diameter side locked part 61 locked to an inner diameter side locking part 13 of a rotor disk 1 from a radial direction inside, and an outer diameter side locked part 62 locked to an outer diameter side locking part 24 of a moving blade segment 2S from a radial direction outside. Also, the seal ring 6 is provided with a first hooking part 63 and a second hooking part 64 on which attaching and detaching tools 8A, 8B are hooked, the first hooking part 63 is positioned separately in radial direction outside of the second hooking part 64. COPYRIGHT: (C)2007,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a gas turbine engine system that can achieve high efficiency while using sunlight as a heat source.SOLUTION: A gas turbine engine system (E) includes: a compressor (1) that compresses a first working medium (M1); a heater (3) that heats the compressed first working medium by a heat source from the outside; a turbine (5) that extracts power from the first working medium; and an intercooler (9) that is provided in the compressor (1) so as to cool the first working medium compressed by a low-pressure compression part (1a) of the compressor and to supply the working medium to a high-pressure compression part of the compressor. The gas turbine engine system is further provided with an organic Rankine cycle engine (RU1) that uses organic matter, being a cooling medium of the intercooler (9), as a second working medium (M2).
摘要:
PROBLEM TO BE SOLVED: To provide a sealing mechanism including a multistage brush seal, demonstrating stable sealing performance over a long period of time. SOLUTION: This sealing mechanism (47) sealing a portion between a high-pressure area (H) and a low-pressure area (L) includes: a plurality of brush seal stages (55, 56, 57) sealing an air flow from the high-pressure area (H) to the low-pressure area (L); and a bypass passage (BP) diverting a part of the air flow from at least one downstream brush seal stage (57) of the plurality of brush seal stages. COPYRIGHT: (C)2011,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a gas turbine power generating system capable of performing power supply coping with increase/decrease of power demand while utilizing solar light as a heat source.SOLUTION: A power generating system having a gas-turbine engine utilizing solar light includes: a compressor (1) which compresses air (A), which is a working medium; a solar light heater (3) which heats the air compressed at the compressor with solar light being a heat source; a hydrogen combustor (5) which burns the air compressed at the compressor with hydrogen being fuel; a turbine (7) which extracts power from high temperature gas (HG) which was heated by at least one of the solar light heater and the hydrogen combustor; a power generator (9) which is driven by the turbine; and at least one hydrogen generating device (25) which generates hydrogen by decomposing water by utilizing the output of the turbine or the exhaust heat from the turbine, and supplies the hydrogen to the hydrogen combustor.
摘要:
PROBLEM TO BE SOLVED: To provide an external combustion type brayton cycle engine that can acquire high efficiency while employing solar light as a heat source.SOLUTION: An external combustion type Brayton cycle engine (E) taking helium as a working medium (WM), comprises a compressor (1) for compressing the working medium (WM), a turbine (5) for taking out power from the working medium (WM), a cooler (39) for cooling the working medium (WM) discharged from the turbine to supply it to the compressor (1) and a heater (3) arranged between the compressor (1) and the turbine (5) to heat the working medium (WM) taking solar light (SL) as a heat source.
摘要:
PROBLEM TO BE SOLVED: To provide a complex gas turbine engine system that achieves high efficiency by extremely effectively using exhaust heat of a gas turbine engine.SOLUTION: A gas turbine engine system (E) includes: a compressor (1) that compresses a first working medium (M1); a heater (3) that heats the compressed first working medium (M1) by means of an external heat source; a turbine (5) that extracts power from the first working medium; an intercooler (9) that is provided in the compressor so as to cool the first working medium compressed by a low-pressure compression part (1a) of the compressor and to supply the working medium to a high-pressure compression part (1b) of the compressor; and an exhaust heat boiler (7) that uses exhaust gas (EG) from the turbine (5) as a heating medium. The gas turbine engine system uses the intercooler (9) and the exhaust heat boiler (7) as heat sources, and is provided with a Rankine cycle engine (RU) that uses a cooling medium of the intercooler (9) as a second working medium (M2).
摘要:
PROBLEM TO BE SOLVED: To provide a reliable gas turbine engine excellent in operation efficiency and capable of efficiently cooling a member positioned radially inside an exhaust diffuser. SOLUTION: The gas turbine engine (1) includes a compressor (3) for compressing air, a combustor (5) for feeding fuel to the compressed air (PA) from the compressor (3) to burn the compressed air, a turbine (7) driven by the combustion gas from the combustor (5), and the annular exhaust diffuser (43) for discharging the exhaust gas from the turbine (7). The gas turbine engine further includes a ventilation passage (VP) connected to the inside of the exhaust diffuser (43) after crossing the exhaust diffuser (43) radially from the outside of the exhaust diffuser (43) and passing a cooling object (57) radially at the inside thereof, and an ejector (61) for utilizing the compressed air (PA) from the compressor (3) and supplying outside air together with the compressed air (PA) to the ventilation passage (VP) as ventilation air (VA). COPYRIGHT: (C)2011,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a casing for a gas turbine capable of preventing deformation of each divided body with flanges of the divided bodies always retained under a close contact condition. SOLUTION: The casing forming a passage 47 for high temperature fluid therein is divided into a plurality of divided bodies 51 by a dividing surface 50 along an axial direction C of a gas turbine 1. Each divided body includes a flange 52 projecting in a radial direction. Mutually adjoining divided bodies 51 are fastened by a plurality of fastening members 53 passing through the flange 52 under a condition where mating surfaces 52a of the flanges 52 mutually contact. Part of the plurality of fastening members 53 are arranged at a first position P1 close to an inner diameter edge 52b of the mating surface 52a, and at least part of remaining fastening members 53 are arranged at a second position P2 far from the inner diameter edge 52b. COPYRIGHT: (C)2007,JPO&INPIT