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AssigneeHitachi, Ltd.
InventorsRyou Akiyama, Shinya Marushima, Manabu Matsumoto, Tsuyoshi Takano
Estimating the term…
In a gas turbine having a structure of collecting a refrigerant after cooling the moving blades, a plurality of wheels having a plurality of moving blades including cooling paths in the outer periphery and a plurality of spacer members are alternately arranged on the rotating axis. A plurality of flow paths through which a refrigerant after cooling the moving blades flows are installed in the spacer members, and the first flow paths interconnect the moving blades arranged on the wheels on the upstream side of gas flow to the downstream side of gas flow of the spacer members, and the second flow paths interconnect the moving blades arranged on the wheels on the downstream side of gas flow to the upstream side of gas flow of the spacer members. The flow paths may be provided with bent parts in the neighborhood of the center of the space members in the axial direction or may be in a linear shape.
A gas turbine comprising a turbine rotor including a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, wherein said spacer member has a plurality of flow paths through which a refrigerant after cooling said moving blades flows and said plurality of flow paths have first flow paths interconnecting to said cooling paths installed in said moving blades on a first wheel neighboring with said spacer member and interconnecting to a first space formed on the side wall surface with which a second wheel neighboring with said spacer member and said spacer member are in contact and second flow paths interconnecting to said cooling paths installed in said moving blades on said second wheel and interconnecting to a second space formed on the side wall surface with which said first wheel and said spacer member are in contact.
A gas turbine comprising a turbine rotor including a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, wherein said spacer member has a plurality of flow paths through which a refrigerant after cooling said moving blades flows and said plurality of flow paths have first flow paths interconnecting to said cooling paths installed in said moving blades on a first wheel neighboring with said spacer member on the upstream side of gas flow and the side of said spacer member on the downstream side of gas flow and introducing said refrigerant and second flow paths interconnecting to said cooling paths installed in said moving blades on a second wheel neighboring with said spacer member on the downstream side of gas flow and the side of said spacer member on the upstream side of gas flow and introducing said refrigerant.
A gas turbine comprising a turbine rotor including a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, wherein said spacer member has a plurality of flow paths through which a refrigerant after cooling said moving blades flows, a first cavity formed at a junction of a first wheel neighboring with said spacer members and said spacer member, and a second cavity formed at a junction of a second wheel neighboring with said spacer member and said spacer member and said plurality of flow paths installed in said spacer member have first flow paths interconnecting said cooling paths installed in said moving blades on said first wheel and said second cavity and second flow paths interconnecting said cooling paths installed in said moving blades on said second wheel and said first cavity.
A gas turbine comprising a turbine rotor including a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, wherein said spacer member has a plurality of flow paths through which a refrigerant after cooling said moving blades flows, a first cavity formed at a junction of a first wheel positioned on the upstream side of gas flow of said spacer member and said spacer member, and a second cavity formed at a junction of a second wheel positioned on the downstream side of gas flow of said spacer member and said spacer member and said plurality of flow paths installed in said spacer member have first flow paths interconnecting said cooling paths installed in said moving blades on said first wheel and said second cavity and second flow paths interconnecting said cooling paths installed in said moving blades on said second wheel and said first cavity.
A gas turbine apparatus comprising a turbine having a turbine rotor which includes a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, a compressor, and a combustor, wherein said spacer member has a plurality of flow paths through which a refrigerant after cooling said moving blades flows and said plurality of flow paths have first flow paths interconnecting to said cooling paths installed in said moving blades on a first wheel neighboring with said spacer member and interconnecting to a first space formed on the side wall surface with which a second wheel neighboring with said spacer member and said spacer member are in contact and second flow paths interconnecting to said cooling paths installed in said moving blades on said second wheel and interconnecting to a second space formed on the side wall surface with which said first wheel and said spacer member are in contact, interconnect said first and second spaces and combustion air flow paths to be supplied to said combustor, supply compressed air extracted from said compressor to said cooling paths of said moving blades as a refrigerant, cool said moving blades, collect a refrigerant after cooling said moving blades via said first and second flow paths, and supply it to combustion air of said combustor.
A gas turbine apparatus comprising a turbine having a turbine rotor which includes a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, a compressor, and a combustor, wherein said spacer member has a plurality of flow paths through which a refrigerant after cooling said moving blades flows and said plurality of flow paths have first flow paths interconnecting to said cooling paths installed in said moving blades on a first wheel neighboring with said spacer member on the upstream side of gas flow and the side of said spacer member on the downstream side of gas flow and introducing said refrigerant after cooling said moving blades and second flow paths interconnecting to said cooling paths installed in said moving blades on a second wheel neighboring with said spacer member on the downstream side of gas flow and the side of said spacer member on the upstream side of gas flow and introducing said refrigerant after cooling said moving blades, supply compressed air extracted from said compressor to said cooling paths of said moving blades as a refrigerant, cool said moving blades, collect a refrigerant after cooling said moving blades via said first and second flow paths, and supply it to combustion air of said combustor.
A gas turbine apparatus comprising a turbine having a turbine rotor which includes a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, a compressor, and a combustor, wherein said spacer member has a plurality of flow paths through which a refrigerant after cooling said moving blades flows, a first cavity formed at a junction of a first wheel neighboring with said spacer member and said spacer member, and a second cavity formed at a junction of a second wheel neighboring with said spacer member and said spacer member and said plurality of flow paths installed in said spacer member have first flow paths interconnecting said cooling paths installed in said moving blades on said first wheel and said second cavity and second flow paths interconnecting said cooling paths installed in said moving blades on said second wheel and said first cavity, supply compressed air extracted from said compressor to said cooling paths of said moving blades as a refrigerant, cool said moving blades, collect a refrigerant after cooling said moving blades via said first and second flow paths, and supply it to combustion air of said combustor.
A gas turbine apparatus comprising a turbine having a turbine rotor which includes a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, a compressor, and a combustor, wherein said spacer member has a plurality of flow paths through which a refrigerant after cooling said moving blades flows, a first cavity formed at a junction of a first wheel positioned on the upstream side of gas flow of said spacer member and said spacer member, and a second cavity formed at a junction of a second wheel positioned on the downstream side of gas flow of said spacer member and said spacer member and said plurality of flow paths installed in said spacer member have first flow paths interconnecting said cooling paths installed in said moving blades on said first wheel and said second cavity and second flow paths interconnecting said cooling paths installed in said moving blades on said second wheel and said first cavity, supply compressed air extracted from said compressor to said cooling paths of said moving blades as a refrigerant, cool said moving blades, collect a refrigerant after cooling said moving blades via said first and second flow paths and said first and second cavities, and supply it to combustion air of said combustor.
A refrigerant collection method of moving blades of a gas turbine comprising a turbine rotor including a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, wherein a plurality of flow paths through which a refrigerant after cooling said moving blades flows are installed in said spacer member and a refrigerant for cooling said moving blades on a first wheel neighboring with said spacer member is introduced from said supply paths formed in said first wheel into said flow paths of said moving blades and said refrigerant after cooling said moving blades is introduced from said cooling paths of said moving blades to first flow paths installed in said spacer member and collected in a first space formed on a junction surface of a second wheel neighboring with said spacer member and said spacer member and a refrigerant for cooling said moving blades on said second wheel neighboring with said spacer member is introduced from said supply paths formed in said second wheel into said flow paths of said moving blades and said refrigerant after cooling said moving blades is introduced from said cooling paths of said moving blades to second flow paths installed in said spacer members and collected in a second space formed on a junction surface of said first wheel and said spacer member.
A refrigerant collection method of moving blades of a gas turbine comprising a turbine rotor including a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, wherein in said moving blades installed in a first wheel neighboring with said spacer member, a refrigerant passing inside is introduced in from the upstream side of gas flow and introduced out on the downstream side of gas flow, and said introduced refrigerant is introduced and collected on the downstream side of gas flow of said spacer member via first flow paths formed in said spacer member and in said moving blades installed in a second wheel neighboring with said spacer member, a refrigerant passing inside is introduced in from the downstream side of gas flow and introduced out on the upstream side of gas flow, and said introduced refrigerant is introduced and collected on the upstream side of gas flow of said spacer member via second flow paths formed in said spacer member.
A refrigerant collection method of moving blades of a gas turbine comprising a turbine rotor including a plurality of moving blades having cooling paths through which a refrigerant flows inside, a plurality of wheels having said moving blades in the outer periphery, and at least a spacer member installed between said neighboring wheels, wherein in said moving blades installed in a first wheel neighboring with said spacer members on the upstream side of gas flow, a refrigerant passing inside is introduced in from the upstream side of gas flow and introduced out on the downstream side of gas flow, and said refrigerant introduced out from said moving blades is introduced and collected in a first cavity formed in a junction surface of a second wheel neighboring on the downstream side of gas flow of said spacer member and said spacer member via first flow paths formed in said spacer member and in said moving blades installed in said second wheel, a refrigerant passing inside is introduced in from the downstream side of gas flow and introduced out on the upstream side of gas flow, and said refrigerant introduced out from said moving blades is introduced and collected in a second cavity formed in a junction surface of said first wheel and said spacer member via second flow paths formed in said spacer member.
Dependencies are inferred from the claim text.