# US 2013/0152599 A1 · Hydrocarbon film protected refractory carbide components and use > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0152599 A1 - Document ID: US20130152599A1 - Status: Published application - Kind: A1 - Application number: 13/328,704 - Filed: 2011-12-16 - Published: 2013-06-20 - Earliest claimed: 2011-12-16 - Assignees: General Electric Company - Inventors: William Paul MINNEAR; Ronald Scott BUNKER; Narendra Digamber JOSHI; Andrei Tristan EVULET - Web page: https://patentgrep.com/patent/US20130152599A1 ## CPC - F02C 7/16: characterised by cooling medium - C04B 41/0072: {Heat treatment} - C04B 41/009: {characterised by the material treated} - C04B 41/80: of only ceramics - F01D 15/10: Adaptations for driving, or combinations with, electric generators - F01D 25/12: Cooling - F02C 7/12: Cooling of plants (of component parts, see the relevant subclasses, e.g. F01D; cooling of engines in general F01P) - F05D 2260/232: characterized by the cooling medium - Y02T 50/60: Efficient propulsion technologies, e.g. for aircraft - F02C: GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines F01D; jet-propulsion plants F02K; construction of compressors or fans F04; generating combustion products of high pressure or high velocity F23R; using gas turbines in compression refrigeration plants F25B11/00) - C04B: LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE {(roofing granules E04D7/005)}; CERAMICS (devitrified glass-ceramics C03C10/00); REFRACTORIES; TREATMENT OF NATURAL STONE - F01D: NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive displacement pumps F04D) - F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A turbine power generation system with enhanced stabilization of refractory carbides provided by hydrocarbon from high carbon activity gases is disclosed. The disclosure also includes a method of using high carbon activity gases to stabilize hot gas path components. ## Claims ### Claim 1 A method for stabilizing a refractory carbide hot gas path component comprising: combusting a fuel in a combustor; and delivering a high carbon activity gas to at least a portion of a hot gas path component thermally coupled to a hot gas path, wherein at least a portion of the hot gas path component comprises refractory carbide. ### Claim 2 (depends on 1) The method of claim 1, further comprising selectively controlling a flow of the high carbon activity gas to the hot gas path. ### Claim 3 (depends on 1) The method of claim 1, wherein the hot gas path component is selected from a combustor, a vane, a blade, a rocket, a ram jet, a scram jet and a shroud. ### Claim 4 (depends on 1) The method of claim 1, wherein the hot gas path component comprises a portion of a turbine system. ### Claim 5 (depends on 4) The method of claim 4, wherein the turbine system comprises: the combustor configured to combust air with the fuel to produce an exhaust gas stream; a turbine configured to convert energy of the exhaust stream into useful mechanical energy; and a first conduit configured to deliver the high carbon activity gas to the hot gas path. ### Claim 6 (depends on 5) The method of claim 5, wherein the turbine system further includes at least one of: a compressor configured to compress air; a valve configured to selectively control an amount of the high carbon activity gas distributed to the hot gas path; a generator configured to convert mechanical energy produced by the turbine into electrical energy; and a shaft linking the compressor, the turbine, and the generator to allow mechanical energy produced by the turbine to be utilized by the generator and the compressor. ### Claim 7 (depends on 5) The method of claim 5, wherein the delivering the high carbon activity gas forms a film of cover gas on a surface of the hot gas path component. ### Claim 8 (depends on 1) The method of claim 1, wherein the high carbon activity gas comprises at least one hydrocarbon fuel. ### Claim 9 (depends on 8) The method of claim 8, wherein the high carbon activity gas further comprises carbon dioxide. ### Claim 10 (depends on 9) The method of claim 9, comprising sequestering the carbon dioxide from an exhaust stream of the turbine system in a reservoir. ### Claim 11 (depends on 1) The method of claim 1, wherein said refractory carbide comprises a ceramic matrix composite. ### Claim 12 A turbine power generation system, comprising: a plurality of hot gas path components comprising a combustor and a turbine, said combustor configured to combust a mixture of air with a fuel to produce an exhaust gas stream, and said turbine configured to convert energy of said exhaust stream into useful mechanical energy; and wherein said plurality of hot gas path components is thermally coupled to a hot gas path; and a first conduit configured to deliver a high carbon activity gas to at least one hot gas path component of said plurality of hot gas path components; wherein a refractory carbide comprises at least a portion of said plurality of hot gas path components. ### Claim 13 (depends on 12) The turbine power generation system according to claim 12, further comprising a valve configured to selectively control an amount of said high carbon activity gas delivered to said hot gas path. ### Claim 14 (depends on 12) The turbine power generation system according to claim 12, wherein said combustor comprises a Coanda nozzle. ### Claim 15 (depends on 12) The turbine power generation system according to claim 12, further comprising at least one of: a compressor configured to compress air; a generator configured to convert mechanical energy produced by said turbine into electrical energy; and a shaft linking said compressor, said turbine, and said generator to allow mechanical energy produced by said turbine to be utilized by said generator and said compressor. ### Claim 16 (depends on 12) The turbine power generation system according to claim 12, wherein said refractory carbide comprises a ceramic matrix composite. ### Claim 17 A cooling system for a hot gas path component, said system comprising: a hot gas path component; and a first conduit configured to deliver a high carbon activity gas to said hot gas path component, wherein said high carbon activity gas forms a film of cover gas on a surface of said hot gas path component. ### Claim 18 (depends on 17) The cooling system according to claim 17, wherein said hot gas path component is selected from a combustor, a vane, a blade, a rocket, a ram jet, a scram jet and a shroud.