# US 10,480,418 B2 · Gas turbine energy supplementing systems and heating systems, and methods of making and using the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,480,418 B2 - Document ID: US10480418B2 - Status: Granted - Kind: B2 - Application number: 15/730,179 - Filed: 2017-10-11 - Published: 2018-02-01 - Granted: 2019-11-19 - Earliest claimed: 2012-10-26 - Assignees: Powerphase LLC - Applicants: PowerPHASE LLC - Inventors: Robert J. Kraft; Joshua Kraft - Web page: https://patentgrep.com/patent/US10480418B2 ## CPC - F02C 7/36: Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user ({F02C3/107 - F02C3/13 and} F02C7/32 take precedence; couplings for transmitting rotation F16D; gearing in general F16H) - F01D 13/02: Working-fluid interconnection of machines or engines - F01K 25/14: using industrial or other waste gases - F02C 6/00: Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use - F02C 6/18: using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants (using waste heat as source of energy for refrigeration plants F25B27/02; using the waste heat of a gasturbine for steam generation or in a steam cycle see F01K23/10) - F02C 7/222: {Fuel flow conduits, e.g. manifolds} - F02C 7/224: Heating fuel before feeding to the burner - F02C 9/40: specially adapted to the use of a special fuel or a plurality of fuels - F16T 1/00: Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers - F23R 3/04: Air inlet arrangements - F23R 3/36: Supply of different fuels - F05D 2220/75: equipment using fuel having a low calorific value, e.g. low BTU fuel, waste end, syngas, biomass fuel or flare gas - Y02E 50/10: Biofuels, e.g. bio-diesel - 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) - F01D: NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive displacement pumps F04D) - F01K: STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES (gas-turbine or jet-propulsion plants F02; nuclear power plants, engine arrangements therein G21D) - F16T: STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS - F23R: GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS (fluidised bed combustion apparatus specially adapted for operation at superatmospheric pressures F23C10/16) - F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract Electrical power systems, including generating capacity of a gas turbine are provided, where additional electrical power is generated utilizing a separate engine and auxiliary air injection system. The gas turbine and separate engine can operate on different fuel types. ## Claims ### Claim 1 A method of increasing output of a gas turbine engine, the method comprising: operating the gas turbine engine on natural gas or a liquid fuel; operating an auxiliary air injection system coupled to a reciprocating engine, the reciprocating engine operating on the natural gas; and, injecting air from the auxiliary air injection system into the gas turbine engine to increase the power output from the gas turbine engine. ### Claim 2 (depends on 1) The method of claim 1, wherein the supply of natural gas is provided via a pipeline to the gas turbine engine. ### Claim 3 (depends on 1) The method of claim 1, wherein the gas turbine engine operates on the liquid fuel during periods where the natural gas is unavailable. ### Claim 4 (depends on 3) The method of claim 3, wherein the gas turbine engine further comprises a fuel inlet valve for selecting between the natural gas and the liquid fuel. ### Claim 5 (depends on 1) The method of claim 1, wherein the natural gas used by the reciprocating engine is less than the natural gas used by the gas turbine engine. ### Claim 6 (depends on 1) The method of claim 1, wherein the reciprocating engine utilizes a portion of the natural gas supplied to the gas turbine engine. ### Claim 7 A method of increasing output of a gas turbine engine, the method comprising: operating the gas turbine engine on natural gas; operating an auxiliary air injection system coupled to a reciprocating engine, the reciprocating engine fueled with a supply of off-take gas from a waste facility; and, injecting air from the auxiliary air injection system into the gas turbine engine to increase the power output from the gas turbine engine. ### Claim 8 (depends on 7) The method of claim 7, wherein the waste facility is a landfill. ### Claim 9 (depends on 7) The method of claim 7 further comprising operating the gas turbine engine on a liquid fuel during periods when natural gas is unavailable. ### Claim 10 (depends on 7) The method of claim 7 wherein the natural gas is supplied to the gas turbine engine through a pipeline. ### Claim 11 A method of increasing output of a gas turbine engine, the method comprising: operating the gas turbine engine on natural gas; storing liquefied natural gas as a back-up fuel source to the gas turbine engine; operating an auxiliary air injection system coupled to a reciprocating engine, the reciprocating engine operating on off-gas from the stored liquefied natural gas; and, injecting air from the auxiliary air injection system into the gas turbine engine to increase the power output from the gas turbine engine. ### Claim 12 (depends on 11) The method of claim 11 further comprising operating the gas turbine engine on a liquid fuel when the natural gas is unavailable. ### Claim 13 (depends on 11) The method of claim 11 further comprising operating the gas turbine engine on a liquid natural gas when the natural gas is unavailable. ### Claim 14 A method of increasing output of a gas turbine, the method comprising: operating the gas turbine on natural gas; transitioning operation of the gas turbine to a liquid fuel; operating an auxiliary air injection system coupled to a reciprocating engine, the reciprocating engine operating on the natural gas; and, injecting air from the auxiliary air injection system into the gas turbine to increase power output from the gas turbine while the gas turbine is operating on natural gas, switching to the liquid fuel, or operating on the liquid fuel. ### Claim 15 (depends on 14) The method of claim 14, wherein the supply of natural gas is provided to the gas turbine via a pipeline. ### Claim 16 (depends on 14) The method of claim 14, wherein the gas turbine operates on the liquid fuel during periods where the natural gas is unavailable. ### Claim 17 (depends on 16) The method of claim 16, wherein the gas turbine further comprises a fuel inlet valve for selecting between the natural gas and the liquid fuel. ### Claim 18 (depends on 14) The method of claim 14, wherein the natural gas used by the reciprocating engine is less than the natural gas used by the gas turbine. ### Claim 19 (depends on 14) The method of claim 14, wherein the reciprocating engine utilizes a portion of the natural gas supplied to the gas turbine.