A gas turbine engine including a compressor section, a combustor section including a combustor, a turbine section, a gaseous fuel supply conduit with an upstream section and a downstream section, a fuel booster, and a heat exchanger is provided. The fuel booster is located in the gaseous fuel supply
A gas turbine engine including a compressor section, a combustor section including a combustor, a turbine section, a gaseous fuel supply conduit with an upstream section and a downstream section, a fuel booster, and a heat exchanger is provided. The fuel booster is located in the gaseous fuel supply conduit. The fuel booster has a driving expander with a driving fluid inlet and a driving fluid outlet for discharging expanded air and a fuel compressor with a low pressure fuel inlet connected to the upstream section of the gaseous fuel supply conduit and a high pressure fuel outlet connected to the downstream section of the gaseous fuel supply conduit. The heat exchanger is located between the driving fluid on the one side and the gaseous fuel on the other side so that a heat transfer between the air and the gaseous fuel is possible.
대표청구항▼
1. A gas turbine engine, comprising: a compressor section;a combustor section including a combustor;a turbine section;a gaseous fuel supply conduit with an upstream section and a downstream section;a fuel booster located in the gaseous fuel supply conduit, the fuel booster comprising: a driving expa
1. A gas turbine engine, comprising: a compressor section;a combustor section including a combustor;a turbine section;a gaseous fuel supply conduit with an upstream section and a downstream section;a fuel booster located in the gaseous fuel supply conduit, the fuel booster comprising: a driving expander with a driving fluid inlet and a driving fluid outlet,a fuel compressor including a fuel inlet, the fuel inlet being connected to the upstream section, the fuel compressor also including a fuel outlet, the fuel outlet being connected to the downstream section; anda heat exchanger,wherein the downstream section is connected to the combustor for delivering a gaseous fuel to the combustor,wherein the driving fluid inlet is in flow connection with a compressed air outlet of the compressor section, from which the driving fluid inlet receives compressor air, such that a driving fluid of the expander includes the compressor air received from the compressor section,wherein the heat exchanger is located between the driving fluid on one side and the gaseous fuel on the other side such that a heat transfer takes place between the driving fluid and the gaseous fuel,wherein the fuel booster is located on a bleed chamber, andwherein the bleed chamber is in flow connection with the compressor flow between a compressor inlet and the compressor air outlet. 2. The gas turbine engine as claimed in claim 1, wherein the heat exchanger is located between the driving fluid upstream of the driving fluid inlet of the expander and the gaseous fuel flowing out of the fuel outlet of the fuel compressor. 3. The gas turbine engine as claimed in claim 1, wherein the heat exchanger is located between the driving fluid upstream of the driving fluid inlet of the expander and the gaseous fuel upstream of the fuel inlet of the fuel compressor. 4. The gas turbine engine as claimed in claim 1, wherein the heat exchanger is located between the driving fluid flowing out of the driving fluid outlet of the expander and the gaseous fuel upstream of the fuel inlet of the fuel compressor. 5. The gas turbine engine as claimed in claim 1, wherein the heat exchanger is located between the driving fluid flowing out of the driving fluid outlet of the expander and the gaseous fuel flowing out of the fuel outlet of the fuel compressor. 6. The gas turbine engine as claimed in claim 1, wherein a cooling channel is located in the combustor section or in the turbine section, andwherein the driving fluid outlet is in flow connection with the cooling channel. 7. The gas turbine engine as claimed in claim 6, wherein an opening connects the cooling channel to a flow path for hot combustion gas in the combustor or the turbine section. 8. The gas turbine engine as claimed in claim 1, wherein the driving fluid outlet is in flow connection with the compressor inlet. 9. A combined cycle engine, comprising: a compressor section;a combustor section including a combustor;a gas turbine section;a gaseous fuel supply conduit with an upstream section and a downstream section;a fuel booster located in the gaseous fuel supply conduit, the fuel booster comprising: a driving expander with a driving fluid inlet and a driving fluid outlet, anda fuel compressor including a fuel inlet and a fuel outlet;a heat exchanger,wherein the downstream section is connected to the combustor for delivers a gaseous fuel,wherein the driving fluid inlet is in flow connection with a heat recovery steam generator which receives unexpanded steam,wherein the driving fluid outlet discharges expanded steam,wherein the fuel inlet is connected to the upstream section of the gaseous fuel supply conduit,wherein the fuel outlet is connected to the downstream section of the gaseous fuel supply conduit, andwherein the heat exchanger is located between the unexpanded steam or the expanded steam on one side and the gaseous fuel on the other side, such that a heat transfer takes place between the steam and the gaseous fuel.
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이 특허에 인용된 특허 (16)
Glickstein Marvin R. (North Palm Beach FL), Aircraft cooling method.
Cloyd Scott T. (Lake Mary FL) Hindle Robert A. (Cocoa Beach FL) Brown Stephen W. (Oviedo FL), System for capturing heat transferred from compressed cooling air in a gas turbine.
Faulkner Henry B. (Dover MA) Kesseli James B. (Mont Vernon NH) Swarden Michael C. (Cambridge MA) Jansen Willem (Weston MA), Turbocharger-based bleed-air driven fuel gas booster system and method.
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