Fuel injector, combustor, and gas turbine
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United States of America Patent
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Jun 1, 2021
Grant Date -
Jul 11, 2019
app pub date -
Mar 18, 2019
filing date -
Oct 18, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An injector includes: an upstream support plate into which a fuel gas is to be introduced and which has a shape of a tapered cylinder with a diameter which enlarges; a downstream support plate that defines a plenum at an inner side along with the upstream support plate; and premixing tubes, each of which is supported by the upstream support plate and the downstream support plate and is configured to introduce air. The premixing tubes are disposed in circular rows at equal intervals in a circumferential direction, and portions of the premixing tubes which are located in the plenum include fuel introducing holes.
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