EMISSIONS CONTROL SYSTEM FOR A GAS TURBINE ENGINE
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United States of America Patent
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Issued Date -
May 12, 2016
app pub date -
Nov 12, 2014
filing date -
Nov 12, 2014
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Abstract
An emissions control system (10) for a gas turbine engine (12) for reducing CO emissions at partial load of the gas turbine engine (12) is disclosed. In at least one embodiment, the emissions control system (10) may be formed from one or more compressed air exhausts (14) for exhausting compressed air into a hot gas pathway contained within a channel (18) formed by a transition (20) extending from a combustor (22) to a turbine assembly (24). In at least one embodiment, a plurality of seals (26) may extend circumferentially around the transition (20) providing a seal (26) between the transition (20) and a component of a downstream turbine assembly (24). One or more compressed air exhausts (14) may be positioned between adjacent seals (26). The compressed air exhausts (14) may be, but are not limited to being, channels (30), orifices (34) and metered spaces (32) having various shapes and configurations.
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