Gregory Woodcock - Mesa AZ, US Charles Silcox - Tempe AZ, US Thomas Strangman - Prescott AZ, US Luis Flamand - Phoenix AZ, US Hiroshi Kawamura - Glendale AZ, US
Assignee:
Honeywell International Inc. - Morristown NJ
International Classification:
F23R 3/42
US Classification:
060754000
Abstract:
A method for combined effusion and thick TBC cooling comprises a providing a substrate, depositing a thick TBC onto the substrate and laser drilling an array of effusion holes through the TBC coated substrate. The thick TBC has a columnar crack structure, which gives compliance and spall resistance. The microstructure of the segmentation microcracked TBC reduces cracking and chipping of the TBC during effusion hole laser drilling.
Morris Anderson - Mesa AZ, US Hiroshi Kawamura - Glendale AZ, US Luis Flamand - Phoenix AZ, US
Assignee:
Honeywell International Inc. - Morristown NJ
International Classification:
F23R 3/42
US Classification:
060754000
Abstract:
A combustor liner for shielding an engine from heat generated in a combustion zone includes a sheet with a cool surface for intercepting a cooling air stream and a hot surface enclosing the combustion zone, the combustor liner further including an array of effusion holes extending from the cool surface to the hot surface to allow a portion of the cooling air stream to pass through the effusion holes into the combustion zone, where a portion of the array includes a plurality of upstream-pointed effusion holes oriented such that each upstream-pointed effusion hole has an orientation obtuse to a direction of main flow in the combustion zone so as to control the momentum of cooling air passing into the combustion zone.
Combustor With Fuel Staggering For Flame Holding Mitigation
David Kaylor Toronto - Greenville SC, US Kwanwoo Kim - Mason OH, US Abdul Rafey Khan - Greenville SC, US Luis Flamand - Greenville SC, US
Assignee:
GENERAL ELECTRIC COMPANY - Schnectady NY
International Classification:
F02C 3/30
US Classification:
60 3952
Abstract:
The present application provides a combustor. The combustor may include an air flow path with a flow of air therein. A flow obstruction may be positioned within the air flow path and cause a wake or a recirculation zone downstream thereof. A number of fuel injectors may be positioned downstream of the flow obstruction. The fuel injectors may inject a flow of fuel into the air flow path such that the flows of fuel and air in the wake or the recirculation zone do not exceed a flammability limit.
Donald Mark Bailey - Simpsonville SC, US Jonathan Dwight Berry - Simpsonville SC, US Luis Manuel Flamand - Greenville SC, US Kwanwoo Kim - Mason OH, US Patrick Benedict Melton - Horse Shoe NC, US Robert Joseph Rohrssen - Simpsonville SC, US John Drake Vanselow - Taylors SC, US
Assignee:
GENERAL ELECTRIC COMPANY - Schenectady NY
International Classification:
F23C 3/00
US Classification:
60746
Abstract:
A gas turbine engine combustor is provided and includes an array of fuel nozzles, a combustion casing assembly disposed about the array of fuel nozzles and an end cap assembly disposed within the combustion casing assembly to define with the combustion casing assembly an axis-symmetric annulus through which fluid travels into each of the fuel nozzles, at least one of the combustion casing assembly and the end cap assembly being formed with lobed, three-dimensional contouring.
Luis Manuel Flamand - Simpsonville SC, US Kwanwoo Kim - Cincinnati OH, US Patrick Benedict Melton - Horse Shoe NC, US
Assignee:
GENERAL ELECTRIC COMPANY - Schenectady NY
International Classification:
B05B 1/26
US Classification:
239518
Abstract:
A system for conditioning flow through a combustor includes a nozzle, and a shroud circumferentially surrounds at least a portion of the nozzle. The shroud defines an upstream opening, and a plurality of vanes extends radially inward from the shroud. A circumferential slot extends through the shroud between the upstream opening and the plurality of vanes.
Luis Manuel Flamand - Simpsonville SC, US Kwanwoo Kim - Cincinnati OH, US Patrick Benedict Melton - Horse Shoe NC, US Jonathan Dwight Berry - Simpsonville SC, US
Assignee:
GENERAL ELECTRIC COMPANY - Schenectady NY
International Classification:
F23D 11/38
US Classification:
239548
Abstract:
A system for conditioning flow through a plurality of nozzles arranged in a combustor includes a shield circumferentially surrounding at least a portion of the plurality of nozzles and a plurality of baffles disposed circumferentially around the shield. Each baffle is circumferentially disposed between adjacent nozzles.
Combustor With Fuel Staggering For Flame Holding Mitigation
- Schnectady NY, US Kwanwoo Kim - Mason OH, US Abdul Rafey Khan - Greenville SC, US Luis Flamand - Greenville SC, US
International Classification:
F23R 3/28 F23R 3/34
US Classification:
60733, 60737, 60740
Abstract:
The present application provides a combustor. The combustor may include an air flow path with a flow of air therein. A flow obstruction may be positioned within the air flow path and cause a wake or a recirculation zone downstream thereof. A number of fuel injectors may be positioned downstream of the flow obstruction. The fuel injectors may inject a flow of fuel into the air flow path such that the flows of fuel and air in the wake or the recirculation zone do not exceed a flammability limit.
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