US 11,859,819 B2
Ceramic composite combustor dome and liners
Ryan Christopher Jones, West Chester, OH (US); Shai Birmaher, Cincinnati, OH (US); Nicholas John Bloom, Maineville, OH (US); Daniel J. Kirtley, Blue Ash, OH (US); Gerardo Antonio Salazar Lois, West Chester, OH (US); Anquan Wang, Mason, OH (US); and Trevor James Hahm, Cincinnati, OH (US)
Assigned to GENERAL ELECTRIC COMPANY, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Oct. 15, 2021, as Appl. No. 17/451,102.
Prior Publication US 2023/0119008 A1, Apr. 20, 2023
Int. Cl. F23R 3/00 (2006.01); F23R 3/60 (2006.01); F02C 3/04 (2006.01)
CPC F23R 3/002 (2013.01) [F02C 3/04 (2013.01); F23R 3/007 (2013.01); F23R 3/60 (2013.01); F05D 2220/32 (2013.01); F05D 2240/35 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A combustor for a turbomachine engine, the combustor comprising:
a support structure made of metal and comprising an outer channel, an inner channel, and a structural mount defining a forward end of the outer channel and a forward end of the inner channel, the structural mount extending from the forward end of the outer channel to the forward end of the inner channel;
a dome made of a ceramic matrix composite (CMC) material and being secured within the support structure, wherein an outer end of the dome is secured within the outer channel and an inner end of the dome is secured within the inner channel;
an outer liner made of the CMC material, the outer liner being secured to the dome within the support structure, wherein the outer liner is secured to the support structure at the outer end of the dome; and
an inner liner made of the CMC material, the inner liner being secured to the dome within the support structure, wherein the inner liner is secured to the support structure at the inner end of the dome.
 
17. A turbomachine engine comprising:
(A) a fan assembly that provides intake air to a compressor section;
(B) a turbine section that drives the compression section; and
(C) a combustor arranged to receive compressed air from the compressor section and to provide hot gas to the turbine section, the combustor comprising:
(a) a support structure made of metal and comprising an outer channel, an inner channel, and a structural mount defining a forward end of the outer channel and a forward end of the inner channel, the structural mount extending from the forward end of the outer channel to the forward end of the inner channel;
(b) a dome made of a ceramic matrix composite (CMC) material and being secured within the support structure of the combustor, wherein an outer end of the dome is secured within the outer channel and an inner end of the dome is secured within the inner channel;
(c) an outer liner made of the CMC material, the outer liner being secured to the dome within the support structure, wherein the outer liner is secured to the support structure at the outer end of the dome; and
(d) an inner liner made of the CMC material, the inner liner being secured to the dome within the support structure, wherein the inner liner is secured to the support structure at the inner end of the dome.