EP1674671A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Composite fan containment case for turbine engines
Assignee: General Electric Co
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Filing: 2005-12-20
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Granted: —
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Expires: 2025-12-20
Abstract
Abstract A composite fan casing (40) for a gas turbine engine (10) is provided includes, in an exemplary embodiment, a core (50) having a plurality of core layers (52) of reinforcing fiber bonded together with a thermosetting polymeric resin (54). Each core layer (52) includes a plurality of braided reinforcing fibers with the braids of reinforcing fibers aligned in a circumferential direction.
Inventors
- 👤 Ming Xie
- 👤 Stephen C. Mitchell
- 👤 Donald G. Lachapelle
- 👤 Lee A. Blanton
- 👤 Richard T. Price
- 👤 David W. Crall
- 👤 Frank Worthoff
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 23:14
CPC Classifications
F; F01; F01D; F01D21/00; F01D21/04; F01D21/045; D; D04; D04C; D04C1/00; D04C1/02; F01D25/00; F01D25/24; D10; D10B; D10B2505/00; D10B2505/02; F05; F05D; F05D2300/00; F05D2300/40; F05D2300/44; F05D2300/60; F05D2300/603; F05D2300/70; F05D2300/702; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
51 words
A composite fan casing for a gas turbine engine, said casing comprising a core having a plurality of core layers of reinforcing fiber bonded together with a thermosetting polymeric resin, each said core layer comprising a plurality of braided reinforcing fibers, said braids of reinforcing fibers aligned in a circumferential direction.
Claim 2
Dependent Claim
21 words
A composite fan casing in accordance with Claim 1 wherein each said core layer comprises a mat of braided reinforcing fibers.
Claim 3
Dependent Claim
61 words
A composite fan casing in accordance with Claim 1 further comprising at least one buildup layer bonded to at least one of an inner surface of said core and an outer surface of said core, each said build-up layer comprising a plurality of braided reinforcing fibers, said braided fibers wound in a spiral pattern and bonded together with said thermosetting resin.
Claim 4
Dependent Claim
23 words
A composite fan casing in accordance with Claim 1 further comprising at least one stiffener bonded to an outer surface of said core.
Claim 5
Dependent Claim
30 words
A composite fan casing in accordance with Claim 1 wherein said reinforcing fibers comprise at least one of carbon fibers, graphite fibers, glass fibers, ceramic fibers, and aromatic polyamid fibers.
Claim 6
Dependent Claim
31 words
A composite fan casing in accordance with Claim 1 wherein said thermosetting polymeric resin comprises at least one of vinyl ester resins, polyester resins, acrylic resins, epoxy resins, and polyurethane resins.
Claim 7
Independent Claim
60 words
A method of fabricating a composite fan casing for a gas turbine engine, said method comprises forming a core having a plurality of core layers of reinforcing fiber bonded together with a thermosetting polymeric resin, each core layer comprising a plurality of braided reinforcing fibers formed from tows of fibers, the braids of reinforcing fibers aligned in a circumferential direction.
Claim 8
Dependent Claim
33 words
A method in accordance with Claim 7 wherein forming a core comprises forming a core having a plurality of core layers of braided reinforcing fiber mats bonded together with a thermosetting polymeric resin.
Claim 9
Dependent Claim
63 words
A method in accordance with Claim 7 further comprising: forming at least one buildup layer comprising a plurality of braided reinforcing fibers, the braided fibers wound in a spiral pattern and bonded together with the thermosetting resin; and bonding the at least one build-up layer to at least one of an inner surface of the core and an outer surface of the core.
Claim 10
Dependent Claim
21 words
A method in accordance with Claim 7 further comprising bonding at least one stiffener to an outer surface of the core.
References Cited (Backward Citations)
No citation records indexed.
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