[특허]High temperature manifolds for gas turbine engines

[미국특허] High temperature manifolds for gas turbine engines 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-001/00
출원번호	US-0889275 (2010-09-23)
등록번호	US-8713944 (2014-05-06)
발명자 / 주소	Bleeker, Daniel E.
출원인 / 주소	Delavan Inc.
대리인 / 주소	Edwards Wildman Palmer LLP
인용정보	피인용 횟수 : 3 인용 특허 : 62

초록 ▼

A fuel manifold for distributing fuel to a gas turbine engine includes a plurality of interconnected manifold segments. Each manifold segment extends between a pair of fuel injector inlet fittings. Each manifold segment includes a fuel liner defining an internal fuel passage therethrough fluidly connecting a pair of fuel injector inlet fittings. A wire braid layer surrounds the fuel liner, a fire sleeve surrounds the wire braid layer, and a flexible thermal shield surrounds the fire sleeve. An insulation space is defined between the fire sleeve and the thermal shield to thermally isolate the fire sleeve from conditions external to the thermal shield.

대표청구항 ▼

1. A fuel manifold for distributing fuel to a gas turbine engine comprising: a plurality of interconnected manifold segments, each manifold segment extending between a pair of fuel injector inlet fittings, each manifold segment including:a fuel liner defining an internal fuel passage therethrough fluidly connecting a pair of fuel injector inlet fittings;a wire braid layer surrounding the fuel liner;a fire sleeve surrounding the wire braid layer; anda flexible thermal shield surrounding the fire sleeve, wherein an insulation space is defined between the fire sleeve and the thermal shield to thermally isolate the fire sleeve from conditions external to the thermal shield. 2. A fuel manifold as recited in claim 1, wherein the thermal shield includes a corrugated metal tube. 3. A fuel manifold as recited in claim 2, wherein the insulation space is substantially sealed off, and wherein a vent is included in the thermal shield to allow venting of hot gases from the insulation space. 4. A fuel manifold as recited in claim 2, wherein the insulation space is substantially sealed off, and wherein the insulation space is filled with a gas. 5. A fuel manifold as recited in claim 2, wherein the insulation space is substantially sealed off, and wherein the insulation space is substantially evacuated. 6. A fuel manifold as recited in claim 1, wherein the thermal shield includes an outer metal foil surrounding a fiberglass cloth layer. 7. A fuel manifold as recited in claim 6, wherein the thermal shield is a stitched sleeve that includes a lengthwise stitched seam joining lengthwise edges of the outer metal foil and fiberglass cloth layer. 8. A fuel manifold as recited in claim 1, wherein the thermal shield includes a stripwound metal hose. 9. A fuel manifold as recited in claim 1, wherein the fire sleeve includes a layer of high temperature fiberglass insulation. 10. A fuel manifold as recited in claim 1, wherein the fire sleeve includes an AS1072 silicone rubber coated fiber glass fire sleeve. 11. A fuel manifold for distributing fuel to a gas turbine engine comprising: a plurality of interconnected manifold segments, each manifold segment extending between a pair of fuel injector inlet fittings, each manifold segment including:a fuel liner defining an internal fuel passage therethrough fluidly connecting a pair of fuel injector inlet fittings;a wire braid layer surrounding the fuel liner;a fire sleeve surrounding the wire braid layer;a flexible thermal shield surrounding the fire sleeve; anda layer of solid state insulation material between the fire sleeve and the thermal shield, wherein the thermal shield and the layer of solid state insulation material are configured and adapted to thermally isolate the fire sleeve from conditions external to the thermal shield. 12. A fuel manifold as recited in claim 11, wherein the thermal shield includes two longitudinal sections joined at a pair of lengthwise seams. 13. A fuel manifold as recited in claim 12, wherein the layer of solid state insulation material includes two longitudinal sections joined at a pair of lengthwise seams. 14. A segment of a fluid manifold comprising: a liner of the segment of the fluid manifold defining an internal fluid passage therethrough fluidly connecting a pair of hose fitting inserts;a wire braid layer surrounding the liner; anda flexible thermal shield outboard of the wire braid layer, wherein an insulation space is defined inboard of the thermal shield and outboard of the wire braid layer to provide thermal isolation from conditions external to the insulation space and thermal shield, wherein the thermal shield includes a stripwound metal hose connected at each end to a respective hose fitting insert by a threaded nut having threads which intermesh with the stripwound metal hose. 15. A segment of a fluid manifold as recited in claim 14, further comprising a fire sleeve surrounding the wire braid layer, wherein the insulation space is defined between the fire sleeve and the thermal shield.

이 특허에 인용된 특허 (62) 인용/피인용 타임라인 분석

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Shilad Isaac U. (Manhattan KS) Bouscher Lawrence E. (Manhattan KS), Fire resistant hose.
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Lalikos James M. (Springfield MA) Gazda Chester T. (Chicopee MA) O\Melia Lawrence (Easthampton MA), Fire sleeve for hose.
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MacLean Thomas (Loveland OH) Cook George E. (Cincinnati OH), Gas turbine engine fuel manifold.
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[미국특허] High temperature manifolds for gas turbine engines 원문보기

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[미국특허] High temperature manifolds for gas turbine engines 원문보기

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