Quick disengaging field joint for exhaust system components of gas turbine engines
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02C-007/20
B23P-006/00
F23J-013/04
F23J-013/08
F01D-025/30
출원번호
US-0275382
(2011-10-18)
등록번호
US-9109800
(2015-08-18)
발명자
/ 주소
Auzelyte, Ramune
Frese, Christopher Conrad
Kippel, Bradly Aaron
Mills, Jeffrey Patrick
출원인 / 주소
General Electric Company
대리인 / 주소
Dority & Manning, P.A.
인용정보
피인용 횟수 :
1인용 특허 :
3
초록▼
A quick disengaging field joint connects a first component of an exhaust system of a gas turbine engine to a second component of the exhaust system. The field joint includes a pair of opposed stepped liners connected via exterior-facing connecting flanges. The field joints can be disassembled entire
A quick disengaging field joint connects a first component of an exhaust system of a gas turbine engine to a second component of the exhaust system. The field joint includes a pair of opposed stepped liners connected via exterior-facing connecting flanges. The field joints can be disassembled entirely from outside the exhaust housing without requiring access to the interior of the exhaust housing.
대표청구항▼
1. A quick disengaging field joint for connecting a free edge of a first component of an exhaust system of a gas turbine engine to the free edge of a second component of the exhaust system, each component including an internal liner having an exposed surface for facing the hot exhaust gases of the e
1. A quick disengaging field joint for connecting a free edge of a first component of an exhaust system of a gas turbine engine to the free edge of a second component of the exhaust system, each component including an internal liner having an exposed surface for facing the hot exhaust gases of the exhaust system, each component including an external shell having a shielded surface for facing the ambient atmosphere, each component including heat resistant insulation disposed between the internal liner and the external shell, the field joint comprising: a. a first joint liner disposed at the free edge of the first component, the first joint liner defining a first stepped end;b. a first fastener anchoring the first joint liner to the internal liner of the first component;c. a second joint liner disposed at the free edge of the second component, the second joint liner defining a second stepped end that is configured to mirror the shape of first stepped end of the first joint liner; andd. a second fastener anchoring the second joint liner to the internal liner of the second component. 2. The quick disengaging field joint of claim 1, wherein the first stepped end defining a first overhang portion adjacent the external shell of the first component and defining a first undercut portion adjacent the internal liner of the first component, the first overhang portion defining a front face, the first undercut portion defining a rear face, the first stepped end of the first joint liner defining a common face extending between and joining the front face of the first overhang portion and the rear face of the first undercut portion. 3. The quick disengaging field joint of claim 2, wherein the second stepped end defining a second overhang portion adjacent the internal liner of the second component and defining a second undercut portion adjacent the external shell of the second component, the second overhang portion defining a front face, the second undercut portion defining a rear face, the second stepped end of the second joint liner defining a common face extending between and joining the front face of the second overhang portion and the rear face of the second undercut portion. 4. The quick disengaging field joint of claim 3, wherein the front face of the first overhang portion is disposed opposite the rear face of the second undercut portion, the front face of the second overhang portion is disposed opposite the rear face of the first undercut portion, and the common face of the first stepped end of the first joint liner is disposed opposite the common face of the second stepped end of the second joint liner. 5. The quick disengaging field joint of claim 4, wherein the common face of the first stepped end of the first joint liner is disposed normal to the front face of the first overhang portion of the first joint liner and wherein the common face of the second stepped end of the second joint liner is disposed normal to the rear face of the second undercut portion of the second joint liner. 6. The quick disengaging field joint of claim 1, further comprising at least a first retainer clip connected to the external shell of the first component and configured to slideably receive a section of the first joint liner that is disposed away from the first stepped end of the first joint liner. 7. The quick disengaging field joint of claim 6, further comprising at least a second retainer clip connected to the external shell of the second component and configured to slideably receive a section of the second joint liner that is disposed away from the second stepped end of the second joint liner. 8. The quick disengaging field joint of claim 1, wherein at least one of the first joint liner and the second joint liner is segmented into at least two segments anchored to the respective internal liner by the respective fastener. 9. The quick disengaging field joint of claim 1, further comprising: a. at least a first connecting flange attached to the shielded surface of the external shell of the first component;b. at least a second connecting flange attached to the shielded surface of the external shell of the second component; andc. a third fastener joining the first connecting flange to the second connecting flange. 10. The quick disengaging field joint of claim 9, further comprising: a tadpole gasket, the tadpole gasket having at least a first section disposed between the first connecting flange and the second connecting flange, the tadpole gasket having at least a second section disposed between the first stepped end of the first joint liner and the second stepped end of the second joint liner, the tadpole gasket having at least a third section disposed between the free edge of the external shell of the first component and the free edge of the external shell of the second component. 11. The quick disengaging field joint of claim 10, wherein at least a second section of the tadpole gasket being further disposed between the front face of the first overhang portion and the rear face of the second undercut portion. 12. The quick disengaging field joint of claim 4, at least a first compressed wire mesh gasket disposed between the front face of the second overhang portion and the rear face of the first undercut portion, at least a second compressed wire mesh gasket disposed between the common face of the first stepped end of the first joint liner and the common face of the of the second stepped end of the second joint liner. 13. A quick disengaging field joint for connecting a pair of components of an exhaust system of a gas turbine engine, each component defining an internal liner having an exposed surface for facing the hot exhaust gases of the exhaust system, each component defining an external shell having a shielded surface for facing the ambient atmosphere, each component including heat resistant insulation disposed between the internal liner and the external shell, the field joint comprising: a. first joint liner connected to a first one of the components so as to encapsulate the insulation of the respective component, the first joint liner defining a first stepped end, the first stepped end defining a first overhang portion adjacent the external shell of the first component and defining a first undercut portion adjacent the internal liner of the first component, the first overhang portion defining a front face, the first undercut portion defining a rear face, the first stepped end of the first joint liner defining a common face extending between and joining the front face of the first overhang portion and the rear face of the first undercut portion;b. a first fastener anchoring the first joint liner to the internal liner of the first component;c. at least a first retainer clip connected to the external shell of the first component and slideably receiving a section of the first joint liner that is disposed away from the first stepped end of the first joint liner;d. a second joint liner connected to a second one of the components so as to encapsulate the insulation of the respective component, the second joint liner defining a second stepped end, the second stepped end defining a second overhang portion adjacent the internal liner of the second component and defining a second undercut portion adjacent the external shell of the second component, the second overhang portion defining a front face, the second undercut portion defining a rear face, the second stepped end of the second joint liner defining a common face extending between and joining the front face of the second overhang portion and the rear face of the second undercut portion;e. a second fastener anchoring the second joint liner to the internal liner of the second component;f. at least a second retainer clip connected to the external shell of the second component and slideably receiving a section of the second joint liner that is disposed away from the second stepped end of the second joint liner;g. wherein the front face of the first overhang portion is disposed opposite the rear face of the second undercut portion, the front face of the second overhang portion is disposed opposite the rear face of the first undercut portion, and the common face of the first stepped end of the first joint liner is disposed opposite the common face of the second stepped end of the second joint liner;h. at least a first compressed wire mesh gasket disposed between the rear face of the first undercut portion and the front face of the second overhang portion, at least a second compressed wire mesh gasket disposed between the common face of the first stepped end of the first joint liner and the common face of the second stepped end of the second joint liner;i. at least a first connecting flange having a base attached to the shielded surface of the external shell of the first component, the first connecting flange defining a connecting plate extending from the base and defining an opening therethrough configured for receiving a connecting bolt;j. at least a second connecting flange having a base attached to the shielded surface of the external shell of the second component, the second connecting flange defining a connecting plate extending from the base and defining an opening therethrough configured for receiving a connecting bolt,k. the connecting plate of the first connecting flange being disposed opposite the connecting plate of the second connecting flange, and the opening through the connecting plate of the first connecting flange being aligned with the opening through the connecting plate of the second connecting flange;l. at least a first section of a tadpole gasket being disposed between the connecting plate of the first connecting flange and the connecting plate of the second connecting flange, at least a second section of the tadpole gasket being further disposed between the front face of the first overhang portion and the rear face of the second undercut portion, at least a third section of the tadpole gasket being further disposed between the free edge of the external shell of the first component and the free edge of the external shell of the second component; andm. a bolt disposed through the opening through the connecting plate of the first connecting flange, the first section of the tadpole gasket and the opening through the connecting plate of the second connecting flange. 14. A gas turbine engine, comprising: a. an air inlet;b. a compressor in fluid communication with the air inlet;c. a combustor connected in fluid communication to the compressor;d. a turbine in fluid communication with the combustor;e. a diffuser in fluid communication with the combustor;f. an exhaust housing connected in fluid communication with the combustor and containing the diffuser, the exhaust housing including at least a first component and at least a second component connected to the at least first component, each component including an internal liner having an exposed surface for facing hot exhaust gases that may pass through the diffuser in the exhaust housing, each component including an external shell having a shielded surface for facing the ambient atmosphere, each component including heat resistant insulation disposed between the internal liner and the external shell, the first component being configured to be selectively detachable from the second component and selectively removable from the exhaust housing; andg. a quick disengaging field joint for connecting at least the first component of the exhaust housing to at least the second component of the exhaust system, the field joint comprising: i. a first joint liner connected to the first component, the first joint liner defining a first stepped end;ii. a first fastener anchoring the first joint liner to the internal liner of the first component;iii. a second joint liner connected to the second component, the second joint liner defining a second stepped end that is configured to mirror the shape of first stepped end of the first joint liner; andh. a second fastener anchoring the second joint liner to the internal liner of the second component. 15. The gas turbine engine of claim 14, wherein the first stepped end defining a first overhang portion adjacent the external shell of the first component and defining a first undercut portion adjacent the internal liner of the first component, the first overhang portion defining a front face, the first undercut portion defining a rear face, the first stepped end of the first joint liner defining a common face extending between and joining the front face of the first overhang portion and the rear face of the first undercut portion. 16. The gas turbine engine of claim 15, wherein the front face of the first overhang portion is disposed opposite the rear face of the second undercut portion, the front face of the second overhang portion is disposed opposite the rear face of the first undercut portion, and the common face of the first stepped end of the first joint liner is disposed opposite the common face of the second stepped end of the second joint liner. 17. The gas turbine engine of claim 14, further comprising: a. at least a first connecting flange attached to the shielded surface of the external shell of the first component;b. at least a second connecting flange attached to the shielded surface of the external shell of the second component; andc. a third fastener joining the first connecting flange to the second connecting flange. 18. The gas turbine engine of claim 14, further comprising at least a first retainer clip connected to the external shell of the first component and configured to slideably receive a section of the first joint liner that is disposed away from the first stepped end of the first joint liner. 19. The gas turbine engine of claim 14, wherein at least one of the first joint liner and the second joint liner is segmented into at least two segments anchored to the respective internal liner by the respective fastener.
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이 특허에 인용된 특허 (3)
Nash Dudley O. (Cincinnati OH) Knight ; Jr. Glenn L. (Mason OH) Bertke James H. (Cincinnati OH), Band clamp apparatus.
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