[특허]Cowl with pressure driven latch

United Technologies Corporation

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Cowl with pressure driven latch

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64D-029/06 B64D-029/00 B64C-007/02 F02C-007/20
출원번호	US-0764375 (2013-01-29)
등록번호	US-9376215 (2016-06-28)
국제출원번호	PCT/US2013/023649 (2013-01-29)
국제공개번호	WO2014/120126 (2014-08-07)
발명자 / 주소	Forcier, Matthew J.
출원인 / 주소	United Technologies Corporation
대리인 / 주소	Kinney & Lange, P.A.
인용정보	피인용 횟수 : 1 인용 특허 : 21

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A gas turbine engine includes an engine core, a core cowl extending circumferentially around the engine core, and a pressure actuated latch assembly. The core cowl includes a first cowl section on a first side of the engine core and a second cowl section on a second side of the engine core. The pressure actuated latch assembly connects the first cowl section to a support structure and is actuatable between an unlatched position when pressure within the core cowl is relatively low and a latched position when pressure within the core cowl is relatively hig...

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1. A gas turbine engine comprising: an engine core;a core cowl extending circumferentially around the engine core, the core cowl comprising: a first cowl section on a first side of the engine core; anda second cowl section on a second side of the engine core; anda pressure actuated latch assembly connecting the first cowl section to a support structure and actuatable between an unlatched position when pressure within the core cowl is relatively low and a latched position when pressure within the core cowl is relatively high. 2. The gas turbine engine of claim 1, wherein the pressure actuated latch assembly comprises: a latch having a first hook at a first end engagable with a second hook in the latched position. 3. The gas turbine engine of claim 2, wherein the pressure actuated latch assembly comprises: a valve disc positioned adjacent a vent hole; anda shaft extending through the vent hole to connect the valve disc to the latch, wherein the first hook is disengaged from the second hook when the valve disc is adjacent to the vent hole and the first hook is engaged with the second hook when the valve disc is pushed away from the vent hole. 4. The gas turbine engine of claim 2, wherein the latch is attached to the first cowl section at a second end of the latch. 5. The gas turbine engine of claim 1, wherein the pressure actuated latch assembly connects a corner of the first cowl section to a pylon in the latched position. 6. The gas turbine engine of claim 1, wherein the pressure actuated latch assembly connects a first corner of the first cowl section to a second corner of the second cowl section in the latched position. 7. The gas turbine engine of claim 1, wherein the pressure actuated latch assembly comprises: a first bumper attached to the first cowl section; anda second bumper attached to the support structure, wherein the pressure actuated latch assembly connects the first bumper to the second bumper in the latched position. 8. The gas turbine engine of claim 7, wherein the first bumper is connected to the first cowl section to define a cavity between the first bumper and the first cowl section, wherein a first vent hole extends from the cavity through the first bumper, and wherein a second vent hole extends from the cavity through the first cowl section. 9. The gas turbine engine of claim 1, wherein the first cowl section comprises: a curved portion; anda portion connected to the curved portion at a corner, wherein the portion is vertical when the first cowl section is in the unlatched position, and wherein the pressure actuated latch assembly is attached to the first cowl section at the corner. 10. The gas turbine engine of claim 1, wherein the first cowl section comprises: a curved portion;a first portion connected to a top of the curved portion at or near a first corner, wherein the first portion is vertical when the first cowl section is in the unlatched position, and wherein the pressure actuated latch assembly is a first pressure actuated latch assembly attached to the first cowl section at the first corner; anda second portion connected to a bottom of the curved portion at or near a second corner, wherein the second portion is vertical when the second cowl section is in the unlatched position, and wherein a second pressure actuated latch assembly is attached to the first cowl section at the second corner. 11. The gas turbine engine of claim 1, wherein the support structure is one of the second cowl section or a pylon. 12. A core cowl for use with an engine core of a gas turbine engine, the core cowl comprising: a first cowl section for covering a first side of an engine core;a second cowl section for covering a second side of the engine core; anda pressure actuated latch assembly connecting the first cowl section to the second cowl section for latching the first cowl section to the second cowl section when pressure within the core cowl is relatively high, and for unlatching the first cowl section from the second cowl section when pressure within the core cowl is relatively low. 13. The core cowl of claim 12, wherein the pressure actuated latch assembly comprises: a latch having a first hook at a first end engagable with a second hook in the latched position. 14. The core cowl of claim 13, wherein the pressure actuated latch assembly comprises: a valve disc positioned adjacent a vent hole; anda shaft extending through the vent hole to connect the valve disc to the latch, wherein the first hook is disengaged from the second hook when the valve disc is adjacent to the vent hole and the first hook is engaged with the second hook when the valve disc is pushed away from the vent hole. 15. The core cowl of claim 13, wherein the latch is attached to the first cowl section at a second end of the latch. 16. The core cowl of claim 12, wherein the pressure actuated latch assembly comprises: a first bumper attached to a first corner of the first cowl section; anda second bumper attached to a second corner of the second cowl section, wherein the pressure actuated latch assembly connects the first bumper to the second bumper in the latched position. 17. The core cowl of claim 16, wherein the first bumper is connected to the first cowl section to define a cavity between the first bumper and the first cowl section, wherein a first vent hole extends from the cavity through the first bumper, and wherein a second vent hole extends from the cavity through the first cowl section. 18. The core cowl of claim 12, wherein the pressure actuated latch assembly connects a first corner of the first cowl section to a second corner of the second cowl section in the latched position. 19. The core cowl of claim 18, wherein the first cowl section comprises: a curved portion;a first portion connected to a top of the curved portion at the first corner, wherein the first portion is vertical when the first cowl section is unlatched; anda second portion connected to a bottom of the curved portion at a third corner, wherein the second portion is vertical when the second cowl section is unlatched. 20. The core cowl of claim 19, wherein the pressure actuated latch assembly is a first pressure actuated latch assembly, the core cowl further comprising: a second pressure actuated latch assembly that connects the third corner of the first cowl section to a fourth corner of the second cowl section in the latched position.

이 특허에 인용된 특허 (21)

이 특허를 인용한 특허 피인용횟수: 1

Brown, Keith T.. Automatic bifurcation latch systems for a thrust reverser. USP2018049951718.

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Cowl with pressure driven latch

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Cowl with pressure driven latch

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