[특허]Mechanically-activated inflation valve actuation apparatus

GOODRICH CORPORATION

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Mechanically-activated inflation valve actuation apparatus

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-031/163 F16K-015/20 B64D-025/14 F16K-031/60 F15B-015/19 F42B-003/04 F42B-003/00 C06C-007/00 F42B-003/10 F42C-019/10
출원번호	US-0937451 (2015-11-10)
등록번호	US-9945488 (2018-04-17)
발명자 / 주소	Baglini, Jr., James
출원인 / 주소	GOODRICH CORPORATION
대리인 / 주소	Snell & Wilmer, L.L.P.
인용정보	피인용 횟수 : 0 인용 특허 : 17

초록

A valve actuation apparatus is provided. The apparatus may comprise a mechanical activation device, a primer, an explosive cord, and a gas-generating device. The valve actuation apparatus may actuate a valve system, which opens a valve and allows airflow to inflate an inflatable emergency evacuation slide for an aircraft.

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1. A valve actuation apparatus, comprising: a mechanical activation device;a primer coupled to the mechanical activation device and configured to deflagrate upon activation by the mechanical activation device;an explosive cord, comprising an explosive cord first end coupled to the primer, an explosive cord second end, an outer portion, an inner portion, and an explosive cord reactive material, wherein the explosive cord reactive material is configured to detonate upon ignition from the primer and propagate a pressure wave and hot gas through a length of the explosive cord;a gas-generating device coupled to the explosive cord second end configured to be activated by the hot gas from the explosive cord and, in response to the hot gas, produce a gas; anda valve coupled to the gas-generating device, wherein the valve is configured to move from a valve closed position to a valve open position in response to the gas. 2. The valve actuation apparatus of claim 1, wherein the mechanical activation device comprises: an activation lever;a hinge coupled to the activation lever; anda percussion actuator coupled to the hinge. 3. The valve actuation apparatus of claim 2, wherein: the activation lever is in an unarmed position and configured to move about the hinge in a first direction to an armed position;the hinge is configured to move in a second direction once the activation lever is in the armed position; andthe percussion actuator is configured to activate the primer. 4. The valve actuation apparatus of claim 3, wherein the percussion actuator comprises: an outer shell comprising an inbound end and an outbound end;an outer rod coupled to the inbound end, comprising an outer rod first end coupled to the hinge and an outer rod second end, the outer rod being configured to move in a third direction when the hinge moves in the second direction;an actuating rod contained within the outer shell, comprising an actuating rod first end removably coupled to the outer rod second end, and an actuating rod second end, the actuating rod being configured to move with the outer rod in the third direction to a sever point, and at the sever point the actuating rod is configured to decouple from the outer rod;a spring coupled to the actuating rod, the spring being configured to store potential energy as the actuating rod moves in the third direction, and at the sever point, release the stored potential energy into kinetic energy in a fourth direction, which moves the actuating rod in the fourth direction; anda pin coupled to the actuating rod second end configured to strike and activate the primer. 5. The valve actuation apparatus of claim 4, wherein the second direction and the third direction are the same. 6. The valve actuation apparatus of claim 4, wherein the third direction and the fourth direction are opposite each other. 7. The valve actuation apparatus of claim 4, wherein the actuating rod first end comprises an actuating rod hook, and the outer rod second end comprises an outer rod hook complementary to the actuating rod hook, and the actuating rod first end and the outer rod second end are removably coupled by linking of the outer rod hook and the actuating rod hook. 8. The valve actuation apparatus of claim 3, wherein the first direction is a rotational direction. 9. The valve actuation apparatus of claim 1, wherein the explosive cord reactive material comprises a mixture of 80% HMX and 20% metallic aluminum by weight. 10. The valve actuation apparatus of claim 1, wherein the valve is a ball valve. 11. The valve actuation apparatus of claim 1, further comprising an inflatable emergency evacuation slide for an aircraft coupled to the valve, wherein the inflatable emergency evacuation slide is inflated in response to the valve moving into the valve open position. 12. A valve actuation apparatus, comprising: a valve system activation apparatus, comprising: a mechanical activation device; anda gas-generating device coupled to the mechanical activation device and configured to produce a gas when activated; anda valve system coupled to the gas-generating device, comprising: a pressure chamber comprising a pressure chamber first end coupled to the gas-generating device, a pressure chamber second end, and a pressure cavity therebetween configured to receive and hold the gas produced by the gas-generating device, creating a gas pressure;a piston, configured to translate along an axis in response to the gas pressure in the pressure cavity, comprising a piston first end coupled to the pressure chamber second end, a piston second end, and a piston body therebetween;a valve lever in a valve lever closed position proximate to the piston, the valve lever being configured to be moved into a valve lever open position by the piston as the piston translates along the axis in response to the gas pressure; anda valve coupled to the valve lever. 13. The valve actuation apparatus of claim 12, wherein the piston further comprises a shelf portion protruding outwardly from the piston body, wherein the valve lever is pushed from the valve lever closed position to the valve lever open position by the shelf portion. 14. The valve actuation apparatus of claim 12, wherein the valve system activation apparatus further comprises an explosive cord coupled to the gas-generating device between the mechanical activation device and the gas-generating device, wherein the explosive cord comprises an explosive cord reactive material. 15. The valve actuation apparatus of claim 14, wherein the explosive cord reactive material comprises a mixture of 80% HMX and 20% metallic aluminum by weight. 16. The valve actuation apparatus of claim 12, wherein the valve is a ball valve. 17. The valve actuation apparatus of claim 12, further comprising an inflatable emergency evacuation slide for an aircraft coupled to the valve, wherein the inflatable emergency evacuation slide is inflated in response to the valve lever moving into the valve lever open position. 18. A method of actuating a valve actuation apparatus, comprising: rotating an activation lever coupled to a hinge in a first direction from an unarmed position to an armed position; andtranslating the hinge in a second direction;striking a primer with a percussion actuator in response to the hinge translating in the second direction, wherein the primer deflagrates in response to the striking;actuating an explosive cord in response to the primer deflagration;actuating a gas-generating device in response to actuation of the explosive cord;increasing a gas pressure in a pressure cavity of a pressure chamber as the gas-generating device produces a gas:translating a piston along an axis in response to the gas pressure, the piston being coupled to the pressure chamber: androtating a valve lever from a valve lever closed position to a valve lever open position in response to the translating. 19. The method of actuating a valve actuation apparatus of claim 18, further comprising inflating an inflatable emergency evacuation slide for an aircraft in response to the valve lever rotation to the open position.

이 특허에 인용된 특허 (17)

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특허 상세정보

Mechanically-activated inflation valve actuation apparatus

초록

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특허 상세정보

Mechanically-activated inflation valve actuation apparatus

초록

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이 특허에 인용된 특허 (17)

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