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1. 发明授权

US10113568B2 Ram air turbine hydraulic release mechanism 有权
公开(公告)号：US10113568B2
公开(公告)日：2018-10-30
申请号：US15048196
申请日：2016-02-19
申请人： Hamilton Sundstrand Corporation
发明人： David G. Bannon
IPC分类号： F15B15/26 , B64D41/00 , F15B1/027 , F15B15/14
摘要： A ram air turbine actuator release device to release a ram air turbine actuator includes a lock bolt releasably engaged to the ram air turbine actuator, a toggle comprising a toggle roller to engage the lock bolt, and a toggle pivot to couple the toggle to the ram air turbine actuator, a hydraulic toggle actuator, including a piston defining a first hydraulic chamber and a second hydraulic chamber, a solenoid valve in fluid communication with the first hydraulic chamber, and a plunger coupled to the piston, wherein a pressure differential between the first hydraulic chamber and the second hydraulic chamber displaces the plunger to rotate the toggle to disengage the toggle roller from the lock bolt.

2. 发明申请

US20150232194A1 STALL RECOVERY SYSTEM FOR A RAM AIR TURBINE 有权
标题翻译：用于RAM空气涡轮机的STALL恢复系统
公开(公告)号：US20150232194A1
公开(公告)日：2015-08-20
申请号：US14185347
申请日：2014-02-20
申请人： Hamilton Sundstrand Corporation
发明人： David G. Bannon , William E. Seidel
IPC分类号： B64D41/00
CPC分类号： B64D41/007 , F05D2220/34 , Y02T50/53
摘要： In one aspect, a ram air turbine stall recovery system includes a ram air turbine, a hydraulic pump powered by the ram air turbine with the hydraulic pump having a pump inlet and a pump outlet, an electric generator powered by the ram air turbine, a bypass line that connects the pump outlet to the pump inlet, a bypass valve located on the bypass line between the pump outlet and the pump inlet; and a controller responsive to an input signal that indicates a potential stall condition of the ram air turbine. The controller causes the bypass valve to open to allow a hydraulic fluid to flow through the bypass line in order to reduce a pressure within the hydraulic pump.
摘要翻译：一方面，一种冲压空气涡轮机失速恢复系统包括冲压空气涡轮机，由冲压空气涡轮机供电的液压泵，液压泵具有泵入口和泵出口，由冲压空气涡轮机供电的发电机，将泵出口连接到泵入口的旁路管路，位于泵出口和泵入口之间的旁路管路上的旁通阀; 以及响应于指示压头空气涡轮机的潜在失速状态的输入信号的控制器。控制器使旁通阀打开以允许液压流体流过旁路管线，以便减小液压泵内的压力。

3. 发明申请

US20170298964A1 FAILSAFE DEPLOYMENT FEATURE FOR ACTUATOR 有权
公开(公告)号：US20170298964A1
公开(公告)日：2017-10-19
申请号：US15098392
申请日：2016-04-14
申请人： Hamilton Sundstrand Corporation
发明人： David G. Bannon , Timothy Scott Konicek
IPC分类号： F15B15/26 , F15B15/14
CPC分类号： F15B15/261 , B64D41/007 , F15B15/1457
摘要： A linear actuator includes a fixed first end, a second end movable linearly along a central axis of the actuator, an inner cylinder configured to urge axial movement of the second end, and a piston assembly including a piston rod located inside of the inner cylinder. One or more locking pawls are located in pawl openings in the piston rod. The one or more locking pawls are selectably engagable with the inner cylinder to prevent relative motion of the piston rod and the inner cylinder. A lockbolt selectably releases the one or more locking pawls from engagement with the inner cylinder and includes an antilock pin engagable with a pawl opening in the one or more locking pawls to urge the one or more locking pawls away from the inner cylinder with axial movement of the lockbolt.

4. 发明授权

US09656763B2 Stow lock pawl for a rat actuator 有权
公开(公告)号：US09656763B2
公开(公告)日：2017-05-23
申请号：US14458543
申请日：2014-08-13
申请人： Hamilton Sundstrand Corporation
发明人： David G. Bannon
IPC分类号： F15B15/14 , B64D41/00 , F16B7/14 , F15B15/26
CPC分类号： B64D41/007 , F05D2220/34 , F15B15/14 , F15B15/26 , F15B15/261 , F16B7/1409
摘要： An actuator for a ram air turbine system includes a piston rod that is cylindrical in shape and centered about a centerline, and stow lock pawls supported by the piston rod and able to move radially. Each of the stow lock pawls has a crown with a crown radius. The actuator further includes a lock bolt extending along the centerline radially within the piston rod and configured to be axially movable within the piston rod between a stowed position and a deployed position. The actuator further includes rollers radially outward from the centerline configured to be guided by the lock bolt and a cylinder having a mating surface with a mating radius. The cylinder is positioned radially outward from the piston rod and configured to be axially movable between the stowed position and the deployed position. A ratio of the crown radius of the stow lock pawls to the mating radius of the cylinder is less than 0.98.

5. 发明授权

US10006476B2 Mistake proof ram air turbine downlock protection 有权
公开(公告)号：US10006476B2
公开(公告)日：2018-06-26
申请号：US14719817
申请日：2015-05-22
申请人： Hamilton Sundstrand Corporation
发明人： David G. Bannon , Paul Michael Reinhard
IPC分类号： F15B15/20 , F15B15/14 , B64D41/00 , F01D5/02 , F01D25/28
CPC分类号： F15B15/149 , B64D41/007 , F01D5/02 , F01D25/28 , F05D2220/34 , F05D2240/24 , F05D2260/57 , F15B15/1476 , F15B15/204
摘要： An actuator assembly includes a housing, an internal cavity within the housing configured to partially contain a pressurized fluid, a fluid inlet port connecting a first opening on an outer surface of the housing to the internal cavity, a fluid outlet port connecting a second opening on the outer surface of the housing to the internal cavity, and a pressure relief channel having a relief inlet and a relief outlet. The relief outlet is in fluid communication with the internal cavity and a distance between the fluid inlet port and the relief outlet is less than half a distance between the fluid inlet port and fluid outlet port.

6. 发明授权

US09976636B2 Locking mechanisms for ram air turbines 有权
公开(公告)号：US09976636B2
公开(公告)日：2018-05-22
申请号：US14692800
申请日：2015-04-22
申请人： Hamilton Sundstrand Corporation
发明人： Christopher S. Prokup , David G. Bannon , Mark A. Osborn , Gregory J. Bradley , William E. Seidel
IPC分类号： G05G5/06 , F16H21/06 , F16H21/44 , B64D41/00
CPC分类号： F16H21/06 , B64D41/007 , F16H21/44
摘要： A locking mechanism for a ram air turbine (RAT) includes a base clevis configured to mount to a housing and to have a base link clevis connector portion defining a plurality of base link clevis connector arms and a base link clevis having a base connector portion defining base connector arms that are configure to movably connect to the base link clevis connector arm. The locking mechanism also includes a pin operatively connecting the base connector portion to the base link clevis connector portion in a rotatable relationship and a spring positioned around the pin, wherein a first spring end abuts the base clevis and a second spring end abuts the base link clevis to bias the base link clevis to an unlocked position. A sleeve is positioned between the spring and the pin to maintain a wind diameter of the spring.

7. 发明申请

US20170241453A1 RAM AIR TURBINE HYDRAULIC RELEASE MECHANISM 审中-公开
公开(公告)号：US20170241453A1
公开(公告)日：2017-08-24
申请号：US15048196
申请日：2016-02-19
申请人： Hamilton Sundstrand Corporation
发明人： David G. Bannon
IPC分类号： F15B15/26 , F15B1/027 , F15B15/14 , B64D41/00
CPC分类号： F15B15/261 , B64D41/007 , F15B1/027 , F15B15/14 , F15B2211/212 , F15B2211/31529 , F15B2211/327 , F15B2211/7052 , F15B2211/7708
摘要： A ram air turbine actuator release device to release a ram air turbine actuator includes a lock bolt releasably engaged to the ram air turbine actuator, a toggle comprising a toggle roller to engage the lock bolt, and a toggle pivot to couple the toggle to the ram air turbine actuator, a hydraulic toggle actuator, including a piston defining a first hydraulic chamber and a second hydraulic chamber, a solenoid valve in fluid communication with the first hydraulic chamber, and a plunger coupled to the piston, wherein a pressure differential between the first hydraulic chamber and the second hydraulic chamber displaces the plunger to rotate the toggle to disengage the toggle roller from the lock bolt.

8. 发明授权

US09511876B2 Actuator housing for ram air turbine deployment actuator 有权
标题翻译：用于冲压式空气涡轮机部署执行机构的执行机构
公开(公告)号：US09511876B2
公开(公告)日：2016-12-06
申请号：US14624222
申请日：2015-02-17
申请人： HAMILTON SUNDSTRAND CORPORATION
发明人： Christopher S. Prokup , David G. Bannon , Mark A. Osborn , Gregory J. Bradley
IPC分类号： B64D41/00 , F16K27/00
CPC分类号： B64D41/007 , F16K27/00 , F16K27/02 , F16K27/04
摘要： An actuator housing is provided. The actuator housing may comprise a body. A first side of the body may include a first pin interface and a first threaded hole clocked relative to the first pin interface. The first pin interface and the first threaded hole may be configured to interface with a solenoid housing. A second side the body may be disposed adjacent the first side. The second side may include a toggle assembly interface configured to receive a toggle assembly. A third side of the body may be disposed adjacent the first side and the second side. The third side may include an adapter interface configured to receive an adapter for the toggle assembly.
摘要翻译：提供了一个致动器壳体。致动器壳体可以包括主体。主体的第一侧可以包括第一引脚接口和相对于第一引脚接口时钟的第一螺纹孔。第一销接口和第一螺纹孔可以被配置为与螺线管壳体接合。主体可以邻近第一侧设置的第二侧。第二侧可以包括构造成接收肘节组件的肘节组件接口。本体的第三侧可以邻近第一侧和第二侧设置。第三侧可以包括配置成接收用于肘节组件的适配器的适配器接口。

9. 发明授权

US09863276B2 Actuator housing for ram air turbine deployment actuator 有权
公开(公告)号：US09863276B2
公开(公告)日：2018-01-09
申请号：US14625866
申请日：2015-02-19
申请人： HAMILTON SUNDSTRAND CORPORATION
发明人： Christopher S. Prokup , David G. Bannon , Mark A. Osborn , Gregory J. Bradley
IPC分类号： B64D41/00 , F01D25/24 , F03D9/25
CPC分类号： F03D9/30 , B64D41/007 , F01D25/24 , F03D9/25 , F03D9/32 , F05D2220/34 , Y02E10/725
摘要： An actuator housing is provided. The actuator housing may comprise a body, and a first side of the body including a first pin interface and a first threaded hole clocked relative to the first pin interface. The first pin interface and the first threaded hole may be configured to interface with a solenoid housing. A second side of the body may be orthogonal to the first side. The second side may include a circular geometry with a cylindrical member disposed central to the circular geometry. A toggle assembly interface may be recessed in the second side and disposed within the cylindrical member.

10. 发明授权

US09561862B2 Stall recovery system for a ram air turbine 有权
标题翻译：冲压式空气涡轮机失速回收系统
公开(公告)号：US09561862B2
公开(公告)日：2017-02-07
申请号：US14185347
申请日：2014-02-20
申请人： Hamilton Sundstrand Corporation
发明人： David G. Bannon , William E. Seidel
IPC分类号： B64D41/00
CPC分类号： B64D41/007 , F05D2220/34 , Y02T50/53
摘要： In one aspect, a ram air turbine stall recovery system includes a ram air turbine, a hydraulic pump powered by the ram air turbine with the hydraulic pump having a pump inlet and a pump outlet, an electric generator powered by the ram air turbine, a bypass line that connects the pump outlet to the pump inlet, a bypass valve located on the bypass line between the pump outlet and the pump inlet; and a controller responsive to an input signal that indicates a potential stall condition of the ram air turbine. The controller causes the bypass valve to open to allow a hydraulic fluid to flow through the bypass line in order to reduce a pressure within the hydraulic pump.
摘要翻译：一方面，一种冲压空气涡轮机失速恢复系统包括冲压空气涡轮机，由冲压空气涡轮机供电的液压泵，液压泵具有泵入口和泵出口，由冲压空气涡轮机供电的发电机，将泵出口连接到泵入口的旁路管路，位于泵出口和泵入口之间的旁路管路上的旁通阀; 以及响应于指示压头空气涡轮机的潜在失速状态的输入信号的控制器。控制器使旁通阀打开以允许液压流体流过旁路管线，以便减小液压泵内的压力。

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