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1. 发明公开

EP4332360A3 EXHAUST CENTERBODY ASSEMBLY 审中-公开
公开(公告)号：EP4332360A3
公开(公告)日：2024-05-22
申请号：EP23195240.9
申请日：2023-09-04
申请人： Rohr, Inc.
发明人： GAUL, David , RATAJAC, Aleksandar , CHURCH, Victor A. , ANDERSON, Charles L. , ERICKSON, Stephen , LOPEZ, Carlos A. , ALONSO-MIRALLES, Jose S. , SHERMAN, Brian A. , KOROLY, Christopher C.
IPC分类号： F02C7/20 , F02C7/24 , F02K1/04
CPC分类号： F02C7/20 , F02C7/24 , F02K1/04 , F05D2260/9620130101
摘要： A centerbody assembly (48) includes a center tube (56), a forward bulkhead (58), an aft bulkhead (60), at least one baffle (64), and an outer skin (52). The center tube (56) extends circumferentially about an axial centerline (34). The center tube (56) extends between and to a first axial tube end (88) and a second axial tube end (90). The forward bulkhead (58) is mounted to the center tube (56) at the first axial tube end (88). The aft bulkhead (60) is mounted to the center tube (56) at the second axial tube end (90). The at least one baffle (64) extends axially from the forward bulkhead (58) to the aft bulkhead (60). At least the forward bulkhead (58), the aft bulkhead (60), or the at least one baffle (64) include one or more thermal beads (112, 142). The outer skin (52) circumscribes the center tube (56), the forward bulkhead (58), the aft bulkhead (60), and the at least one baffle (64) to form an acoustic cavity (66) radially inside the outer skin (52).

2. 发明公开

EP4368363A1 EXPANDABLE MALE DIE BLADDER FOR MATCH DIE SHAPE-FORMING SYSTEMS AND METHODS 审中-公开
公开(公告)号：EP4368363A1
公开(公告)日：2024-05-15
申请号：EP23206842.9
申请日：2023-10-30
申请人： Rohr, Inc.
发明人： WAUGH, Katherine E. , KOROLY, Christopher C. , PUJAR, Vijay V. , LINCK, John S. , ROSENBROCK, Kyle
IPC分类号： B29B11/16 , B29C43/36 , B29C43/58 , B29C70/54 , B29C33/40 , B29B11/12
CPC分类号： B29C43/3642 , B29C2043/364920130101 , B29C43/58 , B29C2043/580820130101 , B29C70/541 , B29C70/543 , B29C70/40 , B29C70/44 , B29C70/342 , B29C70/56 , B29B11/16 , B29C33/405 , B29B11/12
摘要： A shape forming tool (120) for pre-carbonization compression of a fibrous preform (110) includes a female forming tool (122) comprising a die recess (182), a support structure (126) moveable with respect to the female forming tool, and at least one bladder (124) coupled to the support structure and configured to be received into the die recess. The support structure is configured to move the bladder(s) with respect to the female forming tool. The bladder(s) is/are configured to be inflated to apply a compressive force to compress and form a fibrous preform between the bladder(s) and the female forming tool.

3. 发明公开

EP4361330A1 SYSTEMS AND METHODS FOR SELF-CLEANING NEEDLES FOR THROUGH THICKNESS REINFORCEMENT OF RESIN-INFUSED FABRICS 审中-公开
公开(公告)号：EP4361330A1
公开(公告)日：2024-05-01
申请号：EP23204191.3
申请日：2023-10-17
申请人： Rohr, Inc.
发明人： WAUGH, Katherine E. , KOROLY, Christopher C. , PUJAR, Vijay V.
IPC分类号： D04H1/4242 , D04H1/46 , D04H1/498 , D04H18/02
CPC分类号： D04H18/02 , D04H1/46 , D04H1/498 , D04H1/4242
摘要： An end effector (102, 202, 302) for the through thickness reinforcement of a fibrous preform (110) includes a needle cleaning material (220, 320) configured to contact a needle (108, 208, 308) to clean resin from the needle during or between through thickness reinforcement operations. The needle cleaning material may extend from a presser foot toward the needle. The needle cleaning material may slidingly engage the needle in response to movement of one of the needle or the presser foot moving (e.g., translating and/or rotating) with respect to the other of the needle or the presser foot.

4. 发明公开

EP4350140A1 THRUST REVERSER SYSTEM WITH ANGLED DOOR PIVOT AXES 审中-公开
公开(公告)号：EP4350140A1
公开(公告)日：2024-04-10
申请号：EP23202421.6
申请日：2023-10-09
申请人： Rohr, Inc.
发明人： GORMLEY, Timothy
IPC分类号： F02K1/60
摘要： An apparatus is provided for an aircraft propulsion system (20). This apparatus includes a pivoting door thrust reverser system (32), and the pivoting door thrust reverser system (32) includes a plurality of thrust reverser doors (36). Each of the thrust reverser doors (36) is configured to pivot about a respective pivot axis (62) between a stowed position and a deployed position. The thrust reverser doors (36) include a first thrust reverser door (36A) and a second thrust reverser door (36B). The second thrust reverser door (36B) is arranged to an opposing side of the pivoting door thrust reverser system (32) from the first thrust reverser door (36A). The pivot axis (62) of the first thrust reverser door (36A) is angularly offset from a reference line (88) by an acute angle (90). The reference line (88) is coincident with and perpendicular to a centerline (24) of the pivoting door thrust reverser system (32).

5. 发明公开

EP4309881A3 WELDING ASSEMBLY & METHOD USING SEPARATELY ACTUATABLE RAMS 审中-公开
公开(公告)号：EP4309881A3
公开(公告)日：2024-03-27
申请号：EP23183118.1
申请日：2023-07-03
申请人： Rohr, Inc.
发明人： HUANG, Jonathan S. , VAN TOOREN, Michael , ELLIOTT, Dominic J. , WOODS, Jeffrey D.
IPC分类号： B29C65/36 , B29C65/78 , B29C65/00 , B29L31/30
摘要： A welding assembly (530) is disclosed. The welding assembly (530) includes a plurality of separately controllable actuators (570) (e.g., pneumatic, having an axially movable ram) to press a corresponding portion of a first workpiece (e.g., a discrete flange (512) of a first stiffener (510)) against a second workpiece (e.g., an outer skin (502)) for welding operations (e.g., via induction welding).

6. 发明公开

EP4331997A1 LONG THROW LATCH 审中-公开
公开(公告)号：EP4331997A1
公开(公告)日：2024-03-06
申请号：EP22306311.6
申请日：2022-09-05
申请人： Rohr, Inc.
发明人： BUCHET, Damien
IPC分类号： B64D29/06 , E05B41/00 , E05C19/14 , F02K1/76
摘要： There is provided a latch mechanism (200) for joining two portions (110, 120) of a gas turbine engine, the latch mechanism being moveable between an open and a closed position. The latch mechanism comprises a first member (210) configured to be attachable to a first portion (110) of a gas turbine engine; a second member (220) pivotally attached to the first member (210), wherein the first member (210) is attached to the second member (220) at a first position (221); a handle (240) pivotally attached to the second member (220), wherein the handle (240) is attached to the second member (220) at a second position (222); and a third member (230) pivotally attached to the second member (220). The third member (230) is attached to the second member (220) at a third position (223), the third position (223) being between the first position (221) and the second position (222), and wherein the third member (230) comprises securing means (231) for securing the third member (230) to a second portion (120) of a gas turbine engine. The latch mechanism further comprises a locking device comprising retaining means (251) configured to retain the latch mechanism (200) in its closed position.

7. 发明公开

EP4317673A1 THRUST REVERSER CASCADE WITH ONE OR MORE FLOW STABILIZERS 审中-公开
公开(公告)号：EP4317673A1
公开(公告)日：2024-02-07
申请号：EP23189030.2
申请日：2023-08-01
申请人： Rohr, Inc.
发明人： WINKLER, Julian , CHIEN, Wentaur E. , HU, Xiaolan , DONG, Landy
IPC分类号： F02K1/60 , F02K1/62 , F02K1/72
摘要： An apparatus (20) is provided for an aircraft propulsion system (22). This apparatus (20) includes a thrust reverser cascade (64) extending longitudinally between a cascade forward end (68) and a cascade aft end (70). The thrust reverser cascade (64) extends laterally between a cascade first side (72) and a cascade second side (74). The thrust reverser cascade (64) extends radially between a cascade inner face (76) and a cascade outer face (78). The thrust reverser cascade (64) includes a plurality of vanes (86) and a wall (100). The vanes (86) are arranged in a longitudinally extending array along the cascade inner face (76). The vanes (86) include a first vane (86B) and a second vane (86C). The wall (100) is configured to block gas flow radially through the thrust reverser cascade (64) between the first vane (86B) and the second vane (86C).

8. 发明公开

EP4289723A1 BALK DEVICE FOR DOOR LOCK 审中-公开
公开(公告)号：EP4289723A1
公开(公告)日：2023-12-13
申请号：EP23178283.0
申请日：2023-06-08
申请人： Rohr, Inc.
发明人： GHANDOUR, Imad D. , HUYNH, Ken V.
IPC分类号： B64C1/14 , B64D29/06 , E05B63/18
摘要： An assembly is provided for an aircraft. This aircraft assembly includes a latch (50), a balk element (62) and a fitting (36). The latch (50) is movable between an unlocked position and a locked position. The balk element (62) is rotatable between a balked position and an un-balked position. The balk element (62) is configured to block the latch (50) from moving to the locked position when the balk element (62) is in the balked position. The fitting (36) includes a keeper (46). The fitting (36) is movable between an open position and a closed position. The fitting (36) is configured to push the balk element (62) into the un-balked position as the fitting (36) moves into the closed position. The latch (50) is configured to move to the locked position and engage the keeper (46) when the fitting (36) is in the closed position.

9. 发明公开

EP4282627A1 CERAMIC COATING HEAT SHIELD FOR INDUCTION WELDING 审中-公开
公开(公告)号：EP4282627A1
公开(公告)日：2023-11-29
申请号：EP23175194.2
申请日：2023-05-24
申请人： Rohr, Inc.
发明人： VAN TOOREN, Michael , WOODS, Jeffrey D.
IPC分类号： B29C65/36 , B29C65/00 , B29L31/30
摘要： An assembly is provided for induction welding. This assembly utilizes a heat shield (e.g., a mica heat shield) (322) with a recess (324). An induction welding coil (312) may be disposed within this heat shield recess (324) during induction welding operations. The wall thickness of the heat shield (322) within the recess (324) may be reduced to enhance heat transfer to a workpiece during induction welding operations. The heat shield (322) may be coated with a ceramic coating (809) to enhance the heat shield's heat resistance and reduce heat shield flaking at the recess during induction welding operations.

10. 发明公开

EP4243009A3 ADDITIVE MANUFACTURING OF UNIT CELL RESONATOR NETWORKS FOR ACOUSTIC DAMPING 审中-公开
公开(公告)号：EP4243009A3
公开(公告)日：2023-11-15
申请号：EP23159754.3
申请日：2023-03-02
申请人： Rohr, Inc.
发明人： MENDOZA, Jeffrey M. , WINKLER, Julian , REIMANN, Craig A. , HOMMA, Kenji , BRAUNWART, Paul R. , BINEK, Lawrence A. , GROLMAN, Danielle L.
IPC分类号： G10K11/172
摘要： An additively manufactured noise attenuation panel (3500) for a structure within an aircraft structure includes a plurality of unit cells, each including a central body interconnected via a plurality of tubes extending from the central body. The noise attenuation panel may include an increasing wall thickness in a desired direction. A layers (3551; 3552) of unit cells may be manufactured in a twisted orientation with respect to an immediately adjacent layer (3551; 3552) of unit cells. Layers of unit cells may be manufactured in a rounded or bent orientation with respect to a central axis (3594). The noise attenuation panel may further comprise a disk and a blended transition located at the interface between the disk and an interior surface of a unit cell.

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