公开(公告)号：US09771821B1

公开(公告)日：2017-09-26

申请号：US14739536

申请日：2015-06-15

申请人： Jacob A Mills ,  Russell B Jones ,  Thomas D Sexton

发明人： Jacob A Mills ,  Russell B Jones ,  Thomas D Sexton

IPC分类号： F01D11/02 ,  F01D1/02

CPC分类号： F01D11/025 ,  F01D11/04 ,  F05D2240/511 ,  F05D2300/507 ,  F16J15/441 ,  F16J15/445 ,  F16J15/453

摘要： An interstage seal for a turbine of a gas turbine engine, the interstage seal having a seal carrier with an axial extending seal tooth movable with a stator of the engine, and a rotor with a seal surface that forms the interstage seal with the seal tooth, where a magnetic force produced by two magnets and a gas force produced by a gas pressure acting on the seal carrier forms a balancing force to maintain a close clearance of the seal without the seal tooth contacting the rotor seal surfaces during engine operation. In other embodiments, two pairs of magnets produce first and second magnetic forces that balance the seal in the engine.

公开(公告)号：US09175608B1

公开(公告)日：2015-11-03

申请号：US13793853

申请日：2013-03-11

申请人： Jacob A Mills

发明人： Jacob A Mills

IPC分类号： F04D29/08 ,  F02C7/28

CPC分类号： F02C7/28 ,  F01D11/003 ,  F01D11/04

摘要： A floating air riding seal for a gas turbine engine with a rotor and a stator, an annular piston chamber with an axial moveable annular piston assembly within the annular piston chamber, an annular cavity formed on the annular piston assembly that faces a seal surface on the rotor, and a central passage connecting the annular cavity to the annular piston chamber to supply compressed air to the seal face, where the annular piston assembly is a split piston assembly to maintain a tight seal as coning of the rotor disk occurs.

摘要翻译： 一种用于具有转子和定子的燃气涡轮发动机的浮动空气密封件，在环形活塞室内具有轴向可移动环形活塞组件的环形活塞室，形成在环形活塞组件上的环形空腔， 转子以及将环形空腔连接到环形活塞室以将压缩空气供应到密封面的中心通道，其中环形活塞组件是分体式活塞组件，以在发生转子盘的锥形时保持紧密的密封。

公开(公告)号：US08992090B1

公开(公告)日：2015-03-31

申请号：US13864006

申请日：2013-04-16

申请人： Jacob A Mills

发明人： Jacob A Mills

IPC分类号： F16C33/66 ,  F01D25/18 ,  F01D25/16

CPC分类号： F01D25/18 ,  F01D25/162 ,  F05D2260/602 ,  F16C19/06 ,  F16C33/6685 ,  F16C33/726 ,  F16C35/042 ,  F16C2360/23

摘要： A gravity drained bearing compartment with two oil shields that are located near to an air vent and an oil scavenge line, where the oil shields function to reduce circumferential momentum of the oil to prevent oil from entering the air vent and direct oil into the scavenge line.

摘要翻译： 具有两个油屏蔽的重力排水轴承室，位于靠近通风口和清油管道处，其中油屏蔽件用于减小油的循环动量，以防止油进入排气口并将油引导到清除线 。

公开(公告)号：US09732621B1

公开(公告)日：2017-08-15

申请号：US14548492

申请日：2014-11-20

申请人： Thomas D Sexton ,  Jacob A Mills

发明人： Thomas D Sexton ,  Jacob A Mills

IPC分类号： F01D11/00 ,  F01D11/02 ,  F01D11/10

CPC分类号： F01D11/025 ,  F01D11/003 ,  F01D11/02 ,  F01D11/04

摘要： An air riding seal for a turbine in a gas turbine engine, where an annular piston is axial moveable within an annular piston chamber formed in a stator of the turbine and forms a seal with a surface on the rotor using pressurized air that forms a cushion in a pocket of the annular piston. A purge cavity is formed on the annular piston and is connected to a purge hole that extends through the annular piston to a lower pressure region around the annular piston or through the rotor to an opposite side. The annular piston is sealed also with inner and outer seals that can be a labyrinth seal to form an additional seal than the cushion of air in the pocket to prevent the face of the air riding seal from overheating.

公开(公告)号：US09732622B1

公开(公告)日：2017-08-15

申请号：US14740317

申请日：2015-06-16

申请人： Jacob A Mills

发明人： Jacob A Mills

IPC分类号： F01D11/02 ,  F16J15/34

CPC分类号： F01D11/025 ,  F01D11/02 ,  F05D2240/55 ,  F16J15/342 ,  F16J15/3448 ,  F16J15/346

摘要： A turbine of a gas turbine engine has an air riding seal that forms a seal between a rotor and a stator of the turbine, the air riding seal including an annular piston movable in an axial direction under the influence of a pressure on one side with a pressure acting on an opposite side that self-balances the air riding seal during the steady state condition of the engine and lifts off the seal during engine transients.

公开(公告)号：US09394799B1

公开(公告)日：2016-07-19

申请号：US14795095

申请日：2015-07-09

申请人： Jacob A Mills ,  Wesley D Brown ,  Thomas D Sexton ,  Russell B Jones

发明人： Jacob A Mills ,  Wesley D Brown ,  Thomas D Sexton ,  Russell B Jones

IPC分类号： F16J15/34 ,  F01D11/02

CPC分类号： F01D11/025 ,  F01D11/003 ,  F16J15/34 ,  F16J15/3448

摘要： An air riding seal between a rotor and a stator in a turbine of a gas turbine engine, where an annular piston is movable in an axial direction within a housing that extends from the stator, and a bellows is secured to the annular piston to form a flexible air passageway from a compressed air inlet through the annular piston and into a cushion cavity that forms an air riding seal between the annular piston and the rotor sealing surface. In another embodiment, a flexible seal secured to and extending from the annular piston forms a sealing surface between the annular piston chamber and the annular piston to provide a seal and allow for axial movement.

摘要翻译： 在燃气涡轮发动机的涡轮机中的转子和定子之间的空气骑行密封件，其中环形活塞在从定子延伸的壳体内的轴向方向上可移动，并且波纹管固定到环形活塞以形成 柔性空气通道从压缩空气入口通过环形活塞并进入缓冲腔，其在环形活塞和转子密封表面之间形成空气密封。 在另一个实施例中，固定到环形活塞并从环形活塞延伸的柔性密封件在环形活塞室和环形活塞之间形成密封表面，以提供密封并允许轴向移动。