-
1.发明授权Method and apparatus for vane segment support and alignment in combustion turbines 失效燃气轮机叶片段支撑和对准的方法和装置
公开(公告)号：US4890978A
公开(公告)日：1990-01-02
申请号：US259811
申请日：1988-10-19
CPC分类号： F01D9/04 , F01D25/246 , F05D2230/644
摘要： Methods and apparatus for vane segment alignment and support in a combustion turbine. The vane segment alignment device is comprised of a rotatable, eccentric bushing and pin which is inserted into a slot of the vane segment. The eccentric bushing is further comprised of a cover plate which is peened to a splined torque plate thus holding the eccentric bushing in place against the vane segment but allowing for fine adjustments of the alignment of the vane segments. The vane segment support and alignment device provides for efficient and economical adjustment of the vane segments especially in electric generating plants where combustion turbines undergo high peak load operation. Additionally, the vane segment support and alignment device transfers torques and moments generated by aerodynamic flow from the vane segments to an inner cylinder thereby reducing the amount of misalignment due to aerodynamic drag.
-
公开(公告)号：US4915587A
公开(公告)日：1990-04-10
申请号：US261668
申请日：1988-10-24
CPC分类号： F01D5/326
摘要： An apparatus and method is provided for locking side entry blades, in a rotor, such as used in compressors, turbines and fans. The apparatus utilizes arcuate locking devices retained in a circumferential groove in the periphery of the rotor. Each locking device features a key which engages a keyway in the side of the blade root shank. Use of the locking devices does not require that the blades having abutting platforms.
-
3.发明授权
公开(公告)号：US5361578A
公开(公告)日：1994-11-08
申请号：US161217
申请日：1993-12-02
申请人： John P. Donlan
发明人： John P. Donlan
CPC分类号： F23D17/002 , F02C3/30 , F23L7/005 , F23R3/36 , F23D2211/00 , F23R2900/00001
摘要： A fuel nozzle assembly is provided having the capability of burning either gaseous or liquid fuel, or both simultaneously, along with steam injection. The nozzle has a nozzle body that is attached to a nozzle cap by inner, outer and middle sleeves. The sleeves form inner and outer concentric annular conduits between themselves for directing the flow of gaseous fuel and steam from the fuel and steam inlet ports to the outlet ports. In addition, the inner sleeve forms a central chamber in which an oil fuel nozzle is disposed. Radial passages in the nozzle body allow cooling air to flow over the oil nozzle and through the oil outlet port, thereby preventing coking at the nozzle tip. The fuel nozzle assembly is originally built, and the nozzle cap is replaced, by sliding the sleeves forward and aft on the assembly so as to gain access to the next innermost sleeve.
摘要翻译： 提供燃料喷嘴组件，其具有同时燃烧气体或液体燃料或同时燃烧的能力以及蒸汽喷射。 喷嘴具有通过内套筒，外套筒和中套筒连接到喷嘴盖的喷嘴体。 套筒在它们之间形成内部和外部同心环形管道，用于将气体燃料和蒸汽从燃料和蒸汽入口端口引导到出口。 此外，内套筒形成中央室，其中设置油燃料喷嘴。 喷嘴体中的径向通道允许冷却空气流过油嘴并通过出油口，从而防止喷嘴尖端的焦化。 最初构建燃料喷嘴组件，并通过在组件上向前和向后滑动套筒来更换喷嘴帽，以便进入下一个最内套筒。
-
公开(公告)号：US4930980A
公开(公告)日：1990-06-05
申请号：US310554
申请日：1989-02-15
CPC分类号： F01D11/001 , F01D5/188
摘要： A cooled turbine vane in a multistage gas turbine is cooled with a fluid and a major portion of the fluid is dissipated into the gas flow path. A minor portion is supplied to a seal housing and seal for cooling the seal housing and for providing sufficiently cool fluid to the seal. The vane has a hollow airfoil body fixedly attached to the seal housing via an inner shroud and to a blade ring via an outer shroud. An inlet inot the hollow interior of the airfoil body through the outer shroud is in flow communication with a source of coolant fluid. An outlet in the inner shroud is in flow communication with the seal and its housing. Ports in the airfoil body extending from its hollow interior are in flow communication with the gas flow path. In a preferred cooled turbine vane, the coolant fluid in the airfoil body flows through return bends with reduced stagnant zons and flow resistance for increasing the heat transfer across the surfaces of the airfoil body around the bends and for reducing the pressure drop in the bend areas. A bend at the inner shroud is adjacent the outlet and a bend adjacent the outer shroud is adjacent a port for flowing the coolant fluid out of the stagnant zones in the bends.
-
公开(公告)号：US5104286A
公开(公告)日：1992-04-14
申请号：US652693
申请日：1991-02-08
申请人： John P. Donlan
发明人： John P. Donlan
CPC分类号： F01D25/30 , F01D11/005
摘要： A seal is provided to prevent the recirculation of hot gas through an annular cavity formed between the outer flow liner of a diffuser and an exhaust cylinder in the exhaust section of a gas turbine. The seal is formed from a high temperature cloth, such as fiber glass, which is sandwiched between two layers of a fine wire mesh. The seal is comprised of a plurality of arcuate segments. Although the cloth has a rectangular shape when in its undeformed state, it takes an arcuate shape as a result of being crimped within inner and outer arcuate channels. The seal is retained by sliding the channels into circumferential grooves in the exhaust cylinder and outer flow liner. An expansion loop is formed in the seal to allow for differential expansion between the exhaust cylinder and the outer liner.
摘要翻译： 提供密封件以防止热气体通过形成在燃气轮机的排气部分中的扩散器的外部流动衬套和排气缸之间的环形腔再循环。 密封件由夹在两层细金属丝网之间的高温布，例如玻璃纤维形成。 密封件由多个弧形段构成。 虽然布在其未变形状态下具有矩形形状，但是由于在内部和外部弓形通道内卷曲，因此其呈弓形。 通过将通道滑入排气筒和外部流动衬套中的周向凹槽来保持密封。 在密封件中形成膨胀回路以允许排气缸和外衬套之间的差动膨胀。
-
6.发明授权
公开(公告)号：US4286921A
公开(公告)日：1981-09-01
申请号：US103136
申请日：1979-12-13
申请人： John P. Donlan , Alfred R. Krauss
发明人： John P. Donlan , Alfred R. Krauss
CPC分类号： F01D11/001 , F05D2230/644
摘要： Locking structure for maintaining a set position in assembling an annular seal ring housing to a stationary inner shroud of an annular array of vane segments of a combustion turbine engine. This permits an adjustable assembly for obtaining concentricity between the seal and the adjacent rotor structure. Thus, the seal ring is mounted to the vane segments through an adjustable mounting arrangement that, upon assembly of the two, permits the seal ring to be aligned concentrically about the rotor. Once concentricity is obtained, the mounting components must be locked in such position to maintain such concentricity. The present invention provides a bracket attached to the adjustable mounting structure to lock it in the set position.
摘要翻译： 用于在将环形密封环壳体组装到燃气涡轮发动机的叶片段的环形阵列的固定内护罩上时保持设定位置的锁定结构。 这允许用于获得密封件和相邻转子结构之间的同心度的可调组件。 因此，密封环通过可调整的安装装置安装到叶片节段上，当安装两者时，可以使密封环围绕转子同心对准。 一旦获得同心度，则必须将安装部件锁定在这样的位置以保持这种同心度。 本发明提供了一种附接到可调安装结构的支架，以将其锁定在设定位置。
-
公开(公告)号：US5247790A
公开(公告)日：1993-09-28
申请号：US946691
申请日：1992-09-18
申请人： John P. Donlan , Jeffrey C. Eddy
发明人： John P. Donlan , Jeffrey C. Eddy
CPC分类号： F23D11/38 , F23D14/48 , F23D17/002 , F23D2211/00
摘要： A gas turbine fuel nozzle assembly having a replaceable nozzle cap. The nozzle assembly is comprised of a base portion and a nozzle cap. The nozzle base is secured to a combustion system and contains inlet ports for receiving either gas and oil fuel or gas fuel and steam, depending on the nozzle assembly configuration. The nozzle cap has outlet ports for injecting either gas and oil fuel or gas fuel and steam. The nozzle cap is connected to the nozzle base by inner and outer sleeves that form an annular conduit by which the gas flows from an inlet port in the base to an outlet port in the cap. In addition, the inner sleeve, which has an expansion joint formed therein, forms a central cavity that either holds an oil spray nozzle or forms a steam passage, depending on the nozzle assembly configuration. The nozzle cap is detachably coupled to the base by first and second threaded joints formed in the inner and outer sleeves, respectively. A locknut presses a front portion of the outer sleeve against a rear portion of the outer sleeve to form a first secure, but detachable, joint. A lock tube pulls a front portion of the inner sleeve against a rear portion of the inner sleeve to form a second secure, but detachable, joint. Anti-rotation pins and seals are disposed in both the first and second joints.
-
公开(公告)号：US5141394A
公开(公告)日：1992-08-25
申请号：US597974
申请日：1990-10-10
申请人： John P. Donlan
发明人： John P. Donlan
CPC分类号： F01D25/246 , F05D2230/642 , F05D2230/644
摘要： An apparatus and method are provided for aligning and supporting vane segments in the turbine section of a gas turbine. According to the invention, the vane segments are supported and aligned to an inner cylinder. The apparatus features a plate, having threaded holes, which is fixed to the inner cylinder. A threaded plug, having an eccentric hole, is threaded into each threaded hole in the plate. A pin, having flats and a chamfer formed at one end, is inserted into the eccentric hole in the plug. At assembly, the plug is rotated in the threaded hole and the pin is rotated in the eccentric hole until the pin enters a slot in the inner shroud of the vane segment. The pin supports and aligns the vane segment by bearing against a side of the slot. The plug is locked in place by a nut threaded onto the plug.
摘要翻译： 提供了一种用于对准和支撑燃气轮机的涡轮部分中的叶片段的装置和方法。 根据本发明，叶片段被支撑并对齐到内筒。 该装置具有板，其具有固定到内筒的螺纹孔。 具有偏心孔的螺纹塞子被拧入板中的每个螺纹孔中。 具有平面的销和在一端形成的倒角被插入到插头的偏心孔中。 在组装时，插头在螺纹孔中旋转，并且销在偏心孔中旋转，直到销进入叶片段的内护罩中的狭槽。 销支撑并通过轴承抵靠槽的侧面对准叶片段。 插头通过拧在插头上的螺母锁定就位。
-
-
-
-
-
-
-
搜索结果
8 条记录 (耗时 0.026 秒)
