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公开(公告)号：US5737915A
公开(公告)日：1998-04-14
申请号：US598885
申请日：1996-02-09
摘要： In a gas turbine having a transition region between a combustor and turbine stage including a transition piece duct extending between a combustor liner and the turbine stage; an impingement sleeve surrounding the transition piece, the impingement sleeve having a plurality of apertures therein; and a compressor diffuser directing compressor discharge air into the transition region, an improvement wherein the diffuser includes a pair of outer walls flaring outwardly in a direction of compressor discharge air flow; and a pair of baffles within a flow area defined by the pair of outer diffuser walls which divide the flow area into three discrete flow passages. One passage has a substantially radial flow component; a second passage has both radial and axial flow components; and a third passage has a substantially axial flow component.
摘要翻译： 在具有在燃烧器和涡轮级之间的过渡区域的燃气涡轮机中，该过渡区域包括在燃烧器衬套和涡轮级之间延伸的过渡件管道; 围绕所述过渡件的冲击套筒，所述冲击套筒中具有多个孔; 以及压缩机扩压器，其将压缩机排出空气进入过渡区域，其中扩散器包括沿压缩机排出气流的方向向外扩张的一对外壁; 以及由一对外扩散壁限定的流动区域内的一对挡板，其将流动区域分成三个离散的流动通道。 一个通道具有基本上径向的流动分量; 第二通道具有径向和轴向流动分量; 并且第三通道具有基本上轴向的流动分量。
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公开(公告)号：US20240344530A1
公开(公告)日：2024-10-17
申请号：US18755054
申请日：2024-06-26
CPC分类号： F04D29/66 , F01D9/041 , F01D25/24 , F02C7/045 , F04D29/54 , F04D29/663 , F05D2220/32 , F05D2240/127 , F05D2240/14 , F05D2260/14
摘要： A turbofan engine is provided. The turbofan engine includes a fan having a plurality of fan blades; a turbomachine operably coupled to the fan for driving the fan, the turbomachine having a compressor section, a combustion section, and a turbine section in serial flow order and together defining a core air flowpath; a nacelle surrounding and at least partially enclosing the fan, the nacelle defining a radius and a longitudinal axis; and an inlet pre-swirl vane located upstream of the plurality of fan blades and defining a chord, the inlet pre-swirl vane coupled to the nacelle, wherein the inlet pre-swirl vane is angled at a first angle with respect to the radius of the nacelle, and wherein the chord of the inlet pre-swirl vane is angled at a second angle with respect to the longitudinal axis of the nacelle.
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公开(公告)号：US12104821B2
公开(公告)日：2024-10-01
申请号：US18315100
申请日：2023-05-10
申请人： Iris Ohyama Inc.
IPC分类号： F24F13/08 , F04D25/06 , F04D25/08 , F04D25/10 , F04D27/00 , F04D29/52 , F04D29/54 , F04D29/70 , F24F7/007 , F24F13/20
CPC分类号： F24F13/082 , F04D25/08 , F04D25/105 , F04D27/004 , F04D29/522 , F04D29/54 , F04D29/544 , F04D29/545 , F04D29/703 , F24F7/007 , F24F13/20 , F04D25/0693 , F05D2210/12 , F24F2013/205 , F24F2221/38
摘要： An air circulator includes a blower unit that is provided with an airflow opening on a front side of the blower unit. A grill is provided in the airflow opening, and is provided with airflow guide blades in a spiral manner. The air circulator also includes a controller that achieves a rhythm air in which weak wind and strong wind are switched over by controlling a rotational speed of a motor of the blower unit. The grill is provided with plural airflow guide blades in a spiral manner. Inner end portions of the airflow guide blades closer to the center of the spiral of the airflow guide blades are protruded from outer end portions if the airflow guide blades in an airflow direction.
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公开(公告)号：US11643911B2
公开(公告)日：2023-05-09
申请号：US16320524
申请日：2017-06-07
IPC分类号： E21B43/12 , F04D1/06 , F04D13/10 , F04D29/02 , F04D29/40 , F04D29/22 , F04D13/08 , F04D29/041 , F04D31/00 , F04D13/06 , F04D29/18 , F04D13/14 , F04D29/54 , F04D29/52 , F04D29/04
CPC分类号： E21B43/128 , E21B43/12 , F04D1/06 , F04D13/0693 , F04D13/086 , F04D13/10 , F04D29/026 , F04D29/041 , F04D29/186 , F04D29/2227 , F04D29/406 , F04D31/00 , F04D13/0646 , F04D13/14 , F04D29/04 , F04D29/528 , F04D29/54
摘要： An electric submersible pumping system is constructed with an outer housing which contains an integrated pump and motor. The pump may comprise an impeller disposed within a stator of the motor to form an integrated pump and the motor. An electric submersible pumping system includes a stator having a passage extending longitudinally through the stator. A plurality of stages, including impellers and diffusers, are disposed within the passage.
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公开(公告)号：US20190219065A1
公开(公告)日：2019-07-18
申请号：US16329075
申请日：2017-11-14
申请人： Hitachi, Ltd.
发明人： Yohei TANNO , Tomohiro NARUSE , Takeshi KAZAMA , Ryuhei TSUKAHARA
IPC分类号： F04D29/44
CPC分类号： F04D29/44 , F04D29/42 , F04D29/54 , F05D2240/12 , F05D2260/60
摘要： A casing of a turbo machine includes a casing body having an inner space; an intake nozzle which is disposed on the casing body and through which a fluid is taken into the casing body; and a straightening vane disposed in the intake nozzle and having opposite ends located in a diameter direction of the intake nozzle. Only one of the opposite ends of the straightening vane is joined to an inner surface of the intake nozzle.
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公开(公告)号：US10060631B2
公开(公告)日：2018-08-28
申请号：US14911158
申请日：2014-08-29
IPC分类号： F23R3/00 , F23R3/60 , F02C3/14 , F01D25/16 , F01D25/24 , F01D9/04 , F02C7/20 , F23R3/04 , F04D29/54
CPC分类号： F23R3/60 , F01D9/041 , F01D25/162 , F01D25/24 , F01D25/243 , F02C3/14 , F02C7/20 , F04D29/54 , F04D29/542 , F23R3/04 , Y02T50/671 , Y02T50/675
摘要： A hybrid diffuser case for a gas turbine engine includes an outer diffuser case wall that extends downstream from an annular outer pre-diffuser case shroud. An inner diffuser case wall extends downstream from an annular inner pre-diffuser case shroud. A multiple of struts extend between the annular outer pre-diffuser case shroud and the annular inner pre-diffuser case shroud.
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公开(公告)号：US20180106270A1
公开(公告)日：2018-04-19
申请号：US15785855
申请日：2017-10-17
CPC分类号： F04D29/54 , F04D29/181 , F04D29/542 , F04D31/00
摘要： The present disclosure describes a diffuser (2) for a fluid compression device, comprising at least one vane (4) mounted on a hub. In embodiments of the disclosure, at least one opening (5) is provided in the diffuser vanes (4), in the radial direction.
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公开(公告)号：US20170284414A1
公开(公告)日：2017-10-05
申请号：US15324202
申请日：2014-12-04
CPC分类号： F04D29/54 , A01B76/00 , F04D29/325 , F04D29/329 , F04D29/34 , F04D29/384 , F04D29/541 , F04D29/545 , F04D29/668
摘要： One describes a rotor (1) for an exhaust-fan assembly (4) of an 5 agricultural machine, the rotor (1) comprising a central shaft (7), a first portion (31) provided with an inlet deflector (15) having a substantially elliptical profile, defining a tapered inlet end (26). The rotor, which is also provided with a set of blades (13), further comprises a second portion (29) provided with an outlet deflector (22) having a substantially elliptical profile, so that the 10 first and the second portions (31, 29) are associated to the central shaft (7). According to the invention, one provides a rotor that promotes efficient cleaning of harvested cane.
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公开(公告)号：US20160195275A1
公开(公告)日：2016-07-07
申请号：US14911158
申请日：2014-08-29
CPC分类号： F23R3/60 , F01D9/041 , F01D25/162 , F01D25/24 , F01D25/243 , F02C3/14 , F02C7/20 , F04D29/54 , F04D29/542 , F23R3/04 , Y02T50/671 , Y02T50/675
摘要： A hybrid diffuser case for a gas turbine engine includes an outer diffuser case wall that extends downstream from an annular outer pre-diffuser case shroud. An inner diffuser case wall extends downstream from an annular inner pre-diffuser case shroud. A multiple of struts extend between the annular outer pre-diffuser case shroud and the annular inner pre-diffuser case shroud.
摘要翻译： 用于燃气涡轮发动机的混合式扩散器壳体包括从环形外部预扩散器壳体护罩的下游延伸的外部扩散器壳体壁。 内部扩散器壳壁从环形内部预扩散器壳体护罩的下游延伸。 多个支柱在环形外部预扩散器壳体护罩和环形内部预扩散器壳体护罩之间延伸。
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公开(公告)号：US09382917B2
公开(公告)日：2016-07-05
申请号：US13701910
申请日：2011-05-27
申请人： Loic Olivier
发明人： Loic Olivier
CPC分类号： F04D29/54 , B29B11/16 , B29C70/222 , Y10T428/1362 , Y10T428/24488
摘要： A fibrous structure for fabricating a composite part including a matrix reinforced by the fibrous structure, the fibrous structure being made by three-dimensional weaving and presenting a main portion and a margin adjacent to the main portion. The margin presents a thickness greater than the thickness of the main portion and the margin includes a first portion arranged in continuity with the main portion and a second portion superposed on the first portion to constitute extra thickness, the margin thus being configured to be folded towards the second portion so that the first and second portions respectively form a flange and a counter-flange for fastening the part.
摘要翻译： 一种用于制造复合部件的纤维结构体，所述复合部件包括由所述纤维结构体增强的基体，所述纤维结构体通过三维编织而形成，并且具有与所述主要部分相邻的主要部分和边缘。 边缘的厚度大于主要部分的厚度，并且边缘包括与主要部分连续布置的第一部分和叠置在第一部分上的第二部分以构成额外的厚度，因此边缘被构造成朝向 第二部分使得第一和第二部分分别形成用于紧固部件的凸缘和相对凸缘。
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