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1. 发明申请

US20160245291A1 SELF-PRIMING CENTRIFUGAL PUMP 审中-公开
标题翻译：自吸式离心泵
公开(公告)号：US20160245291A1
公开(公告)日：2016-08-25
申请号：US14625732
申请日：2015-02-19
申请人： Franklin Electric Co., Inc.
发明人： William M. Carnes
IPC分类号： F04D17/10 , F04D29/42 , F04D29/62 , F04D25/02
CPC分类号： F04D9/06 , F04D9/02
摘要： A self-priming centrifugal pump has enhanced efficiency and performance characteristics and/or features which facilitate installation, inspection and maintenance of the pump. For efficiency and performance, the pump may include a smooth fluid flow path which enhances pump output for a given input power, including one or more of a specially shaped and directed volute discharge, a lack of internal stiffening ribs on the pump casing walls, a necked inlet and a rounded, flow-channeling outlet aperture. For maintenance and serviceability, the pump may include one or more of a coarse-threaded drive shaft and impeller with a concentricity feature, a combination port for both filling the casing and accessing the inlet flapper valve, and a drive disassembly system which facilitates attachment or removal of the drive system from the pump.
摘要翻译：自吸式离心泵具有提高的效率和性能特征和/或特征，便于泵的安装，检查和维护。为了效率和性能，泵可以包括平滑的流体流动路径，其增强给定输入功率的泵输出，包括特殊形状和定向的涡流排放中的一个或多个，泵壳体壁上缺少内部加强肋，颈部入口和圆形的流动通道出口孔。为了维护和可维护性，泵可以包括具有同心度特征的粗螺纹驱动轴和叶轮中的一个或多个，用于填充壳体和进入入口挡板阀的组合端口以及便于附接或从泵中取出驱动系统。

2. 发明申请

US20130213369A1 EJECTOR 有权
公开(公告)号：US20130213369A1
公开(公告)日：2013-08-22
申请号：US13770522
申请日：2013-02-19
申请人： Yukihiro DOKO , Jun IKEDA
发明人： Yukihiro DOKO , Jun IKEDA
IPC分类号： F01M13/02 , F02M25/06
CPC分类号： F01M13/023 , F01M2013/026 , F02M25/06 , F04D9/06 , Y02T10/121
摘要： An ejector includes: a decompression chamber in an outer pipe on an air entrance side; a throat in the outer pipe on an air exit side; a nozzle in the outer pipe on the air entrance side, the nozzle having a leading end portion placed in a decompression chamber to inject air; and a suction port in the decompression chamber to suck blow-by gas into the decompression chamber. The air injected from the nozzle generates negative pressure in the decompression chamber to suck in blow-by gas through the suction port, and the sucked gas is discharged together with air through a throat. The valve in the nozzle includes a valve seat, a valve element, and a spring to press the valve element in a direction to separate from the valve seat. The valve element is formed with a bottom-closed cavity opening toward an upstream side of an air flow.
摘要翻译：喷射器包括：在空气入口侧的外管中的减压室; 空气出口侧的外管中的喉部; 在空气入口侧的外管中的喷嘴，所述喷嘴具有设置在减压室中的前端部以喷射空气; 以及减压室中的吸入口，以将窜气吸入减压室。从喷嘴喷射的空气在减压室中产生负压，以通过吸入口吸入窜气，并且吸入的气体与空气一起通过喉部排出。喷嘴中的阀包括阀座，阀元件和弹簧，以沿与阀座分离的方向按压阀元件。阀元件形成有向空气流的上游侧开口的底部封闭的腔。

3. 发明申请

US20050271518A1 Pumping method and system 审中-公开
标题翻译：抽水方法和系统
公开(公告)号：US20050271518A1
公开(公告)日：2005-12-08
申请号：US10860993
申请日：2004-06-04
申请人： Jason Beyer , John Kelly , Rod Mrkvicka
发明人： Jason Beyer , John Kelly , Rod Mrkvicka
IPC分类号： F04B17/00 , F04B49/00 , F04D9/04 , F04D9/06
CPC分类号： F04D9/06 , F04D9/042
摘要： A pumping system having a main pump with a controller and a primer. The primer includes a vacuum source for drawing priming fluid into the pump, a vibratory fork liquid sensor which constantly senses for priming fluid, and a primer controller which connects the vacuum source as soon as the sensor does not sense priming fluid. The main pump controller initiates operation of the main pump substantially immediately upon receiving an indication that pumping is desired. A related pump operating method includes continuously sensing for the presence of adequate priming fluid, adding priming fluid to the pump whenever the presence of priming fluid is not sensed, and initiating operation of the pump substantially immediately upon receiving an indication that pumping is desired.
摘要翻译：一种泵送系统，其具有带有控制器和底漆的主泵。底漆包括用于将起动流体引入泵的真空源，不断感测起动流体的振动叉液体传感器，以及一旦传感器不感应起动流体就连接真空源的底漆控制器。主泵控制器在接收到希望进行泵送的指示时基本上立即启动主泵的操作。相关的泵操作方法包括连续检测是否存在足够的起动流体，每当未检测到启动流体的存在时，将启动流体加入到泵中，以及在接收到期望泵送的指示之后基本上立即启动泵的操作。

4. 发明申请

US20040175279A1 Self priming centrifugal pump 失效
标题翻译：自吸离心泵
公开(公告)号：US20040175279A1
公开(公告)日：2004-09-09
申请号：US10482639
申请日：2003-12-26
发明人： Romeo Ramacciotti
IPC分类号： F04B049/00
CPC分类号： F04D9/06 , F04D9/048
摘要： A centrifugal pump comprising a pump body (1) housing an impeller (3) keyed onto a motor shaft (4) and provided with a suction mouth (7) and a discharge mouth (8) capable of being made to communicate with, respectively, a suction pipe (9) and a discharge pipe (10). Between the suction mouth (7) and the suction pipe (9) there is provided a chamber (22) that communicates with a tank (11) situated at a level higher than the level of the pump, said tank being interposed between the discharge mouth (8) and the discharge pipe (10) and in communication with both of them and communicating also with the chamber (22) through a recirculation duct (28) having a section smaller than the section of the suction pipe (9). Between the tank (11) and the chamber (22) there is also provided means (13) for cutting off the flow that are controlled by the pressure existing in the tank to automatically cause the liquid to be recirculated in the tank to automatically cause the liquid to be recirculated through the chamber 822) and into the pump whenever the pressure in the tank drops below a predetermined value.
摘要翻译：一种离心泵，其包括容纳键入电动机轴（4）并设置有吸嘴（7）和排出口（8）的叶轮（3）的泵体（1），所述吸嘴能够分别与所述泵体吸入管（9）和排出管（10）。在吸嘴（7）和抽吸管（9）之间设有一个与位于高于泵水平高度的罐（11）连通的腔室（22），所述罐体位于排出口（8）和排放管（10）连通并且与它们连通并且通过具有小于吸入管（9）的部分的部分的再循环管道（28）与腔室（22）连通。在罐（11）和室（22）之间，还设置有用于切断由存在于罐中的压力控制的流动的装置（13），以自动使液体在罐中再循环，每当罐中的压力下降到预定值以下时，进入泵中。

5. 发明授权

US06682313B1 Compressed air powered pump priming system 有权
标题翻译：压缩空气动力泵启动系统
公开(公告)号：US06682313B1
公开(公告)日：2004-01-27
申请号：US10006978
申请日：2001-12-04
申请人： Michael Sulmone
发明人： Michael Sulmone
IPC分类号： F04B2308
CPC分类号： F04D9/06 , F04F5/22 , F04F5/54
摘要： A pump primer for a pump on a fire truck uses a high-speed compressed air in a venturi in a compressed air chamber to generate a vacuum in a vacuum chamber to prime a pump, with an integral valve which separates the pump from the priming ejectors (venturis), the valve being opened by the compressed air when the primer is activated, the valve being closed by a spring return when the compressed air supply is removed, where water drawn in through the primer is freely drained by gravity to prevent freezing in cold weather.
摘要翻译：用于消防车上的泵的泵底漆在压缩空气室中的文丘里管中使用高速压缩空气，以在真空室中产生真空以引燃泵，其具有将泵与起动喷射器分离的整体阀（venturis），当底漆启动时，阀门被压缩空气打开，当压缩空气供应被移除时，阀门通过弹簧复位关闭，通过底漆吸入的水通过重力自由排出以防止冻结寒冷的天气。

6. 发明授权

US5545005A Centrifugal pump 失效
标题翻译：离心泵
公开(公告)号：US5545005A
公开(公告)日：1996-08-13
申请号：US392774
申请日：1995-02-24
申请人： Martin Stahle
发明人： Martin Stahle
IPC分类号： F04D7/04 , F04D9/00 , F04D9/04 , F04D9/06 , F01D1/10
CPC分类号： F04D7/045 , F04D9/003 , F04D9/06
摘要： The impeller (1) is seated with its impeller hub (3) fixed for rotation on a shaft (4). The drive-side edges of the impeller (1), turn with slight clearance (a), over a pump-housing rear wall (5). The latter forms a labyrinth slot 6) with the impeller (1). The labyrinth slot (6) connects the pump chamber (2') with a hub chamber (7). Within the hub chamber (7), a coaxial vane wheel is connected, fixed for rotation, with the impeller (1) in order to impart a stronger rotary movement to the liquid in the hub chamber (7) and centrifuge it. The hub chamber (7) is provided with a peripheral opening (12) for the emergence of the liquid. The air collecting in the region of the shaft (4) escapes through a slot (10) which is formed by the hub housing wall (20) and the shaft (4). The peripheral opening (12) is arranged in the hub-housing wall (20) and developed as a drive nozzle; it debouches into a space (11) adjoining the hub chamber (7) and connected with it by the slot (10) and is directed against the diffuser pipe (13) and forms a liquid jet pump (12, 13) through which the liquid coming from the hub chamber (7) flows.
摘要翻译： PCT No.PCT / CH94 / 00129 Sec。 371日期：1995年2月24日 102（e）1995年2月24日PCT 1994年6月24日PCT公布。公开号WO95 / 02768 日期1995年1月26日叶轮（1）安装在其叶轮毂（3）上，固定在轴（4）上。叶轮（1）的驱动侧边缘稍微间隙（a）转过泵壳后壁（5）。后者与叶轮（1）形成迷宫槽6）。迷宫槽（6）将泵室（2'）与轮毂室（7）连接。在轮毂室（7）内，同轴叶轮与叶轮（1）连接固定以旋转，以便对轮毂室（7）中的液体赋予更强的旋转运动并将其离心。毂室（7）设置有用于液体出现的周边开口（12）。在轴（4）的区域中收集的空气通过由毂壳体壁（20）和轴（4）形成的槽（10）而逸出。周边开口（12）布置在轮毂壳体壁（20）中并显影为驱动喷嘴; 它连接到与轮毂室（7）相邻的空间（11）中，并通过槽（10）与其相连，并且被引导到扩散管（13）并形成液体喷射泵（12,13），液体从轮毂室（7）流出。

7. 发明授权

US5295171A Combined jet pump and internal pump rercirculation system 失效
标题翻译：组合式喷射泵和内部泵回流系统
公开(公告)号：US5295171A
公开(公告)日：1994-03-15
申请号：US46322
申请日：1993-04-15
申请人： Momtaz M. Aburomia , Larry E. Fennern
发明人： Momtaz M. Aburomia , Larry E. Fennern
IPC分类号： F04F5/10 , F04D9/06 , F04F5/54 , G21C15/02 , G21C15/25 , G21C15/24
CPC分类号： G21C15/25 , F04D9/06 , F04F5/54 , G21Y2002/301 , G21Y2002/40 , G21Y2004/30 , G21Y2004/302 , G21Y2004/305 , Y02E30/40
摘要： A recirculation system for driving reactor coolant water in a downcomer within a reactor pressure vessel includes a jet pump disposed in the downcomer and having a suction inlet at the top thereof and an outlet at the bottom thereof. A reactor internal pump is joined directly to the pressure vessel at an access nozzle thereof and includes a housing sealingly joined to the access nozzle, and in serial flow communication an inlet channel, an impeller, an outlet channel, and an injector nozzle. The inlet channel carries coolant water from the pressure vessel to the impeller which pressurizes the coolant water and returns it through the outlet channel and the injector nozzle for injection into the jet pump inlet. The water injected from the internal pump into the jet pump drives the jet pump for effecting recirculation flow within the pressure vessel.
摘要翻译：用于驱动反应堆压力容器内的降液管中的反应堆冷却水的再循环系统包括设置在降液管中的喷射泵，其顶部具有吸入口，底部具有出口。反应堆内部泵直接连接在压力容器的访问喷嘴处，并且包括密封地接合到接近喷嘴的壳体，并且与入口通道，叶轮，出口通道和喷射器喷嘴串联流动连通。入口通道将冷却水从压力容器运送到叶轮，该叶轮对冷却水加压并将其通过出口通道和喷射器喷嘴返回到喷射泵入口。从内部泵注入喷射泵的水驱动喷射泵，以在压力容器内进行再循环流动。

8. 发明授权

US4820131A Venturi nozzle assembly construction in a shallow well pump casing 失效
标题翻译：文丘里喷嘴组件结构在浅井泵壳中
公开(公告)号：US4820131A
公开(公告)日：1989-04-11
申请号：US92155
申请日：1987-09-02
申请人： Charles S. Johnson
发明人： Charles S. Johnson
IPC分类号： F04D9/06 , F04D29/42 , F04D29/44 , F04B23/04 , F04B39/12
CPC分类号： F04D29/426 , F04D29/445 , F04D9/06
摘要： A shallow well centrifugal pump having a casing forming a fluid flow cavity and having a fluid intake end with a threadless bore and a suction inlet communicating with the cavity through the bore, and a diffuser disposed in the casing cavity and spaced from the casing intake end. The diffuser has a threadless opening defined therein leading to an impeller. A venturi nozzle assembly is supported in the casing cavity between the casing intake end and the diffuser. The assembly has threadless opposite end portions disposed in slidably removable slip fitted relation within the casing intake end and diffuser in the respective threadless bore and opening therein. Endless sealing elements preferably in the form of O-rings are fitted about the respective threadless opposite end portions of the venturi nozzle assembly for providing hermetic seals between the assembly opposite end portions and the casing intake end and the diffuser. The venturi nozzle assembly includes a supply and recirculation fluid intake conduit, a venturi tube and a nozzle which are preferably composed of plastic material and fabricated using injection molding techniques.
摘要翻译：一种浅井离心泵，其具有形成流体流动腔的壳体，并且具有带有无螺纹孔的流体入口端和通过所述孔与空腔连通的吸入口，以及设置在壳体腔中并与壳体进气端隔开的扩散器。扩散器具有限定在其中的无螺纹开口，通向叶轮。文丘里喷嘴组件支撑在壳体进气端和扩散器之间的壳体腔中。组件具有无螺纹的相对端部，其设置在壳体进入端内的可滑动移动的滑动配合关系中，并且在相应的无螺纹孔中的扩散器和其中的开口。优选为O型圈形式的无限密封元件围绕文丘里管喷嘴组件的相应无螺纹相对的端部安装，用于在组件的相对端部和壳体进入端和扩散器之间提供气密密封。文氏管喷嘴组件包括供应和再循环流体进气管道，文丘里管和喷嘴，其优选地由塑料材料组成并且使用注塑技术制造。

9. 发明授权

US3234890A Fluid lift apparatus 失效
标题翻译：流体提升装置
公开(公告)号：US3234890A
公开(公告)日：1966-02-15
申请号：US36066864
申请日：1964-04-17
申请人： ADAMS MOZEL A , CARBONI DOMINICK J
发明人： ADAMS MOZEL A , CARBONI DOMINICK J
IPC分类号： F04D9/06
CPC分类号： F04D9/06

10. 发明授权

US3062149A Impeller pump pressure system and pump unit assembly therefor 失效
标题翻译：叶轮泵压力系统和泵组件组合
公开(公告)号：US3062149A
公开(公告)日：1962-11-06
申请号：US81894559
申请日：1959-06-08
申请人： JACUZZI BROS INC
发明人： CANDIDO JACUZZI
IPC分类号： F04D9/06
CPC分类号： F04D9/06 , Y10T137/2536 , Y10T137/3127

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