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    • 1. 发明授权
    • Centrifugal pump impeller
    • 离心泵叶轮
    • US06220819B1
    • 2001-04-24
    • US09481378
    • 2000-01-12
    • Huan-Jan ChienPao-Yin OuShu-Fen KaoJing-Fuh Chen
    • Huan-Jan ChienPao-Yin OuShu-Fen KaoJing-Fuh Chen
    • B63H116
    • F04D29/2222
    • A centrifugal pump impeller for easy positioning and avoid producing turbulence, includes a hub, a rear cover plate engaged with the hub, a front cover plate having an inlet at a front end thereof, and a plurality of vanes. Each vane has a front blade engaged with the front cover plate, a rear blade engaged with the rear cover plate and a blade to bridge the front and rear blade. The front blade has an indent section adjacent the inlet so that the front end of the front blade wont extend outside the front cover plate when the vane engages with the front cover plate. The rear blade has a curved front edge adjacent the spindle to make closed contact with the hub. The indent section and the curved front edge enable the impeller has smooth surface at the inlet without producing turbulence. The front and rear ends of the rear blade have respectively a vane balance hole and a positioning hole for the vane to be positioned between the front and rear cover plates precisely and easily.
    • 一种用于容易定位并避免产生湍流的离心泵叶轮,包括轮毂,与毂接合的后盖板,其前端具有入口的前盖板和多个叶片。 每个叶片具有与前盖板接合的前叶片,与后盖板接合的后叶片和用于桥接前叶片和后叶片的叶片。 前叶片具有与入口相邻的凹陷部分,使得当叶片与前盖板接合时,前叶片的前端不会延伸到前盖板的外部。 后刀片具有与主轴相邻的弯曲前缘,以与轮毂闭合接触。 凹口部分和弯曲的前边缘使得叶轮在入口处具有光滑的表面而不产生湍流。 后叶片的前端和后端分别具有叶片平衡孔和定位孔,用于使叶片精确且容易地位于前盖板和后盖板之间。
    • 2. 发明授权
    • Sheet metal casing for multistage pump and method for manufacturing the same
    • 用于多级泵的钣金套管及其制造方法
    • US06267555B1
    • 2001-07-31
    • US09481407
    • 2000-01-12
    • Huan-Jan ChienPao-Yin OuShu-Fen KaoRong-Jau Liaw
    • Huan-Jan ChienPao-Yin OuShu-Fen KaoRong-Jau Liaw
    • F01D1100
    • F01D25/24F04D29/4266F05D2230/20F05D2240/14
    • A sheet metal casing for multistage pump and its manufacturing method, the casing includes an outer shell and an inner shell. The outer shell is integrally formed and includes a front end ring, a step positioning ring, an outer shell surface and a positioning end. The inner shell is fixed to the inner side of the outer shell and includes an inner end, an inner shell surface and a step positioning rim. The step positioning rim forms a closed holding space with the outer shell surface for holding and squeezing a seal ring therein. When a plurality of casings being serially mounted on a spindle, the positioning end of a front casing may make contact with the step positioning ring of a rear casing, and the positioning rim of the front inner shell may make contact with the front end ring of the rear outer shell for axially positioning the casings on the spindle.
    • 一种用于多级泵的钣金外壳及其制造方法,所述外壳包括外壳和内壳。 外壳整体形成,包括前端环,台阶定位环,外壳表面和定位端。 内壳固定在外壳的内侧,包括内端,内壳表面和台阶定位边缘。 台阶定位轮缘与外壳表面形成封闭的保持空间,用于在其中保持和挤压密封环。 当多个壳体串联安装在主轴上时,前壳体的定位端可与后壳体的台阶定位环接触,并且前内壳的定位边缘可以与前壳体的前端环 后外壳,用于将壳体轴向定位在主轴上。
    • 3. 发明授权
    • Pump shell for multistage metal working pump
    • 多级金属加工泵泵壳
    • US06439835B1
    • 2002-08-27
    • US09643860
    • 2000-08-23
    • Huan-Jan ChienPao-Yin OuShu-Fen KaoRong-Jau Liaw
    • Huan-Jan ChienPao-Yin OuShu-Fen KaoRong-Jau Liaw
    • F04D106
    • F04D29/628F04D1/063F04D29/4266
    • An improved pump shell for a multistage metal working pump includes a plurality of pump shell units housed in series within a hollow cylindrical casing and has the impellers driven by a shaft. Each pump shell unit has a inner shell which forms a holding end at one side and a sealing flange at another side. The holding end of one pump shell may align and engage precisely and easily with the sealing flange of an adjacent pump shell unit to form a smooth fluid passage from the inlet of the impeller through the inner shell so that pumping efficiency may be enhanced with less turbulence. The sealing flange, holding end and the casing also form a close annular compartment for holding a seal ring inside to provide effective sealing function. The pump shell may be produced by stamping at low cost.
    • 用于多级金属加工泵的改进的泵壳包括多个泵壳单元,其串联地容纳在中空圆柱形壳体内并具有由轴驱动的叶轮。 每个泵壳单元具有内壳,其在一侧形成保持端,在另一侧形成密封凸缘。 一个泵壳的保持端可以与相邻泵壳单元的密封凸缘精确且容易地对准和接合,以从叶轮的入口通过内壳形成平滑的流体通道,从而可以以较少的湍流增强泵送效率 。 密封法兰,保持端和外壳也形成一个密封的环形隔室,用于将密封环保持在内部,以提供有效的密封功能。 泵壳可以通过低成本的冲压制造。
    • 4. 发明授权
    • Floatable impeller for multistage metal working pump
    • 用于多级金属加工泵的浮动叶轮
    • US06398493B1
    • 2002-06-04
    • US09658443
    • 2000-09-08
    • Huan-Jan ChienPao-Yin OuShu-Fen KaoRong-Jau Liaw
    • Huan-Jan ChienPao-Yin OuShu-Fen KaoRong-Jau Liaw
    • F04D2960
    • F04D29/026F04D29/2222F05D2300/43
    • A floatable impeller for multistage metal working pump includes an impeller hub which has an impeller metal working member supporting a rear wall of the impeller and an impeller plastic member integrally formed with the impeller working member. The impeller plastic member is engaged with and driven by the pump shaft. The impeller has a front wall attached with an impeller thrust ring which has a thrust metal working member integrally formed with a thrust plastic member located in front of the impeller front wall. The thrust plastic member serves as a bearing when rotating against a metallic pump shell of an adjacent pump unit for reducing friction loss. The impeller hub has axial grooves formed in the inside wall. The thrust plastic member has radial slots formed in the sidewall. The grooves and slots may collect and discharge grits and sands carried by fluid and generated by friction for reducing friction, improving pumping efficiency and enhancing pump durability.
    • 一种用于多级金属加工泵的可浮动叶轮,包括:叶轮毂,其具有支撑叶轮后壁的叶轮金属加工部件和与叶轮工作部件一体形成的叶轮塑料部件。 叶轮塑料构件与泵轴接合并由泵轴驱动。 叶轮具有附接有叶轮推力环的前壁,该推进环具有与位于叶轮前壁前方的推力塑料构件一体形成的推力金属加工构件。 当相对于相邻的泵单元的金属泵壳旋转以减少摩擦损失时,推力塑料构件用作轴承。 叶轮毂在内壁形成有轴向槽。 推力塑料构件具有形成在侧壁中的径向槽。 槽和槽可以收集和排出流体携带的砂和砂,并通过摩擦产生,以减少摩擦,提高泵送效率和提高泵的耐久性。
    • 5. 发明授权
    • Integrally formed stamped sheet-metal blades having 3D structure
    • 整体成形的具有3D结构的冲压板金属片
    • US06634856B2
    • 2003-10-21
    • US10132217
    • 2002-04-26
    • Huan-Jan ChienYee-Ren ChenJing-Fuh ChenRong-Jau Liaw
    • Huan-Jan ChienYee-Ren ChenJing-Fuh ChenRong-Jau Liaw
    • F04D2944
    • F04D29/4266F04D29/2222F04D29/2233F04D29/281Y10S416/03
    • Integrally formed stamping sheet-metal blades having 3D structure for impeller or diffuser of a centrifugal pump or blower includes at least two integral forming blade or vane members. Each blade or vane member has a plurality of relatively short 3D blades or vanes extending radially outward and an engaging edge of selected shape. Two or more blade or vane members may be positioned and stacked together through mating the engaging edge and be spot welded to form a complete impeller or diffuser assembly. The blade or vane may be joined to form a completed smooth blade or vane, or may be spaced from each other to form a multi-row blade or vane assembly. The impeller and vane assembly may be made with less number of stamping molds and jigs. Production is less expensive. Positioning and assembly of the blade and vane is easier at a lower cost.
    • 具有用于离心泵或鼓风机的叶轮或扩散器的3D结构的整体形成的冲压片金属叶片包括至少两个整体形成的叶片或叶片构件。 每个叶片或叶片构件具有径向向外延伸的多个相对较短的3D叶片或叶片以及选定形状的接合边缘。 可以通过配合接合边缘将两个或更多个叶片或叶片构件定位和堆叠在一起,并进行点焊以形成完整的叶轮或扩散器组件。 叶片或叶片可以被连接以形成完整的平滑叶片或叶片,或者可以彼此间隔开以形成多排叶片或叶片组件。 叶轮和叶片组件可以用较少数量的冲压模具和夹具制成。 生产成本较低。 刀片和叶片的定位和组装更容易以更低的成本。
    • 7. 发明授权
    • Method for fabricating sheet metal pump casing
    • 钣金泵壳制造方法
    • US06537024B2
    • 2003-03-25
    • US09779403
    • 2001-02-08
    • Huan-Jan ChienKou-Yu TangChar-Lie Pen
    • Huan-Jan ChienKou-Yu TangChar-Lie Pen
    • F01D102
    • F04D29/4266Y10T29/49229
    • A method of fabricating a pump casing that includes an inlet, an outlet and a pump casing body. The pump casing body has a neck portion that defines a groove. The inlet is formed by stamping a sheet of metal to form a basin-shaped body, wherein the stamping the center portion of the basin-shaped body forms the inlet. Centering the basin-shaped body about a first axis and using one set of roller dies to roll form the basin-shaped body into a pump casing body. The pump casing body includes, starting from the inlet, an inlet end plate, a passage side plate, a motor end plate and a neck portion. Stamping the passage side plate forms the outlet. A set of roller dies include an internal roller die and a mating external roller die, wherein both are rotatably mounted along a second and third axes, respectively, wherein the first, second and third axes are parallel to but spaced from each other.
    • 一种制造泵壳体的方法,该泵壳体包括入口,出口和泵壳体。 泵壳体具有限定凹槽的颈部。 入口通过冲压金属板形成一个盆形体,其中冲压盆状体的中心部分形成入口。 将盆形体围绕第一轴线定心并使用一组辊模从辊状体转动成泵壳体。 泵壳体从入口开始包括入口端板,通道侧板,马达端板和颈部。 冲压通道侧板形成出口。 一组辊模具包括内部辊模和配合的外部辊模,其中两者分别沿着第二和第三轴可旋转地安装,其中第一,第二和第三轴彼此平行但彼此间隔开。
    • 8. 发明授权
    • Pump casing for sheet metal pump
    • 钣金泵泵壳
    • US06200090B1
    • 2001-03-13
    • US09289587
    • 1999-04-12
    • Huan-Jan ChienKuo-Yu TangMing-Chuan ShihCharlie Pen
    • Huan-Jan ChienKuo-Yu TangMing-Chuan ShihCharlie Pen
    • F04D2944
    • F04D29/4266F04D29/445Y10S415/915
    • An pump casing for a sheet metal pump includes a pump body made by pressing or roll forming a sheet metal, a reinforced member which includes a water guide unit and a flange unit separately made by casting or CNC machining and a seal ring engaged with the water guide unit. The pump body is a simple basin shape which can be produced with less stress concentration. The water guide unit may be made with a more precise volute for achieving better pumping efficiency. The reinforced member may increase structural strength of the pump casing for withstanding greater pumping pressure and external forces. The seal ring may be positioned precisely without dislocation because it engages with the water guide unit rather than the pump casing. The gap between the seal ring and the impeller may be kept small and constant, thus obtaining better pumping efficiency, lower operation noise and greater durability.
    • 用于钣金泵的泵壳体包括通过冲压或成形钣金制成的泵体,包括导水单元和通过铸造或CNC加工分别制造的凸缘单元的加强构件和与水接合的密封环 指导单位 泵体是一种简单的盆形,可以以较少的应力集中产生。 导水单元可以用更精确的蜗壳制成,以实现更好的泵送效率。 加强构件可以增加泵壳的结构强度,以承受更大的泵送压力和外力。 密封环可以精确地定位而不脱位,因为它与导水单元而不是泵壳接合。 密封环和叶轮之间的间隙可以保持较小且恒定,从而获得更好的泵送效率,更低的操作噪音和更大的耐久性。
    • 9. 发明授权
    • Structural improvement of a canned motor pump
    • 罐式电机泵的结构改进
    • US08597000B2
    • 2013-12-03
    • US12727026
    • 2010-03-18
    • Huan-Jan ChienChing-Chang WangChih-Kuan Shih
    • Huan-Jan ChienChing-Chang WangChih-Kuan Shih
    • F04B35/04
    • H02K5/128F04D13/0626F04D13/0633F04D13/064F04D29/046F04D29/0465F04D29/047H02K5/1677
    • The present invention discloses structure improvement of a canned motor pump, and more particular to a canned motor pump which is a plastic pump or a pump with plastic lining to transfer chemical liquids, wherein a support structure of a rotor system is improved to provide a high-rigidity cantilever stationary shaft to satisfy all kinds of requirements. The high-rigidity cantilever stationary shaft of the present invention comprises a metal shaft, which is locked tightly at a motor rear casing with a nut to compress a ceramic shaft sleeve and the motor rear casing to form a complex cantilever stationary shaft; a ceramic shaft sleeve, which provides hydraulic bearing and an axial thrust bearing functions; a motor rear casing, which enhances the stiffness of the stationary shaft for supporting rotation of the motor rotor; a containment shell, which provides a sealing function to the ceramic sleeve, in addition, the containment shell is provided with a central hole allowing the metal shaft to pass through, and an inner space is used to hold the motor rotor and to provide a sealing function to a motor stator winding.
    • 本发明公开了一种罐式电动机泵的结构改进,更具体地涉及一种作为塑料泵的密封电动泵或具有用于输送化学液体的塑料衬里的泵,其中转子系统的支撑结构被改进以提供高的 - 刚性悬臂固定轴满足各种要求。 本发明的高刚性悬臂固定轴包括金属轴,该金属轴紧紧地锁在马达后壳上,用螺母压紧陶瓷轴套和马达后壳,以形成复杂的悬臂固定轴; 陶瓷轴套,提供液压轴承和轴向推力轴承功能; 电动机后壳,其增强用于支撑电动机转子的旋转的固定轴的刚度; 容纳壳体,其对陶瓷套筒提供密封功能,此外,容纳壳体设置有允许金属轴穿过的中心孔,并且使用内部空间来保持电动机转子并提供密封 功能到电机定子绕组。
    • 10. 发明申请
    • Structural improvement of a canned motor pump
    • 罐式电机泵的结构改进
    • US20100272592A1
    • 2010-10-28
    • US12727026
    • 2010-03-18
    • Huan-Jan ChienChing-Chang WangChih-Kuan Shih
    • Huan-Jan ChienChing-Chang WangChih-Kuan Shih
    • F04D13/06
    • H02K5/128F04D13/0626F04D13/0633F04D13/064F04D29/046F04D29/0465F04D29/047H02K5/1677
    • The present invention discloses structure improvement of a canned motor pump, and more particular to a canned motor pump which is a plastic pump or a pump with plastic lining to transfer chemical liquids, wherein a support structure of a rotor system is improved to provide a high-rigidity cantilever stationary shaft to satisfy all kinds of requirements. The high-rigidity cantilever stationary shaft of the present invention comprises a metal shaft, which is locked tightly at a motor rear casing with a nut to compress a ceramic shaft sleeve and the motor rear casing to form a complex cantilever stationary shaft; a ceramic shaft sleeve, which provides hydraulic bearing and an axial thrust bearing functions; a motor rear casing, which enhances the stiffness of the stationary shaft for supporting rotation of the motor rotor; a containment shell, which provides a sealing function to the ceramic sleeve, in addition, the containment shell is provided with a central hole allowing the metal shaft to pass through, and an inner space is used to hold the motor rotor and to provide a sealing function to a motor stator winding.
    • 本发明公开了一种封闭式电动泵的结构改进,更具体地涉及一种作为塑料泵的密封电动泵或具有用于输送化学液体的塑料衬里的泵,其中转子系统的支撑结构被改进以提供高的 - 刚性悬臂固定轴满足各种要求。 本发明的高刚性悬臂固定轴包括金属轴,该金属轴紧紧地锁在马达后壳上,用螺母压紧陶瓷轴套和马达后壳,以形成复杂的悬臂固定轴; 陶瓷轴套,提供液压轴承和轴向推力轴承功能; 电动机后壳,其增强用于支撑电动机转子的旋转的固定轴的刚度; 容纳壳体,其对陶瓷套筒提供密封功能,此外,容纳壳体设置有允许金属轴穿过的中心孔,并且使用内部空间来保持电动机转子并提供密封 功能到电机定子绕组。