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    • 2. 发明授权
    • Batch-operated reverse osmosis system with manual energization
    • 具有手动通电功能的批量反渗透系统
    • US07892429B2
    • 2011-02-22
    • US12237448
    • 2008-09-25
    • Eli Oklejas, Jr.
    • Eli Oklejas, Jr.
    • B01D61/08B01D61/02B01D61/12B01D61/00
    • B01D61/025B01D61/08B01D2313/083B01D2313/18B01D2313/243B01D2315/14C02F1/441C02F2103/08Y02A20/131
    • A batch reverse osmosis system in fluid communication with a fluid reservoir and a method that includes a housing having an inlet valve in fluid communication with the fluid reservoir. The system also includes a pressure vessel having an elongated liner, a membrane disposed within a second end of the liner and having a membrane inlet, a membrane outlet disposed at the second end and a permeate outlet. The system includes a recirculation piston disposed within the first end that defines a fluid volume between the recirculation piston and the membrane adjacent to the membrane inlet. The housing and a plunger disposed within the housing define a chamber. The plunger is coupled to an actuator. The system includes a hollow pipe with a port that is coupled to the actuator. The hollow pipe communicates fluid between the chamber within the housing and the fluid volume within the pressure vessel.
    • 与流体储存器流体连通的批量反渗透系统和包括具有与流体储存器流体连通的入口阀的壳体的方法。 该系统还包括具有细长衬垫的压力容器,设置在衬套的第二端内的膜,并具有膜入口,设置在第二端的膜出口和渗透物出口。 该系统包括设置在第一端内的再循环活塞,其限定在再循环活塞和邻近膜入口的膜之间的流体体积。 壳体和设置在壳体内的柱塞限定了腔室。 柱塞联接到致动器。 该系统包括中空管,其具有联接到致动器的端口。 中空管将壳体内的腔室与压力容器内的流体体积连通。
    • 3. 发明授权
    • Hydraulic energy recovery device
    • 液压能量回收装置
    • US06345961B1
    • 2002-02-12
    • US09491769
    • 2000-01-26
    • Eli Oklejas, Jr.
    • Eli Oklejas, Jr.
    • F04B1700
    • B01D61/022B01D61/06F01D3/00F01D15/08F04D29/448F04D29/628
    • A hydraulic pressure booster includes a housing having a pump portion, a shaft portion and a turbine portion. The pump portion has a pump inlet and a pump outlet. The turbine portion has a turbine inlet and a turbine outlet. The turbine portion and pump portion are fluidically separated by the shaft portion. A shaft is supported by a bearing within the shaft support portion. The shaft extends between the pump portion and turbine portion and has a pump impeller and a turbine impeller located in its respective portion. The shaft defines an axis of the housing. A thrust load reducer is provided within the turbine portion to reduce axial thrust toward the thrust bearing.
    • 液压增压器包括具有泵部分,轴部分和涡轮部分的壳体。 泵部分具有泵入口和泵出口。 涡轮机部分具有涡轮机入口和涡轮机出口。 涡轮部分和泵部分由轴部分流体地分离。 轴由轴支撑部分内的轴承支撑。 轴在泵部分和涡轮部分之间延伸并且具有位于其各自部分中的泵叶轮和涡轮叶轮。 轴定义了外壳的轴线。 在涡轮机部分内设置有推力负载减小器,以减小朝向推力轴承的轴向推力。
    • 5. 发明授权
    • Power recovery turbine pump
    • 动力回收涡轮泵
    • US5049045A
    • 1991-09-17
    • US622358
    • 1990-12-04
    • Robert A. OklejasEli Oklejas, Jr.
    • Robert A. OklejasEli Oklejas, Jr.
    • B01D61/06F03B3/10
    • B01D61/06F03B3/106Y02E10/223
    • The invention is directed to an energy recovery pump turbine for use in industrial processes where a fluid is pumped at a high pressure to the process and at least a portion of the fluid is discharged from the process at a high pressure. A turbine is positioned to receive the high pressure discharge from the process. The turbine has an impeller positioned on a shaft and the discharged fluid engages the impeller and causes the impeller and shaft to rotate. A pump is position adjacent to the turbine to receive the fluid being pumped to the process. The pump has an impeller mounted on a shaft and the shaft of the pump is operatively connected to the shaft of the turbine. Rotation of the turbine shaft causes the impeller and the shaft of the pump to rotate whereby the pump assists in supplying the fluid under pressure to the process and to recover energy from the high pressure fluid discharged from the process.Also disclosed is a method for recovering energy from an industrial process where a fluid is pumped at a high pressure into the process and at least a portion of the fluid is discharged from the process at a high pressure. The high pressure discharged fluid is directed into the inlet of a turbine. The inlet of the turbine is caused to rotate by the high pressure discharged fluid. The turbine impeller is mounted on a rotatable shaft. An impeller of a pump that is mounted on the shaft is caused to rotate by the rotation of the shaft that is caused by the rotation of the turbine impeller. The fluid that is to be pumped to the process is directed to the inlet of the pump. The rotating impeller of the pump raises the pressure of the fluid supplied under high pressure to the process and recovers energy from the high pressure fluid discharged from the process.
    • 本发明涉及一种用于工业过程的能量回收泵涡轮机,其中将流体以高压泵送到该过程,并且至少一部分流体在高压下从该过程中排出。 涡轮被定位成接收来自该过程的高压排放。 涡轮机具有位于轴上的叶轮,排出的流体接合叶轮并使叶轮和轴旋转。 泵位于与涡轮机相邻的位置以接收被泵送到该过程的流体。 泵具有安装在轴上的叶轮,并且泵的轴可操作地连接到涡轮机的轴。 涡轮轴的旋转导致叶轮和泵的轴旋转,由此泵有助于将压力下的流体供给该过程并且从该过程排出的高压流体中回收能量。 还公开了一种用于从工业过程中回收能量的方法,其中将流体以高压泵送到该过程中,并且至少一部分流体在高压下从该过程中排出。 高压排出流体被引导到涡轮机的入口。 通过高压排出流体使涡轮机的入口旋转。 涡轮叶轮安装在可旋转的轴上。 通过由涡轮机叶轮的旋转引起的轴的旋转,使安装在轴上的泵的叶轮旋转。 要泵送到过程的流体被引导到泵的入口。 泵的旋转叶轮将在高压下供应的流体的压力提高到该过程,并从从该过程排出的高压流体中回收能量。
    • 8. 发明授权
    • Central pumping and energy recovery in a reverse osmosis system
    • 反渗透系统中央泵送和能量回收
    • US08529761B2
    • 2013-09-10
    • US12023194
    • 2008-01-31
    • Eli Oklejas, Jr.
    • Eli Oklejas, Jr.
    • B01D61/08B01D61/12B01D61/06
    • B01D61/12B01D61/022B01D61/06B01D61/08B01D61/10B01D2311/04B01D2311/08B01D2313/243B01D2313/246B01D2317/04C02F1/441B01D2311/16
    • A reverse osmosis system includes a plurality of feed pumps each having a feed pump input and a feed pump output, an input manifold in fluid communication with the feed pump inputs and a membrane feed manifold in fluid communication with the feed pump output. The system also includes a plurality of membrane chambers each in fluid communication with the membrane feed manifold and generating a permeate output and a brine output, each brine output in fluid communication with a brine manifold. The system further includes a plurality of booster devices each having a turbine portion with a turbine input in fluid communication with the brine manifold and a pump portion having a booster device pump input and a booster device pump output, each booster device pump output in fluid communication with the membrane feed manifold. The system includes a pump input manifold in fluid communication with the booster device pump input. The system also includes a medium pressure pump in fluid communication with the input manifold and the pump input manifold.
    • 反渗透系统包括多个进料泵,每个进料泵具有进料泵输入和进料泵输出,与进料泵输入流体连通的输入歧管和与进料泵输出流体连通的膜进料歧管。 该系统还包括多个膜室,每个膜室与膜进料歧管流体连通并产生渗透物输出和盐水输出,每个盐水输出与盐水歧管流体连通。 该系统还包括多个升压装置,每个升压装置具有涡轮部分,涡轮机部分具有与盐水歧管流体连通的涡轮机输入端,泵部分具有增压装置泵输入和升压装置泵输出,每个增压装置泵输出为流体连通 与膜进料歧管。 该系统包括与升压装置泵输入流体连通的泵输入歧管。 该系统还包括与输入歧管和泵输入歧管流体连通的中压泵。
    • 9. 发明授权
    • Thrust bearing for multistage centrifugal pumps
    • 多级离心泵推力轴承
    • US06309174B1
    • 2001-10-30
    • US09031446
    • 1998-02-26
    • Eli Oklejas, Jr.Andrew T. Rensink
    • Eli Oklejas, Jr.Andrew T. Rensink
    • F01D300
    • F16C32/0692F04D1/06F04D29/0416F05B2240/52
    • A pump has a thrust bearing has a casing with an inlet port and a discharge port. A shaft is positioned within the pump. A thrust bearing is coupled to the shaft. A pressure alterable bearing cavity is located within the casing. The pressure alterable cavity allows the axial thrust on the shaft from the impellers to be counteracted. The thrust bearing has an annular seal coupled with respect to the casing disc is coupled to the shaft and positioned adjacent the seal. The seal and the disc have a gap therebetween. A feedback pipe couples the bearing cavity to the inlet port. As the axial thrust acting on the shaft changes, the gap between the seal and the disc also changes. The changing of the gap changes the pressure within the bearing cavity. The disc and thus the shaft are repositioned in response to the change in the bearing cavity pressure change.
    • 泵具有推力轴承,具有具有入口和排出口的壳体。 轴位于泵内。 推力轴承联接到轴上。 压力可变轴承腔位于外壳内。 压力可变腔允许来自叶轮的轴上的轴向推力被抵消。 推力轴承具有相对于壳体盘耦合的环形密封件联接到轴并且邻近密封件定位。 密封件和盘之间具有间隙。 反馈管将轴承腔连接到入口。 当作用在轴上的轴向推力改变时,密封件和盘之间的间隙也发生变化。 间隙的变化会改变轴承腔内的压力。 响应于轴承腔压力变化的变化,盘和因此的轴被重新定位。
    • 10. 发明授权
    • Idler disk
    • 惰轮盘
    • US4830572A
    • 1989-05-16
    • US930729
    • 1986-11-13
    • Eli Oklejas, Jr.Robert Oklejas
    • Eli Oklejas, Jr.Robert Oklejas
    • F04D29/44F01D5/02F01D5/04F03B11/00F04D29/22F04D29/68
    • F04D29/688F01D5/048F04D29/167F04D29/2261F04D29/2266Y02E10/226Y02T50/673
    • An idler disk for reducing fluid drag forces in a machine having a rotating component is disclosed. An outer housing is provided for the machine and a cavity is defined in the outer housing. The cavity has opposed side walls. A rotatable component is positioned in the cavity and the rotatable component is spaced apart from the side walls of the cavity. At least one freely rotatable idler disk is positioned in the cavity and the idler disk is in spaced apart relationship with the rotatable component and the side walls of the cavity. The idler disk extends in the cavity along at least a portion of the length of the rotatable component. The idler disk is caused to rotate in the same direction as the rotatable component by the rotating fluid in the cavity. The fluid is caused to rotate by the rotation of the rotatable component. The rotating idler disk increases the speed of the fluid rotating adjacent the rotatable component and thereby reduces the fluid drag on the rotatable component. An outer seal means forms a seal between the idler disk and the rotatable component to control the flow of fluid between the idler disk and the rotatable component. The outer seal means is positioned adjacent the outer periphery of the rotatable component and the idler disk. The outer seal means acts to equalize the axial forces on the sides of the idler disk to maintain the idler disk in a desired equilibrium position where the idler disk is maintained in spaced apart relationship from the rotatable component and the side walls of the cavity.
    • 公开了一种用于在具有旋转部件的机器中减少流体阻力的惰轮。 为机器设置外壳,在外壳中限定空腔。 空腔具有相对的侧壁。 可旋转部件定位在空腔中,并且可旋转部件与空腔的侧壁间隔开。 至少一个可自由旋转的惰轮盘定位在空腔中,并且惰轮盘与空腔的可旋转部件和侧壁间隔开。 惰轮沿着可旋转部件的长度的至少一部分在空腔中延伸。 通过空腔中的旋转流体使惰轮盘沿与可旋转部件相同的方向旋转。 通过旋转部件的旋转使流体旋转。 旋转的惰轮盘增加了与可旋转部件相邻旋转的流体的速度,从而减少了可旋转部件上的流体阻力。 外密封装置在惰轮和可旋转部件之间形成密封,以控制惰轮和可转动部件之间的流体流动。 外密封装置位于可旋转部件和惰轮盘的外周边附近。 外部密封装置用于使空转盘的侧面上的轴向力平衡,以将惰轮盘保持在期望的平衡位置,在该平衡位置,空转盘与空腔的可旋转部件和侧壁保持间隔开的关系。