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131 条记录 (耗时 0.026 秒)

    Pump sealing apparatus
    2.
    发明授权
    Pump sealing apparatus 失效
    泵密封装置

    公开(公告)号：US4915579A

    公开(公告)日：1990-04-10

    申请号：US232626

    申请日：1988-08-15

    申请人： John D. Whittier ,  G. Michael Wilfley ,  Irvin F. Zagar

    发明人： John D. Whittier ,  G. Michael Wilfley ,  Irvin F. Zagar

    IPC分类号： F04D29/14 ,  F16J15/00 ,  F16J15/16

    CPC分类号： F16J15/164 ,  F04D29/146 ,  F16J15/008

    摘要： A centrifugal pump of the hydraulic sealing type has a novel and improved sealing apparatus for establishing a hydraulic seal and limiting the flow of liquid from a pump casing into a reservoir or seal housing at one end of the pump casing, and a valve assembly in the seal housing has a valve member normally urged into engagement with the seal housing to isolate liquid in the seal housing from the casing when the pump is not in operation. When the pump is activated and brought up to speed, centrifugal force-responsive pivot members are operative to move the valve member away from sealed engagement with the seal housing to establish fluid communication between the seal housing and pump casing. The force-responsive pivot members are fully enclosed so as to be completely isolated from the liquid in the seal housing and yet be capable of operating directly in opposition to the resilient or spring-loaded valve to move the valve away from sealed engagement with the seal housing. An expeller ring at one end of the seal housing limits liquid flow into the seal housing when the pump is stopped and removes any liquid in the reservoir into the pump casing when the pump is started.

    Blower for propelling a continuous gas stream with inflatable gas seals
    3.
    发明授权
    Blower for propelling a continuous gas stream with inflatable gas seals 失效
    鼓风机，用于充气气体密封件推进连续气流

    公开(公告)号：US4729724A

    公开(公告)日：1988-03-08

    申请号：US913500

    申请日：1986-09-29

    申请人： Hans-Heinrich Henning ,  Hartmut Lelickens ,  Herbert Schramm

    发明人： Hans-Heinrich Henning ,  Hartmut Lelickens ,  Herbert Schramm

    IPC分类号： F04D25/06 ,  F04D29/10 ,  F04D29/14 ,  H01S3/036 ,  H02K5/12 ,  F04B17/00 ,  F04B35/04

    CPC分类号： H01S3/036 ,  F04D25/06 ,  F04D29/104 ,  F04D29/143 ,  H02K5/12

    摘要： An apparatus for propelling a continuous gas mixture stream of an inert carrier gas and an aggressive doping gas, includes an electric motor having a motor housing filled with pure carrier gas and a shaft with a shaft extension, a radial blower having an impeller mounted directly on the shaft extension and a blower housing filled with the gas mixture and coupled to the motor housing, a gas ring of pure carrier gas being continuously fed and maintained in a ring space for sealing the blower housing against the motor housing in an operating state, and a hollow sealing ring being inflated with compressed gas for sealing the blower housing from the motor housing when the blower is stopped.

    摘要翻译： 用于推进惰性载气和侵蚀性掺杂气体的连续气体混合物流的装置包括具有填充有纯载体气体的马达壳体和具有轴延伸的轴的电动机，具有直接安装在叶轮上的叶轮的径向鼓风机 轴延伸部分和填充有气体混合物并联接到马达壳体的鼓风机壳体，将纯载体气体的气环连续地供给并保持在环形空间中，用于在运行状态下将鼓风机壳体抵靠马达壳体密封，以及 中空密封环用压缩气体充气，用于当鼓风机停止时将鼓风机壳体与电动机壳体密封。

    Multistage hydraulic machine
    4.
    发明授权
    Multistage hydraulic machine 失效
    多级液压机

    公开(公告)号：US4692090A

    公开(公告)日：1987-09-08

    申请号：US893464

    申请日：1986-08-08

    申请人： Shigekatsu Naka

    发明人： Shigekatsu Naka

    IPC分类号： F03B3/10 ,  F03B15/00 ,  F04D9/00 ,  F04D29/14

    CPC分类号： F03B3/106 ,  F03B15/00 ,  Y02E10/223 ,  Y02E10/226 ,  Y10S415/91

    摘要： A multistage hydraulic machine includes a water chamber in a bottom ring of the highest-pressure stage. The water chamber supplies cooling water to seal gaps between rotary and stationary elements through a communication passage connected to the water chamber.

    摘要翻译： 多级液压机包括在最高压级的底环中的水室。 水室通过连接到水室的连通通道提供冷却水以密封旋转和静止元件之间的间隙。

    Pump and filter unit
    5.
    发明授权
    Pump and filter unit 失效
    泵和过滤器单元

    公开(公告)号：US3736075A

    公开(公告)日：1973-05-29

    申请号：US3736075D

    申请日：1971-02-16

    申请人： SETHCO MANUF CORP

    发明人： OTTO W J

    IPC分类号： B01D35/26 ,  F04D13/02 ,  F04D29/14 ,  F04D29/70 ,  F04B35/04

    CPC分类号： B01D35/26 ,  F04D13/026 ,  F04D29/146 ,  F04D29/5806 ,  F04D29/708

    摘要： A pump impeller is rotated by a motor through magnetically coupled driving and driven magnets. The driven magnet rotates with the impeller and is located in a chamber defined by a cupshaped partition interposed between the two magnets. The impeller draws dirty liquid through the pump inlet and delivers it to a filter housing in which the liquid is filtered. Through a passageway located between the driven magnet chamber and the pump inlet, filtered liquid is introduced into the driven magnet chamber; the filtered liquid also flows through the passageway to the pump inlet through a restricted opening surrounding the shaft on which the impeller and driven magnet are mounted. The pump drive motor, pump body, and filter housing are all axially aligned.

    摘要翻译： 泵叶轮由电动机通过磁耦合的驱动和驱动磁体旋转。 从动磁体与叶轮一起旋转，并且位于由插入在两个磁体之间的杯形隔板限定的室中。 叶轮将脏液体通过泵入口吸入，并将其输送到过滤器壳体中，其中液体被过滤。 通过位于从动磁体室和泵入口之间的通道，过滤的液体被引入从动磁体室; 过滤的液体还通过围绕其上安装有叶轮和从动磁体的轴的限制开口流过通道到泵入口。 泵驱动电机，泵体和过滤器外壳都轴向对齐。

    Centrifugal pump and seal means therefore
    6.
    发明授权
    Centrifugal pump and seal means therefore 失效
    离心泵和密封件

    公开(公告)号：US3652180A

    公开(公告)日：1972-03-28

    申请号：US3652180D

    申请日：1970-07-13

    申请人： WILFLEY & SONS INC A

    发明人： CHOQUETTE HENRY T ,  GOBBLE LAWRENCE T ,  STUDEBAKER JAMES B ,  WHITTLER JOHN D

    IPC分类号： F04D29/14 ,  F16J15/00 ,  F01D11/00

    CPC分类号： F16J15/008 ,  F04D29/146

    摘要： The centrifugal pump has a mechanical seal means disposed between its casing and the shaft of the pump. The seal means has a first position in sealing engagement with a stationary seal ring housing under the influence of a spring when the pump is at rest, and a second position in unsealed relation with respect to the stationary seal housing when the pump reaches a predetermined operating speed. Expeller means are provided for effecting a hydraulic seal during operation of the pump and labyrinth means are provided between a rotary seal housing and the stationary seal housing for effecting a fail safe seal in the event there is severe mechanical seal failure. The mechanical seal means seals with pressure and is thus aided by the static case pressure.

    摘要翻译： 离心泵具有设置在其壳体和泵的轴之间的机械密封装置。 当泵处于静止状态时，密封装置具有在弹簧的影响下与静止密封环壳体密封接合的第一位置，以及当泵达到预定操作时相对于固定密封件壳体处于非密封关系的第二位置 速度。 在泵的操作期间提供了用于实现液压密封件的分离器装置，并且在旋转密封壳体和固定密封壳体之间设置迷宫装置，以在存在严重的机械密封故障的情况下实现故障安全密封。 机械密封装置用压力密封并因此受到静态压力的帮助。

    Shaft seal mechanism for open type fluid compressors
    7.
    发明授权
    Shaft seal mechanism for open type fluid compressors 失效
    用于开式流体压缩机的轴封密封机构

    公开(公告)号：US3560063A

    公开(公告)日：1971-02-02

    申请号：US3560063D

    申请日：1969-06-23

    申请人： CARRIER CORP

    发明人： MCCLUSKY MARTIN M ,  ENDRESS JAMES W

    IPC分类号： F04D29/14 ,  F04B39/00 ,  F16J15/34 ,  F25B31/00 ,  F16C1/24 ,  F16J15/16 ,  F16K41/00

    CPC分类号： F16J15/346 ,  F25B31/00 ,  Y10S277/929

    摘要： A SHAFT SEALING MECHANISM FOR OPEN TYPE FLUID COMPRESSORS, SUCH AS REFRIGERATION COMPRESSORS, IN WHICH THE OPERATING SHAFT EXTENDS OUTWARDLY THROUGH THE END WALL OF THE COMPRESSOR BEARING HOUSING. THE SEALING MECHANISM CONSISTS OF AN ASSEMBLY OF COMPONENTS MOUNTED IN THE END WALL OF THE BEARING HOUSING, THE MECHANISM INCLUDING RUNNING AND SHUT DOWN SEALS. A COMMON SPRING MEANS IS INTERPOSED BETWEEN THE MOVABLE ELEMENTS OF THE SEALS AND SERVES TO CONTINUOUSLY MAINTAIN THE RUNNING SEAL IN SEALING ENGAGEMENT AND TO URGE THE SHUT DOWN SEAL IN SEALING ENGAGEMENT. THE MOVABLE ELEMENT OF THE SHUT DOWN SEAL IS CARRIED BY A PISTON WHICH, BY THE APPLICATION THERETO HYDRAULIC PRESSURE, PREVENTS ENGAGEMENT OF THE SHUT DOWN SEAL ELEMENTS BUT, IN THE ABSENCE OF SUCH PRESSURE, THE SHUT DOWN SEAL IS ACTUATED TO SEALING ENGAGEMENT BY THE COMMON SPRING MEANS.