Double diaphragm pump
    1.
    发明公开
    Double diaphragm pump 失效
    双隔膜泵

    公开(公告)号:EP0942171A3

    公开(公告)日:2000-02-09

    申请号:EP99201777.2

    申请日:1997-04-11

    申请人: GRACO INC.

    摘要: An air operated double diaphragm pump 10 is provided with an air valve assembly which allows the valve cup 38 to move in a rectangular pattern which greatly reduces the cost and number of parts required for such an air valve. The main housing 12 of the pump 10 is mounted on a fluid base 20 to which the lines of fluid are attached. This allows removal of the pump for servicing by undoing several basic fasteners such as nuts and bolts 18 without requiring removal of the fluid fittings to the base 20. Thus, in the event of a pump malfunction, the pump may be easily replaced while the fluid fittings remain intact. Provision is also made for additional passages 54, 56 into each air chamber 44, 46 for operation via an externally operated solenoid valve. A one-piece check valve 26 construction is utilised with the part having a central sealing disk 26A having a plurality of radially axially extending guide members 26B extending therefrom wherein each of the guide members has an outer diameter sized to slidingly fit within a cylindrical cavity 28 and each of the guide members 26B having axially opposite the sealing disk 26A a plurality of spring loaded fingers 26D which serve to bias the check valve 26 into a closed position.

    摘要翻译: 气动双隔膜泵10设置有空气阀组件,其允许阀杯38以矩形图案移动,这大大降低了这种空气阀所需的部件的成本和数量。 泵10的主壳体12安装在流体管线附接到的流体基座20上。 这允许通过松开几个基本紧固件例如螺母和螺栓18来拆卸泵以进行维修,而不需要将流体配件移除到基部20.因此,在泵发生故障的情况下,可以容易地更换泵,而流体 配件保持完好。 还为每个气室44,46中的附加通道54,56进行设置,以通过外部操作的电磁阀进行操作。 采用单件式止回阀26构造,该部件具有中央密封盘26A,中央密封盘26A具有多个从其延伸的径向轴向延伸的导向构件26B,其中每个导向构件具有外径,其大小可滑动地配合在圆柱形空腔28内 并且每个导向构件26B具有与密封盘26A轴向相对的多个弹簧加载指状物26D,其用于将止回阀26偏压到关闭位置。

    Double diaphragm pump
    3.
    发明公开
    Double diaphragm pump 失效
    Doppelmembranpumpe

    公开(公告)号:EP0942171A2

    公开(公告)日:1999-09-15

    申请号:EP99201777.2

    申请日:1997-04-11

    申请人: GRACO INC.

    摘要: An air operated double diaphragm pump 10 is provided with an air valve assembly which allows the valve cup 38 to move in a rectangular pattern which greatly reduces the cost and number of parts required for such an air valve. The main housing 12 of the pump 10 is mounted on a fluid base 20 to which the lines of fluid are attached. This allows removal of the pump for servicing by undoing several basic fasteners such as nuts and bolts 18 without requiring removal of the fluid fittings to the base 20. Thus, in the event of a pump malfunction, the pump may be easily replaced while the fluid fittings remain intact. Provision is also made for additional passages 54, 56 into each air chamber 44, 46 for operation via an externally operated solenoid valve. A one-piece check valve 26 construction is utilised with the part having a central sealing disk 26A having a plurality of radially axially extending guide members 26B extending therefrom wherein each of the guide members has an outer diameter sized to slidingly fit within a cylindrical cavity 28 and each of the guide members 26B having axially opposite the sealing disk 26A a plurality of spring loaded fingers 26D which serve to bias the check valve 26 into a closed position.

    摘要翻译: 气动双隔膜泵10设置有空气阀组件,其允许阀杯38以矩形图案移动,这大大降低了这种空气阀所需的部件的成本和数量。 泵10的主壳体12安装在流体基座20上,流体基体20被连接到流体基座20上。 这允许通过拆卸几个基本紧固件(例如螺母和螺栓18)来拆卸泵来进行维修,而不需要将流体配件移除到基座20.因此,在泵故障的情况下,泵可以容易地更换,而流体 配件保持不变。 还提供了用于通过外部操作的电磁阀操作的每个空气室44,46中的附加通道54,56。 单件止回阀26结构被利用,该部件具有中心密封盘26A,其具有从其延伸的多个径向轴向延伸的引导构件26B,其中每个引导构件具有尺寸适于滑动配合在圆柱形空腔28内的外径 并且每个引导构件26B具有与密封盘26A轴向相对的多个弹簧加载的指状物26D,其用于将止回阀26偏压到关闭位置。

    Double diaphragm pump
    5.
    发明公开

    公开(公告)号:EP0801228A3

    公开(公告)日:1999-07-21

    申请号:EP97302476.3

    申请日:1997-04-11

    申请人: GRACO INC.

    IPC分类号: F04B9/123

    摘要: An air operated double diaphragm pump 10 is provided with an air valve assembly which allows the valve cup 38 to move in a rectangular pattern which greatly reduces the cost and number of parts required for such an air valve. The main housing 12 of the pump 10 is mounted on a fluid base 20 to which the lines of fluid are attached. This allows removal of the pump for servicing by undoing several basic fasteners such as nuts and bolts 18 without requiring removal of the fluid fittings to the base 20. Thus, in the event of a pump malfunction, the pump may be easily replaced while the fluid fittings remain intact. Provision is also made for additional passages 54, 56 into each air chamber 44, 46 for operation via an externally operated solenoid valve. A one-piece check valve 26 construction is utilised with the part having a central sealing disk 26A having a plurality of radially axially extending guide members 26B extending therefrom wherein each of the guide members has an outer diameter sized to slidingly fit within a cylindrical cavity 28 and each of the guide members 26B having axially opposite the sealing disk 26A a plurality of spring loaded fingers 26D which serve to bias the check valve 26 into a closed position.

    Double diaphragm pump
    7.
    发明公开

    公开(公告)号:EP0801228A2

    公开(公告)日:1997-10-15

    申请号:EP97302476.3

    申请日:1997-04-11

    申请人: GRACO INC.

    IPC分类号: F04B9/123

    摘要: An air operated double diaphragm pump 10 is provided with an air valve assembly which allows the valve cup 38 to move in a rectangular pattern which greatly reduces the cost and number of parts required for such an air valve. The main housing 12 of the pump 10 is mounted on a fluid base 20 to which the lines of fluid are attached. This allows removal of the pump for servicing by undoing several basic fasteners such as nuts and bolts 18 without requiring removal of the fluid fittings to the base 20. Thus, in the event of a pump malfunction, the pump may be easily replaced while the fluid fittings remain intact. Provision is also made for additional passages 54, 56 into each air chamber 44, 46 for operation via an externally operated solenoid valve. A one-piece check valve 26 construction is utilised with the part having a central sealing disk 26A having a plurality of radially axially extending guide members 26B extending therefrom wherein each of the guide members has an outer diameter sized to slidingly fit within a cylindrical cavity 28 and each of the guide members 26B having axially opposite the sealing disk 26A a plurality of spring loaded fingers 26D which serve to bias the check valve 26 into a closed position.