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    PUMP FOR PUMPING LIQUID AS WELL AS AN IMPELLER ASSEMBLY
    1.
    发明申请
    PUMP FOR PUMPING LIQUID AS WELL AS AN IMPELLER ASSEMBLY 审中-公开
    用于泵送液体的泵作为叶轮组件

    公开(公告)号：WO2015022601A1

    公开(公告)日：2015-02-19

    申请号：PCT/IB2014/063731

    申请日：2014-08-06

    Applicant: XYLEM IP MANAGEMENT S.À.R.L.

    Inventor： ANDERSSON, Patrik ,  RAMSTRÖM, Stefan

    IPC: F04D7/04 ,  F04D15/00 ,  F04D29/042 ,  F04D29/20

    CPC classification number: F04D7/045 ,  F04D3/00 ,  F04D15/0033 ,  F04D29/042 ,  F04D29/20 ,  F04D29/528

    Abstract: The invention relates to an impeller assembly and a pump for pumping a liquid, comprising a pump chamber and an impeller (4) arranged to rotate in said pump chamber, said impeller being suspended in a lower end (5) of an axially extending drive shaft unit (6), wherein said lower end (5) of the drive shaft unit (6) is received in a cylinder-shaped recess (10) of the impeller (4), wherein the impeller (4) is displaceable back and forth in the axial direction in relation to the drive shaft unit (6). The impeller further comprises an axially extending hole (21) that connects the cylinder-shaped recess (10) and the pump chamber and that the drive shaft unit (6) comprises an axially extending pin (22) that projects from said lower end (5) of the drive shaft unit (6), wherein said pin (22) is arranged in said hole (21).

    Abstract translation: 本发明涉及一种用于泵送液体的叶轮组件和泵，包括泵室和布置成在所述泵室中旋转的叶轮（4），所述叶轮悬挂在轴向延伸的驱动轴的下端（5）中 单元（6），其中驱动轴单元（6）的所述下端（5）被容纳在叶轮（4）的圆柱形凹部（10）中，其中叶轮（4）可前后移动 相对于驱动轴单元（6）的轴向。 叶轮还包括一个轴向延伸的孔（21），其连接圆柱形凹部（10）和泵室，并且驱动轴单元（6）包括从所述下端（5）突出的轴向延伸的销（22） ），其中所述销（22）布置在所述孔（21）中。

    A PUMP FOR PUMPING LIQUID AS WELL AS AN IMPELLER ASSEMBLY
    2.
    发明申请
    A PUMP FOR PUMPING LIQUID AS WELL AS AN IMPELLER ASSEMBLY 审中-公开
    用于泵送液体的泵作为叶轮组件

    公开(公告)号：WO2015022648A1

    公开(公告)日：2015-02-19

    申请号：PCT/IB2014/063891

    申请日：2014-08-13

    Applicant: XYLEM IP MANAGEMENT S.À.R.L.

    Inventor： ANDERSSON, Patrik

    IPC: F04D7/04 ,  F04D29/042 ,  F04D29/20

    CPC classification number: F04D7/04 ,  F04D29/042 ,  F04D29/20

    Abstract: The invention relates to an impeller assembly and a pump for pumping a liquid, comprising a pump chamber and an impeller (4) arranged to rotate in said pump chamber, said impeller being suspended in a lower end (5) of an axially extending drive shaft unit (6), wherein said lower end (5) of the drive shaft unit (6) is received in a cylinder-shaped recess (10) of the impeller (4), wherein the impeller (4) is displaceable back and forth in the axial direction in relation to the drive shaft unit (6) between a lower position and an upper position. The pump further comprises a snap-lock coupling arranged at the interface between the drive shaft unit (6) and the cylinder-shaped recess (10), wherein the snap-lock coupling is adapted to position the impeller (4) in the lower position when an applied force acting to displace the impeller (4) in direction away from the lower position is below a threshold value.

    Abstract translation: 本发明涉及一种用于泵送液体的叶轮组件和泵，包括泵室和布置成在所述泵室中旋转的叶轮（4），所述叶轮悬挂在轴向延伸的驱动轴的下端（5）中 单元（6），其中驱动轴单元（6）的所述下端（5）被容纳在叶轮（4）的圆柱形凹部（10）中，其中叶轮（4）可前后移动 相对于驱动轴单元（6）在下位置和上位置之间的轴向方向。 所述泵还包括布置在所述驱动轴单元（6）和所述圆柱形凹部（10）之间的界面处的卡扣联接器，其中所述卡扣联接器适于将所述叶轮（4）定位在所述下部位置 当用于使叶轮（4）远离下部位置的方向移动的施加力低于阈值时。

    COOLING ARRANGEMENT OF A PUMP INTENDED FOR PUMPING A LIQUID
    3.
    发明申请
    COOLING ARRANGEMENT OF A PUMP INTENDED FOR PUMPING A LIQUID 审中-公开
    用于泵送液体的泵的冷却布置

    公开(公告)号：WO2014090613A1

    公开(公告)日：2014-06-19

    申请号：PCT/EP2013/075217

    申请日：2013-12-02

    Applicant: XYLEM IP MANAGEMENT S.À.R.L.

    Inventor： BRATTHÄLL, Johan

    IPC: F04B17/03 ,  F04B53/08 ,  F04D29/40 ,  F04D29/58 ,  H02K5/20 ,  H02K9/14 ,  F04D13/06

    CPC classification number: F04D29/5806 ,  F04B17/03 ,  F04B53/08 ,  F04D13/06 ,  F04D13/083 ,  F04D29/046 ,  F04D29/086 ,  F04D29/426 ,  H02K5/10 ,  H02K5/20 ,  H02K5/225 ,  H02K9/22 ,  H02K11/33

    Abstract: The invention relates to a pump for pumping liquid, the pump comprising a drive unit (3) and a heat sink (23) connected to said drive unit (3), which heat sink is arranged to carry off heat that is generated in said drive unit during operation of the pump, the drive unit comprising a motor compartment (10) that in the radial direction is delimited by a motor casing (22) and that accommodate an electric motor (17) having a stator (16), a coupling compartment (11) that at least partly is delimited by a pump top casing (14) and that accommodate a power supply component (15), an upper partition (20) that is arranged between said motor compartment (20) and said coupling compartment (11). The pump is characterized in that the motor casing (22) comprises an outer jacket (24) that is connected to and that in the axial direction extends between the upper partition (20) and the heat sink (23), an inner stator housing (25) that extends between the stator (16) and the heat sink (23), and a gas filled gap (26) that in the radial direction separate the outer jacket (24) and the inner stator housing (25).

    Abstract translation: 本发明涉及一种用于泵送液体的泵，所述泵包括连接到所述驱动单元（3）的驱动单元（3）和散热器（23），所述散热器布置成传递在所述驱动器中产生的热量 驱动单元包括电动机室（10），其在径向方向上由电动机壳体（22）限定并且容纳具有定子（16）的电动机（17），联接室 （11），其至少部分地由泵顶壳体（14）限定并且容纳电源部件（15），布置在所述电动机室（20）和所述联接室（11）之间的上隔板（20） ）。 该泵的特征在于，马达壳体（22）包括外护套（24），外护套（24）在上分隔件（20）和散热器（23）之间连接并沿轴向方向延伸，内部定子壳体 25），其在定子（16）和散热器（23）之间延伸，以及气体填充间隙（26），其在径向方向上分离外护套（24）和内定子壳体（25）。

    METHOD FOR CONTROLLING A PUMP ARRANGEMENT
    5.
    发明申请
    METHOD FOR CONTROLLING A PUMP ARRANGEMENT 审中-公开

    公开(公告)号：US20170198698A1

    公开(公告)日：2017-07-13

    申请号：US15315418

    申请日：2015-06-01

    Applicant: XYLEM IP MANAGEMENT S.À.R.L.

    Inventor： Alexandera Fullemann

    IPC: F04D15/00 ,  F04D29/70 ,  F04D13/06 ,  F04D15/02

    Abstract: A method for controlling a pump arrangement upon clogging. The arrangement includes a pump and a control unit. The pump includes a motor, and the control unit drives the motor. The motor during operation is associated with an operational parameter from which the motor torque may be derived. The operational parameter has a normal value PN during normal operation of the motor in a first direction. The method includes the steps of driving the motor in a first direction by the control unit, stopping the motor if a real value P of the operational parameter exceeds a predetermined clogging limit PI, driving the motor in an opposite second direction a predetermined flushing time TR by the control unit, and stopping the motor if the absolute value of the real value P of the operational parameter during the flushing time TR exceeds the absolute value of a first unfastening limit PL1.

    COOLING ARRANGEMENT OF A PUMP INTENDED FOR PUMPING A LIQUID
    7.
    发明申请
    COOLING ARRANGEMENT OF A PUMP INTENDED FOR PUMPING A LIQUID 审中-公开
    用于泵送液体的泵的冷却布置

    公开(公告)号：US20150322966A1

    公开(公告)日：2015-11-12

    申请号：US14651515

    申请日：2013-12-02

    Applicant: Xylem IP Management S.à.r.l.

    Inventor： Johan BRATTHÄLL

    IPC: F04D29/58 ,  F04D29/046 ,  F04D29/42 ,  F04D29/08 ,  F04D1/00 ,  F04D13/06

    CPC classification number: F04D29/5806 ,  F04B17/03 ,  F04B53/08 ,  F04D13/06 ,  F04D13/083 ,  F04D29/046 ,  F04D29/086 ,  F04D29/426 ,  H02K5/10 ,  H02K5/20 ,  H02K5/225 ,  H02K9/22 ,  H02K11/33

    Abstract: A pump for pumping liquid, the pump including a drive unit and a heat sink arranged to carry off heat that is generated in the drive unit, the drive unit including a motor compartment that in the radial direction is delimited by a motor casing and that accommodates an electric motor having a stator, a coupling compartment that at least partly is delimited by a pump top casing and that accommodates a power supply component, an upper partition that is arranged between the motor compartment and the coupling compartment. The motor casing includes an outer jacket that is connected to and that in the axial direction extends between the upper partition and the heat sink, an inner stator housing that extends between the stator and the heat sink, and a gas filled gap that in the radial direction separates the outer jacket and the inner stator housing.

    Abstract translation: 一种用于泵送液体的泵，所述泵包括驱动单元和散热器，所述驱动单元和散热器布置成传递在所述驱动单元中产生的热量，所述驱动单元包括在径向方向上由马达壳体限定的马达室， 具有定子的电动机，至少部分地由泵顶壳体限定并且容纳电源部件的联接室，布置在电动机室和联接室之间的上隔板。 马达壳体包括外护套，其连接到轴向并且在上隔板和散热器之间延伸，在定子和散热器之间延伸的内定子外壳和在径向上的气体填充间隙 方向分离外护套和内定子外壳。

    Method for controlling a treatment apparatus arrangement, a treatment apparatus arrangement for a treatment plant as well as a treatment plant
    8.
    发明授权
    Method for controlling a treatment apparatus arrangement, a treatment apparatus arrangement for a treatment plant as well as a treatment plant 有权

    公开(公告)号：US10384963B2

    公开(公告)日：2019-08-20

    申请号：US15560767

    申请日：2016-03-21

    Applicant: XYLEM IP MANAGEMENT S.À.R.L.

    Inventor： Lars Uby

    IPC: C02F3/12 ,  C02F3/00 ,  C02F3/28 ,  B01F7/06 ,  B01F15/00

    Abstract: A method for controlling a treatment apparatus arrangement in a treatment plant, the treatment plant including a basin housing a liquid and solid matter. The operating condition in the basin is anoxic and/or anaerobic, and the treatment apparatus arrangement includes at least one mixer machine located in the basin and a variable speed drive operatively connected to the mixer machine. The variable speed drive operates the mixer machine alternately in a Normal Operation Mode, in which an operational speed of the mixer machine is at least the greater of a suspension speed and a process speed, and a Reduced Operation Mode, in which the operational speed of the mixer machine is below the suspension speed. Also described is a treatment apparatus arrangement and a treatment plant, respectively.

    METHOD FOR DETERMINING THE UV TRANSMITTANCE OF WATER
    9.
    发明申请
    METHOD FOR DETERMINING THE UV TRANSMITTANCE OF WATER 审中-公开

    公开(公告)号：US20180011019A1

    公开(公告)日：2018-01-11

    申请号：US15543800

    申请日：2016-01-15

    Applicant: XYLEM IP MANAGEMENT S.À.R.L.

    Inventor： Friedhelm KRÜGER ,  Uwe KANIGOWSKI

    IPC: G01N21/59 ,  G01N33/18 ,  C02F1/32

    CPC classification number: G01N21/59 ,  C02F1/325 ,  C02F2201/3227 ,  C02F2201/326 ,  C02F2303/04 ,  G01N21/33 ,  G01N33/18 ,  G01N2201/061

    Abstract: Method for determining the UV transmittance of water in a UV disinfection plant, through which water flows, wherein the UV disinfection plant has a plurality of radiator arrangements, each with a UV radiation source, a sleeve tube which surrounds the UV radiation source and which has an end face at an open end, and with a UV-C sensor which detects the UV radiation emerging from the sleeve tube without the influence of the water, and with at least one further UV sensor which is arranged at a distance from the sleeve tubes of the radiator arrangements, wherein the method includes the following steps: measuring the UV radiant power emerging from the sleeve tube; measuring an amount of the transmitted radiant power by the further UV sensor; and determining the transmittance of the water by an amount of the emerged radiant power and of the transmitted radiant power.

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