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1. 发明公开

EP3901465A1 PROCESS FLUID LUBRICATED PUMP 审中-实审
公开(公告)号：EP3901465A1
公开(公告)日：2021-10-27
申请号：EP21163248.4
申请日：2021-03-17
申请人： Sulzer Management AG
发明人： De Raeve, Karel , Gassmann, Simon , Welschinger, Thomas , Trottmann, Benedikt
IPC分类号： F04D1/06 , F04D13/08 , F04D29/041 , F04D29/047 , F16C17/02 , F16C17/08 , F16C17/14 , F16C32/06
摘要： A process fluid lubricated pump is proposed, for conveying a process fluid, having a common housing (2), a pump unit (3) arranged in the common housing, and a drive unit (4) arranged in the common housing (2), wherein the common housing (2) comprises an inlet (21) and an outlet (22) for the process fluid, wherein the pump unit (3) comprises a pump shaft (5) extending from a drive end (51) to a non-drive end (52) of the pump shaft (5) and configured for rotating about an axial direction (A), the pump unit (3) further comprising at least a first stage impeller (31) fixedly mounted on the pump shaft (5), and a last stage impeller (33) fixedly mounted on the pump shaft (5), and optionally at least one intermediate stage impeller (32) fixedly mounted on the pump shaft (5) between the first stage impeller (31) and the last stage impeller (33) wherein the drive unit (4) is configured to exert a torque on the drive end (51) of the pump shaft (5) for driving the rotation of the pump shaft (5), wherein a balance drum (7) is fixedly connected to the pump shaft (5) between the pump unit (3) and the drive end (51) of the pump shaft (5), the balance drum (7) defining a drum front side (71) facing the pump unit (3) and a drum back side (72), wherein a relief passage (73) is provided between the balance drum (7) and a first stationary part (26) configured to be stationary with respect to the common housing (2), the relief passage (73) extending from the drum front side (71) to the drum back side (72), wherein the pump shaft (5) is radially supported in a non-contacting manner during operation of the pump, wherein the pump unit (3) comprises at most one hydrodynamic radial pump bearing (54) for supporting the pump shaft (5), wherein the at most one radial pump bearing (54) is arranged at the non-drive end (52) or at the drive end (51) of the pump shaft (5).

2. 发明公开

EP3771828A1 MULTISTAGE PUMP AND SUBSEA PUMPING ARRANGEMENT 审中-实审
公开(公告)号：EP3771828A1
公开(公告)日：2021-02-03
申请号：EP20186675.3
申请日：2020-07-20
申请人： Sulzer Management AG
发明人： De Raeve, Karel De , Gassmann, Simon , Kus, Bartosz , Felix, Thomas
IPC分类号： F04D7/04 , E21B43/12 , E21B43/38 , F04D13/08 , F04D31/00 , F04D1/06 , F04D29/18 , F04D17/12 , F04D25/06 , F04D25/16
摘要： A multistage pump is proposed configured for installation on a sea ground, having a common housing (2), a pump unit (3) arranged in the common housing, and a drive unit (4) arranged in the common housing (2), wherein the common housing (2) comprises a pump inlet (21) and a pump outlet (22), wherein the pump unit (3) comprises a plurality of impellers (31, 32, 33) for conveying a compressible fluid from the pump inlet (21) to the pump outlet (22), and a pump shaft (5), on which each impeller (31, 32, 33) is mounted, wherein each impeller (31, 32, 33) is configured as a radial or semi-axial impeller (31, 32, 33), wherein the drive unit (4) comprises a drive shaft (42) for driving the pump shaft (5), and an electric motor (41) for rotating the drive shaft (42) about an axial direction (A), wherein a coupling (8) is provided for coupling the drive shaft (42) to the pump shaft (5), wherein the pump unit (3) is configured for conveying the fluid being in the dense phase at the pump outlet (22), and wherein at least two impellers (31, 32, 33) of the plurality of impellers (31, 32, 33) have a different specific speed. Furthermore a subsea pumping arrangement is proposed.

3. 发明公开

EP3730796A1 CENTRIFUGAL PUMP 审中-公开
公开(公告)号：EP3730796A1
公开(公告)日：2020-10-28
申请号：EP20161393.2
申请日：2020-03-06
申请人： Sulzer Management AG
发明人： Felix, Thomas , Bourne, Matthew , Gassmann, Simon , De Raeve, Karel De
IPC分类号： F04D1/06 , F04D13/02 , F04D13/08 , F04D29/041 , F04D29/047 , F04D29/58
摘要： A centrifugal pump for conveying a process fluid is proposed, having a pump unit (3), a drive unit for driving the pump unit, a pump inlet (21) for receiving the process fluid and a pump outlet (22) for discharging the process fluid, wherein the pump unit (3) comprises at least one impeller (31) for conveying the process fluid from the pump inlet (21) to the pump outlet (22), and a pump shaft (5), on which each impeller (31) is mounted, wherein the drive unit (4) comprises a drive shaft (42) for driving the pump shaft (5), and an electric motor (41) for rotating the drive shaft (42) about an axial direction (A), wherein a plurality of bearings (43, 44, 45, 53, 54, 55) is provided for supporting the pump shaft (5) and the drive shaft (42), wherein a hydrodynamic coupling (8) having a casing (81) is provided for hydrodynamically coupling the drive shaft (42) to the pump shaft (5) by means of a transmission fluid, and wherein at least one of the plurality of bearings (43, 44, 45, 53, 54, 55) is arranged in the casing (81) of the hydrodynamic coupling (8).

4. 发明公开

EP3730795A1 PROCESS FLUID LUBRICATED PUMP 审中-公开
公开(公告)号：EP3730795A1
公开(公告)日：2020-10-28
申请号：EP20161391.6
申请日：2020-03-06
申请人： Sulzer Management AG
发明人： Felix, Thomas , Bourne, Matthew , Gassmann, Simon , De Raeve, Karel De
IPC分类号： F04D1/06 , F04D13/02 , F04D13/08 , F04D29/58 , F04D29/041 , F04D29/047
摘要： A process fluid lubricated pump for conveying a process fluid is proposed, having a common housing (2), a pump unit (3) arranged in the common housing, and a drive unit (4) arranged in the common housing (2), wherein the common housing (2) comprises a pump inlet (21) and a pump outlet (22) for the process fluid, wherein the pump unit (3) comprises at least one impeller (31) for conveying the process fluid from the pump inlet (21) to the pump outlet (22), and a pump shaft (5), on which each impeller (31) is mounted, wherein the drive unit (4) comprises a drive shaft (42) for driving the pump shaft (5), and an electric motor (41) for rotating the drive shaft (42) about an axial direction (A), and wherein a hydrodynamic coupling (8) is provided for hydrodynamically coupling the drive shaft (42) to the pump shaft (5) by means of a transmission fluid. The hydrodynamic coupling (8) is configured to receive the process fluid as the transmission fluid.

5. 发明公开

EP3121450A1 PUMPE ZUM FÖRDERN EINES FLUIDS MIT VARIIERENDER VISKOSITÄT 失效
标题翻译： PUMPE ZUMFÖRDERNEINES FLUIDS MIT VARISERENDERVISKOSITÄT
公开(公告)号：EP3121450A1
公开(公告)日：2017-01-25
申请号：EP16173766.3
申请日：2016-06-09
申请人： Sulzer Management AG
发明人： Felix, Thomas , Gassmann, Simon , Welschinger, Thomas
IPC分类号： F04D29/041 , F04D1/06 , F04D7/04 , F04D29/051 , F04D31/00 , F04D13/08
摘要： Es wird eine Pumpe zum Fördern eines Fluids mit variierender Viskosität vorgeschlagen, welche ein Gehäuse (2) mit einem Einlass (3) und einem Auslass (4) für das zu fördernde Fluid aufweist, sowie mindestens ein Laufrad (7) zum Fördern des Fluids vom Einlass (3) zum Auslass (4), welches auf einer drehbaren Welle (5) angeordnet ist, sowie einen Entlastungskolben (6) zur Axialschubentlastung, wobei der Entlastungskolben (6) einen drehfest mit der Welle (5) verbundenen Rotor (61) mit einer Hochdruckseite (65) und mit einer Niederdruckseite (64) umfasst, einen bezüglich des Gehäuses (2) stationären Stator (62), und einen Entlastungskanal (63), der sich zwischen dem Rotor (61) und dem Stator (62) von der Hochdruckseite (65) bis zur Niederdruckseite (64) des Rotors (61) erstreckt und wobei ferner ein Rückführkanal (8) vorgesehen ist, welcher die Niederdruckseite (63) des Rotors (61) mit dem Einlass (3) verbindet, wobei mindestens ein Zwischenkanal (9, 9') vorgesehen ist, welcher zwischen der Hochdruckseite (65) und der Niederdruckseite (64) des Rotors (61) in den Entlastungskanal (63) einmündet, und wobei ein Sperrorgan (10, 10') zur Beeinflussung der Strömung durch den Zwischenkanal (9, 9') vorgesehen ist.
摘要翻译：泵包括具有入口和出口的壳体，所述入口和出口构造成输送流体;叶轮，构造成将流体从入口传送到出口，叶轮布置在可旋转的轴上;以及平衡鼓，构造成减轻轴向推力。平衡鼓包括转子固定地连接到轴的转子，转子具有高低压侧，相对于壳体静止的定子，在转子和定子之间从高压侧延伸到转子的低压侧，将转子的低压侧连接到入口的返回通道。中间通道通向转子的高压侧和低压侧之间的释放通道。阻挡构件被构造成影响通过中间通道的流动。

6. 发明授权

EP3121450B1 PUMPE ZUM FÖRDERN EINES FLUIDS MIT VARIIERENDER VISKOSITÄT 失效
公开(公告)号：EP3121450B1
公开(公告)日：2020-09-02
申请号：EP16173766.3
申请日：2016-06-09
申请人： Sulzer Management AG
发明人： Felix, Thomas , Gassmann, Simon , Welschinger, Thomas
IPC分类号： F04D29/041 , F04D1/06 , F04D7/04 , F04D29/051 , F04D31/00 , F04D13/08

7. 发明公开

EP3832140A1 METHOD FOR OPERATING A PUMP, IN PARTICULAR A MULTIPHASE PUMP 有权
公开(公告)号：EP3832140A1
公开(公告)日：2021-06-09
申请号：EP20205453.2
申请日：2020-11-03
申请人： Sulzer Management AG
发明人： Gassmann, Simon , Felix, Thomas , De Raeve, Karel
IPC分类号： F04D25/06 , F04D27/02 , F04D31/00 , F04D27/00
摘要： A method for operating a pump (1), in particular for operating a multiphase pump (1), for conveying a fluid from a low-pressure side to a high-pressure side of the pump (1) is provided, wherein a pump vibration changes with a rate of change (DZ) and a current rate of change of the pump vibration is determined and is compared with a limit (501) for the rate of change and / or a current vibration of the pump is determined and is compared with a vibration amplitude limit (502), wherein the vibration limit (501) and / or the vibration amplitude limit (502) is stored in a surge control unit (4), and a control signal is provided when the current rate of change reaches the limit (501) and /or a current vibrating reaches the vibration amplitude limit (502), and a control variable of the pump (1) is changed by the control signal, such that the vibration (Z) is reduced and thus an unstable operating state of the pump (1) is avoided. A corresponding pump (1), in particular a multiphase pump (1), is furthermore proposed. With the method according to the invention the operating envelope of the pump can be enlarged, in particular for wide range of process parameters.

8. 发明公开

EP3808984A1 PROCESS FLUID LUBRICATED PUMP AND SEAWATER INJECTION SYSTEM 有权
公开(公告)号：EP3808984A1
公开(公告)日：2021-04-21
申请号：EP19203397.5
申请日：2019-10-15
申请人： Sulzer Management AG
发明人： Bourne, Matthew , Felix, Thomas , De Raeve, Karel , Gassmann, Simon
IPC分类号： F04D13/08 , F04D13/12 , F04D29/041 , F04D29/06 , F04D29/58
摘要： A process fluid lubricated pump is proposed, having a common housing (2), a pump unit (3) arranged in the common housing, and a drive unit (4) arranged in the common housing (2), wherein the common housing (2) comprises a low pressure inlet (21) and a high pressure outlet (22) for the process fluid. The pump unit (3) comprises a pump shaft (5) extending from a drive end (51) to a non-drive end (52) of the pump shaft (5), and a first pump section (31) having a first set of impellers (311) fixedly mounted on the pump shaft (5). The drive unit (4) is configured for driving the rotation of the pump shaft (5). A first balance drum (7) is fixedly connected to the pump shaft (5) between the pump unit (3) and the drive end (51) and defining a first front side (71) facing the pump unit (3) and a first back side (72). A first relief passage (73) is provided between the first balance drum (7) and a first stationary part (26), the first relief passage (73) extending from the first front side (71) to the first back side (72). A second balance drum (8) is fixedly connected to the pump shaft (5) between the pump unit (3) and the non-drive end (52), the second balance drum (8) defining a second front side (81) facing the pump unit (3) and a second back side (82). A second relief passage (83) is provided between the second balance drum (8) and a second stationary part (27), the second relief passage (83) extending from the second front side (81) to the second back side (82). A balance line (9) is provided connecting the first back side (72) and the second back side (82).

9. 发明公开

EP3771828A8 MULTISTAGE PUMP AND SUBSEA PUMPING ARRANGEMENT 审中-实审
公开(公告)号：EP3771828A8
公开(公告)日：2021-03-24
申请号：EP20186675.3
申请日：2020-07-20
申请人： Sulzer Management AG
发明人： De Raeve, Karel , Gassmann, Simon , Kus, Bartosz , Felix, Thomas
IPC分类号： F04D7/04 , E21B43/12 , E21B43/38 , F04D13/08 , F04D31/00 , F04D1/06 , F04D29/18 , F04D17/12 , F04D25/06 , F04D25/16
摘要： A multistage pump is proposed configured for installation on a sea ground, having a common housing (2), a pump unit (3) arranged in the common housing, and a drive unit (4) arranged in the common housing (2), wherein the common housing (2) comprises a pump inlet (21) and a pump outlet (22), wherein the pump unit (3) comprises a plurality of impellers (31, 32, 33) for conveying a compressible fluid from the pump inlet (21) to the pump outlet (22), and a pump shaft (5), on which each impeller (31, 32, 33) is mounted, wherein each impeller (31, 32, 33) is configured as a radial or semi-axial impeller (31, 32, 33), wherein the drive unit (4) comprises a drive shaft (42) for driving the pump shaft (5), and an electric motor (41) for rotating the drive shaft (42) about an axial direction (A), wherein a coupling (8) is provided for coupling the drive shaft (42) to the pump shaft (5), wherein the pump unit (3) is configured for conveying the fluid being in the dense phase at the pump outlet (22), and wherein at least two impellers (31, 32, 33) of the plurality of impellers (31, 32, 33) have a different specific speed. Furthermore a subsea pumping arrangement is proposed.

10. 发明公开

EP3686436A1 MULTISTAGE PUMP AND SUBSEA PUMPING ARRANGEMENT 审中-公开
公开(公告)号：EP3686436A1
公开(公告)日：2020-07-29
申请号：EP19189409.6
申请日：2019-07-31
申请人： Sulzer Management AG
发明人： De Raeve, Karel , Gassmann, Simon , Kus, Bartosz , Felix, Thomas
IPC分类号： F04D17/12 , F04D25/16 , F04D31/00 , F04D25/06 , F04D29/051 , F04D7/02
摘要： A multistage pump is proposed configured for installation on a sea ground, having a common housing (2), a pump unit (3) arranged in the common housing, and a drive unit (4) arranged in the common housing (2), wherein the pump unit (3) is configured for conveying a compressible fluid having a specific gravity of at most 0.9, wherein the common housing (2) comprises a pump inlet (21) and a pump outlet (22), wherein the pump unit (3) comprises a plurality of impellers (31, 32, 33) for conveying the compressible fluid from the pump inlet (21) to the pump outlet (22), and a pump shaft (5), on which each impeller (31, 32, 33) is mounted, wherein each impeller (31, 32, 33) is configured as a radial or semi-axial impeller (31, 32, 33), wherein the drive unit (4) comprises a drive shaft (42) for driving the pump shaft (5), and an electric motor (41) for rotating the drive shaft (42) about an axial direction (A), and wherein a coupling (8) is provided for coupling the drive shaft (42) to the pump shaft (5). Furthermore a subsea pumping arrangement is proposed.

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